Audio To Midi Websites
Neuratron Music Scanning and Notation Software - Scan music and create performance-based scores
Scan music and create music scores by singing or playing into your computer using a microphone. Scanning requires scanner.
1,461,189 
$ 480.00
Digital Ear® wav to MIDI ( http://www.digital-ear.com/ ) [pitch to midi, wav to midi, voice to midi, wave to midi, midi guitar]
Digital Ear: Convert Audio (.wav) files to MIDI.
4,808,483 $ 240.00