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Step 1. Prepare for processing

Step 1.1 get FFMPEG

  • Download ffmpeg from ffmpeg, you should select Static linking and get a zip file.
  • extract the zip file into ffmpeg folder, so that there exists ffmpeg/bin/ffmeg.exe.

Step 1.2 get SOX

  • Download sox from SOund eXchange, you should get a zip file.
  • extract zip file into the sox folder. so that there exists sox/sox.exe.

Step 1.3 specify the path to ffmpeg and sox

  • On MacOSX, you can substitude Step 1.1, 1.2 by brew install ffmpeg sox
  • edit user_config.py and make sure the FFMPEG_PATH and SOX_PATH is correct.

Step 2. Uniforming Audio files with same *.wav format:

python3 ./convert_file.py ./rawfile/

Step 3. Output spectrogram and waveform images

Step 3.1 Convert wavfiles to spectrogram

python3 wavfile2spectrum.py ./wavfile/

  • put spectrograms into images/spectrum/

Step 3.2 Convert wavfiles to waveform

python3 wavfile2waveform.py ./wavfile/

  • put waveforms into images/waveform/

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