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26 lines
505 B
26 lines
505 B
process:
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# extract kaldi fbank from PCM
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- type: fbank_kaldi
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fs: 16000
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n_mels: 80
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n_shift: 160
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win_length: 400
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dither: 0.1
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- type: cmvn_json
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cmvn_path: data/mean_std.json
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# these three processes are a.k.a. SpecAugument
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- type: time_warp
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max_time_warp: 5
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inplace: true
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mode: PIL
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- type: freq_mask
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F: 30
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n_mask: 2
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inplace: true
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replace_with_zero: false
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- type: time_mask
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T: 40
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n_mask: 2
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inplace: true
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replace_with_zero: false
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