Patent ID: 8492635
Filing Date: 2013-07-23
Classification: G10H

Abstract:
1. A music sound generation apparatus for generating music-sound data based on sound source data, and outputting the music-sound data in synchronization with audio data obtained separately from the music-sound data, the apparatus comprising: a channel assigner configured to assign, out of a predetermined number of channels, at least one channel to the audio data and a plurality of channels to the music-sound data; a read control unit configured to read the audio data and the music-sound data in accordance with the assigned channels; and a signal processing unit configured to generate predetermined music by processing the read audio data and the read music-sound data through sound level control performed on each channel assigned to the audio data and each channel assigned to the music-sound data and through mixing processing performed on the audio data and the music-sound data, wherein when detecting no unoccupied channel, the channel assigner determines, as an unoccupied channel, a channel selected from channels excluding the at least one channel assigned to the audio data, and the signal processing unit performs sound elimination on the channel that has been determined as the unoccupied channel by the channel assigner.