バイナリをwavに変換するやつ

bin2wav.py

# -*-encoding:utf-8-*-

import sys
import wave


def bin2wav(filedata, filename, channels=2, sampwidth=2, framerate=14400, nframe=0, comptype='NONE', compname='not compressed'):
    w = wave.Wave_write(filename)
    p = (channels, sampwidth, framerate, nframe, comptype, compname)
    w.setparams(p)
    w.writeframes(filedata)
    w.close()

if __name__ == '__main__':
    f = open(sys.argv[1] ,'rb')
    filename = sys.argv[1].split('.')[0] + '.wav'
    data = f.read()
    nframe = len(data) // 2
    bin2wav(filedata=data, filename=filename, nframe=nframe)
    f.close()