\MockingBird-main\synthesizer\preprocess.py", line 74, in preprocess_dataset
for speaker_metadata in tqdm(job, dataset, len(speaker_dirs), unit="speakers"):
File "C:\Users\Administrator\anaconda3\lib\site-packages\tqdm\std.py", line 1195, in iter
for obj in iterable:
File "C:\Users\Administrator\anaconda3\lib\multiprocessing\pool.py", line 870, in next
raise value
audioread.exceptions.NoBackendError