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Wireless Digital Audio Music System

  • US 20120128171A1
  • Filed: 01/24/2012
  • Published: 05/24/2012
  • Est. Priority Date: 12/21/2001
  • Status: Active Grant
First Claim
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1. A mobile wireless digital audio receiver, configured to receive a unique user code and a original audio signal representation in the form of packets, said unique user code configured to spread the spectrum of said signal and further configured for independent communication operation, the wireless digital audio receiver further configured to be directly communicable with a mobile digital audio transmitter, said mobile wireless digital audio receiver comprising:

  • a direct conversion module configured to capture packets and a correct bit sequence within the packets aided by lowering signal detection error through reduced intersymbol interference coding of said audio representation signal respective to said mobile wireless digital audio receiver and said mobile digital audio transmitter, said packets embedded in the received spread spectrum signal, the captured packets corresponding to the unique user code;

    a decoder operative to decode reduced intersymbol interference coding of said original audio signal representation, said audio having been wirelessly transmitted and reproduced virtually free from interference from device transmitted signals operating in the wireless digital audio receiver spectrum.

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