System and method for dynamic sound delivery

Details System and method for dynamic sound delivery System and method for dynamic sound delivery

2008-05-02

2011-12-27

Tran, Minh-Loan T (Department: 2826)

Electrical audio signal processing systems and devices

Monitoring of sound

Amplification control responsive to ambient sound

C381S104000, C381S106000

Reexamination Certificate

active

08085941

ABSTRACT:
A dynamic range manipulation system, for use for example in an audio playback system such as a two-way communication system, mobile telephone, MP3 player, and the like, obtains a measure of ambient noise at the playback location and adjusts the gain of the drive signal provided to the loudspeaker based on this measure and based on the audio signal to be played back.

REFERENCES:
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patent: 6970558 (2005-11-01), Schmidt
patent: 7302062 (2007-11-01), Christoph
patent: 8005231 (2011-08-01), Shuttleworth et al.
patent: 2003/0223597 (2003-12-01), Puria et al.
PCT International Search Report from PCT/US2009/042629 dated Jun. 25, 2009.
Examiner's first report issued in Australia patent application 2009242464 dated Aug. 12, 2011.

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