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I think the phone is using the speakerphone microphone

I have searched high and low and if I missed the answer to this, you guys can feel free to flame away.
I frequently get the complaint that it sounds like I am in a club or something on my end during a call. After a little experimenting, I believe the phone is using the speakerphone mic during a regular call and I have no idea why. I can move the phone as far away as I can reach and the person on the other end says the volume of my voice doesnt change. It doesnt always do it but when it does, it seems to require a reset to stop it. Speakerphone isnt turned on and I am still hearing through the earpiece so I cant understand how in the world the phone wouldnt be utilizing the mouthpiece.
It did this with the stock ATT ROM and does it with NATF v4.4 too.
Is this a known issue? Is there a fix? Should I swap my phone? Thanks for the help guys.

im 99% sure there is no such thing as a speakerphone mic

If there is no speakerphone mic then how does the phone pick up sounds so differently during speakerphone mode? Ultimately, even if there isnt a dedicated mic for speakerphone, the phone is apparently utilizing the "speakerphone method" of picking up sound from my end so i guess consider my question rephrased.

How does using a headset effect the transmitted sound? Perhaps the built in mic is defective.

It seems stupid but I havent actually thought to try that yet. The next time it does this, which will probably be sometime today, I will give it a shot and see how it reacts.
I mean, does anyone know for sure if the speakerphone utilizes the mouthpiece as it's mic? The mic is clearly treated differently during a speakerphone call but I dont know for sure by what method.
This is a very frustrating issue.

Could this have something to do with the setting (in system tab) 'Microphone AGC'? ..I know it says it effects the microphone during recording, but could be worth a shot..

I just checked that setting and it is disabled so I guess AGC isnt the culprit.
I could have sworn I read about this happening somewhere else on these forums but I couldnt find it for the of me.

Issue With Phone audio

Hey guys n gals, I have a slight issue here with my mom's Inspire 4g.
The sound seems to quit when ever a call is received or made, unless a headset is attached or its on Speakerphone. What I mean is that the personon the other end cannot hear us, but we can hear them. Sometimes we can't hear them either and the other person only hears them self talking.
It works perfectly during a call with Bluetooth, Wired Headset and speakerphone.
Does this sound like a software bug or a hardware defect?
Its the original stock Rom from ATT and is not rooted.

Frrrrrrunkis said:
Hey guys n gals, I have a slight issue here with my mom's Inspire 4g.
The sound seems to quit when ever a call is received or made, unless a headset is attached or its on Speakerphone. What I mean is that the personon the other end cannot hear us, but we can hear them. Sometimes we can't hear them either and the other person only hears them self talking.
It works perfectly during a call with Bluetooth, Wired Headset and speakerphone.
Does this sound like a software bug or a hardware defect?
Its the original stock Rom from ATT and is not rooted.
Click to expand...
Click to collapse
Call HTC and have them swap the phone.

Problem with microphone. Help please.

I have problem with microphone. I don't know what can happen, yesterday I talk normally to today, when I speaking I hear myself voice in my phone, so if any person call to me he can't hear me what I talking.
But I discover that when I put on my headphones in minijack and when I talking microphone working o,O. So at this moment I only can calling with my headphones .
Whats going on ??

hey i'm having the similar problem and the one who talk to me cannot hear any voice from me. i just found the problem appears yesterday. Anyone here can help us,please,i don't wanna flash the rom once more to check whether it is related to the hardware damage or not

It not fault a ROM, becuase I instaled ROM again and problem are not solved .
In my opinion problem is in slot to headphones, I think connector did disconnect and microphone not working because when I put headphones mikrophone working...

Anyone having outgoing speakerphone quality problems?

Anyone having problems with the audio quality when using speakerphone?
I have a bunch of people complaining to me about the way I sound on speakerphone. It sounds like I am in a hole and there is a popping/screaching that they hear.
The person I am having the most problems with is on Verizon with a new Note 3.
I thought it might be the HK hack causing the problem but reversing it back to stock doesn't alleviate the issue.

Bottom microphone problem

Hello
I've got a problem with the mic on my s7, the one on the bottom of the phone. Few days ago everything was normal, i had good voice quality while talking but now nobody can hear me because the sound is really quiet. When i open up sound recording I hear some stuttering and white noise and I have to talk directly to the mic to hear my voice. The top speaker works perfectly fine btw. I tried to flash different roms and the problem is still there, but now it's quite better than it was before.
Did anybody have similar problem and knows the way to fix it? Or is it possible to turn the top mic as the main one?
I don't want to send it to the service bc I don't have warranty and they can break the screen and then it is expensive to repair.