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Revert "Delete Idct in init.config" #1608

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Merged
danpovey merged 1 commit into from
May 5, 2017
Merged

Revert "Delete Idct in init.config" #1608

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10 changes: 9 additions & 1 deletion egs/wsj/s5/steps/libs/nnet3/xconfig/basic_layers.py
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Original file line number Diff line number Diff line change
Expand Up @@ -998,7 +998,8 @@ def set_default_configs(self):
self.config = {'input': '[-1]',
'dim': -1,
'cepstral-lifter': 22.0,
'affine-transform-file': ''}
'affine-transform-file': '',
'write-init-config': True}

def check_configs(self):
if self.config['affine-transform-file'] is None:
Expand Down Expand Up @@ -1030,6 +1031,13 @@ def get_full_config(self):
output_dim = self.output_dim()
transform_file = self.config['affine-transform-file']

if self.config['write-init-config']:
# to init.config we write an output-node with the name 'output' and
# with a Descriptor equal to the descriptor that's the input to this
# layer. This will be used to accumulate stats to learn the LDA transform.
line = 'output-node name=output input={0}'.format(descriptor_final_string)
ans.append(('init', line))

idct_mat = common_lib.compute_idct_matrix(
input_dim, output_dim, self.config['cepstral-lifter'])
# append a zero column to the matrix, this is the bias of the fixed
Expand Down