Method and apparatus for matching key between a reproducing music and a performing music

摘要

key (key) between the instrument and the music you want to play music from an audio source that plays automatically matching automatic key matching method and device between the music and play the music playback is disclosed . The present invention relates to the automatic key matching method between the music and play the music reproduction , the process of detecting the key information from the audio signal to be reproduced from the storage medium or the audio source , the process of detecting a key information from a user playing the acoustic signal , the detected to match the key of notes played in the audio source to be detected and the key includes the step of moving action .