PROBLEM TO BE SOLVED: To provide a voice reproduction system which can suppress distortion of sound caused by an arbitrary amplifier and a speaker, and improve tone quality, and a voice signal detection device, a signal processing device, and a voice signal correction device used in the system.;SOLUTION: The voice reproduction system 1 detects a voice signal SB of the speaker 12 by the voice signal detection device 13, subtracts the voice signal SB from a reproduction voice signal by the signal processing device 14, creates a correction signal, performs addition of the correction signal to the reproduction voice signal, and supplies it to an amplifier 11.;COPYRIGHT: (C)2006,JPO&NCIPI
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