公开(公告)号：US20210343307A1

公开(公告)日：2021-11-04

申请号：US17283398

申请日：2019-08-23

Applicant: SONY CORPORATION

Inventor： RYUICHI NAMBA ,  SEIJI MIYAMA ,  YOSHIHIRO MANABE ,  YOSHIAKI OIKAWA

IPC: G10L21/0216 ,  H04R1/32

Abstract: Noise suppression performance is enhanced by performing appropriate noise suppression suitable for an environment of noise. Noise dictionary data read out from a noise database unit on the basis of installation environment information including information regarding a type of noise, and an orientation between a sound reception point and a noise source is acquired. Then, noise suppression processing is performed on a voice signal obtained by a microphone arranged at the sound reception point, using the acquired noise dictionary data.