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Personal broadcasting and viewing method of audio and video data using a wide area network

  • US 7,069,573 B1
  • Filed: 03/30/2000
  • Issued: 06/27/2006
  • Est. Priority Date: 12/09/1999
  • Status: Expired due to Term
First Claim
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1. A method for digital audio/video transmission to mobile computing devices including registering a client device with a server for receiving audio/video data in a useable format, the method comprising:

  • obtaining profile information associated with a selected format of a mobile client device at a server, the mobile client device receiving audio/video data from at least one of a plurality of source devices, the mobile client device being one of a plurality of mobile client devices, each of the mobile client devices being capable of receiving audio/video data in one of a plurality of selected formats;

    at the server, determining a processing program for the selected format from one of a plurality of processing programs, each of the plurality of processing programs being stored in a the server and each processing program being usable to convert the audio/video data to a format that is different from each other'"'"'s formats;

    connecting at least one of the plurality of source devices of audio/video data to the server, each of the source devices being capable of outputting audio/video data in one or more formats; and

    at the server, converting the audio/video data from its format to the selected format through the processing program in the server based at least in part on the profile information;

    transferring audio/video data in the selected format from the server to the mobile client device in a streaming session;

    at the server, determining dynamically changing channel characteristics, including computing channel bandwidth;

    at the server, updating the profile information during the streaming session, including updating the profile information based on dynamically changing channel characteristics and dynamically changing characteristics of the mobile client device; and

    at the server, adjusting the audio/video data being transferred to the mobile client device during the session and in response to the updated profile information, including server determination of appropriate audio/video data to send to the mobile client device based at least in part on the computed channel bandwidth and other channel characteristics that were determined by the server.

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