S4 (intl) Mic Volume too low - Galaxy S 4 Q&A, Help & Troubleshooting

Hi
OS = Cyanogenmod 13
Android = 6.0.1
open Gapps = Yes
Whatsapp voicemail volume of myself is very low even if i speak really loud directly into the mic.
I belive this is a software issue so i did some research before i posted here.
I found out that theres a file in the folder /system/etc/snd_soc_msm or smth that contains variables for every sound related **** but im too dump to figure out what variable is for this special mic input volume

bump.
anyone please

What if dirt is stuck in the microphone hole?

nope checked that

Welcome to the CM world, They couldn't get the right driver for the mic? or Samsung didn't let them to have it? all AOSP based ROMs have the same issue with I9505 , If you tried GPE you will find the mic is just like the Stock Samsung S4 so my guess Samsung didn't let anyone to have it except if they want to.

Samsung isn't very open with their stuff. Look at the Exynos chips. No documentation for the devs.
Anyway, I don't have any problem with the volume. At least I never noticed a difference between the stock rom, gpe rom, cm based roms and aosp roms.

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Low volume for video and voice recordings on AOSP roms

Hi,
I am currently running Liquidsmooth 10-21 3.2 klte and am experiencing low volume on any videos recorded by any camera app and in the sound recording app. I can hear stuff but have to have the volume maxed. It seems to be an issue with microphone sensitivity settings as it works fine on Touchwiz roms but I have tried many AOSP roms and the issue is present. I have tried messing with the mixer_paths.XML file with no luck. I have already spammed a few different Q&A threads for specific roms but haven't got a reply so I'm not sure if its something with my setup or not. Any input/experiences would be GREATLY appreciated.
Thanks
Sent from my SM-G900W8

Very Low Mic Volume On Custom ROMs

So the problem is that no matter what custom ROM I use the mic volume is incredibly low. Talking on the phone I cannot be heard at all, if I put it on loudspeaker I can be heard faintly. Same problem for any app that uses the microphone, like sound recorder, recording a video, it barely picks up any sound.
But what's strange is that everything works perfectly on on Stock. I've installed custom ROMs on this before and last used cm10 before I upgraded way back. But now the problem also exists on that CM10 ROM. Any ideas how to fix it?
Additionally I've tried disabling the google now search listening (which fixed the same problem on my OPO) but does not work here. I've tried the following ROMs: CM10, CM11, CM12 all official nightlies and Crdroid 5.1.1.
Very frustrating as otherwise CM12 works perfectly and I intend to give this phone to someone!
So testing it further I found out that it works fine using google now and search. So either the internal microphone is disabled or maybe noise cancelling is messed up.

Volume very low microphone (CM 13 6.0.1)

hi guys, first I can not write in English, I am using a translator, I am Brazilian (unfortunately)
My problem is the following:
I updated my Galaxy S4 i9500 for CM13 6.0.1 Optimized
It worked okay, just a few bugs in the camera, but my biggest problem is being in the microphone volume is very low, and this problem had in my old update that was the lollipop, but in Lollipop I activated Speakerphone and wore it well
Now the CM13 to the speaker the audio goes down, WhatsApp recordings come down
I've been looking at that mixer_patch.xml file, but do not know where I can try to change some value there to see if I can solve my problem
I hope you can help me in this
Excuse my English, I hope it is understandable
Thank you
It's not that the volume is very low, mic volume is fine, it's just that any mm/lp rom that's not tw uses the second mic (the one on the upper side of the phone) instead of the first mic. In calls everything works fine, but in voice recording apps like ok google or whatsapp is not.
So then, how to fix the mic problem? Is there any way to switch the first and second mic using a kind of config maybe?

How to fix low mic volume in custom roms?

I would like to preface this by saying I love all the Custom ROM's available, especially the Android 10 ones. But, I've noticed one problem shared by all the ROM's I've tested so far (almost all). It's that the mic quality is simply horrible on every single one of them. The first thing I do when I download a Custom ROM is to test the mic using the Google Recorder app and so far, no custom ROM has even come close the loudness and quality of stock. I wouldn't mind if the mic quality was bad, but that's not the biggest problem. The biggest problem is that the mic VOLUME is extremely low. I have to shout while calling just so the other person can hear me. How do I fix this problem? The same problem cropped up a lot on Pie ROM's too. I've tried editing the mixer_paths.xml but I don't really know where to look.
I would greatly appreciate if anyone could help me. Cheers.
Bump
Bump
WideTracked said:
I would like to preface this by saying I love all the Custom ROM's available, especially the Android 10 ones. But, I've noticed one problem shared by all the ROM's I've tested so far (almost all). It's that the mic quality is simply horrible on every single one of them. The first thing I do when I download a Custom ROM is to test the mic using the Google Recorder app and so far, no custom ROM has even come close the loudness and quality of stock. I wouldn't mind if the mic quality was bad, but that's not the biggest problem. The biggest problem is that the mic VOLUME is extremely low. I have to shout while calling just so the other person can hear me. How do I fix this problem? The same problem cropped up a lot on Pie ROM's too. I've tried editing the mixer_paths.xml but I don't really know where to look.
I would greatly appreciate if anyone could help me. Cheers.
Click to expand...
Click to collapse
Use kernel with mic gain and increase it to your liking.

Low volume from wired mic in all custom ROMs

Hello guys and gals
I've been trying a lot of custom ROMs for our beloved 9T, and as is usual they all have their little bugs and quirks, some more some less.
However, one problem I noticed affects ALL custom roms for our device (well, the ones I tried at least) is that the microphone audio from any wired (3.5mm jack) headset has a VERY LOW VOLUME. Whenever I record a voice note in Whatsapp or any other app, or when I have a meeting with Google Meet, or even just recording my voice with a Voice Recorder app, it's extremely quiet, unless I talk right into the mic.
This was not the case on MIUI, so it's clearly a custom ROM issue. I wanted to know a couple of things:
1) I'm not crazy right, external mics DO have low volume on custom ROMs, yes? Or is this some issue specific to my device?
2) Any workarounds/solutions you can suggest?
By scouring the forums and searching on google, I think the problem is some misconfiguration in the /vendor/etc/mixer_paths_idp.xml file, however I have no clue which values to modify, since from what I read the values you should change are different depending on the device.
Any help or suggestion on this matter would be appreciated.

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