MUSICAL TONE GENERATOR AND PROGRAM FOR MUSICAL TONE GENERATION PROCESSING

摘要

PROBLEM TO BE SOLVED: To prevent the noise generated by the radio waves from a cellular phone from being produces even when a communication is performed by connecting the cellular phone to a musical tone generator. SOLUTION: A CPU 1 stops output processing from an amplifier 9 to a speaker 10 by sending a control signal from a port A of an I/O port 7 through an inverter 13 to a control terminal 9a of the amplifier 9 in the period when information is received from the Internet through the cellular phone 12 accessed by a cellular phone I/F 11.