Patent ID: 9743214
Date: 2017-08-22
CPC Classifications: H04R,H04S

Claim:
1. A sound processing apparatus, comprising: a processing unit including an indirect sound adjuster and a frequency characteristic adjuster, the processing unit being configured to acquire an audio signal, to perform a correction processing on the acquired audio signal and to output the correction-processed audio signal to a sound emitting unit, the correction processing on the acquired audio signal including an indirect sound adjusting processing, by the indirect sound adjuster, to adjust an influence of an indirect sound to be heard at a sound receiving point among a sound emitted by the sound emitting unit, and a frequency characteristic adjusting processing, by the frequency characteristic adjuster, in which a frequency characteristic is adjusted to suppress a change caused by the indirect sound adjusting processing, wherein a frequency characteristic for the frequency characteristic adjusting processing is such that a frequency characteristic of a first impulse response at the sound receiving point in a case where both the indirect sound adjusting processing and the frequency characteristic adjusting processing are performed comes closer to a frequency characteristic of a second impulse response at the sound receiving point in a case where neither the indirect sound adjusting processing nor the frequency characteristic adjusting processing is performed, as compared with a frequency characteristic of a third impulse response at the sound receiving point in a case where the indirect sound adjusting processing is performed but the frequency characteristic adjusting processing is not performed.