Power efficient batch-frame audio decoding apparatus, system and method
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United States of America Patent
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May 13, 2014
Grant Date -
Mar 12, 2009
app pub date -
Sep 4, 2008
filing date -
Sep 7, 2007
priority date (Note) -
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Abstract
Power savings in a mobile device is accomplished by generating audio samples by decoding a bitstream with a decoding system within the mobile device. The generated audio samples are transferred into at least one memory bank in a set of memory banks in a power saver block within the mobile device. Parts of the decoding system not involved in the storing of the generated audio samples are switched off after batch decoding a bitstream associated with multiple audio frames. The bitstream includes bits less than that found in one audio file. At least one of the memory banks in the set of memory banks is power collapsible. The fetching of the decoded by the decoding system can be synchronized with a paging channel of a modem in the mobile device. The transferred audio samples is a lossless compression and may occur after a re-encoding.
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