import wave

"""
    get wav file length
    return (sec)
"""
def get_duration(audio_path):
    audio = wave.open(audio_path)
    frames = audio.getnframes()
    rate = audio.getframerate()
    duration = frames / float(rate)
    return duration

한국어 코퍼스 용으로 만들 여자 성우 데이터
https://www.kaggle.com/bryanpark/korean-single-speaker-speech-dataset

1 directory
3181.8652380952417

2 directory
4937.858979591836

3 directory
18690.639682539717

4 directory

19475.879024943224

12.85 시간

참고:

https://stackoverflow.com/questions/7833807/get-wav-file-length-or-duration