Patent ID: 6166315
Filing Date: 2000-12-26
Classification: G09B,G10H,Y10S

Abstract:
A device for processing a microphone signal of a karaoke apparatus, comprising:an effect adding section which conducts an effect adding process wherein a signal in which a pitch is changed with respect to an input microphone signal or a signal which is appropriately corrected with respect to the input microphone signal is produced, the signal is added to the microphone signal, and a result of the addition is output;an echo adding section which conducts an echo adding process wherein an echo is added to an output signal of the effect adding section, and a result of the addition-is output;an effect on/off instructing section that instructs whether the microphone signal undergoes the effect adding process and then enters the echo adding section, or directly enters the echo adding section without undergoing the effect adding process; anda controlling circuit which, in accordance with effect on/off instructions of the effect on/off instructing section, turns on/off the effect adding process of the effect adding section, and, when an effect on instruction is given, reduces an additional amount of the echo which is to be added by the echo adding section, as compared with the case where an effect off instruction is given.