yashsingh1/xdaforums huggingface dataset:
[Galaxy S III General] simone201:
Mine are:

AKG K315 (normal ones)

AKG K518 DJ (big ones)

First ones have purely amazing specs, and a very high sensitivity and great freq response

2nd are way more powerful (2Watts in total) as they are designed for DJ consoles (my hercules console really rocks)
[Galaxy S III General] TotallydubbedHD:
hahaha - no offence :p
[Galaxy S III General] Mike Blitz:
I use Westone 4r's and Sennheiser HD 25-1 II and I can confirm no matter what kernel or governer I get the crackle it takes about 2 mins after screen off for it to appear, test it on some music that's not so busy and you will get crackles/pops.
[Galaxy S III General] kitkit1981:
I had tested it, the cracking sound issue still exist even though I set the min and max frequency to the same value.

(p.s. governor - pegasusq)
[Galaxy S III General] nodstuff:
So far it looks that it isn't the hotplugging or the scaling.

What frequency did you use for min/max?

or maybe it isn't CPU related, maybe there's another cause.
[Galaxy S III General] TotallydubbedHD:
I would disagree as I haven't heard a single crackle on ondemand...

And I think I've been testing for quite a while...lol
[Galaxy S III General] nodstuff:
Oh so ondemand does work for you, my bad, I had it in my head that ondemand didn't work either.

Well them it must be the hotplugging so as ondemand doesn't hotplug afaik.
[Galaxy S III General] TotallydubbedHD:
works for me bro - although so far no problems with it :)

Not saying that's the fix - that's why I've always said "a temp fix to the problem" :D!

As it might not work out for everybody...but for the majority it does.
[Galaxy S III General] simone201:
I'm not that rich :p
[Galaxy S III General] kitkit1981:
I set min/ max to 600 mhz
[Galaxy S III General] mm1dhd:
on stock player i can hear crackling but when i listen same track on winamp i cant hear crackling. how is that possible?

im using AKG 330
[Galaxy S III General] kitkit1981:
I also tried Winamp before as some users stated that there is no cracking issue if using Winamp, but in my opinion, the sound in winamp is not so clear as the stock player or others like poweramp, so the cracking sound is not noticeable as other players. When I concentrate on the music, I can still hear the cracking sound.

Just my opinion, maybe something wrong of my ear :laugh:

---------- Post added at 07:44 PM ---------- Previous post was at 07:39 PM ----------

Could somebody using SiyahKernel can help me to do a test?

When I set the CPU idle mode to "idle only", the cracking sound seems gone, anyone can try and report the result?

Thanks
[Galaxy S III General] mm1dhd:
ye i think u are right, i have also some feeling that stock has clearer sound

---------- Post added at 07:56 PM ---------- Previous post was at 07:46 PM ----------

i remember some other smartphones lihe htc sensation (XE), htc rezound had same problems with crackling so does somebody knows was that fixed or what was problem

i think crackling problem will not be fixed
[Galaxy S III General] joe2316:
With ROM LF2 and Stock (mp4) Winamp or Mixzing (Flac), I get no crackles at all.

Listening with AKG K550 headphones in a quiet room.

Around 3 hours of music, nothing adverse.
[Galaxy S III General] rocketpaul:
Im possibly the odd one out but ive not had any crackles at all since i got the phone a few weeks ago
[Galaxy S III General] teatime0315:
what are you using to listen to music?
[Galaxy S III General] microspock:
No crackle at all using spotify.

Envoyé depuis mon GT-I9300 avec Tapatalk
[Galaxy S III General] Aimara:
just curious those using external amp ,was the cracking sound louder then plugging in direct ?
[Galaxy S III General] TotallydubbedHD:
extremely hard to say actually...
[Galaxy S III General] rocketpaul:
monster turbine pro golds
[Galaxy S III General] knights.JayTana:
im on 3rd track now without crackling, screen off... please do test using "idle only" in cpu idle mode... Siyah 1.3.3
[Galaxy S III General] kitkit1981:
if "idle only" in cpu idle mode can slove the cracking sound, we need to thanks simone201 as he reminded me I hadn't test this option before, so I try this out.

now we are waiting for more ppls to test this option to check is the cracking sound can be totally sloved in this mode.
[Galaxy S III General] knights.JayTana:
Gokhan mentioned it to me before as well... Thanks for the 2 Dev... ill try to reboot my phone and then thorough test again... So far, cant really hear crackling... Please do test guys...
[Galaxy S III General] knights.JayTana:
Some more ears guys... cant hear any crackling... on my second track now after reboot.

For those who dont have 1.3.3; see the attached files...

My settings:

CPU

Gentle Fair: Uncheck

Arch_Power: Check

Cpu idle mode: Idle Only

Smooth Scaling: 1800Mhz

Max CPU lock: Quad core mode

Sched_Mc:0

Cpu Undervolting: No undervolting

Default CPU Governor: pegasusq

Scaling max freq: 1.5ghz

Scaling min frq: 200mhz

GPU

875-900-950-1025

70%-60%-90%-85%-90%-90%

0-0-0-1

AUDIO

Headphone Amp: 58

Stereo Expansion: Enabled

Stereo Expansion Gain: 8

Bass Boost Effect: Disabled

Anti-Jitter: Enabled

Hifi PLay: Enabled

Dac Direct: Enabled

Mono: Disabled

MISC

Android Logger: Uncheck

Insecure adbd: Uncheck

Default I/O Scheduler: cfq

AC Charge: 1000mA

USB Charge: 475mA
[Galaxy S III General] Aimara:
those interested to know how the sound like ,cant find any cracking sound video on youtube , but here is a sample on a crappy iphone , doesnt sound as bad as this , just soft short crack sound [YOUTUBE]qpXdHeA_dHE[/YOUTUBE]
[Galaxy S III General] knights.JayTana:
please dont mess the thread with that iPhone thing... if you have S3, i encourage you to test the settings i posted above... please help...
[Galaxy S III General] rlorange:
So the only thing that's permanently fixed the crackle is latest Siyah 1.3.7b which has the ported anti-jitter and DAC direct code from the old voodoo sound. Try for yourselves.

The good news as this means that the new voodoo sound is likely to fix it also.... that's when Mr anal, perfectionist and childish SC finally releases it.
[Galaxy S III General] studiominal:
Looks promising. Would you try the same only with those sound enhancements disabled? I mean stereo expansion, anti jitter, hifi play, dac direct.

Thanks!
[Galaxy S III General] knights.JayTana:
Ill try then....
[Galaxy S III General] knights.JayTana:
done testing with 2 tracks with enhancement disabled... no cracklings... please do test my findings with your "sound forge"..
[Galaxy S III General] rlorange:
I've tested different configs to try to find the cure and I think FLL tuning (anti-iitter) is the magic bullet
[Galaxy S III General] knights.JayTana:
im using 1.3.3
[Galaxy S III General] knights.JayTana:
i disabled anti-jitter on 1.3.3 and no crackling... please try the "idle only" in cpu idle mode...
[Galaxy S III General] knights.JayTana:
Oooppppsss, cpu spy shows that its ticking @ max freq most of the time...
[Galaxy S III General] knights.JayTana:
ill reboot again, clear data on ext tweak, reapply the settings and test... ill be back...
[Galaxy S III General] xillius200:
well turning it off helps here :) in the space of 30 seconds I heard one crackle but that was about it, rest of song there was nothing :D
[Galaxy S III General] studiominal:
I'm also on it... with audio enhancements off, pegasusq governor & cpu idle mode set to idle
[Galaxy S III General] rlorange:
1.3.7b is the ONLY version with the fixed FLL tuning (anti jitter) disabling AFTR didn't help for me. Also DAC direct has been fixed so pls test b7
[Galaxy S III General] studiominal:
I'll check it out as well :)

I'm on 1.3.3b right now and recording the sine wave signal. Just to be accurate, doing two sets of test so it's taking about 20mins.

+

Ok so far, no crackles have been found for 20 mins upon changing to Siyah's kernel v1.3.3b (I'll try 1.3.7 too). Only ticked the cpu idle mode to IDLE ONLY and disabled all the audio tweaks, so the phone should be running on pegasusq governor which uses hotplug system. But I'm not 100% sure whether it totally eradicated the noise. Now I'll try some real music.
[Galaxy S III General] knights.JayTana:
ill try 1.3.7 then... ill be back
[Galaxy S III General] Aimara:
i didnt want to mess this thread , just that i was searching for cause of the sound , and just type cracking sound in youtube to find any source or cause , this video happen to pop up , also if quite a number of people are not hearing the disturbing sound on stock players, maybe the fix is just a firmware or something
[Galaxy S III General] knights.JayTana:
im on 1.3.7 now.. with "idle only" the freq will stay @ max. But im certain enough that i cant hear any crackling @ all... With this finding, im confident to say that it has something to do with idle status, not a hot-plug issue...
[Galaxy S III General] knights.JayTana:
Reboot the phone again, settle for a moment andwill be testing the "after only" idle mode...
[Galaxy S III General] studiominal:
Siyah kernel v1.3.7b tested: For more than 20mins with the sine wave and real music, no crackles were found as well as on v1.3.3b. :highfive:

I only changed the cpu idle mode to IDLE ONLY and disabled the pre-enabled audio enhancements. It's not only for the test purpose but is kind of my credo that I'll use the new Voodoo Sound from supercurio :)
[Galaxy S III General] knights.JayTana:
Thanks for the confirmation of my findings... So its the real deal now... "idle only" iliminate the crackes... but with negative effect on battery since clockspeed will stay @ max when playing music...
[Galaxy S III General] studiominal:
Oh really? According to SSHDroid and SetCPU CPU utilization mostly remains around 200MHz.
[Galaxy S III General] knights.JayTana:
ill have to reboot, and reinstall extweaks then... ill be back
[Galaxy S III General] rlorange:
Pls test with AFTR on and RLL tuning in 1.3.7b I get the same result, no crackle.
[Galaxy S III General] knights.JayTana:
Ok... ill test your finding...
[Galaxy S III General] willybilly:
No crackle. Being listening song for an hour now.

Not only that, the audio so far the best using this kernel.
[Galaxy S III General] rlorange:
Long song!:)

So looks like there are 2 ways to eliminate it.
[Galaxy S III General] kitkit1981:
Sorry that I missed to include last night (so sleepy last night after listening to the same song over two hrs before mentioned the "idle only" option may help).

When I found out "idle only" could help in this issue, I already with v1.3.7beta and all the setting in extweaks as default except the "idle only". On my device, I tested out all the four modes and only "idle only" without cracking sound. Both Aftr+Idle and Aftr only still

have the cracking sound.

anyone could help to re-test again as Aftr doesn't slove the problem in my device.
[Galaxy S III General] willybilly:
Hmmm... I have the feeling that it may not be much different using 1.3.7. Probably the reason for not releasing the pre-release.
[Galaxy S III General] knights.JayTana:
crackling is still there with "after + rll" ... hear it on second track, about 6mins since beginning of playback...

Already posted this on Dev section... Thanks to all and ENJOY!
[Galaxy S III General] rlorange:
Yeah just heard it too. Something must have been blocking deep idle giving me false positives. Thanks for helping test everyone. So deep idle is the problem as hardware gets shut down it Myst be sending out ELM interference of some knd
[Galaxy S III General] knights.JayTana:
Thats what i thougt... ti could also be a hardware/design related issue because no matter what the CPU will do, the sound path should not be affected...
[Galaxy S III General] rlorange:
True but LPA powers down hardware so could easily cause interference to the DAC if the physical design puts the hardware close together and not enough shielding... perhaps a hardware mod. RF shielding in the right place, might fix it?
[Galaxy S III General] studiominal:
http://www.ifixit.com/Teardown/Samsung-Galaxy-S-III-Teardown/9391/2

Audio chip is located far from the AP and actually isolated according to the iFixit teardown. So I guess it's a fixable hardware problem which was resulted from the wrong implementation of kernel. Plus that, regarding the alleged deep sleep issue, I think it might have something to do with turning the audio codec on/off really fast which causes frequency surge like the following. I think like I've been repeating this saying :) but I'd say again that the noise oriented from the circuit near the AP cannot affect the audio output this neatly.

Difference between IDLE ONLY and others would be the key to solve this issue, and I personally guess that this noise is a signal that the audio codec lacks power for playing music when in standby mode.
[Galaxy S III General] elfary:
Output impedance is a physical thing that no software can lower. What software can do is help to disguise the effects of a high output impedance via eq.

Don't get me wrong the Galaxy S + Voodoo is a good player. It's just that it's not the end all be all that the iPhone is quite close to be headphone out quality wise.

If the S3 has an output impedance lower than 2 and crosstalk lower than -60 driving 16 ohms i might ditch my 4S.Otherwise i'll be happy to stick with it and the blessed signal it gets into my Westone UM3x iems.
[Galaxy S III General] Toss3:
Have the Triple Fis, as well as a pair of Shure 215s and I couldn't be happier that the SGS3, at least on paper, appears to have better AQ than the SGS2.
[Galaxy S III General] elfary:
About dac brands/models...the critical point is the implementation not the dac used.

These days almost every dac well implemented will do the trick. Problem lies in proper implementation and engineering.

A DAC alone says nothing of the signal that will come off the headphone out when loaded.
[Galaxy S III General] varunkumars:
Thanks Frank & elfary that makes sense and this is a good knowledge. We all blame the Yamaha DAC for the hissing in S2 but actually it is the implementation. So guys lets stop blaming the chips. With a better chipset implementation Yamaha would have sounded good too. Let's grow up and worry about implementation and not blame the chips.
[Galaxy S III General] elfary:
Being the first smartphone that con go past the 100Gb of storage expectation and hopes are high (mine included).

But till it rolls out and somebody who knows what he's doing (That excludes gsmarena folks) measures the headphone out we will not know the objective quality.

One only can dream that it might match the iPhone headphone out but i find it almost impossible because honestly the iPhone headphone out it's far better than it needs to be ;) as many electrical and mastering engineers could attest.
[Galaxy S III General] soraxd:
can anyone suggest a resonantly priced car stereo that supports APT-X?
[Galaxy S III General] Caladbolg:
Not sure about which do and don't, you'll probably have to go combing through manuals for your head unit. But I just checked Kenwood's top 1-DIN reciever, the KDC-X996, and it doesn't mention APT-X...just AD2P.
[Galaxy S III General] NZtechfreak:
Why not get the HS3000 and just connect it to your car stereo via 3.5mm-3.5mm cable? The HS3000 has Apt-X and can be used with whatever headphones you have as well, much more versatile solution...

(of course if your car stereo lacks a 3.5mm input that is no help whatsoever)
[Galaxy S III General] elfary:
That HS3000 thingy might do the trick for iPod speaker docks via aux in i guess...

Oh my Lord please empower the Samsung Galaxy S III headphone out and make it be on the same league that the iPhone one (Low output impedance, low distortion and low crosstalk). A 128Gb audiophile smartphone/music server would be a blissful thing.
[Galaxy S III General] buddha2012:
x2
[Galaxy S III General] danba:
"[64GB + 64GB] #GalaxySIII includes an USB driver named "snd-usb-audio" [ALSA USB audio driver]. Only testing will tell if it means USB DAC are supported out of the box." [Supercurio]

https://twitter.com/#!/supercurio/status/198218860128780289

The Google issue "Enable USB audio", requesting Google to standardize USB audio on Android smartphones/tablets, is currently ranked 12 of 22,090.

Issue 24614 - android - Enable USB audio on the Galaxy Nexus (or any Android 4.0 device) - Android - An Open Handset Alliance Project - Google Project Hosting

It is ranked in top 2 of less than one-year-old requests.

Vote: Click on the star (it appears after signing in)
[Galaxy S III General] chong81:
RMAA results are out... everything looks good except for the drop in stereo crosstalk from -92.6 to -53.1 with headphones attached.

As a comparison, the iPhone 4S drops from -93.0 to -66.7.

Link: http://www.gsmarena.com/samsung_galaxy_s_iii_vs_htc_one_x-review-759p7.php
[Galaxy S III General] varunkumars:
upload pictures

upload pictures

image upload

Do these numbers speak any thing about Galaxy SIII's sound quality ? I mean can we expect the same SQ quality as in Galaxy S or even better may be or close to it ?
[Galaxy S III General] jinx405:
Exactly the same here... this is great news indeed! And the GSMArena test results look promising as well, as per chong81's post above.

Looks like my beloved S2 might be sold off to my younger brother (doesn't care about sound quality in phones) very soon :)
[Galaxy S III General] Intratech:
You're selling it to your brother? What type of brother are you?:D:D
[Galaxy S III General] hefonthefjords:
These look like decent specs.

Id like to know how the audio recording is likely to be? Will video have mushy distorted audio in higher spl environments or will i finally be able to film a band at 100dbA and not get BFFFFFFFFFHSHSHSSSHSSSSSSSSSSSSSSSCCCHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHSSSSSSSSSSSSSS out the other end?
[Galaxy S III General] jinx405:
Haha I'll be selling it to him for really really cheap... at least me attempting to sell it (instead of give it) will justify the S3 purchase to the missus :rolleyes:
[Galaxy S III General] studiominal:
Promising results for the audio quality

Actually I was not surprised that GS3 reproduces a flat frequency response 'cause this new chip is more like WM8994, which means it's already a pro in reproducing the original signal. But what makes me happy about it is (possibly) its low output impedance. This will make most of the users unhappy with the combination of GS1 and multi balanced-armature earphones turn back to GS3. I guess it'll measure around 3 ohms like GT-N7000 or even lower!

Considering that GSMArena uses AKG K450 headphones and the output signal is more significantly affected by the innate impedance graph of the headphones when the output impedance is high, this is definitely a good sign, and I can say it'll surpass GS1 in audio performance.

Can't wait to get my hands on this :D
[Galaxy S III General] Yonatanl2:
The music's player compatibility with .flac files has my hyped up.
[Galaxy S III General] studiominal:
Done a few more tests and now I think the noise is related with power-hungry DAC in deep sleep mode(standby mode). Because it's a bit complicated to explain, I'll tell you guys in step how I did my test to get convinced about it.

Steps

1. Prepare the already recorded 1kHz sine wave file that has no crackling.

- The reason I'm using the recorded file is to show how this kind of pop is generated from flawless output sample when the DAC kicks in and out, which are the main aspects I'm gonna scrutinize.

2. On PC, start recording without signal, and then play in another player the recorded sine wave.

3. While both the playback & recording are in process, stop & continue the playback repeatedly and randomly.

- I wished I could confirm that the same kind of pop noise is generated when DAC is powered on by doing so.

4. Using headphones(Sennheiser HD 650), check the sample generated in step 3.

Results

Promisingly, I could notice pops very similar to those of SGS3 I've noticed so far although the actual sample file contains no crackling. The pops exactly sounded the same, but their looks portrayed in spectrum filter were a bit different maybe because of another DAC which did the job (JAVS DAC-2 USB - optical input)

So what I assert so far is that during playback process, the DAC of SGS3 suddenly suffers power failures due to the governors which involve unstable power supply for the DAC in a certain circumstance(standby). And ExTweaks is the only one so far which lets users alter related parameters.

For those who need the sample file, you can download it here
[Galaxy S III General] knights.JayTana:
According to Andreilux

So, how's your battery life with IDLE ONLY?
[Galaxy S III General] studiominal:
Totally agree with Andreilux.

By the way, I've taken a screenshot right now. For me, it doesn't seem to give such a big difference compared to stock setting(IDLE + LPA). And... I heard from a guy using GS3 US variant (running Snapdragon S4) that he's suffering from this kind of noise too. Not sure whether the noise he's got is the same as mine or not, but I really guess manipulating audio clocks like FLL might do the trick. Maybe I should switch back to IDLE + LPA before I go to sleep tonight and check the battery.

Recommend you guys read this: http://xdaforums.com/showpost.php?p=23139337&postcount=2
[Galaxy S III General] TotallydubbedHD:
just an interesting note:

I found as noted before, that if you can't hear the crackling, a reboot often makes it come back.

Would this relate to anything?
[Galaxy S III General] knights.JayTana:
I failed to hear any crackling so far. Ill report if i hear any crackling again even using "idle only". So, i guess its really a hardware design problem as stated by Andre.
[Galaxy S III General] rlorange:
Having used a deep idle port on the sgs1 which had an interface to record time spent in the two states, many things can block it actually happening, it was very touchy so if you have LPA on and don't hear it then your phone is simply not entering the state but remaining in idle or sleep.

Also when the deepest state was working battery drain playing music was 20-30% lower .
[Galaxy S III General] studiominal:
OK I almost got it, but am really confused between two possibilities:

1. As Andreilux pointed out, shield is poor on SGS3 to survive intended electric surge or drop posed by LPA.

2. LPA/AFTR have a defect in powering the DAC/headphone amplifier in standby mode.

Both are possible, but I would like to believe the random ticking noise is rather related to the latter. With my test results above and what Andreilux said in mind, the culprit is likely the DAC/AMP losing power for an extremely short period, and

cutting power off seems to be the intentional function of LPA and AFTR. This is where my doubt starts; Is it right to cut off the DAC while it's working hard? :confused:

Well, I'm not an expert in power management field and I don't know any phone using the same idle power management without a crackling issue whatsoever.

I guess SGS2 or some phones equipped with a dual-core AP are likely to use hotplug governor & LPA idle mode. If those phones behave without any problem, I guess then tuning the audio clock is the final & ultimate key.
[Galaxy S III General] TotallydubbedHD:
you know what surprises me?

Why devs are not all over the issue....and more so why samsung is keeping us in the dark...

If they read this thread...if only.
[Galaxy S III General] studiominal:
Hey mate, if you're on ondemand governor and using SetCPU, keeping 'set on boot' checked would get rid of the crackling away. I mean, whatever governor you chose before in SetCPU, it goes back to the default governor upon reboot unless you ticked that option.
[Galaxy S III General] TotallydubbedHD:
I've been doing that since the start lol :p

Always set on boot -> ondemand
[Galaxy S III General] studiominal:
Yeah now I'm getting cramp in my brain :mad:
[Galaxy S III General] TotallydubbedHD:
haha :p
[Galaxy S III General] studiominal:
Weird. I've never come across with that even though I did a lot of reboots after switching to ondemand. I'm now on pegasusq governor though :o