SOUND INPUT/OUTPUT DEVICE, HEARING AID, SOUND INPUT/OUTPUT METHOD, AND SOUND INPUT/OUTPUT PROGRAM

Title:

SOUND INPUT/OUTPUT DEVICE, HEARING AID, SOUND INPUT/OUTPUT METHOD, AND SOUND INPUT/OUTPUT PROGRAM

Document Type and Number:

WIPO Patent Application WO/2020/137654

Kind Code:

A1

Abstract:

The purpose of the present invention is to generate a high quality main sound signal by performing both noise cancellation and echo cancellation. This sound input/output device comprises: a noise acquiring unit which is disposed facing the outside of the body of a user and acquires external noise coming from the outside of the user; a sound output unit which receives an input of a sound signal and outputs an output sound to the external auditory canal of the user; a main sound acquiring unit which acquires a mixed sound comprising a mixture of the external noise, the output sound, and a main sound of the user transmitted from the vocal cords of the user through the external auditory canal, and outputs a mixed sound signal; a noise cancellation unit which processes the mixed sound signal using a noise signal based on the external noise; and an echo cancellation unit which processes the mixed sound signal using the sound signal.

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Inventors:

OOSUGI KOUJI (JP)
ARAKAWA TAKAYUKI (JP)
SUGIYAMA AKIHIKO (JP)
MIYAHARA RYOJI (JP)

Application Number:

PCT/JP2019/049173

Publication Date:

July 02, 2020

Filing Date:

December 16, 2019

Export Citation:

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Assignee:

NEC CORP (JP)
NEC PLATFORMS LTD (JP)

International Classes:

H04R1/10; G10K11/178; H04R3/02; H04R25/00

Foreign References:

CN108429950A	2018-08-21
JP2002076998A	2002-03-15
JP2017515149A	2017-06-08
US20170221501A1	2017-08-03
JP2018248765A	2018-12-28
JP2015061115A	2015-03-30
JP2017011754A	2017-01-12

Other References: