drumscript.audio_processor.stem_splitter.extract_drum_stem

extract_drum_stem(audio_path: str, output_dir: str = None) → str

Legacy wrapper for the transcription pipeline. Separates a full audio track using the Demucs command-line tool and returns the file path to the isolated drum stem.

Parameters:

audio_path (str) – The file path to the user’s full song.

Returns:

The file path to the extracted ‘drums.wav’ stem.

Return type:

str