Rockbox Ports are now being developed for various digital audio players!
With 48 kHz your runtime from battery will be less for ~8%.
If you don't mind me asking, what causes the consumption to rise by 8% ? Assuming we're comparing two FLACs, one at 44.1k and one at 48k.
Would it be also possible to implement automatic switching based on source file sampling rate?
Quote from: asymsucon on February 01, 2017, 03:47:19 PMIf you don't mind me asking, what causes the consumption to rise by 8% ? Assuming we're comparing two FLACs, one at 44.1k and one at 48k.As audio stream (compressed and decompressed) will be bigger for 8%.We have quite big overhead even on playing wav: http://forums.rockbox.org/index.php/topic,51184.0.htmlDAC also consume more power on bigger frequency.
I don't think the actual hit to battery life will be 8% though, since some power will be consumed no matter what (nand, Dram, etc).
It would be easy to battery bench if anyone is interested in trying. Just get a 44.1k album and a 48k album and run the battery bench plugin twice.
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