Rockbox General > Rockbox General Discussion
Battery life on FLAC 0 and FLAC 8 ...
AlexP:
--- Quote from: DefineByte on August 16, 2007, 11:37:04 AM ---
--- Quote from: stuffedspacedog on August 16, 2007, 11:14:31 AM ---MPC runs very efficiently on Rockbox (whereas Vorbis doesn't), so you get both low disk usage and low CPU usage.
If you're running Rockbox on an iPod of some description, the latest patches improve the performance of the MPC decoder even further.
--- End quote ---
I'm using Vorbis at the moment. Is it really a noticeable difference?
--- End quote ---
It depends on the player. For instance some formats are more efficient on Coldfire than on PortalPlayer and vice versa
DefineByte:
I should have said; it's on an iPod Video.
Dixie Flatline:
FLAC level 8 should, without qualification, use less power. FLAC is designed so that all compression levels take the same amount of CPU power to decode. FLAC level 8 takes much longer to encode than level 0, because it's searching a much larger set of possibilities to find the optimal compression algorithm for the input audio, but it will take no longer to decode than the level 0 sample.
saratoga:
--- Quote from: DefineByte on August 16, 2007, 11:45:23 AM ---I should have said; it's on an iPod Video.
--- End quote ---
I think mpc will be faster on everything, but vorbis is pretty fast too on teh ipod.
DefineByte:
If it's 'pretty good' I don't think I'll bother re-encoding all my music.
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