Choral AI stem separation
Separate ensemble recordings into soprano, alto, tenor, and bass.
Cantor is a browser-based audio tool that turns a mixed vocal harmony
recording into four downloadable SATB stems for study, rehearsal
preparation, transcription, and research.
Request beta access
Read the complete product guide
How Cantor works
- Upload WAV, FLAC, MP3, M4A, OGG, or OPUS audio, or use a supported YouTube link.
- Select the voices and the part of the recording that you need.
- Preview, download, and rehearse with the separated SATB stems.
Hear a real separation
Listen to an actual 30-second Cantor result using source audio from the
Cantoría Dataset.