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ExtractMelspectrogram

wav 파일을 spectrogram 형태로 변경

librosa를 활용하여 MelSpectrogram을 추출하는 코드

  • librosa를 활용하여 melspectrogram을 추출
  • matplotlib를 통해서 spectrogram을 그리는 대신 해당 소스코드는 axis나 label을 다 제거한 순수한 melspectrogram만 추출

use get_melspectrogram_features

  • input_dir : 음원파일이 존재하는 디렉토리 경로를 설정
  • output_dir : 추출된 melspectrogram을 png 파일로 저장할 디렉토리 이름
  • sample_rate : sample_rate

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