Patent ID: 6916980
Filing Date: 2005-07-12
Classification: G10H,Y10S

Abstract:
1. An acoustic control system for an electronic musical instrument, comprising: a musical instrument body having a first speaker; a second speaker removable from said musical instrument body; designation means for designating one of a first speaker-use mode for using said first speaker alone and a both speaker-use mode for using both said first speaker and said second speaker, as a speaker use mode; storage means for storing first and second acoustic-characterizing factors different from each other, for use in setting acoustic characteristics in the first speaker-use mode and the both speaker-use mode, respectively; reading means for reading one of the first and second acoustic-characterizing factors, the one corresponding to the speaker use mode designated by said designation means; and musical tone signal-generating means for generating a musical tone signal to be reproduced through said first speaker or both said first speaker and said second speaker, based on the read one of the first and second acoustic-characterizing factors.