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faq_NoiseCapture.html
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faq_NoiseCapture.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta name="description" content="Noise-Planet - Scientific tools for environmental noise assessment">
<meta name="author" content="Gwendall Petit (Lab-STICC - CNRS UMR 6285 / DECIDE Team)">
<meta name="author" content="Judicael Picaut (Univ Eiffel / UMRAE)">
<title>Noise-Planet - NoiseCapture FAQ</title>
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<body data-spy="scroll" data-offset="0" data-target="#navbar-main" class="txlive">
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<!-- ==== REFERENCES ==== -->
<div class="container" id="publication" name="publication">
<div class="row">
<h1 class="centered">FAQ NoiseCapture</h1>
<hr>
<br>
</div><!-- /row -->
<div class="container ">
<div class="panel-group" id="faqAccordion">
<div class="panel panel-default ">
<div class="panel-heading accordion-toggle question-toggle collapsed" data-toggle="collapse" data-parent="#faqAccordion" data-target="#question_works">
<h4 class="panel-title">
<a href="#" class="ing">Q: How it works?</a>
</h4>
</div>
<div id="question_works" class="panel-collapse collapse" style="height: 0px;">
<div class="panel-body">
<h5><span class="label label-primary">Answer</span></h5>
<ul>
<li> Install the app from Google Play: <a href="https://play.google.com/store/apps/details?id=org.noise_planet.noisecapture" target="_blank">https://play.google.com/store/apps/details?id=org.noise_planet.noisecapture</a> ... </li>
<li> ... or fro the free Aptoide store: <a href="https://noisecapture.en.aptoide.com/" target="_blank">https://noisecapture.en.aptoide.com/</a> </li>
<li> Start a recording </li>
<li> Take a walk (in outdoor) </li>
<li> Stop the measurement </li>
<li> Enter some information (optional) on the sound environment (including aggreement and tags) </li>
<li> Check the acoustic indicators </li>
<li> Check the map and choose the information you want to display (including the Community Sound Level map) </li>
<li> See the Help menu of the application and the Google Play notice for more information </li>
<li> See the dedicated <a href="http://noise-planet.org/noisecapture.html">NoiseCapture page</a> </li>
</ul>
</div>
</div>
</div>
<div class="panel panel-default ">
<div class="panel-heading accordion-toggle question-toggle collapsed" data-toggle="collapse" data-parent="#faqAccordion" data-target="#question_best">
<h4 class="panel-title">
<a href="#" class="ing">Q: How to make the best measure?</a>
</h4>
</div>
<div id="question_best" class="panel-collapse collapse" style="height: 0px;">
<div class="panel-body">
<h5><span class="label label-primary">Answer</span></h5>
<ul>
<li> Measure with the telephone by hand (the measurement continues even after the phone switches to standby) </li>
<li> Use walking preferably </li>
<li> When you perceive that the sound environment will change (for example, you switch from a park to a boulevard), stop the current measure and start a new one </li>
<li> There is no minimum duration, but the longer the duration is the better the exploitation; the interesting is to have measurements on a trip where the sound environment is about "homogeneous" </li>
<li> Do not hesitate to go back in the same areas, at other times of the day, at other time period of the week/year </li>
<li> Avoid measurements with strong rain or wind (or consider selecting the corresponding Tags) </li>
</ul>
</div>
</div>
</div>
<div class="panel panel-default ">
<div class="panel-heading accordion-toggle collapsed question-toggle" data-toggle="collapse" data-parent="#faqAccordion" data-target="#question_user">
<h4 class="panel-title">
<a href="#" class="ing">Q: Who can use NoiseCapture?</a>
</h4>
</div>
<div id="question_user" class="panel-collapse collapse" style="height: 0px;">
<div class="panel-body">
<h5><span class="label label-primary">Answer</span></h5>
<p>Everyone can use it. Nevertheless, its use is rather intended for an audience with a certain technical (or sensitivity) in the field of acoustic measurement.</p>
</div>
</div>
</div>
<div class="panel panel-default ">
<div class="panel-heading accordion-toggle collapsed question-toggle" data-toggle="collapse" data-parent="#faqAccordion" data-target="#question_how">
<h4 class="panel-title">
<a href="#" class="ing">Q: How is the collaborative map created?</a>
</h4>
</div>
<div id="question_how" class="panel-collapse collapse" style="height: 0px;">
<div class="panel-body">
<h5><span class="label label-primary">Answer</span></h5>
<ul>
<li> Each person using the application becomes a contributor if he wishes</li>
<li> The set of contributions is aggregated to build a map</li>
<li> To view the map and extract information, go to the <a href="http://noise-planet.org/map_noisecapture/index.html">following page</a> (from a computer)</li>
<li> Zoom into areas containing measurements</li>
<li> Select colored hexagons to display information about the collected measurements.</li>
</ul>
</div>
</div>
</div>
<div class="panel panel-default ">
<div class="panel-heading accordion-toggle collapsed question-toggle" data-toggle="collapse" data-parent="#faqAccordion" data-target="#question_what">
<h4 class="panel-title">
<a href="#" class="ing">Q: What representativeness give this map?</a>
</h4>
</div>
<div id="question_what" class="panel-collapse collapse" style="height: 0px;">
<div class="panel-body">
<h5><span class="label label-primary">Answer</span></h5>
<p>At this stage, the presented map is based only on the raw data collected (without filtering, without processing). The objective is to collect sufficient data to produce, in a second stage, maps that are "relevant from the point of view of an acoustician", by developing new methodologies.
These maps will be uploaded later. To be informed of the evolution of the project, follow us on Twitter: <a href="https://twitter.com/Noise_Planet" class="twitter-follow-button" data-show-count="false">Follow @Noise_Planet</a><script async src="//platform.twitter.com/widgets.js" charset="utf-8"></script></p>
</div>
</div>
</div>
<div class="panel panel-default ">
<div class="panel-heading accordion-toggle collapsed question-toggle" data-toggle="collapse" data-parent="#faqAccordion" data-target="#question_accuracy">
<h4 class="panel-title">
<a href="#" class="ing">Q: What is the noise measurement accuracy with a smartphone?</a>
</h4>
</div>
<div id="question_accuracy" class="panel-collapse collapse" style="height: 0px;">
<div class="panel-body">
<h5><span class="label label-primary">Answer</span></h5>
<ul>
<li> Recent work has focused on this subject. The last results show that the quality of smartphones is improving continuously and that such a device can be used for this type of application</li>
<li> Obviously, it is best to calibrate the smartphone by comparison with a reference device (see the "Calibration" menu of the application)!</li>
<li> To improve the measurement, you can use an external microphone, which you can calibrate with the application using a calibrator (if compatible)</li>
<li> Realize a measurement with the phone in hand, on foot, and, if possible, without adding noise!</li>
<li> Even without calibration, the information transmitted is of interest for our research!</li>
</ul>
</div>
</div>
</div>
<div class="panel panel-default ">
<div class="panel-heading accordion-toggle collapsed question-toggle" data-toggle="collapse" data-parent="#faqAccordion" data-target="#question_use">
<h4 class="panel-title">
<a href="#" class="ing">Q: Why use this application?</a>
</h4>
</div>
<div id="question_use" class="panel-collapse collapse" style="height: 0px;">
<div class="panel-body">
<h5><span class="label label-primary">Answer</span></h5>
<ul>
<li> Because you may need a "pocket sound level meter"</li>
<li> Because you can use it in your educational activities</li>
<li> Because you want to characterize your sound environment</li>
<li> Because you want to contribute to collaborative noise maps</li>
<li> Because you want to participate in a scientific project</li>
</ul>
</div>
</div>
</div>
<div class="panel panel-default ">
<div class="panel-heading accordion-toggle collapsed question-toggle" data-toggle="collapse" data-parent="#faqAccordion" data-target="#question_contribute">
<h4 class="panel-title">
<a href="#" class="ing">Q: I am interested by this project, how can I contribute?</a>
</h4>
</div>
<div id="question_contribute" class="panel-collapse collapse" style="height: 0px;">
<div class="panel-body">
<h5><span class="label label-primary">Answer</span></h5>
<p>Since this is an Open Science approach, there are many ways to contribute to this project: </p>
<ul>
<li> Contribute to the collection of data, using NoiseCapture</li>
<li> Organize NoiseCapture Party to collect data (<a href="http://noise-planet.org/noisecapture_protocol.html">NoiseCapture Party protocol</a>)</li>
<li> Give us your feedback on your use of the application or on the difficulties encountered (<a href="mailto:[email protected]">[email protected]</a>)</li>
<li> Participate in developing the source code: <a href="https://github.com/Ifsttar/NoiseCapture">https://github.com/Ifsttar/NoiseCapture</a></li>
<li> Participate in translating the application and website into other languages; it is very simple! Contact us for the procedure: <a href="mailto:[email protected]">[email protected]</a></li>
</ul>
</div>
</div>
</div>
<div class="panel panel-default ">
<div class="panel-heading accordion-toggle collapsed question-toggle" data-toggle="collapse" data-parent="#faqAccordion" data-target="#question_data">
<h4 class="panel-title">
<a href="#" class="ing">Q: I am interested by using the collected data me, how can I use them?</a>
</h4>
</div>
<div id="question_data" class="panel-collapse collapse" style="height: 0px;">
<div class="panel-body">
<h5><span class="label label-primary">Answer</span></h5>
<p> Data are distributed under the <a href="https://opendatacommons.org/licenses/odbl/" target="_blank">OdBL</a> license (<a href="http://data.noise-planet.org/index.html">see the data page</a>). As long as you stick to this license, you are free to use the data. If you have specific needs (access to data flows for a city, specific processing, integration of NoiseCapture code into another application...), the easiest way is to contact us at <a href="mailto:[email protected]">[email protected]</a></p>
</div>
</div>
</div>
<div class="panel panel-default ">
<div class="panel-heading accordion-toggle collapsed question-toggle" data-toggle="collapse" data-parent="#faqAccordion" data-target="#question_size">
<h4 class="panel-title">
<a href="#" class="ing">Q: What is the size of a ZIP file that is sent to the server?</a>
</h4>
</div>
<div id="question_size" class="panel-collapse collapse" style="height: 0px;">
<div class="panel-body">
<h5><span class="label label-primary">Answer</span></h5>
<p> The file is minimized. For a measurement of 2 minutes, the size of the file is of the order of 24ko.</p>
</div>
</div>
</div>
</div>
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