{
  "error" : "Transcription a fracassat : comanda '['/home/martin/fastapi/transcription_service/subs_venv/bin/demucs', '--two-stems=vocals', '-d', 'cuda:1', '-o', '/home/martin/fastapi/fastapi_service,' '--filename', 'processed_{stem}.wav', '/tmp/tmpuj3n_9q1.mp3']' a retornat l'estat de sortida non nul 1."
}