Support and General Use > Hardware
[Clip+, Clip Zip, ClipV2, FuzeV2] Improve battery life, part 2
asymsucon:
[Submodel:]
AMSv2 variant 1
Edit: Output is notably increased with this mod. 1041mVrms with no distortion. Bravo!
Battery seems to be reporting about the same values as before, though no testing was done yet.
Mihail Zenkov:
Try this: http://knk.square7.ch/cvdd2/rockbox-clip+-cvdd2_scaling-1.zip - less power saving but probably more stability.
--- Quote from: asymsucon on January 02, 2017, 05:58:25 AM ---Edit: Output is notably increased with this mod. 1041mVrms with no distortion. Bravo!
--- End quote ---
Good :) But be warned: at >0 dB it consume more power than current rockbox.
--- Quote from: asymsucon on January 02, 2017, 05:58:25 AM ---Battery seems to be reporting about the same values as before, though no testing was done yet.
--- End quote ---
We are can't directly measure battery consumption from firmware. We do battery runtime testing and than just set this value to firmware.
So only battery runtime testing can show right value.
asymsucon:
My apologies, the previous build is working OK as long as the frequency is set to 48kHz while playing Opus.
I had it set to 44.1kHz to mitigate the pitch problem from another thread. I switched it back and it's much more responsive.
Nevertheless I'll try this updated version and report back.
asymsucon:
scaling-1 now works fine even with extra resampling in the way (48k->44.1k)
johnb:
clip+ variant1, still reporting on the first build: works ok when running mp3 from internal memory, but fails on sd access:
with dir cache on it takes a while but the shows the top level dirs, but trying to enter an album directory it shows (if at all) as empty.
This is with a Samsung EVO 64GB card.
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