Python pydub.exceptions.couldntdecodecode错误：cand'；在wav数据中找不到fmt头

我正试图将音频文件制作成块并转换成文本，但pydub拒绝读取我的wav文件。 这是密码

#from speakerDiarization import main,fmtTime
from pydub import AudioSegment
import os
from speech_to_text import wav_to_text

meet_audio = 'UK.wav'
out_file = r'test.txt'
#spkrs = main(meet_audio)

spkrs = {0: [{'start': 0, 'stop': 6000}, {'start': 15000, 'stop': 15500}], 
1: [{'start': 6000, 'stop': 11000}, {'start': 15500, 'stop': 18500}, {'start':27500, 'stop': 34500}], 
2: [{'start': 11000, 'stop': 15000}, {'start': 18500, 'stop': 27500}, {'start': 34500, 'stop': 41000}]}

new_dict = {}
for spkr in spkrs:
    for i in range(len(spkrs[spkr])):
        new_dict[spkrs[spkr][i]['start']] = [spkr,i]
new_dict = sorted(new_dict)

audio = AudioSegment(meet_audio)

for i in new_dict:
    spkr,ind = new_dict[i][0],new_dict[i][1]
    start,end = spkrs[spkr][ind]['start'],spkrs[spkr][ind]['stop']
    chunk = audio[start:end]
    chunk_file = 'Chunks\chunk'+str(spkr)+str(ind)+'.wav'
    chunk.export(chunk_file,format='.wav')
    wav_to_text(chunk_file,out_file,spkr)

输出：

(sprk-diaz) H:\Btech-Proj\Speaker_Diarization>split_audio.py
H:\Btech-Proj\Speaker_Diarization\sprk-diaz\lib\site-packages\pydub\utils.py:170: RuntimeWarning: Couldn't find ffmpeg or avconv - defaulting to ffmpeg, but may not work
  warn("Couldn't find ffmpeg or avconv - defaulting to ffmpeg, but may not work", RuntimeWarning)
Traceback (most recent call last):
  File "H:\Btech-Proj\Speaker_Diarization\split_audio.py", line 20, in <module>
    audio = AudioSegment(meet_audio)
  File "H:\Btech-Proj\Speaker_Diarization\sprk-diaz\lib\site-packages\pydub\audio_segment.py", line 222, in __init__
    wav_data = read_wav_audio(data)
  File "H:\Btech-Proj\Speaker_Diarization\sprk-diaz\lib\site-packages\pydub\audio_segment.py", line 114, in read_wav_audio
    raise CouldntDecodeError("Couldn't find fmt header in wav data")
pydub.exceptions.CouldntDecodeError: Couldn't find fmt header in wav data

（sprk diaz）H:\Btech Proj\Speaker\u dialization>split\u audio.py
H:\Btech Proj\Speaker\u dialization\sprk diaz\lib\site packages\pydub\utils.py:170：运行时警告：找不到ffmpeg或avconv-默认为ffmpeg，但可能无法工作
警告（“找不到ffmpeg或avconv-默认为ffmpeg，但可能不起作用”，RuntimeWarning）
回溯（最近一次呼叫最后一次）：
文件“H:\Btech Proj\Speaker\u dialization\split\u audio.py”，第20行，在
音频=音频段（满足音频）
文件“H:\Btech Proj\Speaker\u dialization\sprk diaz\lib\site packages\pydub\audio\u segment.py”，第222行，在uu init中__
wav_数据=读取wav_音频（数据）
文件“H:\Btech Proj\Speaker\u dialization\sprk diaz\lib\site packages\pydub\audio\u segment.py”，第114行，以read\u wav\u audio格式
raise COULDNTDECODERROR（“在wav数据中找不到fmt头”）
pydub.exceptions.CouldntDecodeError:在wav数据中找不到fmt头

我不知道出了什么问题，请解决一下。 多谢各位

我的音频文件：大约40秒