Rockbox General > Rockbox General Discussion
Clip+ and AAC
saratoga:
--- Quote from: OzziePants on July 05, 2010, 05:31:06 PM ---Would that means there isn't really a risk of damage/overheating/other problems playing back AAC+ files?
Only concern is that battery drain would be way higher, correct?
--- End quote ---
At the moment theres no frequency scaling, so you're always running at 240MHz.
Edit: 250->240MHz
OzziePants:
Hmm, I guess running at 250 MHz isn't a major problem then.
Thanks.
Hobbit5:
--- Quote from: saratoga on July 04, 2010, 02:28:59 PM ---
FWIW at the moment we don't have frequency scaling working on the clip+,
--- End quote ---
interesting information --> this means at the moment, codec and bitrate have no influence on battery drain, have it?
saratoga:
--- Quote from: Hobbit5 on July 19, 2010, 12:48:50 PM ---
--- Quote from: saratoga on July 04, 2010, 02:28:59 PM ---
FWIW at the moment we don't have frequency scaling working on the clip+,
--- End quote ---
interesting information --> this means at the moment, codec and bitrate have no influence on battery drain, have it?
--- End quote ---
As I said above, the difference is probably not as large without frequency scaling as it is with frequency scaling.
SheepCake:
--- Quote from: OzziePants on July 04, 2010, 09:32:01 PM ---That's fine. I doubt I'll be using HE AAC for music anyway. I mostly use it for audiobooks that I rip. I don't use Speex since it isn't as widely supported. Either way, great to hear AAC and MP3 are about the same.
--- End quote ---
I would suggest you try Ogg for your audio books, most audio books are mono or joint stereo, at q0 you will actually get 32Kbps range, and it encodes ALOT faster then aac, use the aoTuV 5.7 encoders for best results.
for lower hz range stuff you can go as low as q-2, Just a suggestion I have ALOT of audio books on my players/sd cards, and only use MP3 or AAC when the books already in that format at VERY low bitrate.
also Cook (RA) would be even better(im looking for a good encoding app to test for audio books in .ra format)
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