[Q] mic input with headphone plugged in - Nexus 4 Q&A, Help & Troubleshooting

Hi, I just noticed that voice search, or any app using the microphone is working when I have headphones or auxiliary cable plugged in. I know that the internal microphone is not supposed to work if you have an headset with a mic plugged in, but I don't understand why it doesn't work with a simple aux cable to my car stereo. The only time that I would like to use voice search or voice typing is usually in the car, but when I'm there the phone is usually plugged in for music... Any solutions? I tried different cables. Is this a kernel/rom problem? I'm running latest PAC with Franco kernel. Thank you very much

it's been a long known problem that the microphone sensitivity doesn't adjust accordingly when an aux plugged in.. stupid I know.. I was one of the first people to bring this up, it's never been amended[surprisingly]. I resorted to bluetooth in my car instead.
The only way the mic will hear you with aux plugged in, it with your mouth right next to the phone, unless you have an inline mix on the headphones. And if it's plugged into the car unless you have the phone duck tapped to your face, same problem.. I assume this is the same problem you're experiencing.
Samsung Galaxy Nexus didn't have this problem, microphone sensitivity was high when aux plugged in, if no in-line mic detected.

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[Q] Playback through Car aux connection

I play audio podcasts through car's aux in and just plug in the other end to my Focus's headphone jack. I have noticed that many times the podcast suddenly lowers volume to nearly inaudible levels and happens intermittently.
Once the problem shows up if I
- play songs, the volume level is fine
- stop and start playback of podcast, the problem persists.
- unplug and continue playback on Focus' speaker, the volume level is just fine
- unplug and plug it back in and the problem goes away.
- never have this problem when playing back over headphones (when in gym)
I have this problem only with Podcasts and don't get it at all with songs or videos.
Anyone else noticed this?
Audio output sucks on this phone, that is for sure. Major issues. Sorry to hear about yours.
Thresher said:
Audio output sucks on this phone, that is for sure. Major issues. Sorry to hear about yours.
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how so? i'm not having any problems at all.
Did any of you notice it's not your standard 35mm jack? The headphones that come with the phone are clearly deeper than the standard jack, and have two bands around it instead of the normal one.
I presume you are using standard cable to connect to car's aux jack....
I would check to see if there is a special samsung accessory to make the proprietary jack into a standard aux output?
Samsung are notorious for using this style of jack on their phones. The Galaxy line of android phones use the same jack.
dead_on_the_floor said:
Did any of you notice it's not your standard 35mm jack? The headphones that come with the phone are clearly deeper than the standard jack, and have two bands around it instead of the normal one.
I presume you are using standard cable to connect to car's aux jack....
I would check to see if there is a special samsung accessory to make the proprietary jack into a standard aux output?
Samsung are notorious for using this style of jack on their phones. The Galaxy line of android phones use the same jack.
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that is weird. i hook mine up to my car with the same jack i used for my iphone with no problems. in fact i am under the assumption the sound quality is actually better than with the iphone.
maybe this is a canada thing?
The plug is set up to use headsets with the microphone, and may not work well with some older stereo audio cables. However, I have used it with a podcast and found it to work quite well. I suggest trying another cable, cuz the Focus works fine.
The line level output of the 3.5mm jack is approx. 40% less than that of the iphone, or my HTC Tilt2. That is the issue I have and that others have commented on.
For instance, iphone plugged in playing on my car stereo, Panteras Cemetary Gates @ 320kbps MP3 is mind boggling loud at 50% volume on the car and 100% volume on the iphone. With the Focus the car stereo volume needs to be at 90% to be equal to the volume of the iphone.
Also, since the Focus needs to be at 100% and the car stereo nearly 100% you hear the phones whining, hissing and popping and every non-music portion.
Super lame.
There's some volume problems that I've noticed on the Focus, in that it's not consistent through playback sessions and such.
The iPhone 4 uses a Cirrus Logic codec with an integrated headphone amplifier, the Focus seems to use the built-in codec with it's headphone amplifier, which might not have the same amount of oomph.
I've measured a 7-8dB lower volume on the Focus when using a line-out cable to an Audio Precision test machine.
Thanks for reporting that! Great post.
Does anyone have this problem?
Ok, I have a mp3 car adaptor that I used with my Tilt and Tilt2 without any problems. Rich sound and bass. I plugged in my Focus (just got it last night) and music only comes out one speaker.
In my '95 M3, I run an Alpine HU (9814 IIRC) with a Line in Adaptor, I run very HD (thick) gold plated lines and a Splitter (all from Monoprice.com, one goes to my portable Sirius, other pops up by my center console sunglass cubby, split happens under the passeger seat) and I usually have my 120Gb Zune attached to it, but I tried with the Phone the other day and it worked great. Played a Tool concert and it sounded as good as the Zune. Like the Zune I set the volume to about 80%, still had plenty of head room for serious volume in the Alpine. (only way to listen to Tool is LOUD!) I do run an old school Pioneer Amp, Pioneer Kevlar Components, 2 JL Audio Stealth Boxes (each is an 8" Sub).
I want to escalate this issue but I need you guys to quickly reply on the MS forums so that it gets taken seriously. Please hit the "I need an answer too" button and give some sort of descriptive reply.
http://social.answers.microsoft.com...7/thread/9c92dad9-5e12-465d-a0fb-b9465179b436
I hope that his is a software side optimization since we are able to make the volume higher with the diagnostic codes.
I added my vote there.
Raptor550 said:
I have a second complaint. When I stick a headphone jack in the mic turns off, it probably is expecting an inline mic with the headphones. My problem is when I then go to pull out my headphones the phone doesn't notice and will continue to not hear. It takes two or three times reinserting and pulling out the headphones to remidy this. Is anyone else haveing this issue.
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Same problem here. But is worst, I connect the Focus to my Car Auxiliary jack to use it as a mega speaker, I mean, when someone calls I can hear them, but they can not hear me. The microphone is dead when I plug it in. Someone knows a fix for this?
jaraya13 said:
Same problem here. But is worst, I connect the Focus to my Car Auxiliary jack to use it as a mega speaker, I mean, when someone calls I can hear them, but they can not hear me. The microphone is dead when I plug it in. Someone knows a fix for this?
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Can't say that I have a fix for it, but it may be the connection your cable is making with the jack in the phone. I do the same thing, have the phone mounted in a jack around the same height as my head unit and people hear me fine when I speak during a call. I am currently using a cable from radioshack designed for recessed headphone jacks. Can't think of the brand off the top of my head however.
rswilson411 said:
Can't say that I have a fix for it, but it may be the connection your cable is making with the jack in the phone. I do the same thing, have the phone mounted in a jack around the same height as my head unit and people hear me fine when I speak during a call. I am currently using a cable from radioshack designed for recessed headphone jacks. Can't think of the brand off the top of my head however.
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Hi pal, thanks for the reply, but I couldn't understand very well your explanation. What is a recessed headphone jack? What is the head unit?
Thanks in advance!
I have not noticed this problem however the microphone shutting off is very annoying and funny since at&t says texting while driving is unsafe yet i have to unplug my phone while driving to turn on speaker and talk. they need to fix that ASAP

[Q] Problem playing music through car aux port

I connect the headset jack to the aux port of my car. Half the time the music continues to come out of the phone speakers. Any solutions to this problem?
Am 99% certain the headphone jack on the DX (3.5mm) should default to playing to whatever source is plugged in. What ROM are you running and have you ever messed with your sound options?
Original rom just rooted.no I never messed with it.
Are you sure you are fully pushing it in?
Yes ,sometimes works fine sometimes one speaker sometimes doesn't play at all!
I think that the problem is not the phone - make sure the other side of things is working (test with another device).
I would say its prolly your auxiliary cable that you are using or its the headphone jack of your x... I've had my headphone jack go bad on so many discmans to my ipod and just last week my aux cable in my car started to go bad by only playing out of one side of the speakers
Sent from my DROIDX using XDA App

[Q] Headphone jack

So as most of us know the mic on the TF sucks completely for video chatting. Has anyone figured out how to just hook up a mic to the TF without it turning off the TF speakers?
Right now I have a removable mic from my Razor headset that I can plug into any mic jack and use it on, but since the jack on the TF is for headphones and mic, it disables the sound from playing on the internal speakers.
I'm going to try and dig around on the back end to see if I can find the code that disables the speakers, but I was just wondering if anyone has come across this yet?
Ubelmort said:
So as most of us know the mic on the TF sucks completely for video chatting. Has anyone figured out how to just hook up a mic to the TF without it turning off the TF speakers?
Right now I have a removable mic from my Razor headset that I can plug into any mic jack and use it on, but since the jack on the TF is for headphones and mic, it disables the sound from playing on the internal speakers.
I'm going to try and dig around on the back end to see if I can find the code that disables the speakers, but I was just wondering if anyone has come across this yet?
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My mic is detected as headphones, even worse off than you. You need to get those 1-to-2 splitter for iPad/iPhones, no way of not turning the speakers off (unless you modify the kernel source and compile your own)

People can't hear me when my headset is plugged in

This does not happen every time and a reboot seems to fix it for a little while however....
When I plug my headset in (no mic on headset) no one can hear me regardless of the phones mute setting. If I unplug the headset everyone can hear me again. Ending a call and starting a new call doesn't resolve this issue either. I have to do a full reboot or not use a headset. It is very annoying. Anyone heard of this issue before?
Seems like the phone is registering the headset as having a microphone when it doesn't. How many bands are on the plug? Stereo headphones generally only have 2 plastic rings on the plug, while headphones with a microphone will have 3. If the headphones plug has 3 bands or isn't sitting in the jack correctly it might be registering as having a mic when it doesn't.
There are only two bands on the headphones

Use USB-C Headphones?

I got my Mate 9 Pro wet on a run a few weeks ago, I dried it out pretty well, however every time I plug headphones in now, it screws up a bit, thinks headphones are still plugged in, this lasts for a few days then returns to normal!
Of course while it thinks headphones are still plugged in it sends all audio to the headphone socket, so calls etc have no sound. (I've installed SoundAbout which is pretty good, I can enable and disable sound to the headphone socket with a widget button.)
I'd rather avoid doing this and simply switch to USB-C headphones.
I bought a USB-C headphone adapter, but the phone doesn't recognise it.
Any ideas how I can get the phone to send audio to a USB-C headphone adapter? SoundAbout has an option that says it send audio to the USB, but it doesn't!

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