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Variable frequency decoding apparatus for efficient power management in a portable audio device

  • US 20050091052A1
  • Filed: 01/16/2004
  • Published: 04/28/2005
  • Est. Priority Date: 10/14/2003
  • Status: Abandoned Application
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1. A variable frequency decoding apparatus for efficient power management in a portable audio device, comprising:

  • a decoder which simultaneously outputs audio information including a bit rate and a sampling frequency of a data frame to a clock generator when audio compressed data is received, wherein the clock generator has an input connected to the decoder for receiving the audio information, such that an operation frequency of the sys clock can be changed to match the sampling frequency and the bit rate of the data frame for decoding with optimal performance.

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