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Enhancing a rendering system to distinguish presentation time from data time

  • US 9,035,954 B2
  • Filed: 11/23/2011
  • Issued: 05/19/2015
  • Est. Priority Date: 12/12/2000
  • Status: Expired due to Term
First Claim
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1. An enhancement system for enhancing an original rendering system which renders temporal sequence presentation data, the original rendering system including a current time parameter but not including distinct presentation time and data time parameters, the enhancement system comprising:

  • at least one computer processor;

    at least one non-transitory computer-readable medium comprising computer program instructions stored thereon, wherein the computer program instructions are executable by the at least one computer processor to produce an enhanced rendering system by;

    (A) monitoring values of a presentation rate parameter that may vary over time, the presentation rate parameter representing a current rate at which the portion of the temporal sequence presentation data is being rendered;

    (B) interpreting a value of the current time parameter as a value of a data time parameter; and

    (C) identifying, based on the values of the presentation rate parameter and the value of the data time parameter, a presentation time parameter value representing an amount of time required to render the portion of the temporal sequence presentation data at the current rate;

    wherein, in the enhanced rendering system, the value of the presentation time parameter differs from the value of the data time parameter.

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