Database Info

Interference with bluetooth voice calls

I always use my bluetooth headset when talking to family and friends(due to the length of time, hate holding phone). Since, I switched from my nexus one people have griped about the interference/noise they hear when I'm on my bluetooth headset. It is not my BT headset as I've tried a few(motorola S305, and two smaller bluetooth earpieces), all of which exhibit the noise. I was wondering if anyone else has had this problem ?
Running the Galaxy S I9000 ROM rooted.

Everyone complains about hearing me whenever I try to use a headset. Seems like the stack sucks or the radio is terrible.

Got the same problem. My bluetooth calls are loud and clear on my side, but everyone on the other side complains about static noice and I sound very distant.
I tried the original ATT rom (stock unrooted) and the most current 2.1 that is available for download. No difference.
Any ideas what to try to remedy this?

I haven't noticed anything like this on my Motorola S9-HD headset.
I have noticed sometimes it will cut the music every once in a while, whereas my iPhone never did.

konawayne said:
I always use my bluetooth headset when talking to family and friends(due to the length of time, hate holding phone). Since, I switched from my nexus one people have griped about the interference/noise they hear when I'm on my bluetooth headset. It is not my BT headset as I've tried a few(motorola S305, and two smaller bluetooth earpieces), all of which exhibit the noise. I was wondering if anyone else has had this problem ?
Running the Galaxy S I9000 ROM rooted.
Click to expand...
Click to collapse
Sent from my SAMSUNG-SGH-I897 using XDA App
This is a known issue with the I9000 ROM... Bluetooth doesn't work well for some...

I'm running the stock rom... is that the I9000 rom?

None of my friends have mentioned such a problem when i've called them, although I've only made bluetooth calls a couple of times (including on the bus and at home).
Using after-market Nokia BH-503s.

I'm definately seeing the same problem on the stock rom. Not as bad as athe I9000 ROM but still bad enough for them to complain. Seems like it's made worse by the different roms/kernels we've been flashing but there's definately a problem.

wpb2 said:
I haven't noticed anything like this on my Motorola S9-HD headset.
I have noticed sometimes it will cut the music every once in a while, whereas my iPhone never did.
Click to expand...
Click to collapse
I'm seeing similar symptoms, except my music cuts out every 30 seconds or so. My setup is a Kensington iPhone adapter connected through aux input in my car with an Anycom FIPO on the iPhone adapter (it converts the iPhone/iPod adapter into a bluetooth receiver). I then stream from my Captivate to the adapter and it works fine except that it cuts out every 30 seconds. Did you ever figure out how to fix it?
UPDATE: Just wanted to add that I figured out what was causing my problem: having Wifi turned on. Once I turned it off, my bluetooth streaming worked beautifully, with no hiccups.

Still have a problem with this. Stopped using my BT headset completely... sucks having this thing stuck to my head for calls.

I have encountered several problems:
Party can not hear me at all; though I can hear fine.
Party hears tinny sound to my voice.
Headset disconnects while playing music.
Using a Motorokr S9-HD. Works fine with Samsung A-737.

I too have the static problem. This phone sounds wonderful on my end, but everyone complains that that can't hear me! This is so far the only complaint I have.... I hope someone will have a fix, or come up with something.

I have this problem too !

Bluetooth A2DP dropouts

I'm having an issue with audio dropouts on my bluetooth headset (plantronics M50). It didn't seem to be a problem in the first week, but the frequency has steadily increased since the end of August. A reboot seems to improve the situation, but only temporarily. I haven't tried other bluetooth headsets, but the same headset on my iPad seems to have no problems at all.
Is anyone else experiencing bluetooth audio dropouts? I have not had it occur during a phone call, btw.

It happened for me only for two days or so with only one of my headsets. Seems to be working fine now.
Sent from my XT1080 using Tapatalk 4

I'm using Jaybird JF3 Freedom stereo bluetooth earbuds with my Maxx and have not encountered this issue. Just another data point for you.

Happens all the time to me.
Hopefully an update to 4.3 will fix it as my old Nexus didn't have any issues.

Android 4.2 (current Maxx version) didn't some with built in A2DP support but Moto added it. Whereas Android 4.3, Google has added it to Android, which should hopefully clear the issues a lot of people have been reporting with A2DP currently; i.e. static, stops working, blips in audio, etc.

[Q] Nexus 5 Bluetooth and wired headset problems

Hello,
Pardon if this has been answered already, I simply did not find my exact question answered.
I am using my unmodified Nexus 5 (not even rooted), with the latest KitKat (v.4.4.2 build KOT49H) with quite a few wired and wireless headsets and people always complain they cannot hear me. Eventually I got my hands on an old Samsung Galaxy S2 and tried my best bluetooth headset with it: Imagine my surprise, I could hear myself quite clearly even when I was talking really really softly, barely above a whisper. My headset is excellent. My phone is not.
My questions revolve around what to do about it.
Nothing in KitKat allows me to adjust the bluetooth microphone gain, nor does it let me use an equalizer on my microphone. I can adjust the volume of the headset, but this does not do anything to the microphone gain.
So...
Question 1: am I the only person with this problem?
Question 2: what do you people do about it?
Question 3: are there any mods / custom ROMs out there that attempt to fix this problem? Google does not appear to be interested in doing so.
Thanks in advance!

*bump*
Any ideas? I have tried re-pairing my bluetooth headset - no go. I have tried flashing custom ROMs and kernels - no go again. It seems to be a problem with the phone, but I have no idea how to fix it. And Google searches always return other people having this problem. Noone with solutions, though.
Using a wired headset results in even worse results, if that were at all possible.
Has anyone tried to replace the bluetooth stack or driver with something that works?
Thanks!

*bump*
Yesterday I spent quite a few hours tinkering with my phone. I tried every last radio out there for the Nexus 5 and none had any effect on bluetooth microphone levels. Then I tried a few AOSP ROMs: CM11 and Omni. They turned out to be so closely related I might as well have just tried one. None had any effect on bluetooth microphone. Heck if CM11 doesn't do it, there really are no alternatives out there! I tried the FauxAudio tweak, even paid $2 to Faux, which successfully managed to do nothing: app didn't was written badly. Finally, I tried a bunch of volume boost tweaks. That worked, actually. That is, it boosted the wrong volume. Finally, in a moment of true and utter desperation, I opened an ADB shell and edited that mixer file by hand. I then discovered that microphone gain on bluetooth is not controlled there.
I tried all my wired headsets again: Etymotic HF3's microphone produces such an atrocious sound, if I am to rely on it I need to seriously consider becoming a mime. Then there were my Bose QC15 headphones with a remote cable for Android by some off-brand company: that was terrible, the cable is useless. Heck, not even mime lessons can help me there.
Eventually I chanced upon an old microphone cable for my QC15 headphones. Just microphone, no remote. Surprisingly, this one is loud and clear! That after being anything but loud or clear on my old cell phone. Interesting. Unfortunately, it's been out of production for a few years. My working theory is that Bose realized putting a decent microphone on expensive headphones gives people real value, makes them spend money, and that way lies madness. We can't have that, can we. So when that cable starts cutting, so does my use of this cell phone.
I am screwed.
In any case, I will stop bumping my own thread, you guys obviously don't know a solution or there would have been a lively conversation right now. And I am pretty sure there is a moderator or two frowning right now, possibly getting ready to throw an encyclopedia at me. My only hope is that Google is going to do something about that pesky Broadcom driver that doesn't work sometime before the mass exodus to the iPhone. And before my precious microphone cable stops working, or I will be leading the way for that exodus. It's a phone, damnit, if it doesn't work like one it's no good.
Hmmm.... it should be possible to wire a good lavalier mike on a cell phone cable... maybe I can get an op-amp from an old tape recorder to get decent amplification... When attaching a 9V battery on my headphone cable begins to look appealing, we really have a problem.

Yes, if nobody reply you is because no one can help u.
But for what it's worth, i had an Xperia Play for 2 years. Using an Motorola Bluetooth Headset H350 while driving and a MW600 Sony Ericsson Stereo Bluetooth Headset, both never had a problem.
Now from 2013 Christmas both headsets with my new N5: still never a problem and not noticing any low volume or mic. Sorry

same issue
Dany XP said:
Yes, if nobody reply you is because no one can help u.
But for what it's worth, i had an Xperia Play for 2 years. Using an Motorola Bluetooth Headset H350 while driving and a MW600 Sony Ericsson Stereo Bluetooth Headset, both never had a problem.
Now from 2013 Christmas both headsets with my new N5: still never a problem and not noticing any low volume or mic. Sorry
Click to expand...
Click to collapse
hi,
i am having the same issue with my Nexus 5 in combination with my Logitech H800 Wireless headset (people can`t hear me).
Anybody who did find a solution for this?
Thx

pitchdown said:
hi,
i am having the same issue with my Nexus 5 in combination with my Logitech H800 Wireless headset (people can`t hear me).
Anybody who did find a solution for this?
Thx
Click to expand...
Click to collapse
No solution. I tried everything, everything I could think of. I got FauxAudio to work eventually and that did nothing for Bluetooth performance (and it said it wouldn't, but I was desperate).
I returned a lot of high end bluetooth headsets over this issue. Eventually I came upon the Plantronics Voyager Legend. I would like to tell you this really expensive headset works fine, but no - microphone gain is still low, though this time around people can hear me okay. Not great, just okay. I am using that now. It's not perfect, it's far from perfect, but finally usable. Sort of. If I speak loudly.
For what it is worth, the ElementalX kernel improves Bluetooth stability on the N5 quite a bit. Microphone gain is still low, though. Another thing that sometimes helps a little is turning off the multimedia profile on the headset, though why THAT would make a difference is beyond me.
All we can do is wait, watch the Samsung Galaxy S5 get released and wonder if we should switch.

kangelov said:
No solution. I tried everything, everything I could think of. I got FauxAudio to work eventually and that did nothing for Bluetooth performance (and it said it wouldn't, but I was desperate).
I returned a lot of high end bluetooth headsets over this issue. Eventually I came upon the Plantronics Voyager Legend. I would like to tell you this really expensive headset works fine, but no - microphone gain is still low, though this time around people can hear me okay. Not great, just okay. I am using that now. It's not perfect, it's far from perfect, but finally usable. Sort of. If I speak loudly.
For what it is worth, the ElementalX kernel improves Bluetooth stability on the N5 quite a bit. Microphone gain is still low, though. Another thing that sometimes helps a little is turning off the multimedia profile on the headset, though why THAT would make a difference is beyond me.
All we can do is wait, watch the Samsung Galaxy S5 get released and wonder if we should switch.
Click to expand...
Click to collapse
Somebody advised me to download the app "persist"
This is free from the playstore.
Can you try this and let me know this is working for you?
Thx

pitchdown said:
Somebody advised me to download the app "persist"
This is free from the playstore.
Can you try this and let me know this is working for you?
Thx
Click to expand...
Click to collapse
This app controls the bluetooth volume, not the bluetooth gain. The bluetooth volume was never a problem.

kangelov said:
This app controls the bluetooth volume, not the bluetooth gain. The bluetooth volume was never a problem.
Click to expand...
Click to collapse
Ok,
i am having the problem with my Logitech H800 headset with the nexus 5.
So this is a android kitkiat 4.4 issue?
Or is this problem only on several Nexus 5-devices?

pitchdown said:
Ok,
i am having the problem with my Logitech H800 headset with the nexus 5.
So this is a android kitkiat 4.4 issue?
Or is this problem only on several Nexus 5-devices?
Click to expand...
Click to collapse
My guess is either the bluetooth baseband or the bluetooth kernel driver used in the N5 is flaky. This is why I think so:
Problem does not exist on my old Samsung Galaxy S2, including when it runs the same nightly of CM11, nor does it exist on my computer or my desk phone. All the headsets I've owned performed admirably there, so the headsets are not directly the cause. From what I've seen no ROM and no kernel out there seem to be making a difference as far as Bluetooth gain is concerned, the problem is persistently there and the same. Best I could tell it's just the N5 with a problem and it's just for the phone profile. I've tried the Bose headset (the worst performer headset with the N5 of the lot) on a colleague's N5 and his phone was just as bad with it as mine. I am not sure if it's a small batch of N5s having a problem, I don't own lots and lots of N5 phones to try on, but I doubt it: with anything digital things are usually all-or-nothing and the N5 has an off-the-shelf Bluetooth chip, which is not unique to the N5. My guess is it's the entire model, but having only tried on 2 N5 phones, this is no more than a guess.
From what I saw online, the entire Nexus line has poor Bluetooth performance, not just the 5, and Google changed the Bluetooth stack with KitKat besides possibly introducing more problems. If you have a non-Nexus phone, the manufacturer most certainly replaced the Bluetooth driver and radio with one of their own, so problem goes away, but the Nexus line does not enjoy such attention.
An interesting thing to try would be for someone to put the LG G2 Bluetooth driver on a N5 kernel and try it out. I don't have the time or the expertise to do that, but there are plenty of people who do. Assuming the G2 does not have problems with bluetooth gain, if the problem still persists it will tell us if it's the N5 baseband or hardware doing it, and noone can help us there if that's the case.

I have this problem too, using my Nexus5 with iphone headsets. Peoples told me in skype and hangouts, that they hear me bad...

Shiver2005 said:
I have this problem too, using my Nexus5 with iphone headsets. Peoples told me in skype and hangouts, that they hear me bad...
Click to expand...
Click to collapse
That's a different problem. The wired headset problem is easily solvable with FauxAudio and a supported kernel.

This maybe realted to the changes Google made to the core Bluetooth stack as of Android 4.3+ I know they made adjustments for the BLE [low poer Bluetooth devices like pedometers and other senor type crap]. It is BEYOND me as to why Google keeps adding functionality ot the core Bluetooth stack when it is GLARINGLY OBVIOUS they have real problems with Bluetooth as a whole. WHY NOT fix the core issues so Bluetooth is much better at the basics before trying to add functionality or more complex?
I know they complained it would cost a bit for a different newer Bluetooth license but I mean in my personal experience with many different phones Bluetooth is SUPER flaky even at it's best in Android, and does not even work the same way across devices [I have used 3 different Jabra speakerphones on my bosses Galaxy 3 recently and they all worked to varying degrees even though they all use the same version of Bluetooth protocol], but my T989 [Galaxy 2 T-mobile], my parents G2s My bosses older Bionic, My fathers new Droid X, etc. all have random problems. You can usually find one device that works well with a certain phone/ROM, but that can change between ROM versions and devices so it is like you need to go and buy 1 of everything every time there is an update and go crazy finding the ONE that works [and as noted on page 1 with the gentleman using the same Platronics Voyager Platinum as I have it is a super expensive very nice device that worked BEAUTIFULLY in ICS, but now in 4.1 + you can not get more than 1 or 2 words across the mic unless you are YELLING at it like a crazy person on the SAME device].
So all that to say I think it is prolly related to changes Android made in 4.3+ flipped the Bluetooth operability on it's head.

Mic Volume OK with KitKat 4.4.4 and cheap "HB-800" headset
there've been no posts for a while so maybe the problem has gone away with the KitKat updates.
But anyway:-
I have a Nexus 5 and recently bought a cheap generic stereo earbud headset with mic from eBay .... $14.82 Ozzie including delivery to Western Australia.
I've actually asked the other party whether they can hear me (specifically "am I loud enough?") because I read this thread and have been assured that it's all good.
In fact it's a pity the sound quality at MY end isn't better, but that's probably the low quality ear buds rather than electronics / firmware reasons.
Of course, ymmv.
Here's the ebay item title in case anyone wants to look it up or I can pm the item number if it helps.
"Headphones Earphones with MIC 1st Stereo Bluetooth Hands-Free Wireless HV/HB-800"

No, the problem is still there. Reason there are no posts is that no one has a solution. Nothing has changed since March. I am somewhat controlling it with CM11 running on the ElementalX kernel. Without this kernel Bluetooth performance is unbearable. With it it is barely adequate.
It's funny that a cheap headset would work okay while multiple top-of-the-line everything-but-the-kitchen-sink models like the Plantronics Voyager Pro would still be having problems.
I was seriously considering getting the OnePlus One, the Nexus 6 and even the iPhone 6 hoping the issue would finally be fixed. It's ridiculous that a phone commonly accepted as the measuring stick of the Android world would be having problems with simple tasks like driving a bluetooth headset. *very disappointed*

Me too. Two days with my new N5 and when I use my Sony SBH20 people hear me bad... With my N4 no problem. Its annoying! Ive to speak with headset because Ive problems with my left arm and legs, I only have the right to hold the phone, I cant do anyhing more and when I walk I need that arm to hold my cane.
I dont see a real solution, I will have to return the N5

Bad sound quality through Bluetooth

I'm having bad sound quality when making call through Bluetooth in my car. It sounds like the audio is breaking up. Anybody else have this problem? My note 3 was working just fine through bluetooth
Sent from my One using XDA Premium 4 mobile app

I also noticed the same thing yesterday driving home. I did not have this problem earlier in the week. I'm not sure what is going on. This along with a strange wifi problem has recently surfaced. If I leave my wifi range and then return, it does not want to reconnect. I have to toggle the airplane mode then wifi will reconnect. I am running stock 11s rooted with 2.7.1.0 TWRP, Xposed framework, Xpoxed GEL, Gravity Box, Tasker, Autovoice.

richeazy said:
I'm having bad sound quality when making call through Bluetooth in my car. It sounds like the audio is breaking up. Anybody else have this problem? My note 3 was working just fine through bluetooth
Sent from my One using XDA Premium 4 mobile app
Click to expand...
Click to collapse
Are you still experiencing poor Bluetooth audio in your vehicle? Mine is still the same.
Sent from my A0001 using XDA Free mobile app

kevinga said:
Are you still experiencing poor Bluetooth audio in your vehicle? Mine is still the same.
Click to expand...
Click to collapse
I am. I'm looking for suggestions for things to try and improve the stuttering/skipping/dropouts that I'm experiencing when using my OnePlus One in media playback mode through my Chevrolet MyLink car radio. I have some additional details to offer and things I have tried:
1) The playback application doesn't seem to make any difference, the problem is most pronounced (unlistenable) when playing back music files and is highly annoying when listening to speech (e.g. podcast) files. I suspect the difference is the music having a beat that gets interrupted while there are some normal pauses in speech so the stuttering blends in a bit more. In any event, it's not a problem with the playback application.
2) It seems unlikely to be a problem with the car radio (Chevrolet MyLink). Though I haven't done extensive testing I have done some using my old Motorola Atrix HD with a nightly CM11 on it from a few weeks back and that does not seem to have the issue, or at least it is not nearly as severe.
3) When I use a third party bluetooth audio receiver (some cheap no-name one from ebay) the quality seems to be fine but when I try to go directly to the car stereo I get tons of stuttering/skipping/drop outs.
A friend suggested that I try running an alternative kernel and see if that improves things. Any ideas on whether that may be the case or which one might be the best to try? Any other suggestions? It's quite annoying that I can't playback audio through the car radio...
Thanks!

Anyone have any ideas? I tried running the Franco kernel tonight and it seems to have the same issue. I did some logcat captures and I seem to be getting a lot of "W/bt-btif ( 2104): btif_media_aa_prep_2_send congestion buf count 24" messages when playing back audio through the car radio. See the attached full logcat captures with both the stock and Franco kernels and connected to both an alternative Bluetooth dongle and to the MyLink car radio.
Any suggestions?

After further testing I was able to determine this is an issue with the phone and not the car radio as I was able to find at least one other BT device which exhibits the same issue. I have created a ticket for this issue at: https://jira.cyanogenmod.org/browse/BACON-1005 if you are also experiencing this issue you are encouraged to go and vote for the ticket.

One question though. Do you have WiFi on when traveling in your car? Try turning it off and see if you still get skipping.

I do in fact have WiFi on at all times. I tried turning it off for the day today while doing some driving and it appeared to clear up the problem. I would think it's still a bug because having WiFi on should not prevent BT audio from working correctly but it at least gives someone a direction to investigate.

So I've done some slightly longer term testing and what I can say is the problem is not totally cleared up when WiFi is off but it is much, much better (definitely listenable). I will still get a couple dropouts when first starting a stream (sometimes, not always) but after 30 seconds to a minute it seems to settle down and be fine as long as I keep the WiFi off.

BenFranske said:
So I've done some slightly longer term testing and what I can say is the problem is not totally cleared up when WiFi is off but it is much, much better (definitely listenable). I will still get a couple dropouts when first starting a stream (sometimes, not always) but after 30 seconds to a minute it seems to settle down and be fine as long as I keep the WiFi off.
Click to expand...
Click to collapse
Just to clarify the situation..
My Xperia Z2 have the same issues.. It is not your phone but the Bluetooth stack in android that pretty much sucks the problems you are dicribing has been there since android 4.2 on a lot of devices.
I have just changed my Lumia 1020 out with this Z2 and call me disappointed in music quality! On the Lumia you would have trouble hearing a difference between jack/auxiliary and Bluetooth..

And today I did notice some dropouts even with WiFi off well into my drive but it was just a few packets I would guess more of an annoyance than a serious problem. I've heard about issues in the Android BT stack but the confusing part of that is why certain devices (such as my Atrix HD) don't seem to experience the problem.

I have a bluetooth stereo I use every morning in my home and a bluetooth stereo in my car. I almost exclusively use pandora, but I have also used power amp on longer trips. I have never experience this issue with my opo. I have ran 25-33 all rooted with no problems and am currently using CM11 nightlies. I also am not having any wifi issues.
Sorry it's not very helpful, but it doesn't sound like a widespread issue at least.

It certainly has something to do with the particular bluetooth implementation used by the receiver interacting with the OPO. As I indicated I have three different BT receivers I can test with and the problem affects two of them but not the other.

HTC U11 - connection delay with the bluetooth car multimedia system

Hi guys,
My HTC U11 has a strange behaviour whenever is connected via bluetooth to my car audio system (Mercedes Comandonline NTG 4.5), resulting in a delay in answering the phone calls either using the car commands or answering to the phone directly; sometimes the call is answered to the phone but on my car system the phone is still ringing and only after few seconds I can hear the caller in the car speakers. The first connection with the car system when I am getting in the car is delayed as well.
I tryed already to unpair and pair back the phone with the car. I tryed to use another ROM (custom rooted ROM), but the result is the same: the delay is still there.
Now I'm back to the official ROM.
I am mentioning that my car system is genuine and I had been using it before with no issues together with HTC M9 and Samsung S7 Edge.
Does anybody have an ideea about this issue ?
Thanks

I have this, too, intermittently. Only noticed it after software 1.28.617.30. Maybe this is the issue.

I have previously experienced delayed BT audio only when watching a YouTube video, but I think all European cars suffer the same.
My HTC One M8 had no issues in my W203 but did in my W205. A MB firmware upgrade helped.
Since using my U11 I still have the delayed video audio, but the calls and connections have been ok.
I’d check again for you but my W205 is at the repair shop after a parked Hit and Run.
It’s due back in 3-4 weeks so I can test for you if you still need help.
Sent from my iPad using Tapatalk

I have a delay also with bluetooth calls in my truck. It's annoying, I say hello and they say hello, we do not here each other for 3 or 4 seconds at first. I also see a delay when watching videos with Bluetooth headphones. I have the US Unlocked version

I have noticed the same issue after the latest update. It happens with Bluetooth, headphones, and regular speakers. It develops the delay randomly, and doesn't go away until a reboot. I have tried several ROMs based on the latest firmware with multiple kernel setups, and I get the same result.
Definitely a problem with HTC's latest release, if you ask me.

GLO said:
I have previously experienced delayed BT audio only when watching a YouTube video, but I think all European cars suffer the same.
My HTC One M8 had no issues in my W203 but did in my W205. A MB firmware upgrade helped.
Since using my U11 I still have the delayed video audio, but the calls and connections have been ok.
I’d check again for you but my W205 is at the repair shop after a parked Hit and Run.
It’s due back in 3-4 weeks so I can test for you if you still need help.
Sent from my iPad using Tapatalk
Click to expand...
Click to collapse
When you get your car back, I would really appreciate a little help because this issue is really annoying
Sent from my HTC U11 using Tapatalk

Today I tried an iPhone 7 with my car system via bluetooth and there was no issue or delay, so my conclusion is that the issue is related to the phone or software and not the MB car system.
Sent from my HTC U11 using Tapatalk

I've had thie same issue but seem to be fixed in the new Oreo firmware.
Sent from my HTC U11 using Tapatalk