AudioScore Lite is the free audio transcription program included with Sibelius.
New in AudioScore Lite 7
AudioScore Lite now supports recognition of up to two simultaneous notes in CD tracks (instrument recognition, pitch bend editing, and MP3 support are not included).
Sing in music
Developed by Neuratron, creators of PhotoScore, AudioScore lets you input music into Sibelius simply by singing or playing an instrument—then hitting a button.
AudioScore Ultimate is the full-featured version of AudioScore Lite.