Patent ID: 9549274
Date: 2017-01-17
CPC Classifications: H04R

Claim:
1. A sound processing apparatus comprising: a first sound collecting unit placed in a sound field and configured to collect a sound signal which is speech of a talker; a second sound collecting unit arranged to be movable to a position which is closer to the talker than the first sound collecting unit and configured to collect the sound signal; a transfer function estimating unit configured to estimate a transfer function in the sound field from a sound signal collected by the first sound collecting unit and a sound signal collected by the second sound collecting unit when the talker is at a predetermined position in the sound field; and a sound signal processing unit configured to perform a process of the sound signal by use of the transfer function estimated by the transfer function estimating unit, wherein the first sound collecting unit is arranged at a position where a direct or reflected sound of the talker can be collected, and the second sound collecting unit is arranged at a position where a direct sound of the talker can be collected.