[Q] disabling noise cancelation during calls. - Nexus 4 Q&A, Help & Troubleshooting

I'm looking for ways to disable the noise cancelation during calls.
People can't hear me unless I turn off the speakerphone mode, and speak directly to the mic. They complain that my volume becomes significantly low, and cutting.
I have used recording app to test my mic; my voice is recorded crystal clear.
I spent some time to search for the solution, I guess it is something to do with noise cancelation.
If there's anyone who knows how to disable the noise cancelation function during calls, it would be appreciative if you can share it.
Thanks in advance.
Sent from my Nexus 4 using xda app-developers app

howto disable noise cancellation
you edit /system/build.prop from "media.a1026.enableA1026=1" to "media.a1026.enableA1026=0" it should disable the noice cancelling mic.
You will need a rooted phone and you will need to do 'adb remount' to mount the filesystem read write.
Dont forget to reboot phone after change.
sson90 said:
I'm looking for ways to disable the noise cancelation during calls.
People can't hear me unless I turn off the speakerphone mode, and speak directly to the mic. They complain that my volume becomes significantly low, and cutting.
I have used recording app to test my mic; my voice is recorded crystal clear.
I spent some time to search for the solution, I guess it is something to do with noise cancelation.
If there's anyone who knows how to disable the noise cancelation function during calls, it would be appreciative if you can share it.
Thanks in advance.
Sent from my Nexus 4 using xda app-developers app
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Related

External Speaker Voice Calls Quality

Hi everyone, when i am talking with someone and i turn on the speaker the voice call quality is kind of bad, i hear crackling and poping sounds. Now when i play a movie or music through the speaker its fine so its just the voice calls..i am wondering if this is normal and if anyone else is experiencing this at full volume. I am using the Lightening rom if that matters.
Sent from my GT-I9100 using XDA App
Can please someone test this? It will really help me. Just switch to speaker while on a call and max the volume to see if you hear distortion. Thank you in advance.

Raising Mic Volume

I was wondering if anyone knows how to raise the mic volume on a call. I use a car arm to use my phone to listen to music and answer calls while I'm driving. I've noticed that the mic volume is very low while the headphone jack is use (can't hardy hear me). Of I turn on the speaker feature on the call, the mic volume fixes itself. I was wondering is there was a way to raise the mic volume with the headphone jack in use .
Thanks in advance.
Bump!
Sent from my Nexus 4 using xda app-developers app
If you search for mic call on N4 threads you will see lots of complains and no answer. Seems like noise cancelation is the problem but still no luck
Stick your finger over the top microphone while you're talking. That will make the N4 send all the signal from the bottom microphone, effectively eliminating noise suppression but letting your voice come through okay.
wmm said:
Stick your finger over the top microphone while you're talking. That will make the N4 send all the signal from the bottom microphone, effectively eliminating noise suppression but letting your voice come through okay.
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did it with no success, in fact that should be the solution for some reason it doesnt work for me
Dunno, then; I was just reporting the experience of a user in a different thread. I haven't had a phone call in the car since then, so I don't know whether it would work for me or not.
Just a thought -- my car mount has movable feet, and I have to make sure that one of them doesn't cover the microphone hole on the bottom. I don't know if your mount potentially has the same problem or not.

[HELP] Mic sensitivity in calls

Hello,
anyone face this problem whereby, when u're in calls, the other party hear your voice like far away from the phone or soft but when loudspeaker mode is activate, is fine.
works fine in skype call as well.
any solution? software issue?
extr3mus said:
Hello,
anyone face this problem whereby, when u're in calls, the other party hear your voice like far away from the phone or soft but when loudspeaker mode is activate, is fine.
works fine in skype call as well.
any solution? software issue?
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Click to collapse
I'm experiencing the opposite with VoIP calls. The other party hears everything include any background noises.
Sent from my Nexus 4 using Tapatalk 2
extr3mus said:
Hello,
anyone face this problem whereby, when u're in calls, the other party hear your voice like far away from the phone or soft but when loudspeaker mode is activate, is fine.
works fine in skype call as well.
any solution? software issue?
Click to expand...
Click to collapse
I have an issue with that as well. All this time I thought I was the only one
Same problem for me too....when calling they can't hear me at all but when I turn the loudspeaker on they hear me fine....
Any ideas why or how to fix it?
Sent from my Nexus 4 using xda app-developers app
My Nexus4 has really bad video recording audio and good in-call audio.
It seems from reports here that this is reversed with some people.
When you switch from Normal to Speakerphone mode the audio is re-routed
from the mouth to the videocam microphone.
Here is one quick 'hack' to try, not sure if it will work. Call your friend and ask how they hear you.
Then plug something in the audio jack (headphones, earpiece, whatever) and ask how they
hear you then. If the audio is much better with something plugged in - cut the cord and
keep the phone jack in your phone at all time.
If the sound is better normally - don't use earpieces or speakerphone.
In the meantime hopefully a kernel developer can figure out a fix.
acegolfer said:
I'm experiencing the opposite with VoIP calls. The other party hears everything include any background noises.
Sent from my Nexus 4 using Tapatalk 2
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I have the opposite like one of the fellow forumistas... during a voip call or video call on skype my mic goes silent. Is this a software issue?
---------- Post added at 07:33 AM ---------- Previous post was at 07:01 AM ----------
-Mindroid- said:
My Nexus4 has really bad video recording audio and good in-call audio.
It seems from reports here that this is reversed with some people.
When you switch from Normal to Speakerphone mode the audio is re-routed
from the mouth to the videocam microphone.
Here is one quick 'hack' to try, not sure if it will work. Call your friend and ask how they hear you.
Then plug something in the audio jack (headphones, earpiece, whatever) and ask how they
hear you then. If the audio is much better with something plugged in - cut the cord and
keep the phone jack in your phone at all time.
If the sound is better normally - don't use earpieces or speakerphone.
In the meantime hopefully a kernel developer can figure out a fix.
Click to expand...
Click to collapse
Just tried your little hack... if you make a skype call or video you can put the jack in once and pull it out and the call continues normally...So you are suggesting it is a kernel issue?
Yup happens to me. Its either i raise my voice or take the phone closer to my mouth...
Sent from my Nexus 4 using xda app-developers app
A couple of people have told me to speak up during the call, i haven't tried speaking on loudspeaker though. only had the phone for 2 days. Running PAC with Franco kernel.
Sent from my Nexus 4

[Q] Disable noise cancelling mic?

is there a way to do this in the build prop or something? i'm experimenting with teh awful audio in the video camera and i want to see if it's the noise cancelling mic that's really screwing everything up.
i'm also looking to try to change the gain, anyone know how to do that?
I don't have an answer to your question, but have you considered the placement of your hand when recording? It seems to me that it would be easy to muffle the sound by accident.
Sent from my VS980 4G using xda app-developers app
My guess is if you open the phone app and hit the menu key and then call settings. from there scroll down to noise suppression and uncheck it.
Not sure there is a way to disable it in video though.
rquiett said:
My guess is if you open the phone app and hit the menu key and then call settings. from there scroll down to noise suppression and uncheck it.
Not sure there is a way to disable it in video though.
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yeah, i read that android usually has different ways to use noise cancellation, like the nexus 4 has a diff classification for video and then voice.
also, I put my phone down on a tripod so it's not my hand placement. it's the bad mics in the phone.
Sent from my VS980 4G using Tapatalk 4
Fix-ish
Jishnu made a mod that mods with the mixer path, i have tried it but the noise cancellation mic is still a little bit on. I'm using Xdabbebs camera mod so i hope he will fix this problem, heres the mod: http://forum.xda-developers.com/showthread.php?t=2706943
I've also seen people on youtube recording without the noise cancellation mic but he doesn't show how, https://www.youtube.com/watch?v=1NoxMTxiFvo
If you found a fix, please let me now:good:
PhantomBeam said:
Jishnu made a mod that mods with the mixer path, i have tried it but the noise cancellation mic is still a little bit on. I'm using Xdabbebs camera mod so i hope he will fix this problem, heres the mod: http://forum.xda-developers.com/showthread.php?t=2706943
I've also seen people on youtube recording without the noise cancellation mic but he doesn't show how, https://www.youtube.com/watch?v=1NoxMTxiFvo
If you found a fix, please let me now:good:
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did anybody find a solution for this, all my video recordings of my baby are horrible, literally unusable!! :grrr:
I take it it's still not been fixed then, ffs it's absolute ****, I'm sure the Mic software it's geared up for 3 mics and LG haven't realised the 802 only had 2
Sent from my LG-D802 using Tapatalk

Extensive echo when using bluetooth speaker

I wanted to do a very simle task which for some reason turned out not be simple at all. My goal is to send my voice, in real time, to a bluetooth speaker.
So I downloaded a microphone app, connected my phone via bluetooth to the speaker but then although the sound quality was good, I was getting lots of echo when talking. Every word I say gets repeated about 4 times. I do know that if I go further from the speaker or puts volume down the # get less pronounced but still, can't avoid the echo even feets away from the speaker.
Is there an app that would let me speak to the speaker without echo?
Or maybe there is some other solution to it?
Thanks for help
I am using this app to send my voice: ...play.google.com/store/apps/details?id=net.bitplane.android.microphone&hl=en
but any other mic app I tried for this purpose was having the same issue.
Anyone has idea how to solve this?

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