[Q] Hissing Audio Issue - Moto E Q&A, Help & Troubleshooting

Hi Guys,
I've recently purchased a Moto E XT1021 and am dismayed that it has the same audio hissing issue that some of the LG phones have suffered from. The exact problem is demonstrated on a YouTube video entitled "LG G2 KitKat Audio Issues (hissing noise)".
It appears that LG have acknowledged the problem but I wondered if anyone was aware of an existing or future fix that will work on the Moto E? I've tried the latest stock, CM11 and SlimKat ROMs but the hissing is present on all of them. This is very annoying when listening to soft music like piano pieces.
I don't want to purchase any more headphones because I already own several branded pairs that sound great on my other devices.
I've tried the suggested solutions of turning off DSP effects, using aeroplane mode, using PowerAmp etc. but these don't impact on the hissing.
Cheers.

Brassic said:
Hi Guys,
I've recently purchased a Moto E XT1021 and am dismayed that it has the same audio hissing issue that some of the LG phones have suffered from. The exact problem is demonstrated on a YouTube video entitled "LG G2 KitKat Audio Issues (hissing noise)".
It appears that LG have acknowledged the problem but I wondered if anyone was aware of an existing or future fix that will work on the Moto E? I've tried the latest stock, CM11 and SlimKat ROMs but the hissing is present on all of them. This is very annoying when listening to soft music like piano pieces.
I don't want to purchase any more headphones because I already own several branded pairs that sound great on my other devices.
I've tried the suggested solutions of turning off DSP effects, using aeroplane mode, using PowerAmp etc. but these don't impact on the hissing.
Cheers.
Click to expand...
Click to collapse
Interesting, I did not notice this. Also after extended listening with a good headset. Maybe it differs between batches? Ive also got an XT1021.

quazar666 said:
Interesting, I did not notice this. Also after extended listening with a good headset. Maybe it differs between batches? Ive also got an XT1021.
Click to expand...
Click to collapse
Thanks for confirming that.
Are you using in-ear headphones? All mine are 16 or 32 ohm and are the ear-canal type. My phone was purchased in the UK.

Also got an UK phone and used a Sure in-ear headphone....
Will double check tomorrow!

100
Nice one.
I've just located my old Sony MDR-V6 'over-ear' headphones and they have no hiss when connected to my Moto E. However, this doesn't surprise me because I've seen the interesting thread, http://forum.xda-developers.com/showthread.php?t=2611599, regarding the poor Opamp on the Moto G.
I'm still curious whether this can be 'fixed' with a software patch or if it's purely down to poor audio hardware. It seems pretty lame that a device from 2013/2014 can sound as bad as the old cassette tapes from my childhood.

Wow, there really is quite some hissing when using my Sure headphone
Don't know why I did not notice this before....
My other headphones sound great!

Related

[Q] problems with headphones

Has anybody eles had problems using different headphones the stock ones work grate i put in sum samsung ones they want work hear a slite sound and when i put in my beats ones they want work at all? ??
ya... don't know about beats headphones... but there's some compatibility issue with some others earphones...(i had experienced similar issue too with some nokia and samsung earphones)...

Beats By Dre Powerbeats S3 issues

I have the powerbeats by beats by dre
The issue I have is that if I don't have music playing (I use PowerAmp pro) I can make and receive calls fine although the volume button etc doesn't work through the head phones. My biggest issue is that if I have music playing I cannot hear or speak throuh the headset. I need to use the phone. I am running Jellybean, international S3 I9300
rcapone18 said:
I have the powerbeats by beats by dre
The issue I have is that if I don't have music playing (I use PowerAmp pro) I can make and receive calls fine although the volume button etc doesn't work through the head phones. My biggest issue is that if I have music playing I cannot hear or speak throuh the headset. I need to use the phone. I am running Jellybean, international S3 I9300
Click to expand...
Click to collapse
Im the same, i think they are for the iphone and not android
mikeydoo_20012 said:
Im the same, i think they are for the iphone and not android
Click to expand...
Click to collapse
The box says iphone and android. Blasted LIARS!!!!
Oh well, that's a $129 down the drain. Didn't sound that much better either if at all...........
The issue with there being so many Android OEM's is that they have different standards for the headset jack and ect. I think that the Powerbeats only work with HTC devices
Yeah this is definately a bummer. The talk control thingy was not working on Some of the old htc devices but a updated kernal fixed that and I had total control talk via handsfree and also skip back forward music etc.
Can this issue with beats headphone just lye with a kernal issue or is it definately headphones compatability issue with s3 . definately not android issue. Buttons issue was fixed due to the p2pjack kernal for desire hd.
I can on listen and control my music through headphones but not able to accept calls or talk.
Sent from my GT-I9300 using xda premium
Here is a funny thing.
I had a custom ROM and I've since flashed to stock. No change
I have a co worker with a stock S3 running 4.1.1 and it works perfect both my beats and her beats. I try it in a Note 2 with custom ROM works perfect. I try it in a Note 2 with stock ROM works perfect. I try it with another stock s# running 4.1.1 doesn't work.........
We're suppose to get in a new batch today, I will try the headsets with that and if it works I will list my device as faulty and swap out.
Every other headset works on my phone except beats.
OK, I think I've narrowed it down. It's a connection issue. I found that if I play with how far in I put the ead set piece into the phone determines whether it works or not. I found that with the piece inserted maybe a millimeter before being completly in it works........
None of the methods work for me. PowerBeats on ATT S3 4.1.1 I hate this so much. They work perfectly on my work phone! Blackberry 9900. Are you kidding me... works on blackberry but not the S3....?
Anyone find a trick or fix? Connections on stock Samsung headset and PowerBeats match up perfectly.

bluetooth sound issues

hello guys
i wanted to ask you if anyone hears the bad bluetooth sound quality from the htc one x+.
maybe i'm just to audiophile, but the sound on (good) bluetooth speakers sound terrible.
i read alot about it and found out a few things:
-i heard the issue is in the so called "bluetooth bitpool setting". manufacturers always this setting to low, so there are no problems with the connectivity, but the sound quality is bad. so the sound quality of the stock rom is really, really bad. i'm talking about listening music. specially the high frequencies are sharp and crashing...it sounds like a very bad mp3 file.
now there are custom rom's with fixed bitpool settings. i tried out a few ones and there is actually just one rom that haven't this bad sound:
cyanogen mod 10. all the oder rom's have this sound problem: cyanogenmod 10.1, android revolution hd 6.2 and stock...
do you know this problem? would love to use more rom's with good sound
mr_breaks said:
hello guys
i wanted to ask you if anyone hears the bad bluetooth sound quality from the htc one x+.
maybe i'm just to audiophile, but the sound on (good) bluetooth speakers sound terrible.
i read alot about it and found out a few things:
-i heard the issue is in the so called "bluetooth bitpool setting". manufacturers always this setting to low, so there are no problems with the connectivity, but the sound quality is bad. so the sound quality of the stock rom is really, really bad. i'm talking about listening music. specially the high frequencies are sharp and crashing...it sounds like a very bad mp3 file.
now there are custom rom's with fixed bitpool settings. i tried out a few ones and there is actually just one rom that haven't this bad sound:
cyanogen mod 10. all the oder rom's have this sound problem: cyanogenmod 10.1, android revolution hd 6.2 and stock...
do you know this problem? would love to use more rom's with good sound
Click to expand...
Click to collapse
I also have this issue when listening to BT audio music in my car. I haven't tried any ROMs yet to compare.
From my brief amount of research it seems to be an issue that only pops up between specific hardware. My phone sounds great in some other cars but not in mine while the HOX and iPhone5 sound great in my car.
Just an update. I am running Elegancia's latest ATT release and it appears to have fixed the problem for now.
Just another update.
It appears audio is perfect upon initial pairing but after disconnecting the audio distortion comes back the next time the phone is automatically paired.
Why would it sound fine the first time you pair a device and then sound different the next time it connects automatically?
badtlc said:
Just another update.
It appears audio is perfect upon initial pairing but after disconnecting the audio distortion comes back the next time the phone is automatically paired.
Why would it sound fine the first time you pair a device and then sound different the next time it connects automatically?
Click to expand...
Click to collapse
If you're experiencing this on the Elegancia ROM, let Steve know about this.
joey-pagan said:
If you're experiencing this on the Elegancia ROM, let Steve know about this.
Click to expand...
Click to collapse
I would love to, but how? I can't post in that forum.
Have a read at this FAQ concerning postcount limit.

I found out that ONLY stock roms uses the best DAC.

Hi, all audio enthusiasts!
So recently I purchased a pair of Sennheiser IE80. These IEMs are known to be VERY sensitive and thus you need a really good DAC unless you want background noise in your music.
When I first plugged these IEMs into my phone I was hugely disappointed, the sound was pretty good I guess but there was this constant annoying background noise whenever audio was playing. This was noticeable even when listening to high tempo EDM music with a very low dynamic range, and when I tried some acoustic music with a higher dynamic range the background hiss completely ruined the music experience for me.
Disappointed as I was I decided to ditch LOS and get back to stock and try the audio there since I've always poor battery life on ALL nougat Roms anyway I decided to try the latest Stock Marshmallow build (B11).
The standard HiFi option sounded very poor, I think even worse than LOS but I'm not completely sure as A/B testing is practically impossible. When I turned on the Super Hifi option, however, ALL background hiss had vanished and the sound just got to another level!!! This could only mean two things; either LOS based Roms have some very funky audio processing or (whats most likely) Only stock builds use the best DAC which is presumably the AKM 4491. I haven't tried Nougat but I suspect that the audio is more or less the same ass on Marshmallow.
TL-DR: Only stock build uses the best DAC (AKM 4491).
Where to turn on the Super Hifi option?
It is using the AK dac without genuine drivers. It is not going to sound great the way it is being forced to work. If drivers could be found then maybe it would be like stock.
Sui77 said:
Where to turn on the Super Hifi option?
Click to expand...
Click to collapse
Sound and vibration --> Headset HiFi --> Super
RUNNERX said:
It is using the AK dac without genuine drivers. It is not going to sound great the way it is being forced to work. If drivers could be found then maybe it would be like stock.
Click to expand...
Click to collapse
Yeah this could be accurate. Anyway LOS has hiss, Stock with Super setting doesn't.
Has anyone tried this fix for LOS rom? Or the latest nightly if the patch is merged?
alenbernardis said:
Has anyone tried this fix for LOS rom? Or the latest nightly if the patch is merged?
Click to expand...
Click to collapse
That was merged mid to late April. It is on all of the Los/asop roms now.
I dont know many why many people using wrong DAC number it should be AKM4490 or 4961

Headphone Jack Sound Quality of Mido

Hi everybody,
Been using Redmi Note 4x for about 10 months now, and I love the phone in every way except the audio quality. Since I don't care much about the speakers, I am referring to the audio quality from the headphone jack.
I will try my best to articulate the problem so that you can understand my frustration. I would like to know: 1) Anybody else facing this? 2) Any sustainable solution?
Before Redmi Note 4, I have used a Moto G(2nd gen) & Moto X Play, and both had pretty standard audio quality, which is to say: Basic, Clean & Enjoyable. I use a Soundmagic ES18 (which is PRETTY Good, and gives a V-shaped clean sound output, very enjoyable).
Redmi Note 4 is just different in terms of sound, I don't know what or why, but after 5-10 minutes of listening, my entire body starts feeling irritated, almost as if I have been getting very mild electric shocks. Needless to say, as far as music is concerned, I am a very unhappy customer. I love music, and I just have not been able to enjoy. Plus, I don't know if my eardrums have been damaged in any way (i listen at very moderate/low levels).
I am trying to understand, is this something wrong with my particular set? If so, I have some time left in warranty to get it fixed. But if it is the sound signature of Mido in general, then has anybody come up with any solution to this? Mi Forum seems to suggest many other users complaining about the same thing, even though people describe it differently.
As I mentioned, the music listening experience is one of physical irritation. GSM Arena shows how Mido has a clean output, though it is very soft from the headphone jack. Since I use V4A, I boost the playback gain, so that is not the issue, the issue is that something about the sound signature is such that music is not enjoyable. Treble seems unnecessarily sharp, Bass feels unnecessarily synthetic & bloated, Mid-range is too harsh, and therefore, overall, the audio output is really bad, to me.
My girlfriend has the Redmi 3s, my father has the Redmi 4x (from my recommendation), and I have a MiPad. My girlfriend's and father's phones have a pretty enjoyable sound signature, so does my tablet, even though my tablet has a softer sound output, but none create any irritation. I have tested the sound from all these devices with the same earphone (ES18), and without turning on any EQs. These Xiaomi devices have a little different sound from my Moto devices, but still very enjoyable. Mido, however, is really bothering me.
Please feel free to engage with me. I am only looking to confirm what is the issue, and find out potential solutions. Please help me to enjoy music on this phone...
Thanks & Regards
Hi man! I've experienced the same issues...i didn't find a way to obtain a good quality sound. The best solution for me is to:
-try to have flac songs with high quality
-Use dolby Atmos (discovered in mi-globe rom v 9.5)
-modify the mixer.paths.mtp.xml file to increase maximum volume (i had a very low sound, with my headphones on and max volume set i can heard people talk around me)
But these are just "tricks"...i think that the hardware is the real problem!
give ainur sauron audio mod a try. you will need to get the beta flashable zip as only the beta supports magisk 17+
xXSK2kXx said:
give ainur sauron audio mod a try. you will need to get the beta flashable zip as only the beta supports magisk 17+
Click to expand...
Click to collapse
Can you give me the link???
xXSK2kXx said:
give ainur sauron audio mod a try. you will need to get the beta flashable zip as only the beta supports magisk 17+
Click to expand...
Click to collapse
Thanks man...i visited the site and seems quite serious! I'll give it a try as soon as possible!! I hope it will works on miui 10
Ariyan Alite said:
Can you give me the link???
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Click to collapse
latest betas are uploaded on the telegram group for testing purposes

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