Dynamically selecting CODECS for managing an audio message

Details Dynamically selecting CODECS for managing an audio message Dynamically selecting CODECS for managing an audio message

2005-05-13

2010-10-26

Yao, Kwang B (Department: 2473)

Multiplex communications

Diagnostic testing

Determination of communication parameters

C370S247000, C370S241000, C370S253000

Reexamination Certificate

active

07821953

ABSTRACT:
A system, method, and apparatus are directed towards a system, method, and apparatus for managing a communication session by dynamically selecting a CODEC. A client device requests a communication session with a receiver device. If available, historical information may be used to establish an initial CODEC and its associated sampling frequency for the communication session. Signals, such as a white noise signal, and/or a ring tone may be sent between the client device and the receiver to determine a metric for the communication session. The metric may be used to adjust the CODEC and/or its sampling frequency for the communication session. In one embodiment, if it is determined that the sampling frequency is less than a minimum determined value, a message may be sent to the client device advising that the current communication session be terminated.

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ITU-T H.225, “Infrastructure of Audiovisual Services—Transmission Multiplexing and Synchronization”, Jul. 2003, ITU-T, all pages.

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