Invention Grant
- Patent Title: Audio reproduction device and audio-video reproduction system
- Patent Title (中): 音频再现设备和音视频再现系统
-
Application No.: US12867128Application Date: 2009-02-06
-
Publication No.: US08411884B2Publication Date: 2013-04-02
- Inventor: Shoji Tanaka , Ryo Ogasawara
- Applicant: Shoji Tanaka , Ryo Ogasawara
- Applicant Address: JP Osaka
- Assignee: Panasonic Corporation
- Current Assignee: Panasonic Corporation
- Current Assignee Address: JP Osaka
- Agency: Wenderoth, Lind & Ponack, L.L.P.
- Priority: JP2008-032847 20080214
- International Application: PCT/JP2009/000463 WO 20090206
- International Announcement: WO2009/101778 WO 20090820
- Main IPC: H04R5/02
- IPC: H04R5/02

Abstract:
An audio reproduction device and system are capable of realizing sounds having natural sound quality with no peculiarities, and provide an excellent audio-image ascending effect which is not varied due to differences among individual persons, thereby making audio images and images coincident with each other. A frequency characteristic correction portion forms a frequency characteristic such that a sound-pressure frequency characteristic of reproduced sound radiated to a viewing position from speakers has a first peak and a second peak, wherein the center frequency of the first peak falls within the range of 6 kHz±15%, and the center frequency of the second peak falls within the range of 13 kHz±20%.
Public/Granted literature
- US20110080531A1 AUDIO REPRODUCTION DEVICE AND AUDIO-VIDEO REPRODUCTION SYSTEM Public/Granted day:2011-04-07
Information query