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1. (WO2017033878) SOUND EMISSION AND COLLECTION DEVICE

Pub. No.:    WO/2017/033878    International Application No.:    PCT/JP2016/074340
Publication Date: Fri Mar 03 00:59:59 CET 2017 International Filing Date: Tue Aug 23 01:59:59 CEST 2016
IPC: H04R 1/02
H04R 1/06
Applicants: YAMAHA CORPORATION
ヤマハ株式会社
Inventors: NAKATSUKASA, Hitoshi
中務仁
Title: SOUND EMISSION AND COLLECTION DEVICE
Abstract:
A sound emission and collection device (1) is provided with a speaker system (50), a microphone (60), and a housing (10) that accommodates the speaker system (50) and the microphone (60) in separate spaces. The housing (10) is provided with sealing partition walls (21, 31) that form a speaker accommodation space (201) and through holes (HL23) provided to the sealing partition walls (21, 31). The distance (L(EX)) from the through holes (HL23) to the exterior of the housing (10) is shorter than the distance (L(MIC)) from the through holes (HL23) to the microphone (60).