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Rockbox Ports are now being developed for various digital audio players!

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Author Topic: Battery life vs. decoding speed  (Read 1157 times)

Offline lee321987

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Battery life vs. decoding speed
« on: April 18, 2008, 11:16:46 PM »
   I was looking at this page http://www.rockbox.org/twiki/bin/view/Main/CodecPerformanceComparison
and I was wondering...

   If I usually listen to a format that my player (flash not a HD) decodes at 200% realtime, would I double may battery life if I switched to a format that decodes at 400% realtime?  If not double, any significant increase?
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What are you waiting for? You're faster than this. Don't think you are... know you are. -- The Matrix

Offline Llorean

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Re: Battery life vs. decoding speed
« Reply #1 on: April 18, 2008, 11:33:27 PM »
Generally speaking, yes, the faster a format decodes, the better battery life it will get. Especially in flash players. In disk players, larger file sizes can offset some of the gain because the disk needs to be spun more. It won't double though, as the CPU is not the only thing draining power, nor is the codec the only code being run on the CPU.
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Offline lee321987

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Re: Battery life vs. decoding speed
« Reply #2 on: April 19, 2008, 12:37:09 AM »
   Thank you,

Will
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