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audio_sandbox

Micで音を拾う: python-sounddevice, (pyaudio)) - Mic -> stream

拾った音を系列にする: python-sounddevice, (pyaudio) - stream -> np.ndarray

系列を貯める:list.append

Micで音拾いをやめる: python-sounddevicd, (pyaudio)

ファイルから系列を読む: soundfile,wave - file -> np.ndarray

貯めた系列を - ファイルに保存する(np.ndarray -> file): sounddfile, audioread - キャリアに変調する(np.ndarray -> np.ndarray) - 整形する(np.ndarray -> np.ndarray) - 解析する: librosa

音を再生する - ファイルを再生する (file->Sp): IPykernel.Audio - ファイルからreadframeして,streamに流し,pyaudioでスピーカにつなげる - pyaudio(SpPointer=pyaudio.PyAudio(), stream = SPPointer.open

portaudioのpythonバインディング

古いために,低遅延のASIOに対応していない.python3.7以上非対応

python-sounddeviceに乗り換えよう.

FAQ

  • python-sounddeviceは
  • pyaudioはportaudioのportaudio.hが必要
  • soundfileはlibsndfileのsndfile.hが必要
  1. sudo find / -name "xxx.h" でincludeパスを見つける-> {prefix}/include/xxx.h
  2. `pip install --global-option='build_ext' --global-option='-I{prefix}/include' --global-option='-L{prefix}/lib' pyaudio

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