Bluetooth A2DP dropouts - Droid Ultra Q&A, Help & Troubleshooting

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.

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[Q] Bluetooth Audio Streaming - Crackling

It seems that the Nexus 5 still has the annoying crackling sound that was introduced in 4.2. I was really hoping that they would have fixed this by now. I found this solution thread which is for the Galaxy Nexus but I'm not even sure if it would work on the Nexus 5. Can anyone else confirm that they are getting some crackling on the mid-tones when streaming through bluetooth. -Ryan
Introduced in 4.2? This **** has been the cornerstone of bluetooth music since it's inception. I've had crackling, low quality treble, overly compressed audio out of every bluetooth device I've ever used:
1. Several Android phones going all the way back to the HTC EVO 4G.
2. Macbooks.
3. iPads
4. aptX adapters
Simply put, bluetooth audio is terrible. If you expect anything more than bare minimum (usually good for voice), you shouldn't be using bluetooth.
I don't have any problem streaming over bluetooth. I have a bluetooth to aux jack adapter.
Sent from the jaws of my Hammerhead!
Interesting link you've posted. I've actually found that I'm getting a little bit cleaner sound with this phone compared to my Evo LTE. I'm using Google Music with Viper4Android sound mod. In my car I've always had an issue with the extreme high end frequencies crackling on "s" words or cymbals and using have to cut down drastically anything above 14k. I haven't had to do that since getting the phone on Friday. Still I'll probably fiddle with the file swaps as I'm always looking for better sound.
Edit: No go for me. Kept getting a music playback error.
I'm having the same problem after 4.2 update. I was using Galaxy Nexus back then. Now my new Nexus 5 is having the same problem. I'm now considering getting one of those bluetooth to aux adapter even though my car has bluetooth built-in =(

Bluetooth problem with the Nexus 5

Every time I connect my Plantronics Voyager Pro HD and I'm in a conversation over the phone I hear this cracklin sound from my Bluetooth! Is anyone else having this issue? I've swithched out for a new Voyager and the problem still resides!
I think it's an android problem and not the phone ive been having Bluetooth problems since JB
Sent from my NeXus 5
I'm having the same problems with my Plantronics M100. The signal has more static than usual. Put it back on my Nexus 4, works fine. Maybe someone tested with a low-grade Bluetooth piece, since it's less evident on my crappy old Motorola H620 (though it always sounded crappy anyway).
Might be a Bluetooth stack problem. Might be a hardware thing. Hard to say at this point.
bump
Do you have other active Bluetooth devices? I see this when I have multiple connected devices and when I disable all but one at a time it works.
Sent from my Nexus 5 using Tapatalk
Works fine for my "old" Jabra 135 or Moto H350, rooted stock 4.4.2 rom & kernel.
famoustito said:
Every time I connect my Plantronics Voyager Pro HD and I'm in a conversation over the phone I hear this cracklin sound from my Bluetooth! Is anyone else having this issue? I've swithched out for a new Voyager and the problem still resides!
Click to expand...
Click to collapse
The same problem here. I have brand new Voyager Pro HD. With Nexus 5 I hear crackling & static however my caller hears me very well without crackling & static. I keep phone on my desk or in my packet same think.
I paired this headset with Nexus 4 and it works perfect, it seems like only Nexus 5 has some issue with this headset.
I noticed issue with Nexus 5 stock MusicFX, whether bluetooth to device or general usage. It seems to have come from that I believe. I am on Cataclysm and run Viper FX audio files, no crackling at all any more (using high or super audio drivers). I think the issue resides in the default android sound production and that is being sent via the bluetooth. Running 4.4.2.
Cant say ive had any issues, but there do seem to be reoccuring ones for many
Sent from my HTC One using Tapatalk
same issue here with my Stock Nexus 5 4.4.2 and Plantronics Voyager UC2 latest firmware.
Definitely looks like an issue on the phone side as it worked no problem with the Old Desire X and my PC.
Would rooting / replacing the Kernel affect the bluetooth?
I did want to keep this phone as stock as possible this time.. (famous last words)

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.

Poor Bluetooth performance

Hey everyone, has anybody experienced significantly poorer bluetooth performance with the S7 than with others? At first I thought it was my headphones as I had gotten a new pair or inexpensive but well reviewed headphones (Mpow Wolverine) at the same time as the new phone. They barely keep their connection and clip audio with the most minor of obstruction or even being @ 10' away. I then tried an older set of BT headphones which worked flawlessly with my previous phone (Moto X Pure) and I was having the EXACT same problem. I don't have problems pairing with devices; my car, Echo, watch. These are very close and line of site when in use and they don't move relative to the phone when in use.
Does the BT radio in this phone just suck, or do I have a defective unit?
I use Bluetooth every day and have never had an issue.
Sent from my SM-G930F using XDA-Developers mobile app
There's several threads on this subject here in the S7 forums.
Some people have issues, others don't. Some have issues with Wi-Fi if Bluetooth is enabled, others don't. Some have issues with new BT headphones, others only with old, others don't.
Sent from my SM-G930W8 using Tapatalk
Use bt headset every day and haven't had any problem.
I had issues with my Sennheiser Momentum 2 wireless, sent them back to Sennheiser to see if they can fix it. They also had similar issues on an iPhone but not as bad as with the S7.
I'm noticing static when wearing BT headphones and making any sort of twisting motion with my head even though the phone is like 1 foot away in my pocket. I'm very concerned how this will affect using the BT headset while bikeriding
I'm having bluetooth pairing issues with my 930F international exynos S7 flat. It won't detect most of my devices. My S6 Active detected & paired with them all and connected quickly to all paired devices.
Elsewhere I read to force stop Bluetooth Sharing then clear app data & cache. Did so and haven't noticed any difference.

Lag and connection issues when connected to bluetooth?

I received my pixel 2 a week ago and I am getting probably 3 glitches a day where for example the camera doesn't work or things just seem to crash. I also have Bluetooth issues as stated in the title.
Does anyone have those as well?
i can confirme the bluetooth issues : when connecting to a bluetooth speaker ( JBL charge 3) phone lags and music plays on the phone instead of the speaker, then wifi disconnects. I even sent my speaker to JBL but got it back and they said that there were no issues when they did their tests, so i believe the phone is to blame
Let's hope they fix it with the next update. Apparently, pixel 2 phones on Verizon have received an update fixing the performance and other issues...

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