Tonality detection technology is a small part of WIDI Recognition System, a complete Audio To MIDI desktop solution:
Free trial download is available.
Learn more...Widisoft company develops software for sound and music processing, including Audio to MIDI VST and AU plugins.
Key detection service is provided by Widisoft without any warranties. Contact us at support@widisoft.com .
This service is currently in BETA. Bugs or strange behavior may exist.