Method and apparatus for managing modem sample rates on a...

Pulse or digital communications – Transceivers – Transmission interface between two stations or terminals

Reexamination Certificate

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C375S222000, C375S356000, C375S355000

Reexamination Certificate

active

07664167

ABSTRACT:
An apparatus for managing modem sample rates within a direct access arrangement (DAA) circuit is disclosed. The DAA circuit includes a serial audio interface for providing communications between the DAA circuit and a host computer system. The serial audio interface is capable of operating under multiple serial communication interface standards, such as the AC '97 standard and the HD Audio standard. The DAA circuit also includes means for configuring the serial audio interface to transmit and receive modem samples at an audio sample rate higher than a modem sample rate of modem samples and at a predetermined bit size that is wider than a bit size of the modem samples, such that one bit of each of the modem samples is utilized to indicate the validity of each associated modem samples.

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