Been noticing that I say ok Google at the top of the phone and nothing happens then say it at the bottom and it works. Tested with the phone in safe mode and it still happened. If i block the bottom microphone it can't pick up anything. Anyone else can test this to see if they have the same issue or if it's just me that got a defective device.
Thanks in advance
I think the top microphone is for noise cancelation. So I think it's normal.
Sent from my SM-G935F using Tapatalk
It was my understanding that they both pick up sound and noise cancel between them. That's the way it's been on other phones I have had.
Tried mine, and it is the same as yours.
I also tested it by using the voice recorder app, speaking into the top microphone while covering the bottom mic and then playing back to see if it is picking up sound. The playback was very quite. However it works normal when using the bottom mic.
Additional info, the phone user guide indicates that the voice recorder app has two modes of operation - standard and interview. In interview mode both top and bottom mics are in operation. I put the voice recorder app into interview mode and run the same test ( covering the bottom mic and speaking into the top mic) , this time the playback was loud and clear.
So it might be that in normal operation the top mic operates in noise cancellation mode as suggested above.
The bottom mic is designed to take your voice input. The top mic is designed to hear ambient noise, and subtract that information from the signal the bottom mic sends to the phone, reducing the amount of noise on your call or recording. That's the way all my phones with a noise cancelling mic work.
It works with the voice recorder
iofractal said:
Been noticing that I say ok Google at the top of the phone and nothing happens then say it at the bottom and it works. Tested with the phone in safe mode and it still happened. If i block the bottom microphone it can't pick up anything. Anyone else can test this to see if they have the same issue or if it's just me that got a defective device.
Thanks in advance
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Click to collapse
Hello, the top mic works with voice recorder when you choose the "interview" mode from the 3 options on top.
I know for sure that both mic works on mine. I don't know whether some apps will use the top mic only for noise cancelation, as others have mentioned.
I used an app called "Easy Voice Recorder Pro" and enabled Stereo recording in the settings in this app. The top mic works as left, and the bottom one works as right. You can try gently rubbing your fingers over the mic area to see if it picks up the sound and play it back wearing a headphone.
As others are saying.
The top moc is use for phone calls.
You can use the top mic for interview mode.
This is all normal
Related
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.
Does anyone else have the problem where the other person can't hear you when you use a pair of headphones while in a call? When removed, they can hear me fine. I'm hoping that this is a software issue that can be resolved in an update. If not, then i want to return it before my remorse period is over.
I am having distorted sound - other party hearing it unclear and distorted..
looks like a hardware issue.. tried with 2 earpiece... no luck.
I'm actually starting to wonder about that. It may actually be a software/driver issue. I was on the phone yesterday and decided to do some testing. Unplugging them and plugging them back in provides perfect audio to the other person for a few seconds before going back to garbage, as does muting and then un-muting the microphone when in a call. Something I've noticed about the microphone is that the gain seems to be set too high - try to make a recording of cars going by - guaranteed clipping (don't have the volume too loud or you could blow out the speaker you're listening to it on).
rr5678 said:
Does anyone else have the problem where the other person can't hear you when you use a pair of headphones while in a call? When removed, they can hear me fine. I'm hoping that this is a software issue that can be resolved in an update. If not, then i want to return it before my remorse period is over.
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Click to collapse
I ran into the same issue. However, the headphones I was using didn't have a built in microphone. I discovered that if I plug in headphones that lacked a built-in mic, the phone switches its internal microphone's gain to the gain it would use if you were holding the headset to your ear. I held the microphone in close proximity to my mouth and that solved the issue.
I guess this would be a software issue.
KlipperKyle said:
I ran into the same issue. However, the headphones I was using didn't have a built in microphone. I discovered that if I plug in headphones that lacked a built-in mic, the phone switches its internal microphone's gain to the gain it would use if you were holding the headset to your ear. I held the microphone in close proximity to my mouth and that solved the issue.
I guess this would be a software issue.
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That's exactly the testing I did and exactly what I was thinking. Now to wait for LG or Google to fix it.
Another experiment you might try would be to put your finger over the secondary microphone on top of the phone and see if that makes a difference. (My guess is that the reason your voice comes through softly with the headphone plugged in is that the phone is still doing background noise suppression, which works by taking the difference between the main microphone, which picks up your voice plus ambient noise, and the secondary microphone, which mostly picks up just the ambient noise. When your mouth is far away from the phone, your voice is equally loud in both microphones, so the difference doesn't yield much voice signal. If your voice comes through louder after stopping up the secondary microphone, that would confirm this explanation for the problem.)
wmm said:
Another experiment you might try would be to put your finger over the secondary microphone on top of the phone and see if that makes a difference. (My guess is that the reason your voice comes through softly with the headphone plugged in is that the phone is still doing background noise suppression, which works by taking the difference between the main microphone, which picks up your voice plus ambient noise, and the secondary microphone, which mostly picks up just the ambient noise. When your mouth is far away from the phone, your voice is equally loud in both microphones, so the difference doesn't yield much voice signal. If your voice comes through louder after stopping up the secondary microphone, that would confirm this explanation for the problem.)
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Next time I'm in a long phone call where I am using headphones, I'm going to try that. It could be possible.
wmm said:
Another experiment you might try would be to put your finger over the secondary microphone on top of the phone and see if that makes a difference. (My guess is that the reason your voice comes through softly with the headphone plugged in is that the phone is still doing background noise suppression, which works by taking the difference between the main microphone, which picks up your voice plus ambient noise, and the secondary microphone, which mostly picks up just the ambient noise. When your mouth is far away from the phone, your voice is equally loud in both microphones, so the difference doesn't yield much voice signal. If your voice comes through louder after stopping up the secondary microphone, that would confirm this explanation for the problem.)
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Click to collapse
This appears to be what is happening. The top mic is doing noise cancelation for the bottom mic.
I called a friend and plugged in headphones. When I didn't cover either mic, she said I was quiet (because the phone thought I was background noise). When I covered the top mic, she could hear me fine.
At this point, I'm inclined to say this is a software issue because the phone app can switch between microphones and which one is used for background noise cancelation. (Putting the device in speaker mode appears to use the top mic only.)
Sent from my Nexus 10
That's good confirmation -- thanks for running the experiment. Maybe I'll put a little wad of putty in the car to stick over the top microphone while I'm driving!
I don't know why so sudden my V20 got problem with it's mic.. There is even a bigger problem which is I don't even know what to be replaced now..
There is 2 situation here :
1 - When in call, with normal mode..everything is working fine but whenever i'm trying to put my phone to loudspeaker mode.. The people whose in call with me is claiming that there is a dead silence when i'm in loudspeaker mode..
Same goes when i'm in Whatsapp Videocall as example, i can hear them but they can't even hear me..
2 - When i'm doing recording with HD Voice Recorder app, the left channel won't even got anything recorded.. Only the right channel does the job..
Same goes with video recording, only right channel does the job while the left channel sound records nothing..
I'll be informed that V20 have 3 mic and it is obviously one at top and one at the bottom while another one is inside the phone nearby the earpiece if i'm not mistaken.. so now, i'll need help.. Which mic should i'll replace to get everything working again?
I'll believe my top mic is broken but which one? The one at the left before the earpiece or at the right next to earpiece? HELPPpPpppPpppPp
nevermind, got mine fixed.. just replace the new mic at the top and now i have back my fully functional V20 again..
i'll never know that phone is using a different mic for normal call mode and loudspeaker call mode.. Now i'm feeling like an idiot because everytime i'll do loudspeaker, i do scream at the bottom mic while it is using top mic ATM.. gosh
I just got mine and no one could hear me, i pushed a thumb tack in the bottom mic hole because it looked like a little plug or plastic was blocking it and and now it works fine, mine was a refurb phone
Bottom mic
My phone mics worked in speaker phone calls but not talking through the regular in-call mic. I had a repair man change the bottom mic today. He had to install 4 mics to get it and the one that worked was out if a Samsung phone! Cost me USD$60. Apparently my phone had water damage before I bought it used. That's annoying but I'm back in business!
I am in the same exact situation. Replaced the main loudspeaker, top two earpiece speakers and still my voice won't come through on the other end of a normal headset mode call. Only can speak through loudspeaker. What part must I replace? I'm thinking normal headset mode sound is received through the pinhole area next to the 3.5mm jack. What part do I replace?! It's getting personal now. I will fix this phone!!
Not counting the two earpiece speakers up top on the mainboard, and the large loudspeaker on the bottom what other speakers are there for me to replace?
There appears to be a mic at the top of the phone and a mic at the bottom of the phone, I assume to record in stereo. For voice calls on speakerphone, which mic is active? I'm trying to figure out which is the best way to hold the phone when it's noisy and I want to speak directly into the mic.
And for other functions like google assistant, should I be speaking into the top or bottom mic?
enozten said:
There appears to be a mic at the top of the phone and a mic at the bottom of the phone, I assume to record in stereo. For voice calls on speakerphone, which mic is active? I'm trying to figure out which is the best way to hold the phone when it's noisy and I want to speak directly into the mic.
And for other functions like google assistant, should I be speaking into the top or bottom mic?
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I don't think so. The top one is the noise cancellation mic
Hi! The upper microphone works when talking on speaker phone or with headset, but the bottom one doesn't. I've also tested with the microphone amplifier app, which clearly shows that the upper works and the bottom (default) doesn't. The line is completely still and value at 0 for the default mic.
In the beginning it was random, working on some calls and not others. All of the sudden it stopped working conpletely, on calls and with all apps.
Have tried cleaning it with a needle, didn't work. Have also tried flashing two mic fix I found here on the forum, they didn't work either, one by user fbs and the other by thejester123.
Has anyone had similar issues and found a solution?
If the zero is the peak signal reading, mike may be dead(or killed with the needle now).
I it's a volume/amp register it's software related.
Normally the microphones should just switch with talk modes, one being the microphone and the other for ambient noise reduction.