Upload a song, a rehearsal recording, or a voice memo. What comes back is notation — the same thing a person would write down if they sat with the track and a pencil.
That is exactly how it used to work. To transcribe music by ear, you play four bars, pause, write, rewind, and do it again for an hour or more. An audio to sheet music converter does that listening pass for you. Music transcription AI separates pitch from noise, groups notes into bars, and lays the result on a staff, so the road from music to sheet music that used to take an afternoon now takes one upload.
Two things are worth knowing before you start. First, an audio to sheet music transcription is a reading of a performance, not a copy of the original score — swing, rubato, and ornaments all have to be interpreted into notation. Second, clean recordings read better than crowded ones, which is true of every tool in this category, including ours.