diff --git a/sdk/mediaservices/arm-mediaservices/package.json b/sdk/mediaservices/arm-mediaservices/package.json
index 1c721980ed13..c56975395de0 100644
--- a/sdk/mediaservices/arm-mediaservices/package.json
+++ b/sdk/mediaservices/arm-mediaservices/package.json
@@ -5,7 +5,7 @@
   "version": "6.0.0",
   "dependencies": {
     "@azure/ms-rest-azure-js": "^1.3.2",
-    "@azure/ms-rest-js": "^1.6.0",
+    "@azure/ms-rest-js": "^1.8.1",
     "tslib": "^1.9.3"
   },
   "keywords": [
@@ -26,7 +26,7 @@
     "rollup-plugin-sourcemaps": "^0.4.2",
     "uglify-js": "^3.4.9"
   },
-  "homepage": "https://github.com/azure/azure-sdk-for-js/tree/master/sdk/mediaservices/arm-mediaservices",
+  "homepage": "https://github.com/azure/azure-sdk-for-js",
   "repository": {
     "type": "git",
     "url": "https://github.com/azure/azure-sdk-for-js.git"
diff --git a/sdk/mediaservices/arm-mediaservices/src/azureMediaServicesContext.ts b/sdk/mediaservices/arm-mediaservices/src/azureMediaServicesContext.ts
index 2d0bb27a766d..b10132d15adb 100644
--- a/sdk/mediaservices/arm-mediaservices/src/azureMediaServicesContext.ts
+++ b/sdk/mediaservices/arm-mediaservices/src/azureMediaServicesContext.ts
@@ -18,7 +18,6 @@ const packageVersion = "6.0.0";
 export class AzureMediaServicesContext extends msRestAzure.AzureServiceClient {
   credentials: msRest.ServiceClientCredentials;
   subscriptionId: string;
-  apiVersion?: string;
 
   /**
    * Initializes a new instance of the AzureMediaServices class.
@@ -44,7 +43,6 @@ export class AzureMediaServicesContext extends msRestAzure.AzureServiceClient {
 
     super(credentials, options);
 
-    this.apiVersion = '2018-07-01';
     this.acceptLanguage = 'en-US';
     this.longRunningOperationRetryTimeout = 30;
     this.baseUri = options.baseUri || this.baseUri || "https://management.azure.com";
diff --git a/sdk/mediaservices/arm-mediaservices/src/models/accountFiltersMappers.ts b/sdk/mediaservices/arm-mediaservices/src/models/accountFiltersMappers.ts
index 6dbe0ae0f69e..beb7eb33f3fc 100644
--- a/sdk/mediaservices/arm-mediaservices/src/models/accountFiltersMappers.ts
+++ b/sdk/mediaservices/arm-mediaservices/src/models/accountFiltersMappers.ts
@@ -9,6 +9,7 @@
 export {
   discriminators,
   AacAudio,
+  AbsoluteClipTime,
   AccountFilter,
   AccountFilterCollection,
   AkamaiAccessControl,
@@ -23,6 +24,7 @@ export {
   BuiltInStandardEncoderPreset,
   CbcsDrmConfiguration,
   CencDrmConfiguration,
+  ClipTime,
   Codec,
   CommonEncryptionCbcs,
   CommonEncryptionCenc,
@@ -88,8 +90,11 @@ export {
   LiveEventEndpoint,
   LiveEventInput,
   LiveEventInputAccessControl,
+  LiveEventInputTrackSelection,
+  LiveEventOutputTranscriptionTrack,
   LiveEventPreview,
   LiveEventPreviewAccessControl,
+  LiveEventTranscription,
   LiveOutput,
   MediaService,
   Mp4Format,
diff --git a/sdk/mediaservices/arm-mediaservices/src/models/assetFiltersMappers.ts b/sdk/mediaservices/arm-mediaservices/src/models/assetFiltersMappers.ts
index cf252d94da64..72ae418265b4 100644
--- a/sdk/mediaservices/arm-mediaservices/src/models/assetFiltersMappers.ts
+++ b/sdk/mediaservices/arm-mediaservices/src/models/assetFiltersMappers.ts
@@ -9,6 +9,7 @@
 export {
   discriminators,
   AacAudio,
+  AbsoluteClipTime,
   AccountFilter,
   AkamaiAccessControl,
   AkamaiSignatureHeaderAuthenticationKey,
@@ -23,6 +24,7 @@ export {
   BuiltInStandardEncoderPreset,
   CbcsDrmConfiguration,
   CencDrmConfiguration,
+  ClipTime,
   Codec,
   CommonEncryptionCbcs,
   CommonEncryptionCenc,
@@ -88,8 +90,11 @@ export {
   LiveEventEndpoint,
   LiveEventInput,
   LiveEventInputAccessControl,
+  LiveEventInputTrackSelection,
+  LiveEventOutputTranscriptionTrack,
   LiveEventPreview,
   LiveEventPreviewAccessControl,
+  LiveEventTranscription,
   LiveOutput,
   MediaService,
   Mp4Format,
diff --git a/sdk/mediaservices/arm-mediaservices/src/models/assetsMappers.ts b/sdk/mediaservices/arm-mediaservices/src/models/assetsMappers.ts
index 0666212b559c..44255cc128b3 100644
--- a/sdk/mediaservices/arm-mediaservices/src/models/assetsMappers.ts
+++ b/sdk/mediaservices/arm-mediaservices/src/models/assetsMappers.ts
@@ -9,6 +9,7 @@
 export {
   discriminators,
   AacAudio,
+  AbsoluteClipTime,
   AccountFilter,
   AkamaiAccessControl,
   AkamaiSignatureHeaderAuthenticationKey,
@@ -26,6 +27,7 @@ export {
   BuiltInStandardEncoderPreset,
   CbcsDrmConfiguration,
   CencDrmConfiguration,
+  ClipTime,
   Codec,
   CommonEncryptionCbcs,
   CommonEncryptionCenc,
@@ -93,8 +95,11 @@ export {
   LiveEventEndpoint,
   LiveEventInput,
   LiveEventInputAccessControl,
+  LiveEventInputTrackSelection,
+  LiveEventOutputTranscriptionTrack,
   LiveEventPreview,
   LiveEventPreviewAccessControl,
+  LiveEventTranscription,
   LiveOutput,
   MediaService,
   Mp4Format,
diff --git a/sdk/mediaservices/arm-mediaservices/src/models/contentKeyPoliciesMappers.ts b/sdk/mediaservices/arm-mediaservices/src/models/contentKeyPoliciesMappers.ts
index 91bac7b94fbb..33340fb19f3e 100644
--- a/sdk/mediaservices/arm-mediaservices/src/models/contentKeyPoliciesMappers.ts
+++ b/sdk/mediaservices/arm-mediaservices/src/models/contentKeyPoliciesMappers.ts
@@ -9,6 +9,7 @@
 export {
   discriminators,
   AacAudio,
+  AbsoluteClipTime,
   AccountFilter,
   AkamaiAccessControl,
   AkamaiSignatureHeaderAuthenticationKey,
@@ -22,6 +23,7 @@ export {
   BuiltInStandardEncoderPreset,
   CbcsDrmConfiguration,
   CencDrmConfiguration,
+  ClipTime,
   Codec,
   CommonEncryptionCbcs,
   CommonEncryptionCenc,
@@ -89,8 +91,11 @@ export {
   LiveEventEndpoint,
   LiveEventInput,
   LiveEventInputAccessControl,
+  LiveEventInputTrackSelection,
+  LiveEventOutputTranscriptionTrack,
   LiveEventPreview,
   LiveEventPreviewAccessControl,
+  LiveEventTranscription,
   LiveOutput,
   MediaService,
   Mp4Format,
diff --git a/sdk/mediaservices/arm-mediaservices/src/models/index.ts b/sdk/mediaservices/arm-mediaservices/src/models/index.ts
index fe11944c0e48..5e3a6f68a249 100644
--- a/sdk/mediaservices/arm-mediaservices/src/models/index.ts
+++ b/sdk/mediaservices/arm-mediaservices/src/models/index.ts
@@ -36,7 +36,7 @@ export interface PresentationTimeRange {
    */
   timescale?: number;
   /**
-   * The indicator of forcing exsiting of end time stamp.
+   * The indicator of forcing existing of end time stamp.
    */
   forceEndTimestamp?: boolean;
 }
@@ -51,7 +51,7 @@ export interface FilterTrackPropertyCondition {
    */
   property: FilterTrackPropertyType;
   /**
-   * The track proprty value.
+   * The track property value.
    */
   value: string;
   /**
@@ -2102,9 +2102,14 @@ export interface VideoAnalyzerPreset {
    */
   audioLanguage?: string;
   /**
-   * The type of insights to be extracted. If not set then based on the content the type will
-   * selected.  If the content is audio only then only audio insights are extracted and if it is
-   * video only. Possible values include: 'AudioInsightsOnly', 'VideoInsightsOnly', 'AllInsights'
+   * Defines the type of insights that you want the service to generate. The allowed values are
+   * 'AudioInsightsOnly', 'VideoInsightsOnly', and 'AllInsights'. The default is AllInsights. If
+   * you set this to AllInsights and the input is audio only, then only audio insights are
+   * generated. Similarly if the input is video only, then only video insights are generated. It is
+   * recommended that you not use AudioInsightsOnly if you expect some of your inputs to be video
+   * only; or use VideoInsightsOnly if you expect some of your inputs to be audio only. Your Jobs
+   * in such conditions would error out. Possible values include: 'AudioInsightsOnly',
+   * 'VideoInsightsOnly', 'AllInsights'
    */
   insightsToExtract?: InsightsType;
 }
@@ -2262,6 +2267,22 @@ export interface JobInput {
   odatatype: "JobInput";
 }
 
+/**
+ * Contains the possible cases for ClipTime.
+ */
+export type ClipTimeUnion = ClipTime | AbsoluteClipTime;
+
+/**
+ * Base class for specifying a clip time. Use sub classes of this class to specify the time
+ * position in the media.
+ */
+export interface ClipTime {
+  /**
+   * Polymorphic Discriminator
+   */
+  odatatype: "ClipTime";
+}
+
 /**
  * Contains the possible cases for JobInputClip.
  */
@@ -2279,6 +2300,16 @@ export interface JobInputClip {
    * List of files. Required for JobInputHttp. Maximum of 4000 characters each.
    */
   files?: string[];
+  /**
+   * Defines a point on the timeline of the input media at which processing will start. Defaults to
+   * the beginning of the input media.
+   */
+  start?: ClipTimeUnion;
+  /**
+   * Defines a point on the timeline of the input media at which processing will end. Defaults to
+   * the end of the input media.
+   */
+  end?: ClipTimeUnion;
   /**
    * A label that is assigned to a JobInputClip, that is used to satisfy a reference used in the
    * Transform. For example, a Transform can be authored so as to take an image file with the label
@@ -2289,6 +2320,23 @@ export interface JobInputClip {
   label?: string;
 }
 
+/**
+ * Specifies the clip time as an absolute time position in the media file.  The absolute time can
+ * point to a different position depending on whether the media file starts from a timestamp of
+ * zero or not.
+ */
+export interface AbsoluteClipTime {
+  /**
+   * Polymorphic Discriminator
+   */
+  odatatype: "#Microsoft.Media.AbsoluteClipTime";
+  /**
+   * The time position on the timeline of the input media. It is usually specified as an ISO8601
+   * period. e.g PT30S for 30 seconds.
+   */
+  time: string;
+}
+
 /**
  * Describes a list of inputs to a Job.
  */
@@ -2315,6 +2363,16 @@ export interface JobInputAsset {
    * List of files. Required for JobInputHttp. Maximum of 4000 characters each.
    */
   files?: string[];
+  /**
+   * Defines a point on the timeline of the input media at which processing will start. Defaults to
+   * the beginning of the input media.
+   */
+  start?: ClipTimeUnion;
+  /**
+   * Defines a point on the timeline of the input media at which processing will end. Defaults to
+   * the end of the input media.
+   */
+  end?: ClipTimeUnion;
   /**
    * A label that is assigned to a JobInputClip, that is used to satisfy a reference used in the
    * Transform. For example, a Transform can be authored so as to take an image file with the label
@@ -2341,6 +2399,16 @@ export interface JobInputHttp {
    * List of files. Required for JobInputHttp. Maximum of 4000 characters each.
    */
   files?: string[];
+  /**
+   * Defines a point on the timeline of the input media at which processing will start. Defaults to
+   * the beginning of the input media.
+   */
+  start?: ClipTimeUnion;
+  /**
+   * Defines a point on the timeline of the input media at which processing will end. Defaults to
+   * the end of the input media.
+   */
+  end?: ClipTimeUnion;
   /**
    * A label that is assigned to a JobInputClip, that is used to satisfy a reference used in the
    * Transform. For example, a Transform can be authored so as to take an image file with the label
@@ -3160,7 +3228,7 @@ export interface LiveEventPreview {
 export interface LiveEventEncoding {
   /**
    * The encoding type for Live Event.  This value is specified at creation time and cannot be
-   * updated. Possible values include: 'None', 'Basic', 'Standard'
+   * updated. Possible values include: 'None', 'Basic', 'Standard', 'Premium1080p'
    */
   encodingType?: LiveEventEncodingType;
   /**
@@ -3169,6 +3237,58 @@ export interface LiveEventEncoding {
   presetName?: string;
 }
 
+/**
+ * A track selection condition.
+ */
+export interface LiveEventInputTrackSelection {
+  /**
+   * Property name to select.
+   */
+  property?: string;
+  /**
+   * Comparing operation.
+   */
+  operation?: string;
+  /**
+   * Property value to select.
+   */
+  value?: string;
+}
+
+/**
+ * Describes a transcription track in the output of a Live Event, generated using speech-to-text
+ * transcription.
+ */
+export interface LiveEventOutputTranscriptionTrack {
+  /**
+   * The output track name.
+   */
+  trackName: string;
+}
+
+/**
+ * Describes the transcription tracks in the output of a Live Event, generated using speech-to-text
+ * transcription.
+ */
+export interface LiveEventTranscription {
+  /**
+   * Specifies the language (locale) used for speech-to-text transcription � it should match the
+   * spoken language in the audio track. The value should be in BCP-47 format of 'language
+   * tag-region' (e.g: 'en-US'). The list of supported languages are 'en-US' and 'en-GB'.
+   */
+  language?: string;
+  /**
+   * Provides a mechanism to select the audio track in the input live feed, to which speech-to-text
+   * transcription is applied.
+   */
+  inputTrackSelection?: LiveEventInputTrackSelection[];
+  /**
+   * Describes a transcription track in the output of a Live Event, generated using speech-to-text
+   * transcription.
+   */
+  outputTranscriptionTrack?: LiveEventOutputTranscriptionTrack;
+}
+
 /**
  * The client access policy.
  */
@@ -3213,6 +3333,10 @@ export interface LiveEvent extends TrackedResource {
    * The Live Event encoding.
    */
   encoding?: LiveEventEncoding;
+  /**
+   * The Live Event transcription.
+   */
+  transcriptions?: LiveEventTranscription[];
   /**
    * The provisioning state of the Live Event.
    * **NOTE: This property will not be serialized. It can only be populated by the server.**
@@ -3395,7 +3519,7 @@ export interface AssetsListOptionalParams extends msRest.RequestOptionsBase {
    */
   top?: number;
   /**
-   * Specifies the the key by which the result collection should be ordered.
+   * Specifies the key by which the result collection should be ordered.
    */
   orderby?: string;
 }
@@ -3415,7 +3539,7 @@ export interface ContentKeyPoliciesListOptionalParams extends msRest.RequestOpti
    */
   top?: number;
   /**
-   * Specifies the the key by which the result collection should be ordered.
+   * Specifies the key by which the result collection should be ordered.
    */
   orderby?: string;
 }
@@ -3429,7 +3553,7 @@ export interface TransformsListOptionalParams extends msRest.RequestOptionsBase
    */
   filter?: string;
   /**
-   * Specifies the the key by which the result collection should be ordered.
+   * Specifies the key by which the result collection should be ordered.
    */
   orderby?: string;
 }
@@ -3443,7 +3567,7 @@ export interface JobsListOptionalParams extends msRest.RequestOptionsBase {
    */
   filter?: string;
   /**
-   * Specifies the the key by which the result collection should be ordered.
+   * Specifies the by which the result collection should be ordered.
    */
   orderby?: string;
 }
@@ -4029,11 +4153,11 @@ export type LiveEventInputProtocol = 'FragmentedMP4' | 'RTMP';
 
 /**
  * Defines values for LiveEventEncodingType.
- * Possible values include: 'None', 'Basic', 'Standard'
+ * Possible values include: 'None', 'Basic', 'Standard', 'Premium1080p'
  * @readonly
  * @enum {string}
  */
-export type LiveEventEncodingType = 'None' | 'Basic' | 'Standard';
+export type LiveEventEncodingType = 'None' | 'Basic' | 'Standard' | 'Premium1080p';
 
 /**
  * Defines values for LiveEventResourceState.
diff --git a/sdk/mediaservices/arm-mediaservices/src/models/jobsMappers.ts b/sdk/mediaservices/arm-mediaservices/src/models/jobsMappers.ts
index a10c40cb416e..5c0074d5f9f7 100644
--- a/sdk/mediaservices/arm-mediaservices/src/models/jobsMappers.ts
+++ b/sdk/mediaservices/arm-mediaservices/src/models/jobsMappers.ts
@@ -9,6 +9,7 @@
 export {
   discriminators,
   AacAudio,
+  AbsoluteClipTime,
   AccountFilter,
   AkamaiAccessControl,
   AkamaiSignatureHeaderAuthenticationKey,
@@ -22,6 +23,7 @@ export {
   BuiltInStandardEncoderPreset,
   CbcsDrmConfiguration,
   CencDrmConfiguration,
+  ClipTime,
   Codec,
   CommonEncryptionCbcs,
   CommonEncryptionCenc,
@@ -88,8 +90,11 @@ export {
   LiveEventEndpoint,
   LiveEventInput,
   LiveEventInputAccessControl,
+  LiveEventInputTrackSelection,
+  LiveEventOutputTranscriptionTrack,
   LiveEventPreview,
   LiveEventPreviewAccessControl,
+  LiveEventTranscription,
   LiveOutput,
   MediaService,
   Mp4Format,
diff --git a/sdk/mediaservices/arm-mediaservices/src/models/liveEventsMappers.ts b/sdk/mediaservices/arm-mediaservices/src/models/liveEventsMappers.ts
index 8e92f6b07e3a..0e3392bc3f67 100644
--- a/sdk/mediaservices/arm-mediaservices/src/models/liveEventsMappers.ts
+++ b/sdk/mediaservices/arm-mediaservices/src/models/liveEventsMappers.ts
@@ -9,6 +9,7 @@
 export {
   discriminators,
   AacAudio,
+  AbsoluteClipTime,
   AccountFilter,
   AkamaiAccessControl,
   AkamaiSignatureHeaderAuthenticationKey,
@@ -22,6 +23,7 @@ export {
   BuiltInStandardEncoderPreset,
   CbcsDrmConfiguration,
   CencDrmConfiguration,
+  ClipTime,
   Codec,
   CommonEncryptionCbcs,
   CommonEncryptionCenc,
@@ -88,9 +90,12 @@ export {
   LiveEventEndpoint,
   LiveEventInput,
   LiveEventInputAccessControl,
+  LiveEventInputTrackSelection,
   LiveEventListResult,
+  LiveEventOutputTranscriptionTrack,
   LiveEventPreview,
   LiveEventPreviewAccessControl,
+  LiveEventTranscription,
   LiveOutput,
   MediaService,
   Mp4Format,
diff --git a/sdk/mediaservices/arm-mediaservices/src/models/liveOutputsMappers.ts b/sdk/mediaservices/arm-mediaservices/src/models/liveOutputsMappers.ts
index 72dd3f782365..13476327f6fc 100644
--- a/sdk/mediaservices/arm-mediaservices/src/models/liveOutputsMappers.ts
+++ b/sdk/mediaservices/arm-mediaservices/src/models/liveOutputsMappers.ts
@@ -9,6 +9,7 @@
 export {
   discriminators,
   AacAudio,
+  AbsoluteClipTime,
   AccountFilter,
   AkamaiAccessControl,
   AkamaiSignatureHeaderAuthenticationKey,
@@ -22,6 +23,7 @@ export {
   BuiltInStandardEncoderPreset,
   CbcsDrmConfiguration,
   CencDrmConfiguration,
+  ClipTime,
   Codec,
   CommonEncryptionCbcs,
   CommonEncryptionCenc,
@@ -87,8 +89,11 @@ export {
   LiveEventEndpoint,
   LiveEventInput,
   LiveEventInputAccessControl,
+  LiveEventInputTrackSelection,
+  LiveEventOutputTranscriptionTrack,
   LiveEventPreview,
   LiveEventPreviewAccessControl,
+  LiveEventTranscription,
   LiveOutput,
   LiveOutputListResult,
   MediaService,
diff --git a/sdk/mediaservices/arm-mediaservices/src/models/mappers.ts b/sdk/mediaservices/arm-mediaservices/src/models/mappers.ts
index 79a1b00e398e..75a523c254b0 100644
--- a/sdk/mediaservices/arm-mediaservices/src/models/mappers.ts
+++ b/sdk/mediaservices/arm-mediaservices/src/models/mappers.ts
@@ -2754,6 +2754,28 @@ export const JobInput: msRest.CompositeMapper = {
   }
 };
 
+export const ClipTime: msRest.CompositeMapper = {
+  serializedName: "ClipTime",
+  type: {
+    name: "Composite",
+    polymorphicDiscriminator: {
+      serializedName: "@odata.type",
+      clientName: "odatatype"
+    },
+    uberParent: "ClipTime",
+    className: "ClipTime",
+    modelProperties: {
+      odatatype: {
+        required: true,
+        serializedName: "@odata\\.type",
+        type: {
+          name: "String"
+        }
+      }
+    }
+  }
+};
+
 export const JobInputClip: msRest.CompositeMapper = {
   serializedName: "#Microsoft.Media.JobInputClip",
   type: {
@@ -2774,6 +2796,20 @@ export const JobInputClip: msRest.CompositeMapper = {
           }
         }
       },
+      start: {
+        serializedName: "start",
+        type: {
+          name: "Composite",
+          className: "ClipTime"
+        }
+      },
+      end: {
+        serializedName: "end",
+        type: {
+          name: "Composite",
+          className: "ClipTime"
+        }
+      },
       label: {
         serializedName: "label",
         type: {
@@ -2784,6 +2820,26 @@ export const JobInputClip: msRest.CompositeMapper = {
   }
 };
 
+export const AbsoluteClipTime: msRest.CompositeMapper = {
+  serializedName: "#Microsoft.Media.AbsoluteClipTime",
+  type: {
+    name: "Composite",
+    polymorphicDiscriminator: ClipTime.type.polymorphicDiscriminator,
+    uberParent: "ClipTime",
+    className: "AbsoluteClipTime",
+    modelProperties: {
+      ...ClipTime.type.modelProperties,
+      time: {
+        required: true,
+        serializedName: "time",
+        type: {
+          name: "TimeSpan"
+        }
+      }
+    }
+  }
+};
+
 export const JobInputs: msRest.CompositeMapper = {
   serializedName: "#Microsoft.Media.JobInputs",
   type: {
@@ -3886,12 +3942,7 @@ export const LiveOutput: msRest.CompositeMapper = {
         readOnly: true,
         serializedName: "properties.resourceState",
         type: {
-          name: "Enum",
-          allowedValues: [
-            "Creating",
-            "Running",
-            "Deleting"
-          ]
+          name: "String"
         }
       }
     }
@@ -3997,11 +4048,7 @@ export const LiveEventInput: msRest.CompositeMapper = {
         required: true,
         serializedName: "streamingProtocol",
         type: {
-          name: "Enum",
-          allowedValues: [
-            "FragmentedMP4",
-            "RTMP"
-          ]
+          name: "String"
         }
       },
       accessControl: {
@@ -4112,12 +4159,7 @@ export const LiveEventEncoding: msRest.CompositeMapper = {
       encodingType: {
         serializedName: "encodingType",
         type: {
-          name: "Enum",
-          allowedValues: [
-            "None",
-            "Basic",
-            "Standard"
-          ]
+          name: "String"
         }
       },
       presetName: {
@@ -4130,6 +4172,86 @@ export const LiveEventEncoding: msRest.CompositeMapper = {
   }
 };
 
+export const LiveEventInputTrackSelection: msRest.CompositeMapper = {
+  serializedName: "LiveEventInputTrackSelection",
+  type: {
+    name: "Composite",
+    className: "LiveEventInputTrackSelection",
+    modelProperties: {
+      property: {
+        serializedName: "property",
+        type: {
+          name: "String"
+        }
+      },
+      operation: {
+        serializedName: "operation",
+        type: {
+          name: "String"
+        }
+      },
+      value: {
+        serializedName: "value",
+        type: {
+          name: "String"
+        }
+      }
+    }
+  }
+};
+
+export const LiveEventOutputTranscriptionTrack: msRest.CompositeMapper = {
+  serializedName: "LiveEventOutputTranscriptionTrack",
+  type: {
+    name: "Composite",
+    className: "LiveEventOutputTranscriptionTrack",
+    modelProperties: {
+      trackName: {
+        required: true,
+        serializedName: "trackName",
+        type: {
+          name: "String"
+        }
+      }
+    }
+  }
+};
+
+export const LiveEventTranscription: msRest.CompositeMapper = {
+  serializedName: "LiveEventTranscription",
+  type: {
+    name: "Composite",
+    className: "LiveEventTranscription",
+    modelProperties: {
+      language: {
+        serializedName: "language",
+        type: {
+          name: "String"
+        }
+      },
+      inputTrackSelection: {
+        serializedName: "inputTrackSelection",
+        type: {
+          name: "Sequence",
+          element: {
+            type: {
+              name: "Composite",
+              className: "LiveEventInputTrackSelection"
+            }
+          }
+        }
+      },
+      outputTranscriptionTrack: {
+        serializedName: "outputTranscriptionTrack",
+        type: {
+          name: "Composite",
+          className: "LiveEventOutputTranscriptionTrack"
+        }
+      }
+    }
+  }
+};
+
 export const CrossSiteAccessPolicies: msRest.CompositeMapper = {
   serializedName: "CrossSiteAccessPolicies",
   type: {
@@ -4203,6 +4325,18 @@ export const LiveEvent: msRest.CompositeMapper = {
           className: "LiveEventEncoding"
         }
       },
+      transcriptions: {
+        serializedName: "properties.transcriptions",
+        type: {
+          name: "Sequence",
+          element: {
+            type: {
+              name: "Composite",
+              className: "LiveEventTranscription"
+            }
+          }
+        }
+      },
       provisioningState: {
         readOnly: true,
         serializedName: "properties.provisioningState",
@@ -4214,14 +4348,7 @@ export const LiveEvent: msRest.CompositeMapper = {
         readOnly: true,
         serializedName: "properties.resourceState",
         type: {
-          name: "Enum",
-          allowedValues: [
-            "Stopped",
-            "Starting",
-            "Running",
-            "Stopping",
-            "Deleting"
-          ]
+          name: "String"
         }
       },
       crossSiteAccessPolicies: {
@@ -4243,11 +4370,7 @@ export const LiveEvent: msRest.CompositeMapper = {
           name: "Sequence",
           element: {
             type: {
-              name: "Enum",
-              allowedValues: [
-                "Default",
-                "LowLatency"
-              ]
+              name: "String"
             }
           }
         }
@@ -4446,15 +4569,7 @@ export const StreamingEndpoint: msRest.CompositeMapper = {
         readOnly: true,
         serializedName: "properties.resourceState",
         type: {
-          name: "Enum",
-          allowedValues: [
-            "Stopped",
-            "Starting",
-            "Running",
-            "Stopping",
-            "Deleting",
-            "Scaling"
-          ]
+          name: "String"
         }
       },
       crossSiteAccessPolicies: {
@@ -4949,7 +5064,9 @@ export const discriminators = {
   'Format.#Microsoft.Media.TransportStreamFormat' : TransportStreamFormat,
   'Overlay.#Microsoft.Media.VideoOverlay' : VideoOverlay,
   'JobInput' : JobInput,
+  'ClipTime' : ClipTime,
   'JobInput.#Microsoft.Media.JobInputClip' : JobInputClip,
+  'ClipTime.#Microsoft.Media.AbsoluteClipTime' : AbsoluteClipTime,
   'JobInput.#Microsoft.Media.JobInputs' : JobInputs,
   'JobInput.#Microsoft.Media.JobInputAsset' : JobInputAsset,
   'JobInput.#Microsoft.Media.JobInputHttp' : JobInputHttp,
diff --git a/sdk/mediaservices/arm-mediaservices/src/models/mediaservicesMappers.ts b/sdk/mediaservices/arm-mediaservices/src/models/mediaservicesMappers.ts
index 3dff25cf7c5a..ec9beeb46fbf 100644
--- a/sdk/mediaservices/arm-mediaservices/src/models/mediaservicesMappers.ts
+++ b/sdk/mediaservices/arm-mediaservices/src/models/mediaservicesMappers.ts
@@ -9,6 +9,7 @@
 export {
   discriminators,
   AacAudio,
+  AbsoluteClipTime,
   AccountFilter,
   AkamaiAccessControl,
   AkamaiSignatureHeaderAuthenticationKey,
@@ -22,6 +23,7 @@ export {
   BuiltInStandardEncoderPreset,
   CbcsDrmConfiguration,
   CencDrmConfiguration,
+  ClipTime,
   Codec,
   CommonEncryptionCbcs,
   CommonEncryptionCenc,
@@ -87,8 +89,11 @@ export {
   LiveEventEndpoint,
   LiveEventInput,
   LiveEventInputAccessControl,
+  LiveEventInputTrackSelection,
+  LiveEventOutputTranscriptionTrack,
   LiveEventPreview,
   LiveEventPreviewAccessControl,
+  LiveEventTranscription,
   LiveOutput,
   MediaService,
   MediaServiceCollection,
diff --git a/sdk/mediaservices/arm-mediaservices/src/models/parameters.ts b/sdk/mediaservices/arm-mediaservices/src/models/parameters.ts
index 01a6fe028c32..86f57d098f64 100644
--- a/sdk/mediaservices/arm-mediaservices/src/models/parameters.ts
+++ b/sdk/mediaservices/arm-mediaservices/src/models/parameters.ts
@@ -30,11 +30,25 @@ export const accountName: msRest.OperationURLParameter = {
     }
   }
 };
-export const apiVersion: msRest.OperationQueryParameter = {
+export const apiVersion0: msRest.OperationQueryParameter = {
   parameterPath: "apiVersion",
   mapper: {
     required: true,
+    isConstant: true,
     serializedName: "api-version",
+    defaultValue: '2018-07-01',
+    type: {
+      name: "String"
+    }
+  }
+};
+export const apiVersion1: msRest.OperationQueryParameter = {
+  parameterPath: "apiVersion",
+  mapper: {
+    required: true,
+    isConstant: true,
+    serializedName: "api-version",
+    defaultValue: '2019-05-01-preview',
     type: {
       name: "String"
     }
diff --git a/sdk/mediaservices/arm-mediaservices/src/models/streamingEndpointsMappers.ts b/sdk/mediaservices/arm-mediaservices/src/models/streamingEndpointsMappers.ts
index 7d14e6b24990..08f1580d3add 100644
--- a/sdk/mediaservices/arm-mediaservices/src/models/streamingEndpointsMappers.ts
+++ b/sdk/mediaservices/arm-mediaservices/src/models/streamingEndpointsMappers.ts
@@ -9,6 +9,7 @@
 export {
   discriminators,
   AacAudio,
+  AbsoluteClipTime,
   AccountFilter,
   AkamaiAccessControl,
   AkamaiSignatureHeaderAuthenticationKey,
@@ -22,6 +23,7 @@ export {
   BuiltInStandardEncoderPreset,
   CbcsDrmConfiguration,
   CencDrmConfiguration,
+  ClipTime,
   Codec,
   CommonEncryptionCbcs,
   CommonEncryptionCenc,
@@ -87,8 +89,11 @@ export {
   LiveEventEndpoint,
   LiveEventInput,
   LiveEventInputAccessControl,
+  LiveEventInputTrackSelection,
+  LiveEventOutputTranscriptionTrack,
   LiveEventPreview,
   LiveEventPreviewAccessControl,
+  LiveEventTranscription,
   LiveOutput,
   MediaService,
   Mp4Format,
diff --git a/sdk/mediaservices/arm-mediaservices/src/models/streamingLocatorsMappers.ts b/sdk/mediaservices/arm-mediaservices/src/models/streamingLocatorsMappers.ts
index 8a805bdf7265..08e3bc3c7cd4 100644
--- a/sdk/mediaservices/arm-mediaservices/src/models/streamingLocatorsMappers.ts
+++ b/sdk/mediaservices/arm-mediaservices/src/models/streamingLocatorsMappers.ts
@@ -9,6 +9,7 @@
 export {
   discriminators,
   AacAudio,
+  AbsoluteClipTime,
   AccountFilter,
   AkamaiAccessControl,
   AkamaiSignatureHeaderAuthenticationKey,
@@ -22,6 +23,7 @@ export {
   BuiltInStandardEncoderPreset,
   CbcsDrmConfiguration,
   CencDrmConfiguration,
+  ClipTime,
   Codec,
   CommonEncryptionCbcs,
   CommonEncryptionCenc,
@@ -89,8 +91,11 @@ export {
   LiveEventEndpoint,
   LiveEventInput,
   LiveEventInputAccessControl,
+  LiveEventInputTrackSelection,
+  LiveEventOutputTranscriptionTrack,
   LiveEventPreview,
   LiveEventPreviewAccessControl,
+  LiveEventTranscription,
   LiveOutput,
   MediaService,
   Mp4Format,
diff --git a/sdk/mediaservices/arm-mediaservices/src/models/streamingPoliciesMappers.ts b/sdk/mediaservices/arm-mediaservices/src/models/streamingPoliciesMappers.ts
index 541350874fbf..d716dcbd4ac9 100644
--- a/sdk/mediaservices/arm-mediaservices/src/models/streamingPoliciesMappers.ts
+++ b/sdk/mediaservices/arm-mediaservices/src/models/streamingPoliciesMappers.ts
@@ -9,6 +9,7 @@
 export {
   discriminators,
   AacAudio,
+  AbsoluteClipTime,
   AccountFilter,
   AkamaiAccessControl,
   AkamaiSignatureHeaderAuthenticationKey,
@@ -22,6 +23,7 @@ export {
   BuiltInStandardEncoderPreset,
   CbcsDrmConfiguration,
   CencDrmConfiguration,
+  ClipTime,
   Codec,
   CommonEncryptionCbcs,
   CommonEncryptionCenc,
@@ -87,8 +89,11 @@ export {
   LiveEventEndpoint,
   LiveEventInput,
   LiveEventInputAccessControl,
+  LiveEventInputTrackSelection,
+  LiveEventOutputTranscriptionTrack,
   LiveEventPreview,
   LiveEventPreviewAccessControl,
+  LiveEventTranscription,
   LiveOutput,
   MediaService,
   Mp4Format,
diff --git a/sdk/mediaservices/arm-mediaservices/src/models/transformsMappers.ts b/sdk/mediaservices/arm-mediaservices/src/models/transformsMappers.ts
index af75f9c098ec..670473d6d3a7 100644
--- a/sdk/mediaservices/arm-mediaservices/src/models/transformsMappers.ts
+++ b/sdk/mediaservices/arm-mediaservices/src/models/transformsMappers.ts
@@ -9,6 +9,7 @@
 export {
   discriminators,
   AacAudio,
+  AbsoluteClipTime,
   AccountFilter,
   AkamaiAccessControl,
   AkamaiSignatureHeaderAuthenticationKey,
@@ -22,6 +23,7 @@ export {
   BuiltInStandardEncoderPreset,
   CbcsDrmConfiguration,
   CencDrmConfiguration,
+  ClipTime,
   Codec,
   CommonEncryptionCbcs,
   CommonEncryptionCenc,
@@ -87,8 +89,11 @@ export {
   LiveEventEndpoint,
   LiveEventInput,
   LiveEventInputAccessControl,
+  LiveEventInputTrackSelection,
+  LiveEventOutputTranscriptionTrack,
   LiveEventPreview,
   LiveEventPreviewAccessControl,
+  LiveEventTranscription,
   LiveOutput,
   MediaService,
   Mp4Format,
diff --git a/sdk/mediaservices/arm-mediaservices/src/operations/accountFilters.ts b/sdk/mediaservices/arm-mediaservices/src/operations/accountFilters.ts
index f5ccd55c9f9d..bb1a4c28c37d 100644
--- a/sdk/mediaservices/arm-mediaservices/src/operations/accountFilters.ts
+++ b/sdk/mediaservices/arm-mediaservices/src/operations/accountFilters.ts
@@ -256,7 +256,7 @@ const listOperationSpec: msRest.OperationSpec = {
     Parameters.accountName
   ],
   queryParameters: [
-    Parameters.apiVersion
+    Parameters.apiVersion0
   ],
   headerParameters: [
     Parameters.acceptLanguage
@@ -282,7 +282,7 @@ const getOperationSpec: msRest.OperationSpec = {
     Parameters.filterName
   ],
   queryParameters: [
-    Parameters.apiVersion
+    Parameters.apiVersion0
   ],
   headerParameters: [
     Parameters.acceptLanguage
@@ -309,7 +309,7 @@ const createOrUpdateOperationSpec: msRest.OperationSpec = {
     Parameters.filterName
   ],
   queryParameters: [
-    Parameters.apiVersion
+    Parameters.apiVersion0
   ],
   headerParameters: [
     Parameters.acceptLanguage
@@ -345,7 +345,7 @@ const deleteMethodOperationSpec: msRest.OperationSpec = {
     Parameters.filterName
   ],
   queryParameters: [
-    Parameters.apiVersion
+    Parameters.apiVersion0
   ],
   headerParameters: [
     Parameters.acceptLanguage
@@ -370,7 +370,7 @@ const updateOperationSpec: msRest.OperationSpec = {
     Parameters.filterName
   ],
   queryParameters: [
-    Parameters.apiVersion
+    Parameters.apiVersion0
   ],
   headerParameters: [
     Parameters.acceptLanguage
diff --git a/sdk/mediaservices/arm-mediaservices/src/operations/assetFilters.ts b/sdk/mediaservices/arm-mediaservices/src/operations/assetFilters.ts
index 0f4b6a92b60a..9ef7407d2942 100644
--- a/sdk/mediaservices/arm-mediaservices/src/operations/assetFilters.ts
+++ b/sdk/mediaservices/arm-mediaservices/src/operations/assetFilters.ts
@@ -277,7 +277,7 @@ const listOperationSpec: msRest.OperationSpec = {
     Parameters.assetName
   ],
   queryParameters: [
-    Parameters.apiVersion
+    Parameters.apiVersion0
   ],
   headerParameters: [
     Parameters.acceptLanguage
@@ -304,7 +304,7 @@ const getOperationSpec: msRest.OperationSpec = {
     Parameters.filterName
   ],
   queryParameters: [
-    Parameters.apiVersion
+    Parameters.apiVersion0
   ],
   headerParameters: [
     Parameters.acceptLanguage
@@ -332,7 +332,7 @@ const createOrUpdateOperationSpec: msRest.OperationSpec = {
     Parameters.filterName
   ],
   queryParameters: [
-    Parameters.apiVersion
+    Parameters.apiVersion0
   ],
   headerParameters: [
     Parameters.acceptLanguage
@@ -369,7 +369,7 @@ const deleteMethodOperationSpec: msRest.OperationSpec = {
     Parameters.filterName
   ],
   queryParameters: [
-    Parameters.apiVersion
+    Parameters.apiVersion0
   ],
   headerParameters: [
     Parameters.acceptLanguage
@@ -395,7 +395,7 @@ const updateOperationSpec: msRest.OperationSpec = {
     Parameters.filterName
   ],
   queryParameters: [
-    Parameters.apiVersion
+    Parameters.apiVersion0
   ],
   headerParameters: [
     Parameters.acceptLanguage
diff --git a/sdk/mediaservices/arm-mediaservices/src/operations/assets.ts b/sdk/mediaservices/arm-mediaservices/src/operations/assets.ts
index 0de2d62d4c7e..759dbecf71e0 100644
--- a/sdk/mediaservices/arm-mediaservices/src/operations/assets.ts
+++ b/sdk/mediaservices/arm-mediaservices/src/operations/assets.ts
@@ -373,7 +373,7 @@ const listOperationSpec: msRest.OperationSpec = {
     Parameters.accountName
   ],
   queryParameters: [
-    Parameters.apiVersion,
+    Parameters.apiVersion0,
     Parameters.filter,
     Parameters.top,
     Parameters.orderby
@@ -402,7 +402,7 @@ const getOperationSpec: msRest.OperationSpec = {
     Parameters.assetName
   ],
   queryParameters: [
-    Parameters.apiVersion
+    Parameters.apiVersion0
   ],
   headerParameters: [
     Parameters.acceptLanguage
@@ -429,7 +429,7 @@ const createOrUpdateOperationSpec: msRest.OperationSpec = {
     Parameters.assetName
   ],
   queryParameters: [
-    Parameters.apiVersion
+    Parameters.apiVersion0
   ],
   headerParameters: [
     Parameters.acceptLanguage
@@ -465,7 +465,7 @@ const deleteMethodOperationSpec: msRest.OperationSpec = {
     Parameters.assetName
   ],
   queryParameters: [
-    Parameters.apiVersion
+    Parameters.apiVersion0
   ],
   headerParameters: [
     Parameters.acceptLanguage
@@ -490,7 +490,7 @@ const updateOperationSpec: msRest.OperationSpec = {
     Parameters.assetName
   ],
   queryParameters: [
-    Parameters.apiVersion
+    Parameters.apiVersion0
   ],
   headerParameters: [
     Parameters.acceptLanguage
@@ -523,7 +523,7 @@ const listContainerSasOperationSpec: msRest.OperationSpec = {
     Parameters.assetName
   ],
   queryParameters: [
-    Parameters.apiVersion
+    Parameters.apiVersion0
   ],
   headerParameters: [
     Parameters.acceptLanguage
@@ -556,7 +556,7 @@ const getEncryptionKeyOperationSpec: msRest.OperationSpec = {
     Parameters.assetName
   ],
   queryParameters: [
-    Parameters.apiVersion
+    Parameters.apiVersion0
   ],
   headerParameters: [
     Parameters.acceptLanguage
@@ -582,7 +582,7 @@ const listStreamingLocatorsOperationSpec: msRest.OperationSpec = {
     Parameters.assetName
   ],
   queryParameters: [
-    Parameters.apiVersion
+    Parameters.apiVersion0
   ],
   headerParameters: [
     Parameters.acceptLanguage
diff --git a/sdk/mediaservices/arm-mediaservices/src/operations/contentKeyPolicies.ts b/sdk/mediaservices/arm-mediaservices/src/operations/contentKeyPolicies.ts
index 0dca3126d27a..a85f91cf28a6 100644
--- a/sdk/mediaservices/arm-mediaservices/src/operations/contentKeyPolicies.ts
+++ b/sdk/mediaservices/arm-mediaservices/src/operations/contentKeyPolicies.ts
@@ -293,7 +293,7 @@ const listOperationSpec: msRest.OperationSpec = {
     Parameters.accountName
   ],
   queryParameters: [
-    Parameters.apiVersion,
+    Parameters.apiVersion0,
     Parameters.filter,
     Parameters.top,
     Parameters.orderby
@@ -322,7 +322,7 @@ const getOperationSpec: msRest.OperationSpec = {
     Parameters.contentKeyPolicyName
   ],
   queryParameters: [
-    Parameters.apiVersion
+    Parameters.apiVersion0
   ],
   headerParameters: [
     Parameters.acceptLanguage
@@ -349,7 +349,7 @@ const createOrUpdateOperationSpec: msRest.OperationSpec = {
     Parameters.contentKeyPolicyName
   ],
   queryParameters: [
-    Parameters.apiVersion
+    Parameters.apiVersion0
   ],
   headerParameters: [
     Parameters.acceptLanguage
@@ -385,7 +385,7 @@ const deleteMethodOperationSpec: msRest.OperationSpec = {
     Parameters.contentKeyPolicyName
   ],
   queryParameters: [
-    Parameters.apiVersion
+    Parameters.apiVersion0
   ],
   headerParameters: [
     Parameters.acceptLanguage
@@ -410,7 +410,7 @@ const updateOperationSpec: msRest.OperationSpec = {
     Parameters.contentKeyPolicyName
   ],
   queryParameters: [
-    Parameters.apiVersion
+    Parameters.apiVersion0
   ],
   headerParameters: [
     Parameters.acceptLanguage
@@ -443,7 +443,7 @@ const getPolicyPropertiesWithSecretsOperationSpec: msRest.OperationSpec = {
     Parameters.contentKeyPolicyName
   ],
   queryParameters: [
-    Parameters.apiVersion
+    Parameters.apiVersion0
   ],
   headerParameters: [
     Parameters.acceptLanguage
diff --git a/sdk/mediaservices/arm-mediaservices/src/operations/jobs.ts b/sdk/mediaservices/arm-mediaservices/src/operations/jobs.ts
index 6f3f3b293094..62943d086511 100644
--- a/sdk/mediaservices/arm-mediaservices/src/operations/jobs.ts
+++ b/sdk/mediaservices/arm-mediaservices/src/operations/jobs.ts
@@ -320,7 +320,7 @@ const listOperationSpec: msRest.OperationSpec = {
     Parameters.transformName
   ],
   queryParameters: [
-    Parameters.apiVersion,
+    Parameters.apiVersion0,
     Parameters.filter,
     Parameters.orderby
   ],
@@ -349,7 +349,7 @@ const getOperationSpec: msRest.OperationSpec = {
     Parameters.jobName
   ],
   queryParameters: [
-    Parameters.apiVersion
+    Parameters.apiVersion0
   ],
   headerParameters: [
     Parameters.acceptLanguage
@@ -377,7 +377,7 @@ const createOperationSpec: msRest.OperationSpec = {
     Parameters.jobName
   ],
   queryParameters: [
-    Parameters.apiVersion
+    Parameters.apiVersion0
   ],
   headerParameters: [
     Parameters.acceptLanguage
@@ -411,7 +411,7 @@ const deleteMethodOperationSpec: msRest.OperationSpec = {
     Parameters.jobName
   ],
   queryParameters: [
-    Parameters.apiVersion
+    Parameters.apiVersion0
   ],
   headerParameters: [
     Parameters.acceptLanguage
@@ -437,7 +437,7 @@ const updateOperationSpec: msRest.OperationSpec = {
     Parameters.jobName
   ],
   queryParameters: [
-    Parameters.apiVersion
+    Parameters.apiVersion0
   ],
   headerParameters: [
     Parameters.acceptLanguage
@@ -471,7 +471,7 @@ const cancelJobOperationSpec: msRest.OperationSpec = {
     Parameters.jobName
   ],
   queryParameters: [
-    Parameters.apiVersion
+    Parameters.apiVersion0
   ],
   headerParameters: [
     Parameters.acceptLanguage
diff --git a/sdk/mediaservices/arm-mediaservices/src/operations/liveEvents.ts b/sdk/mediaservices/arm-mediaservices/src/operations/liveEvents.ts
index c06e63ea4dae..d07bf9d39214 100644
--- a/sdk/mediaservices/arm-mediaservices/src/operations/liveEvents.ts
+++ b/sdk/mediaservices/arm-mediaservices/src/operations/liveEvents.ts
@@ -355,7 +355,7 @@ const listOperationSpec: msRest.OperationSpec = {
     Parameters.accountName
   ],
   queryParameters: [
-    Parameters.apiVersion
+    Parameters.apiVersion1
   ],
   headerParameters: [
     Parameters.acceptLanguage
@@ -381,7 +381,7 @@ const getOperationSpec: msRest.OperationSpec = {
     Parameters.liveEventName
   ],
   queryParameters: [
-    Parameters.apiVersion
+    Parameters.apiVersion1
   ],
   headerParameters: [
     Parameters.acceptLanguage
@@ -408,7 +408,7 @@ const beginCreateOperationSpec: msRest.OperationSpec = {
     Parameters.liveEventName
   ],
   queryParameters: [
-    Parameters.apiVersion,
+    Parameters.apiVersion1,
     Parameters.autoStart
   ],
   headerParameters: [
@@ -445,7 +445,7 @@ const beginUpdateOperationSpec: msRest.OperationSpec = {
     Parameters.liveEventName
   ],
   queryParameters: [
-    Parameters.apiVersion
+    Parameters.apiVersion1
   ],
   headerParameters: [
     Parameters.acceptLanguage
@@ -481,7 +481,7 @@ const beginDeleteMethodOperationSpec: msRest.OperationSpec = {
     Parameters.liveEventName
   ],
   queryParameters: [
-    Parameters.apiVersion
+    Parameters.apiVersion1
   ],
   headerParameters: [
     Parameters.acceptLanguage
@@ -507,7 +507,7 @@ const beginStartOperationSpec: msRest.OperationSpec = {
     Parameters.liveEventName
   ],
   queryParameters: [
-    Parameters.apiVersion
+    Parameters.apiVersion1
   ],
   headerParameters: [
     Parameters.acceptLanguage
@@ -532,7 +532,7 @@ const beginStopOperationSpec: msRest.OperationSpec = {
     Parameters.liveEventName
   ],
   queryParameters: [
-    Parameters.apiVersion
+    Parameters.apiVersion1
   ],
   headerParameters: [
     Parameters.acceptLanguage
@@ -564,7 +564,7 @@ const beginResetOperationSpec: msRest.OperationSpec = {
     Parameters.liveEventName
   ],
   queryParameters: [
-    Parameters.apiVersion
+    Parameters.apiVersion1
   ],
   headerParameters: [
     Parameters.acceptLanguage
diff --git a/sdk/mediaservices/arm-mediaservices/src/operations/liveOutputs.ts b/sdk/mediaservices/arm-mediaservices/src/operations/liveOutputs.ts
index 2dec4c75f9fe..2ddf90760078 100644
--- a/sdk/mediaservices/arm-mediaservices/src/operations/liveOutputs.ts
+++ b/sdk/mediaservices/arm-mediaservices/src/operations/liveOutputs.ts
@@ -226,7 +226,7 @@ const listOperationSpec: msRest.OperationSpec = {
     Parameters.liveEventName
   ],
   queryParameters: [
-    Parameters.apiVersion
+    Parameters.apiVersion1
   ],
   headerParameters: [
     Parameters.acceptLanguage
@@ -253,7 +253,7 @@ const getOperationSpec: msRest.OperationSpec = {
     Parameters.liveOutputName
   ],
   queryParameters: [
-    Parameters.apiVersion
+    Parameters.apiVersion1
   ],
   headerParameters: [
     Parameters.acceptLanguage
@@ -281,7 +281,7 @@ const beginCreateOperationSpec: msRest.OperationSpec = {
     Parameters.liveOutputName
   ],
   queryParameters: [
-    Parameters.apiVersion
+    Parameters.apiVersion1
   ],
   headerParameters: [
     Parameters.acceptLanguage
@@ -318,7 +318,7 @@ const beginDeleteMethodOperationSpec: msRest.OperationSpec = {
     Parameters.liveOutputName
   ],
   queryParameters: [
-    Parameters.apiVersion
+    Parameters.apiVersion1
   ],
   headerParameters: [
     Parameters.acceptLanguage
diff --git a/sdk/mediaservices/arm-mediaservices/src/operations/locations.ts b/sdk/mediaservices/arm-mediaservices/src/operations/locations.ts
index ee17d6ba2f2c..306853860b56 100644
--- a/sdk/mediaservices/arm-mediaservices/src/operations/locations.ts
+++ b/sdk/mediaservices/arm-mediaservices/src/operations/locations.ts
@@ -70,7 +70,7 @@ const checkNameAvailabilityOperationSpec: msRest.OperationSpec = {
     Parameters.locationName
   ],
   queryParameters: [
-    Parameters.apiVersion
+    Parameters.apiVersion0
   ],
   headerParameters: [
     Parameters.acceptLanguage
diff --git a/sdk/mediaservices/arm-mediaservices/src/operations/mediaservices.ts b/sdk/mediaservices/arm-mediaservices/src/operations/mediaservices.ts
index 7cc6495c02ac..8780720d6e60 100644
--- a/sdk/mediaservices/arm-mediaservices/src/operations/mediaservices.ts
+++ b/sdk/mediaservices/arm-mediaservices/src/operations/mediaservices.ts
@@ -356,7 +356,7 @@ const listOperationSpec: msRest.OperationSpec = {
     Parameters.resourceGroupName
   ],
   queryParameters: [
-    Parameters.apiVersion
+    Parameters.apiVersion0
   ],
   headerParameters: [
     Parameters.acceptLanguage
@@ -381,7 +381,7 @@ const getOperationSpec: msRest.OperationSpec = {
     Parameters.accountName
   ],
   queryParameters: [
-    Parameters.apiVersion
+    Parameters.apiVersion0
   ],
   headerParameters: [
     Parameters.acceptLanguage
@@ -406,7 +406,7 @@ const createOrUpdateOperationSpec: msRest.OperationSpec = {
     Parameters.accountName
   ],
   queryParameters: [
-    Parameters.apiVersion
+    Parameters.apiVersion0
   ],
   headerParameters: [
     Parameters.acceptLanguage
@@ -441,7 +441,7 @@ const deleteMethodOperationSpec: msRest.OperationSpec = {
     Parameters.accountName
   ],
   queryParameters: [
-    Parameters.apiVersion
+    Parameters.apiVersion0
   ],
   headerParameters: [
     Parameters.acceptLanguage
@@ -464,7 +464,7 @@ const updateOperationSpec: msRest.OperationSpec = {
     Parameters.accountName
   ],
   queryParameters: [
-    Parameters.apiVersion
+    Parameters.apiVersion0
   ],
   headerParameters: [
     Parameters.acceptLanguage
@@ -496,7 +496,7 @@ const syncStorageKeysOperationSpec: msRest.OperationSpec = {
     Parameters.accountName
   ],
   queryParameters: [
-    Parameters.apiVersion
+    Parameters.apiVersion0
   ],
   headerParameters: [
     Parameters.acceptLanguage
@@ -524,7 +524,7 @@ const listBySubscriptionOperationSpec: msRest.OperationSpec = {
     Parameters.subscriptionId
   ],
   queryParameters: [
-    Parameters.apiVersion
+    Parameters.apiVersion0
   ],
   headerParameters: [
     Parameters.acceptLanguage
@@ -548,7 +548,7 @@ const getBySubscriptionOperationSpec: msRest.OperationSpec = {
     Parameters.accountName
   ],
   queryParameters: [
-    Parameters.apiVersion
+    Parameters.apiVersion0
   ],
   headerParameters: [
     Parameters.acceptLanguage
diff --git a/sdk/mediaservices/arm-mediaservices/src/operations/operations.ts b/sdk/mediaservices/arm-mediaservices/src/operations/operations.ts
index 8b5ee4c6fecd..d3c7f37d543e 100644
--- a/sdk/mediaservices/arm-mediaservices/src/operations/operations.ts
+++ b/sdk/mediaservices/arm-mediaservices/src/operations/operations.ts
@@ -87,7 +87,7 @@ const listOperationSpec: msRest.OperationSpec = {
   httpMethod: "GET",
   path: "providers/Microsoft.Media/operations",
   queryParameters: [
-    Parameters.apiVersion
+    Parameters.apiVersion0
   ],
   headerParameters: [
     Parameters.acceptLanguage
diff --git a/sdk/mediaservices/arm-mediaservices/src/operations/streamingEndpoints.ts b/sdk/mediaservices/arm-mediaservices/src/operations/streamingEndpoints.ts
index 51a00cbba68c..cd8251f58b0e 100644
--- a/sdk/mediaservices/arm-mediaservices/src/operations/streamingEndpoints.ts
+++ b/sdk/mediaservices/arm-mediaservices/src/operations/streamingEndpoints.ts
@@ -357,7 +357,7 @@ const listOperationSpec: msRest.OperationSpec = {
     Parameters.accountName
   ],
   queryParameters: [
-    Parameters.apiVersion
+    Parameters.apiVersion1
   ],
   headerParameters: [
     Parameters.acceptLanguage
@@ -383,7 +383,7 @@ const getOperationSpec: msRest.OperationSpec = {
     Parameters.streamingEndpointName
   ],
   queryParameters: [
-    Parameters.apiVersion
+    Parameters.apiVersion1
   ],
   headerParameters: [
     Parameters.acceptLanguage
@@ -410,7 +410,7 @@ const beginCreateOperationSpec: msRest.OperationSpec = {
     Parameters.streamingEndpointName
   ],
   queryParameters: [
-    Parameters.apiVersion,
+    Parameters.apiVersion1,
     Parameters.autoStart
   ],
   headerParameters: [
@@ -447,7 +447,7 @@ const beginUpdateOperationSpec: msRest.OperationSpec = {
     Parameters.streamingEndpointName
   ],
   queryParameters: [
-    Parameters.apiVersion
+    Parameters.apiVersion1
   ],
   headerParameters: [
     Parameters.acceptLanguage
@@ -483,7 +483,7 @@ const beginDeleteMethodOperationSpec: msRest.OperationSpec = {
     Parameters.streamingEndpointName
   ],
   queryParameters: [
-    Parameters.apiVersion
+    Parameters.apiVersion1
   ],
   headerParameters: [
     Parameters.acceptLanguage
@@ -509,7 +509,7 @@ const beginStartOperationSpec: msRest.OperationSpec = {
     Parameters.streamingEndpointName
   ],
   queryParameters: [
-    Parameters.apiVersion
+    Parameters.apiVersion1
   ],
   headerParameters: [
     Parameters.acceptLanguage
@@ -534,7 +534,7 @@ const beginStopOperationSpec: msRest.OperationSpec = {
     Parameters.streamingEndpointName
   ],
   queryParameters: [
-    Parameters.apiVersion
+    Parameters.apiVersion1
   ],
   headerParameters: [
     Parameters.acceptLanguage
@@ -559,7 +559,7 @@ const beginScaleOperationSpec: msRest.OperationSpec = {
     Parameters.streamingEndpointName
   ],
   queryParameters: [
-    Parameters.apiVersion
+    Parameters.apiVersion1
   ],
   headerParameters: [
     Parameters.acceptLanguage
diff --git a/sdk/mediaservices/arm-mediaservices/src/operations/streamingLocators.ts b/sdk/mediaservices/arm-mediaservices/src/operations/streamingLocators.ts
index 41ade18824cd..9b128da859c5 100644
--- a/sdk/mediaservices/arm-mediaservices/src/operations/streamingLocators.ts
+++ b/sdk/mediaservices/arm-mediaservices/src/operations/streamingLocators.ts
@@ -289,7 +289,7 @@ const listOperationSpec: msRest.OperationSpec = {
     Parameters.accountName
   ],
   queryParameters: [
-    Parameters.apiVersion,
+    Parameters.apiVersion0,
     Parameters.filter,
     Parameters.top,
     Parameters.orderby
@@ -318,7 +318,7 @@ const getOperationSpec: msRest.OperationSpec = {
     Parameters.streamingLocatorName
   ],
   queryParameters: [
-    Parameters.apiVersion
+    Parameters.apiVersion0
   ],
   headerParameters: [
     Parameters.acceptLanguage
@@ -345,7 +345,7 @@ const createOperationSpec: msRest.OperationSpec = {
     Parameters.streamingLocatorName
   ],
   queryParameters: [
-    Parameters.apiVersion
+    Parameters.apiVersion0
   ],
   headerParameters: [
     Parameters.acceptLanguage
@@ -378,7 +378,7 @@ const deleteMethodOperationSpec: msRest.OperationSpec = {
     Parameters.streamingLocatorName
   ],
   queryParameters: [
-    Parameters.apiVersion
+    Parameters.apiVersion0
   ],
   headerParameters: [
     Parameters.acceptLanguage
@@ -403,7 +403,7 @@ const listContentKeysOperationSpec: msRest.OperationSpec = {
     Parameters.streamingLocatorName
   ],
   queryParameters: [
-    Parameters.apiVersion
+    Parameters.apiVersion0
   ],
   headerParameters: [
     Parameters.acceptLanguage
@@ -429,7 +429,7 @@ const listPathsOperationSpec: msRest.OperationSpec = {
     Parameters.streamingLocatorName
   ],
   queryParameters: [
-    Parameters.apiVersion
+    Parameters.apiVersion0
   ],
   headerParameters: [
     Parameters.acceptLanguage
diff --git a/sdk/mediaservices/arm-mediaservices/src/operations/streamingPolicies.ts b/sdk/mediaservices/arm-mediaservices/src/operations/streamingPolicies.ts
index c36bd009e7cb..8d199fe5174e 100644
--- a/sdk/mediaservices/arm-mediaservices/src/operations/streamingPolicies.ts
+++ b/sdk/mediaservices/arm-mediaservices/src/operations/streamingPolicies.ts
@@ -215,7 +215,7 @@ const listOperationSpec: msRest.OperationSpec = {
     Parameters.accountName
   ],
   queryParameters: [
-    Parameters.apiVersion,
+    Parameters.apiVersion0,
     Parameters.filter,
     Parameters.top,
     Parameters.orderby
@@ -244,7 +244,7 @@ const getOperationSpec: msRest.OperationSpec = {
     Parameters.streamingPolicyName
   ],
   queryParameters: [
-    Parameters.apiVersion
+    Parameters.apiVersion0
   ],
   headerParameters: [
     Parameters.acceptLanguage
@@ -271,7 +271,7 @@ const createOperationSpec: msRest.OperationSpec = {
     Parameters.streamingPolicyName
   ],
   queryParameters: [
-    Parameters.apiVersion
+    Parameters.apiVersion0
   ],
   headerParameters: [
     Parameters.acceptLanguage
@@ -304,7 +304,7 @@ const deleteMethodOperationSpec: msRest.OperationSpec = {
     Parameters.streamingPolicyName
   ],
   queryParameters: [
-    Parameters.apiVersion
+    Parameters.apiVersion0
   ],
   headerParameters: [
     Parameters.acceptLanguage
diff --git a/sdk/mediaservices/arm-mediaservices/src/operations/transforms.ts b/sdk/mediaservices/arm-mediaservices/src/operations/transforms.ts
index 379e42c19434..cd0733668ed0 100644
--- a/sdk/mediaservices/arm-mediaservices/src/operations/transforms.ts
+++ b/sdk/mediaservices/arm-mediaservices/src/operations/transforms.ts
@@ -256,7 +256,7 @@ const listOperationSpec: msRest.OperationSpec = {
     Parameters.accountName
   ],
   queryParameters: [
-    Parameters.apiVersion,
+    Parameters.apiVersion0,
     Parameters.filter,
     Parameters.orderby
   ],
@@ -284,7 +284,7 @@ const getOperationSpec: msRest.OperationSpec = {
     Parameters.transformName
   ],
   queryParameters: [
-    Parameters.apiVersion
+    Parameters.apiVersion0
   ],
   headerParameters: [
     Parameters.acceptLanguage
@@ -311,7 +311,7 @@ const createOrUpdateOperationSpec: msRest.OperationSpec = {
     Parameters.transformName
   ],
   queryParameters: [
-    Parameters.apiVersion
+    Parameters.apiVersion0
   ],
   headerParameters: [
     Parameters.acceptLanguage
@@ -347,7 +347,7 @@ const deleteMethodOperationSpec: msRest.OperationSpec = {
     Parameters.transformName
   ],
   queryParameters: [
-    Parameters.apiVersion
+    Parameters.apiVersion0
   ],
   headerParameters: [
     Parameters.acceptLanguage
@@ -372,7 +372,7 @@ const updateOperationSpec: msRest.OperationSpec = {
     Parameters.transformName
   ],
   queryParameters: [
-    Parameters.apiVersion
+    Parameters.apiVersion0
   ],
   headerParameters: [
     Parameters.acceptLanguage