1. 실행

from pydub import AudioSegment

num = 27
path = f'./sample_data_1/원천데이터/쇼핑/업무처리/업무처리/쇼핑_{num}.m4a'
name = extract_filename(path)
audio = AudioSegment.from_file(path, format="m4a")

2. 에러

---------------------------------------------------------------------------
FileNotFoundError                         Traceback (most recent call last)
Cell In[2], line 53
     52 name = extract_filename(path)
---> 53 audio = AudioSegment.from_file(path, format="m4a")
     54 wavfilepath = f"./data_1/{name}.wav"
     55 audio.export(wavfilepath, format="wav")

File ~/data/kyungho/env/lib/python3.12/site-packages/pydub/audio_segment.py:728, in AudioSegment.from_file(cls, file, format, codec, parameters, start_second, duration, **kwargs)
    726     info = None
    727 else:
--> 728     info = mediainfo_json(orig_file, read_ahead_limit=read_ahead_limit)
    729 if info:
    730     audio_streams = [x for x in info['streams']
    731                      if x['codec_type'] == 'audio']

File ~/data/kyungho/env/lib/python3.12/site-packages/pydub/utils.py:274, in mediainfo_json(filepath, read_ahead_limit)
    271         file.close()
    273 command = [prober, '-of', 'json'] + command_args
--> 274 res = Popen(command, stdin=stdin_parameter, stdout=PIPE, stderr=PIPE)
    275 output, stderr = res.communicate(input=stdin_data)
    276 output = output.decode("utf-8", 'ignore')

File ~/miniconda3/lib/python3.12/subprocess.py:1026, in Popen.__init__(self, args, bufsize, executable, stdin, stdout, stderr, preexec_fn, close_fds, shell, cwd, env, universal_newlines, startupinfo, creationflags, restore_signals, start_new_session, pass_fds, user, group, extra_groups, encoding, errors, text, umask, pipesize, process_group)
...
-> 1955     raise child_exception_type(errno_num, err_msg, err_filename)
   1956 else:
   1957     raise child_exception_type(errno_num, err_msg)

FileNotFoundError: [Errno 2] No such file or directory: 'ffprobe'

3. 해결방법

sudo apt install ffmpeg

참조: https://stackoverflow.com/questions/57350259/filenotfounderror-errno-2-no-such-file-or-directory-ffprobe-ffprobe