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System and method for supplying supplemental audio information for broadcast television programs

  • US 8,756,644 B2
  • Filed: 02/06/2013
  • Issued: 06/17/2014
  • Est. Priority Date: 03/21/1997
  • Status: Expired due to Fees
First Claim
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1. A method of providing supplemental information, comprising:

  • receiving, via a network, by a service controller device and from a first user device, a request for information supplemental to video being displayed by a second user device, the video not being output by the first user device and the request comprising an indication of synchronization information associated with the video being displayed by the second user device;

    determining, by the service controller device and based at least in part on the synchronization information, the information supplemental to the video being displayed by the second user device; and

    providing, by the service controller device and to the first user device, the information supplemental to the video being displayed by the second user device.

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