| 摘要 |
PURPOSE:To prevent a sound radiation state even when musical performance information having no key release information is reproduced. CONSTITUTION:In a musical sound stopping process, 14 as a polyphonic number is set to a variable Ch. indicating a sound source channel (S901). It is judged whether the sound source channel that the variable Ch. indicates is ON or not (S903). When it is judged that the sound source channel that the variable Ch. indicates is ON, it is judged whether a gate time that the variable Ch. of a gate time counter C indicates is zero (S905). When it is judged that the gate time that the variable Ch. indicates is zero, a muting process is performed (S907). Namely, when it is judged that the gate time that the variable Ch. indicates is zero, zero as an illegal signal showing an infinite-length time is considered to be stored as the gate time of music data A and the sound source channel is placed in a sound radiation channel unless the muting process is performed at S907. |
