Wireless Digital Audio Music System

  • US 20110044466A1
  • Filed: 11/05/2010
  • Published: 02/24/2011
  • Est. Priority Date: 12/21/2001
  • Status: Active Grant
First Claim
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1. A wireless digital audio headphone comprising:

  • a portable digital audio headphone receiver configured to receive a unique user code bit sequence and a original audio signal representation in the form of packets, said portable digital audio headphone receiver comprising;

    a direct conversion module configured to capture said packets embedded in the received spread spectrum signal;

    a digital demodulator configured for independent CDMA communication operation;

    a decoder operative to decode reduced intersymbol interference coding of original audio signal representation;

    a digital-to-analog converter (DAC) generating an audio output of said original audio signal representation; and

    a module adapted to reproduce said generated audio output in response to the unique user code bit sequence being recognized.

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