MULTICHANNEL REPRODUCTION APPARATUS, AND SOUND VOLUME ADJUSTMENT METHOD FOR MULTICHANNEL REPRODUCTION APPARATUS

摘要

PROBLEM TO BE SOLVED: To provide a multichannel reproduction apparatus and a sound volume adjustment method for the multichannel reproduction apparatus whereby sound volumes outputted from respective speakers can accurately be matched with each other.;SOLUTION: The multichannel reproduction apparatus for receiving audio signals of a plurality of channels and supplying the received audio signals of a plurality of the channels to the speakers 111, 222, 333 respectively deposited to each channel is provided with: a test signal generator 4 for generating a test signal; and a speaker drive circuit for driving the speakers by using the test signal, and the speaker drive circuit is provided with: sound volume adjustment units 10, 20, 30 deposited to each channel; and a switching operation unit 6 for supplying the test signal to the speaker of one channel and supplying an inversion signal of the test signal to the speakers of the other channels.;COPYRIGHT: (C)2005,JPO&NCIPI