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mel_spectrogram_

기존 audio 파일 mel_spectrogram파일인 npy파일로 변환하도록 만듬.

2022.11 wav2mel.py 파일 생성.

2023.04.07 wav2mel_ESC-50.py 파일 생성.

기존 ESC-50 meta 데이터 csv로부터 파일을 나누어 저장하게 코드생성.

2023.04.09 wav2mel_FSD.py 파일 생성.

ESC-50과 같이 meta 데이터 csv로부터 파일을 나누어 저장하지만 label이 두개씩 있는 경우가 있어서 두개 생성 후 각각 해당파일이 들어가도록 생성.

2023.07.27 extract_acav2.ipynb

  • acav100m에서 제공한 20k,200k 크기의 json파일의 경로에 맞춰 youtube로부터 영상을 다운할 수 있는 코드.

2023.09.26 mkaudioset.py

  • audioset downlaod code.
  • root_path : download folder path
  • labels : select class
  • download_type : 'unbalanced_train','balanced_train','eval'
  • n_jobs : the number of parallel downloads. default is 1. (use multi gpu > 1)
  • copy_and_replicate : associated to mulible class is True, If asscociated to the first class in the list is Flase.
  • format : vorbis, wav, mp3, m4a, flac, opus, webm

2023.10.13 Downloader.py

  • mkaudioset.py에서 from audioset_download improt Downloader를 통해 audioset다운로드용 라이브러리를 통해 받았는데, 해당 파일을 통해 기존의 저장된 파일경로를 저장한 csv파일을 제외하고 받고 싶을때, 이용하는 custom download code.

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