Sound Signal Conversion Device, Musical Instrument, Sound Signal Conversion Method and Non-Transitory Computer Readable Medium Storing Sound Signal Conversion Program

摘要

A sound signal conversion device includes a supplier. The supplier supplies a periodic change to an input sound signal and outputs the sound signal to which the periodic change is supplied. The supplier includes a phase determiner that determines a phase at which the periodic change supplied to the sound signal starts based on initial phase information when receiving a start instruction for starting supply of the periodic change to the sound signal.