Which is the best Custom Rom for audio quality?

omnitox

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Dec 16, 2015
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I am using lineage 14.1 with Poweramp and Viper4Android atm. (HTC ONE M8, S-OFF). After making calls and writing messages audio playback is the most important task of my HTC One M8.
This was the reason why I choose the M8.

I am wondering if I get the best performance with this settings from my M8 or if I am missing something and if there is a better sounding ROM.
I am just talking about the output of the 3,5mm port: for headphone or to a receiver...the sound of the speakers is not so important.
Is Boomsound, Beats, Harman Kardon ...mainly for the speakers or is this also important when it comes to headphones?

For example: with the alpha test version(704) of poweramp I can't use the new HiRes Output via headphones with Lineage 14.1.
When I try it then the flac will be sampled down to 16bit/48khz
I tested S.Team JW 7.5.0. with the Harman Kardon option selected, now I could play a 24bit/96KHz Flac file which was processed via DAC.
But most time I would not use this bitrate as most of my music are flac files with 16bit 44,1khz or 48khz, but i have about 400songs in 24/96.

Are there differences that one can hear with a good pair of earphones between different ROMs? Has anyone tested the ROMs for this and can tell me what was the result?
of course with same settings(standard audio player without EQ) and same flac file with 16bit/44.1KHz, if there are no differences with the standard player,then there will also be none with poweramp+viper and the other way)

Lineage14.1 runs really really smooth, no problems that I could not solve with some research by myself.
I had the impression that S.team JW 7.5.0 sometimes had delays and stops when opening or scrolling lists, not so smooth...
on the other hand I really liked the cam (dual cam, slowmo ...)and lineage has no theme engine atm and samples down HR audio files...
I had 1 day between the playbacks and it was very hard to tell if there was a difference...I hope someone can shed some light one this topic.
 
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omnitox

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Dec 16, 2015
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Really? No one? Have I posted this question in the wrong forum? Maybe the M8 General would have been better?
I don't want to post the same question again there. Would it be possible to move this thread there?

I have reinstalled the S.Team JW ROM. The sound had more punch, but I don't know how this was created...but I am used to CM since 5 years and there are so many apps and stuff that I don't use and can't remove...

I will try CM13 because of theme engine which I miss in Lineage 14.1

Thanks in advance
 

xunholyx

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Dec 3, 2012
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Really? No one? Have I posted this question in the wrong forum? Maybe the M8 General would have been better?
I don't want to post the same question again there. Would it be possible to move this thread there?

I have reinstalled the S.Team JW ROM. The sound had more punch, but I don't know how this was created...but I am used to CM since 5 years and there are so many apps and stuff that I don't use and can't remove...

I will try CM13 because of theme engine which I miss in Lineage 14.1

Thanks in advance
Audio isn't exactly ROM dependent. AOSP ROMs will have AOSP audio. Sense based ROMs will have BoomSound. If you are S-Off, you can flash the Harman/Kardon audio.lib files plus the ADSP that the Sprint H/K model had, which is a part of firmware not ROM (you need the ADSP to make the H/K mod work properly).
S-Rom does some ADSP/firmware modifications that often affects audio quality, so you might have to (probably will have to) re-flash you current firmware version to fix that up.