[Q] can you take calls thru the aux jack in the car? - Thunderbolt Q&A, Help & Troubleshooting

Hi guys.
Is there any way to use phone calls with car aux?
I hear them, but they can't hear me.
I think when I connected it to aux, phone mic doesn't work.
Any idea?
Thanks

yes normally you can on other android phones. but the TB has a bug where the mic is getting disabled by accident. so a fix should come eventually.

Its not a bug. They designed it that way. Complain on their web site and hopefully they will realize their mistake.
Sent via bits and bytes

that's correcto mundo! the headphone jack has 3 channels on it (2 for stereo out and 1 for mic). as soon as you plug in an audio cable into the headphone jack input/mic is routed from there even if there is no mic channel present.
i recommend using a bluetooth speaker phone in your car.

There is a aux cable with a mic that works just fine. I picked one up at staples.

Actually one of the Rom's I installed on my phone fixed that. I believe it was Das BAMF 1.6.x that allowed people to hear me when my head phones were in. Not sure if you're rooted or not, but there are roms out there that fixed that problem.

All you need to do is accept (or make) the call and then click the speaker button, otherwise it's looking for a headset microphone.

you can put your phone on TTY VCO and it will work. settings >call>tty mode. you will have an extra icon at the top but it does the trick untill HTC fixes the issue.

Might be late on this but, i had the same issue until I flashed das bamf 1.6.3. Just went outside and checked and is working fine in the car and while using regular earbuds.

dark juggalo said:
you can put your phone on TTY VCO and it will work. settings >call>tty mode. you will have an extra icon at the top but it does the trick untill HTC fixes the issue.
Click to expand...
Click to collapse
It works! Thanks

i'm on the BAMF 1.6 boat. never knew there was an issue until i read this thread. i have taken calls on my thunderbolt for awhile now using my phone in its dock. pretty slick. just wish the headphone out was a bit more powerful. not as loud as my og droid.

Related

Lost external speaker sound

I have completely lost the sound from external speakers and coincidentally this has happoened since upgrading to AP4 though I am reasonably sure AP4 was NOT the cause of it. But am posting to see if this has happened to any of you. I was using an external stereo headset in the 3.5mm jack and after pulling it out, the speakers on my 7501 don't work. The weird thing is the phone will RING out the external spekaers but the actual phone calls, media player or notifications won't play out the external speakers. It is behaving as if the unit thinks a headphone jack is still in the 3.5mm slot when nothing is there. The USB port headset won't work either which leads me to believe the unit definitely thinks a 3.5mm headset is plugged in when one isn't. Everything else works perfect. Thoughts? Solutions? Please help -- can't send it in for warranty work as I cannot downgrade back to the original HTC WM6 build because of the AP4 upgrade.
Plenty of people already experienced this problem. Try to use the search function next time.
Nevertheless, here's the solution (probably):
First set up you Athena to play some music, so you can hear immediately whether the sound is working.
Then, try to poke around in the 3.5 jack using the headset (or something similar in size). Inside the jack there's a loose contact which makes your athena think a headset is still plugged in, even when it clearly isn't. After some poking, your sound should be working again
dwergsnot said:
Plenty of people already experienced this problem. Try to use the search function next time.
Nevertheless, here's the solution (probably):
First set up you Athena to play some music, so you can hear immediately whether the sound is working.
Then, try to poke around in the 3.5 jack using the headset (or something similar in size). Inside the jack there's a loose contact which makes your athena think a headset is still plugged in, even when it clearly isn't. After some poking, your sound should be working again
Click to expand...
Click to collapse
To avoid similar recur best consider a good stereo Bluetooth for music and phone.
I’ve encountered before, repeating inserting a 3.5mm jack may not always resolve the issue.
You guys are the best! (Actually I did do a search but couldn't find the problem referencing the Athena). Anyway, wiggling the headset jack about twenty times in and out reset the loose contact and restored sound from the speakers. I will not be using the 3.5mm headset again. Thanks for the help!
dwergsnot said:
Plenty of people already experienced this problem. Try to use the search function next time.
Nevertheless, here's the solution (probably):
First set up you Athena to play some music, so you can hear immediately whether the sound is working.
Then, try to poke around in the 3.5 jack using the headset (or something similar in size). Inside the jack there's a loose contact which makes your athena think a headset is still plugged in, even when it clearly isn't. After some poking, your sound should be working again
Click to expand...
Click to collapse
This problem has beset all HTC devices from the earliest SPVs, a matchstick or paperclip often help but a BT headset is easier.
Same problem .... but still not solved
These guys really are the best.
I got the point as to what the problem actually is, Still after poking the 3.5 jack in and out many times the sound (songs n calls) is still not working.
though the incoming ring is working. any suggestions pl .
(Anyway because of this problem i downgraded to spl1.2 and now using mincy's 2.04. it even solved my TCPMP not playing flash vids prob.)
alyn99 said:
You guys are the best! (Actually I did do a search but couldn't find the problem referencing the Athena). Anyway, wiggling the headset jack about twenty times in and out reset the loose contact and restored sound from the speakers. I will not be using the 3.5mm headset again. Thanks for the help!
Click to expand...
Click to collapse
Just to make clear what is happening, the 3.5 socket mechanically disconnects the speakers when you plug in the earpiece. over a period of time the spring contact looses its springiness. this leads to a poor contact and off goes the speakers. by poking this contact you are moving it till contact is made. you are best stopping using this socket if it is showing these signs before you loose sound all together. I am sure you can have a new socket fitted but I bet it isn't cheap. As already stated its best to use bluetooth.
Hope this makes things clear
Jay
If you can get your hands on one, you might rather use a headset with a extUSB jack. For instance, the standard headset from the Touch Diamond works fine on the Athena.

call routing thru 3.5mm Jack issues

I'm using obsidian v2 froyo build. Music and navigation work fine thru the headphone Jack when attached to my car stereo. However when a call comes in or if I'm trying to make a call I get nothing. I've searched thru various forums and others are having the same issue but could not find a solution. Any help would be appreciated
its a "feature" of all the froyo roms. froyo seems to want to ignore headphones without mic as it has a self-esteem problem and does not trust the quality of its mic at a distance.
it seems to be a kernel issue and won't be able to be addressed until they devs have source. only alternative is to have a cable with an in-line mic. that works for most of the roms. (i would say all, except i just flashed latest macnut and its not working )
EDIT: also, don't post this in dev forum. i answered nicely, but this is not the appropriate venue.
So why does it work for some and not for others
wait, so audio out still works fine but NOT the in-line mic?
sorry for the noob question, but i was going to flash obsidian later this evening, and i really need the 3.5 audio out. don't really care about using in-line mic headphones at all
thx
it doesn't. those for whom it works are those using headphones with a mic, those for whom it doesn't are using headphones or cable without mic.
well, crap
pmnuon said:
So why does it work for some and not for others
Click to expand...
Click to collapse
It is a kernel issue. We are looking into it.
The funny thing is when I first flashed obsidian v2 I attempted to try out the 3.5mm out thru my car speakers. I was listening to Pandora in my car, I received a call and I heard the caller thru my car speakers. But it has not worked since then. And all I'm using is an audio out cable attached to my Alpine head unit
This does not work on any Froyo Roms, because of the required external mic, but does anyone know of a 3.5mm adapter that has a jack for headphones as well as a inline mic? Would this work ?
EDIT:
Looking at the audio routing from this page: http://developer.android.com/reference/android/media/AudioManager.html
it looks like some of it is deprecated, does this mean that it will never work?
int ROUTE_EARPIECE This constant is deprecated. Do not set audio routing directly, use setSpeakerphoneOn(), setBluetoothScoOn() methods instead.
int ROUTE_HEADSET This constant is deprecated. Do not set audio routing directly, use setSpeakerphoneOn(), setBluetoothScoOn() methods instead.
int ROUTE_SPEAKER This constant is deprecated. Do not set audio routing directly, use setSpeakerphoneOn(), setBluetoothScoOn() methods instead.
krylon360 said:
It is a kernel issue. We are looking into it.
Click to expand...
Click to collapse
I see. Well I hope there's a solution soon, in the meantime keep up the great work u guys are doing for us.
I'm having a hard time understanding what everyone is saying is broken here...
I use a standard line out cable from my headphone jack into the analog aux input on my car stereo. I purchased a cheap extension cable that has the 3.5mm plug on one end and a mic/button at the other end that I plug the regular cable into. When I get a call, I pick up the mic on the cable and speak into it and I can hear the caller through my stereo and they can hear me just fine. This has always worked for 2.1 ROMS and so far has worked for three 2.2 ROMS I've tried.
Everyone is saying that the mic function is not working, but it's working fine for me.
Shrivel said:
I'm having a hard time understanding what everyone is saying is broken here...
I use a standard line out cable from my headphone jack into the analog aux input on my car stereo. I purchased a cheap extension cable that has the 3.5mm plug on one end and a mic/button at the other end that I plug the regular cable into. When I get a call, I pick up the mic on the cable and speak into it and I can hear the caller through my stereo and they can hear me just fine. This has always worked for 2.1 ROMS and so far has worked for three 2.2 ROMS I've tried.
Everyone is saying that the mic function is not working, but it's working fine for me.
Click to expand...
Click to collapse
It is working for you because of your extra external mic, it is confirmed a few post back that when using an external mic, it work fine but when using just a pair ear phones + internal mic (the one at the bottom of your phone), it fails to work. It used to work on 2.1 roms.
same thing here, went from fusion 1.1 to V4 Onyx...big pain in the ass out on the road today. Never wold have thought to check for that. I constantly have music going, ussually it will pause my mp3, and beep and show up the phone call, but now music plays, until I anwser and no go from the headphone jack.. I have mine hooked to an fm transmitter so i can take calls over car speakers.
Shrivel said:
I'm having a hard time understanding what everyone is saying is broken here...
I use a standard line out cable from my headphone jack into the analog aux input on my car stereo. I purchased a cheap extension cable that has the 3.5mm plug on one end and a mic/button at the other end that I plug the regular cable into. When I get a call, I pick up the mic on the cable and speak into it and I can hear the caller through my stereo and they can hear me just fine. This has always worked for 2.1 ROMS and so far has worked for three 2.2 ROMS I've tried.
Everyone is saying that the mic function is not working, but it's working fine for me.
Click to expand...
Click to collapse
Which cable are you using that has a built in mic? Should I look in my G1 / Mytouch boxes for an old one?
PaiPiePia said:
It is working for you because of your extra external mic, it is confirmed a few post back that when using an external mic, it work fine but when using just a pair ear phones + internal mic (the one at the bottom of your phone), it fails to work. It used to work on 2.1 roms.
Click to expand...
Click to collapse
Ah. That makes more sense then - I thought people were using the mic built into the headset, not the actual phone.
d33dvb, the cable I use is similar to this one:
http://www.accessorygeeks.com/apple-iphone-maletofe-headset.html
It's an iPhone accessory, but works fine with the Vibrant. It's been a few months since I bought it, and don't remember where I got it, but I do know that I got two of them for less than 8 bucks.
Shrivel said:
Ah. That makes more sense then - I thought people were using the mic built into the headset, not the actual phone.
d33dvb, the cable I use is similar to this one:
http://www.accessorygeeks.com/apple-iphone-maletofe-headset.html
It's an iPhone accessory, but works fine with the Vibrant. It's been a few months since I bought it, and don't remember where I got it, but I do know that I got two of them for less than 8 bucks.
Click to expand...
Click to collapse
Thanks man, I think I will hit the best buy and that will be my temp solution to running 2.2
This issue is the biggest reason I'm not running a 2.2 rom.
What's the quality of the mic like on that adapter cable? The mic built into the phone is really good, I was on a call one day and had only raised my voice a little, but the caller on the other end asked me to stop yelling. I was like "Umm... I'm not"
raduque said:
This issue is the biggest reason I'm not running a 2.2 rom.
What's the quality of the mic like on that adapter cable? The mic built into the phone is really good, I was on a call one day and had only raised my voice a little, but the caller on the other end asked me to stop yelling. I was like "Umm... I'm not"
Click to expand...
Click to collapse
I agree, the quality is amazing. I wish the source were out for 2.2 :/
raduque said:
This issue is the biggest reason I'm not running a 2.2 rom.
What's the quality of the mic like on that adapter cable? The mic built into the phone is really good, I was on a call one day and had only raised my voice a little, but the caller on the other end asked me to stop yelling. I was like "Umm... I'm not"
Click to expand...
Click to collapse
Haven't had any complaints and I talk to lots of different people using it.
http://item.mobileweb.ebay.com/viewitem?itemId=390256615981
found this on ebay, think it might work?

[Q] Mic Turns off when headset(Aux) plugged in on thunderbolt

I have been using a standard aux(3pole) cable with my Droid, Droid 2 and HTC Incredible, to connect it to my car speakers and listen to music. The nice part is all those phones did not turn off the mic on the phone. The thunderbolt turns off the mic so when I get a call I hear the person on the other line through my car speakers but he doesn't hear me(mic turns off). Any one know if it is possible to enable the phone mic to stay on? I am open to mods or roms, i just really need this to work.
Kinda frustrating because it works with my other phones.
This is very frustrating. As far as I know, there is no way around this yet. We'll have to wait for either an HTC software update or something Like CM7 to fix it. I wouldn't get my hopes up for HTC to fix it, since they are saying that the phone was designed to act like this. I think our best bet is to email HTC with the issue. They can't ignore ti if they are getting thousands of complaints about it... can they?
i hope cm7 will take car of it. I have cm6 running on the incredible and it works just fine.
Its a safety issue in my mind, it lets me drive hands free with just an aux cable. Instead of fiddling with it to make it work. This is the only thing that i dont like about the Thunderbolt.
this is extremely frustrating. I used to use that all the time on my OG droid and on my atrix.
totally lame! I hate to say it but I'm starting to miss my incredible.
here is a solution http://cgi.ebay.com/ws/eBayISAPI.dl...49206&ssPageName=STRK:MEWNX:IT#ht_2617wt_1141
I got 2 of these, 1 for each car and it works perfectly. Hope this helps.
Remember seeing a code snippet either on irc or twitter yesterday that looked like HTC hard coded the headset value into the software so it thinks anything plugged in has a mic.
When this happens I just hit the speaker button on the phone and the mic comes back on, not the best solution but at least something for now.
Just got off of the phone with an HTC Support Rep. He did some digging and discovered that this model has issues with headsets that have volume controls on them (e.g. iPhone headset). He had no idea for a fix, no other information available. I asked him to open a support ticket in my name, however. <== Anxiously awaiting to see if CM7 resolves this issue too.
Any news
has anyone heard anything more about this it is really annoying
I just can add that ZTE Blade (San Francisco), behaves the same way.
Right now on CM7.1 (2.3.7)
I'm already thinking about using an auxiliary cable with mic to connect the phone to my car as pointed out by vitsdroid.
I use the inline mic for my car setup so that I can answer a call which I am listening to music.
If its an important call then I switch to a wired heardset/mic which is alot quieter for the person on the other end of the call.
Found this in another thread...
RicoX9 said:
Took me a while to find this (from teambamf forums)
Settings -> Call -> TTY -> TTY VCO
Works like a champ. I have a really good set of headphones I listen to music and audiobooks on. They're very durable and sound pretty good. First set I've had that lasted me more than 4-6 weeks. No inline microphone. Now I can just use the on-board mic.
Click to expand...
Click to collapse
Sent from my ADR6400L using XDA App

[Q] Problem with Ear Buds.

Hi Everyone...Question where is the code behind the earbuds? Reason I am asking is that I plug my earbuds in and I can hear just fine but the person on the other end can't hear me. If I set TTY to VCO it works but audio stinks. Is this a Radio/ROM/KErnel issue??? Or do I need to unroot and take it back lol...someone please let me know!!!
Thanks!!!
it can be either or...
i found when using some AOSP roms(mainly older versions of CM7) people had a hard time hearing me.
currently i'm using CM7 1.6.1 and that's not an issue anymore.
In case anyone sees this it was actually a hardware problem, got a replacement phone and used the same ROM/kernel and all worked perfectly...the tech said that the saulder connections on the ear buds goes out easily...
Sent from my ADR6400L using Tapatalk
BuffoGT said:
In case anyone sees this it was actually a hardware problem, got a replacement phone and used the same ROM/kernel and all worked perfectly...the tech said that the saulder connections on the ear buds goes out easily...
Sent from my ADR6400L using Tapatalk
Click to expand...
Click to collapse
Having a similar issue with ALL types of wired headsets. Posted in the General section and hoping to get some devs attention in it. Did some general Google searching and apparently by manufacturer design (thanks HTC!), when headsets are plugged in (not headphones mind you, diff is if it includes a mic), the mic disables on both the phone and the mic in your chord. You can bypass the disabling of the phone mic by changing the TTY mode but the quality is poor and still does not allow you to use your headset mic.
If you use regular headphones, the phone will show the headphone icon (again, not the headSET icon (with the boom mic in the pic)) and you can still use the mic from the regular phone. The problem I have here is it still requires me to walk around with my phone in the air as if it were on speakerphone.
I'm assuming devs can tweek this and I am 99% positive, previous headsets with my TB did NOT have this problem. I've used a mix of GB, AOSP, and Froyo roms (current), and have NOT found a way to get my headset (with mic built into the chord) to work. Extremely frustrating.

[Q] Bluetooth to car stereo phone noise

Hi all. New here, so hopefully this will be concise enough.
T-mobile HTC Amaze 4g, no mods, all stock plus a few apps. Everything working fine on the phone. Purchased a Platronics BT headset, works OK; limited range, but passable. Just bought a Sony MEX-BT4100P car unit. Did the install myself (retired auto technician, so I know a little about doing it correctly). All working OK, BT pairs fine, functions all good (Phone book, redial, etc). Problem is a buzz noise during calls, only audible on the other end of the call, but it's pretty loud. Sound is similar to a slightly shorted mic cable. Voice is audible, just a loud background buzz. No noises with any other car stereo function. No noises with any other phone function.
Talked to car stereo vendor, they sent new unit and microphone. No change. Talked to HTC. They say that since the Plantroncs works fine, there's no problem with the phone.
I'm trying to find out if anyone else has experienced this specific issue and if so what had to happen to resolve it.
Any thoughts? I don't have another BT phone to try
Android 4.0.3, Sense 3.6. Don't know what other info might be helpful.
Thanks.
Charlie
Might be the headset
charlie.kaiser said:
Hi all. New here, so hopefully this will be concise enough.
T-mobile HTC Amaze 4g, no mods, all stock plus a few apps. Everything working fine on the phone. Purchased a Platronics BT headset, works OK; limited range, but passable. Just bought a Sony MEX-BT4100P car unit. Did the install myself (retired auto technician, so I know a little about doing it correctly). All working OK, BT pairs fine, functions all good (Phone book, redial, etc). Problem is a buzz noise during calls, only audible on the other end of the call, but it's pretty loud. Sound is similar to a slightly shorted mic cable. Voice is audible, just a loud background buzz. No noises with any other car stereo function. No noises with any other phone function.
Talked to car stereo vendor, they sent new unit and microphone. No change. Talked to HTC. They say that since the Plantroncs works fine, there's no problem with the phone.
I'm trying to find out if anyone else has experienced this specific issue and if so what had to happen to resolve it.
Any thoughts? I don't have another BT phone to try
Android 4.0.3, Sense 3.6. Don't know what other info might be helpful.
Thanks.
Charlie
Click to expand...
Click to collapse
Hey Charlie,
I remember having a plantonics headset. They were awful for me and they broke eventually. Did you try another headset? I think the headphones you're using could be the source of the problem. Hopefully someone else experienced in BT and headsets can assist you.
SuperAfnan said:
Hey Charlie,
I remember having a plantonics headset. They were awful for me and they broke eventually. Did you try another headset? I think the headphones you're using could be the source of the problem. Hopefully someone else experienced in BT and headsets can assist you.
Click to expand...
Click to collapse
The Plantronics headset is fine; it's the Sony car stereo BT function that's making the noise...
It's been a while since I've had the stock ROM on my phone, but try looking under the settings menu in dialer for 'noise suppression' and make sure it's ticked.
Does your head unit have a gain setting for the mic? I had a JVC unit that had one in the Bluetooth menu settings.
Actually, I just looked up your manual, you do have a mic gain.
It looks like you also have an echo canceller/noise canceller setting as well. See what playing with those do for you.
Failing those options, it sounds like you have interference in your mic. Try routing it away from any wires that carry current. You might try just holding it out in the open and making a test call.
Sent from my Amaze 4G using xda app-developers app
DarkMatter_74 said:
It's been a while since I've had the stock ROM on my phone, but try looking under the settings menu in dialer for 'noise suppression' and make sure it's ticked.
Does your head unit have a gain setting for the mic? I had a JVC unit that had one in the Bluetooth menu settings.
Actually, I just looked up your manual, you do have a mic gain.
It looks like you also have an echo canceller/noise canceller setting as well. See what playing with those do for you.
Failing those options, it sounds like you have interference in your mic. Try routing it away from any wires that carry current. You might try just holding it out in the open and making a test call.
Sent from my Amaze 4G using xda app-developers app
Click to expand...
Click to collapse
Head unit - I've tried all settings on mic gain and noise cancellation with no changes at all to the noise, although voice quality changed as expected.
Microphone has been pulled out of the car, literally to the full extent of its cable, with no change. I've wrapped the mic and its cable in tin foil and jumpered that tin foil shield to chassis ground with no change.
It does indeed to me sound like microphone interference, but nothing I do, including a different mic, changes the noise. Head unit and mic have been changed out for new.
Does it happen even with the engine off?
Sent from my Amaze 4G using xda app-developers app
DarkMatter_74 said:
Does it happen even with the engine off?
Sent from my Amaze 4G using xda app-developers app
Click to expand...
Click to collapse
Yes. On, off, no difference. In garage, out of garage, no difference.
charlie.kaiser said:
Yes. On, off, no difference. In garage, out of garage, no difference.
Click to expand...
Click to collapse
This tells me it's not interference, at least not from the car's electrical system. Do you happen to live under high tension lines?
Ok, here's what we've got in an extremely simplified flowchart:
mic------>head unit------->bluetooth-------->phone-------->person called
Follow the path, eliminate as you go.
1. Unplug the mic completely. Make a test call, see if your caller hears the noise still. If not, it's either the mic (replaced already, but not unheard of to get multiple bad ones. Try a desktop computer microphone?) or poor shielding in the radio (not easy to fix, even harder to locate.) If it's still there....still might be shielding in the head unit. Unlikely though.
2. You've already messed around with the head unit's settings. Nothing to do here.
3. Bluetooth. My radio used a USB bluetooth adapter, yours is built in. Can't try a different BT.
4. Phone. You don't know someone with a phone with bluetooth? If pairing with a different device results in a clear call, it's the phone (you could try rooting/updating/replacing it. Maybe they just don't like each other?) If the noise is still there with a different phone, it's either the head unit (you got another bad one or they just don't make them very well) or it's outside your control. Maybe the tower itself. You could try driving quite some distance away, till you're on a different tower. See if it's clear then.
Beyond all this, I really don't know of anything else to try, apart from getting a different head unit.
DarkMatter_74 said:
This tells me it's not interference, at least not from the car's electrical system. Do you happen to live under high tension lines?
Ok, here's what we've got in an extremely simplified flowchart:
mic------>head unit------->bluetooth-------->phone-------->person called
Follow the path, eliminate as you go.
1. Unplug the mic completely. Make a test call, see if your caller hears the noise still. If not, it's either the mic (replaced already, but not unheard of to get multiple bad ones. Try a desktop computer microphone?) or poor shielding in the radio (not easy to fix, even harder to locate.) If it's still there....still might be shielding in the head unit. Unlikely though.
2. You've already messed around with the head unit's settings. Nothing to do here.
3. Bluetooth. My radio used a USB bluetooth adapter, yours is built in. Can't try a different BT.
4. Phone. You don't know someone with a phone with bluetooth? If pairing with a different device results in a clear call, it's the phone (you could try rooting/updating/replacing it. Maybe they just don't like each other?) If the noise is still there with a different phone, it's either the head unit (you got another bad one or they just don't make them very well) or it's outside your control. Maybe the tower itself. You could try driving quite some distance away, till you're on a different tower. See if it's clear then.
Beyond all this, I really don't know of anything else to try, apart from getting a different head unit.
Click to expand...
Click to collapse
I did try unplugging the mic and the noise goes away, but according to Sony and the vendor, if a mic isn't plugged in, the entire audio chain gets muted automatically, so it's not much of a test. I'm going to see if I can dig up another mic like a computer mic with a mute or on/off switch and see what that might do.
I'm in a rural area and not too many cell phones I can borrow here. Might be one I can find...
I'll try another tower too; that's something I have not tried. But this really sounds like audio input chain noise rather than post-processing noise. I was an audio engineer in a previous life and I am still leaning towards mic-related issues...
Thanks.
charlie.kaiser said:
I did try unplugging the mic and the noise goes away, but according to Sony and the vendor, if a mic isn't plugged in, the entire audio chain gets muted automatically, so it's not much of a test. I'm going to see if I can dig up another mic like a computer mic with a mute or on/off switch and see what that might do.
I'm in a rural area and not too many cell phones I can borrow here. Might be one I can find...
I'll try another tower too; that's something I have not tried. But this really sounds like audio input chain noise rather than post-processing noise. I was an audio engineer in a previous life and I am still leaning towards mic-related issues...
Thanks.
Click to expand...
Click to collapse
Update... Tried driving to another location, and voila! The noise disappeared. I'm now getting normal audio from the system. And what's really strange... back at the house the noise is gone as well...
Thanks to all for the suggestions and ideas! Glad it wasn't something more difficult to fix...

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