Invention Grant
US08175285B2 Audio player apparatus having sound analyzer and its control method
有权
具有声音分析仪的音频播放器及其控制方法
- Patent Title: Audio player apparatus having sound analyzer and its control method
- Patent Title (中): 具有声音分析仪的音频播放器及其控制方法
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Application No.: US12365453Application Date: 2009-02-04
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Publication No.: US08175285B2Publication Date: 2012-05-08
- Inventor: Noriaki Suzuki
- Applicant: Noriaki Suzuki
- Applicant Address: JP Tokyo
- Assignee: Canon Kabushiki Kaisha
- Current Assignee: Canon Kabushiki Kaisha
- Current Assignee Address: JP Tokyo
- Agency: Canon USA Inc IP Division
- Priority: JP2008-023471 20080204
- Main IPC: H03G3/00
- IPC: H03G3/00

Abstract:
An audio player apparatus includes a first speaker disposed to output a sound from a front face of a flat panel television apparatus to the outside, a second speaker disposed to output a sound from a backside of the flat panel television apparatus to the outside, a microphone disposed on the backside of the flat panel television apparatus to receive the sound output from the second speaker and to convert the received sound into an electric signal, an analysis unit configured to detect a reflected sound and reflection time of the sound output from the second speaker based on a second audio signal supplied to the second speaker and the electric signal output from the microphone, and a phase correction unit configured to correct a phase of at least one of a first audio signal supplied to the first speaker and the second audio signal based on the reflection time.
Public/Granted literature
- US20090196440A1 AUDIO PLAYER APPARATUS AND ITS CONTROL METHOD Public/Granted day:2009-08-06
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