Voice quality issues. - Moto G Q&A, Help & Troubleshooting

I have the moto G xt1032 and am running c-rom 5.6.
My problem is that since I started flashing custom roms on my device I can't adjust in call volume and the quality of voice on my end is really bad(high pitched sounds just about blow my ear drum and it sort of screeches). The buttons are fine as I can still adjust media volume no problem and I have also tried restoring to stock but the issue remains. I have had a lot of android phones and know what I'm doing but not seen anything like this before. Any ideas on what the cause is would be most helpful.

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[Q] Low speaker volume

I'm currently running stock, un-rooted 3.18 from AT&T.
My speakers, both on the back and the earpiece, have extremely low volume. Even at max volume I have difficulty hearing phone calls anywhere that is not very quiet. Also, my ringtone and notifications are very quiet. Again, they're so quiet I generally don't hear them if I'm not in a moderately quiet setting with the phone face down nearby.
I don't seem to recall this being the case when I first got the phone. I also tried a couple different ROMs recently, but none of them seemed to help so I just went back to stock.
On a potentially related note, whenever I'm playing music and get a notification it gets played very softly in the background, and is often inaudible. If I get a call it pauses the music, though.
Any help with either or both of these issues would be greately appreciated.

[Audio Issue] Moto G HISSING STATIC constant with apps

Please help me. :crying:
Motorola Moto G 16GB, updated to 4.4.2.
HELP MY EARS!! Most notably when using earphones, I get horrible hissing, static hissing whenever I open an app that outputs sound. Even with something like Google Voice Search popping up and playing the dum-dum sound. This happens even when I turn the volume down to 0. I've gone into Sound settings, disabled Motorola's EQ, put all other volumes (notification etc) to 0 as well but nothing has helped. As soon as the app stops outputting volume after a second or so delay, the hissing goes away. For example when a YouTube video stops playing. It's driving me nuts. Google shows that it's a common issue after the 4.4.2 update or something.
I also use the app Fine Volume Control V2 across all Android devices I use since I find the minimum volume to be too loud, even with my TF300T. Thinking this was an issue I've uninstalled said app, rebooted but alas the static hissing remains.
Don't say you can't hear it, you need some half-decent headphones/earphones to pick it up, but oh dear god it's painful. Same symptoms described in this thread here: http://forum.xda-developers.com/showthread.php?t=2611599

No sound from speakers or earphones

Yesterday night after returning home from a busy day at office, I inserted earphones to my moto G to listen to some songs and i instantly found out that there was a very low audible music playing. My finger instantly went at the volume switch and to my horror i found that the volume is already at max!. I tried to lower volume, with no change in earphone volume intensity and again increased it, still no change.
Then i removed my earphones assuming they are faulty and the loudspeaker had same issue!
I tried changing ringtones to check if those sound play well, but still problem persisted and I instantly realized that my moto g haven't been playing ringtones even at office while receiving messages (Which obviously i had ignored since i was busy with work).
Now a fear gripped me, and thought of my moto G having hardware fault ran through my brain
The only old school option that came to my mind is reboot.
I rebooted keeping my fingers crossed, and to my joy, volume worked fine on speakers and earphone as well.
The concern now is why that happened suddenly ? I run my moto g on stock with no apps that may tinker with my sound / volume.
Has anyone else ever had similar issue ?

Earpiece speaker volume too low when playing audio clips

Hi everyone. I'm new to this forum.
I have a stock Moto G 2015 2/16 GB version.
I've always had a problem with it: when I try to play an audio clip in Telegram or Whatsapp through the earpiece speaker, by pulling the phone up to my ear, the volume is just too low. It's all right if I'm in a quiet room, but as soon as there's even modest noise around, I can't hear anything. I can use the volume keys to adjust it, but it turns out I'm already at the highest setting and it's definitely not enough.
Conversely, when I use that same speaker during a phone call I can hear fine, even in a noisier room.
I'm running Android 6 at the moment but, as I said, I've had this problem since the beginning, when my phone still ran 5.x.
Thanks for any suggestions.
I actually have the opposite issue.
xt1540 2/16 6.0 stock not-rooted, bootloader unlocked
Music audio, notification tones (bells,beeps,whistles) are fine and loud
Phone calls volume is very low.
I've tried...when call starts down the volume then back up...no go
Move back to 5.1.1, still same issue.
Tried removing LCD to get ear screen out of the way...still issue persists.
edit > 4-Sep-2016
I replaced the ear speaker, still low audio during calls. I forgot to describe when call is placed in speakerphone mode, the audio is fine albeit slightly distorted on high volume.
** comment ** I have a Lumia 640 LTE, (SD410) call volume in earspeaker is loud where I have to turn it down a couple clicks. And I've had people tell me that on their end my voice comes through same if not better than a corded landline. (using the same SIM that was used in the G3).
squid kernel screws the speaker while calling, make calls louder
Looks like it's an issue with a lot brand/model phones.
Something about mixer_paths.xml and "RX1 Digital Volume" needs to be changed.
So I'm guessing all the manufacturers are really lazy in tuning their Android smartphones to perform best for it's primary function, being a phone. Well, for that matter, overall sound quality with all the mic's and speakers.
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Found http://forum.xda-developers.com/2015-moto-g/development/mod-native-volume-boost-apps-mixerpaths-t3217132
Thank You hp420
I haven't tried it yet, but when I do I'm sure my G3 will be usable. And thanks again for taking the time and testing/providing different volume level versions of mix_paths.xml.
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Update: I've tried the modified mixer_paths.xml, only marginal success. Possibly have a damaged speaker.

Media Volume Mutes on Playback with Headset

Hi,
I've got a strange problem which no amount of searching and experimentation has fixed...
Whenever I start playing audio the media volume reduces to zero / mute by itself. I can then turn it back up and all is well, until the end of that song / video at which point the problem repeats. This occurs in all my media playing apps.
This only happens when using my wired headphones that have a builtin microphone. I don't get the issue on speakers, with a non-microphone headphone / external speaker, or with a bluetooth device.
I've tried the headphones on another phone (not OPO) running the same version of cm13 nightly, and the problem doesn't occur.
So I'm fairly sure that its a software bug/setting issue, but I don't know what.
I've tried making sure all other possible audio players are not started at boot and force stopped to make sure its not some weird app/clash.
Would appreciate any suggestions!
Thanks...
+1 for that issue I thought it as due to faulty buttons .......
therohanchawla said:
+1 for that issue I thought it as due to faulty buttons .......
Click to expand...
Click to collapse
Glad to hear its not just me! It even does it in safe mode.
I guess the only thing to try is a different ROM...
The best thread I've found that describes this problem is:
https://www.reddit.com/r/oneplus/comments/3jkilb/oneplus_one_volume_automatically_decreases_to/
Sultanxda's comments describe whats happening nicely.
So in a last and final attempt to fix this I tried some different ROMs. I tried the latest cm13 stable, sultanxda's latest and even went back to good old kitkat! But all had the same problem....
It would seem this is a hardware issue that is only getting worse. I've had instances now where the volume will mute whilst playing a song). Sometimes it mutes and then turns on Do Not Disturb!
Oh well.... time for some bluetooth headphones.

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