Title:
ACOUSTIC SYSTEM
Document Type and Number:
Japanese Patent JP2013192046
Kind Code:
A
Abstract:
To cause a listener to recognize an audible sound field range of voice in an acoustic system that changes directivity of the voice by using a parametric speaker.
An acoustic system 10 comprises: an audible sound output speaker 180; a parametric speaker 280; an output destination switching section 130 for switching an output destination of voice; and an irradiating section 400 that irradiates a second irradiation range LAn with light in response to switchover to the parametric speaker 280 while irradiating a first irradiation range LAw with light in response to switchover to the audible sound output speaker 180.
Inventors:
TAKAHASHI EIZO
HATTORI SHINJI
MIYOSHI KAZUHIRO
MATSUZAWA NAHOKO
HATTORI SHINJI
MIYOSHI KAZUHIRO
MATSUZAWA NAHOKO
Application Number:
JP2012056951A
Publication Date:
September 26, 2013
Filing Date:
March 14, 2012
Export Citation:
Assignee:
SEIKO EPSON CORP
International Classes:
H04R3/12; F21S2/00; F21V14/02; F21V14/04; F21V14/06; H04R3/00; F21Y101/00; F21Y101/02
Attorney, Agent or Firm:
Masahiko Ueyanagi
Osamu Suzawa
Kazuhiko Miyasaka
Osamu Suzawa
Kazuhiko Miyasaka