发明名称 MUSICAL SOUND GENERATING DEVICE
摘要 PROBLEM TO BE SOLVED: To provide a musical sound generating device which is small in circuit scale and inexpensive without requiring any extra circuit such as a latch for adjusting the output timing of parameters used for musical sound generation. SOLUTION: A common RAM 7 has sound generation data areas as many as sound generation channels and stores plural kinds of musical sound parameter by the areas. A control part 1 allocates sound generation channels according to a sound generation indication made by operating a keyboard 2 and writes the sound generation parameters corresponding to a musical sound to be generated in the sound generation data areas corresponding to the allocated sound generation channels. A sound source part 5 generates the musical sound through time-division channel operation, determined by dividing sampling cycles, in every certain sampling cycles according to the musical sound parameters in the sound generation data area. This sound source part 5 has plural circuits for performing processes in specific order for musical sound generation, and reads the musical sound parameters out of the sound generation data area corresponding to different sound generation channels by the kinds at each period of each time-division channel and supplies them to respective circuits.
申请公布号 JPH09204180(A) 申请公布日期 1997.08.05
申请号 JP19970010696 申请日期 1997.01.23
申请人 YAMAHA CORP 发明人 ABE YASUNAO;MIYATA SATOSHI
分类号 G10H1/18;G10H1/02;G10H1/24;G10H7/02 主分类号 G10H1/18
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