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Bit stream conversion system

  • US 8,345,709 B2
  • Filed: 06/16/2002
  • Issued: 01/01/2013
  • Est. Priority Date: 06/16/2001
  • Status: Active Grant
First Claim
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1. A method for converting a first synchronous compressed bit-stream frame of data at a first sampling rate to a second synchronous compressed bit-stream frame of data at a second sampling rate, the method comprising:

  • receiving the first synchronous compressed bit-stream frame of data;

    determining a format for the first compressed bit-stream frame where the first compressed bit-stream frame has a frame length and the first compressed bit-stream frame includes a data-burst section having a preamble section and a payload section having a payload length and a stuffing section having a stuffing length, where the preamble section includes a synchronization word, and where determining the format includescomparing the synchronization word to a predefined value to determine if a match is found;

    starting a counter in response to the synchronization word comparison;

    determining the first sampling rate;

    zero stuffing the stuffing section responsive to determining the format to convert the first synchronous compressed bit-stream frame of data to the second synchronous compressed bit-stream frame of data; and

    transmitting the second synchronous compressed bit-stream frame of data at the second sampling rate.

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