Having Bluetooth "Handsfree" and A2DP connected at same time causing severe skipping
Hi....I know there are a lot of posts regarding skipping while playing MP3s over A2DP. My problem is perhaps a little bit different because I've narrowed my problem down to the handsfree bluetooth service.
Here's my situation with my unlocked HTC TyTN II using the stock HTC ROM and with no registiry modifications (bitpool, etc)
If I have only A2DP connected and streaming music to an external bluetooth receiver the MP3 playback is flawless. It sounds fantastic. I've tried Windows Media Player, PocketMusic, and PocketPlayer and they all work just great.
However, when I turn on my handsfree headset (which is a separate device from my A2DP receiver) and allow it to connect to my TyTN II, extreme stuttering immediately occurs through the A2DP music stream. When I shut off my handsfree headset the stuttering stops and the music stream returns to its usual fantastic sound. The problem can be replicated also by leaving the handsfree headset powered ON and simply enabling handsfree service on the HTC TyTN II to cause the stuttering to begin. The stuttering stops immediately when handsfree service is subsequently disabled.
Anyone else out their experience this? Any suggestions? For the time being I have to resort to disabling handsfree when streaming music to my A2DP bluetooth receiver.
Skipping/Cutting out/Speeding Up/Slowing down
Not much to add other than 'Me Too!' and thanks for tracking this down since i thought i was going nuts since I've had a couple of times where i thought i had it resolved only for it to crop up again.
Are you also experiencing your A2DP audio speeding up and slowing down along with the audio cutting out? since to me that is the most bizarre of all of the audio freakery going on.
I found my Logitech handsfree less likely to cause cut outs when on than my Jawbone does. but neither were trouble free.
Just an update for those that may experience the same problem as me. I've noticed that sometimes I have perfect audio even though I am connected to my handsfree car system while streaming music via A2DP. So this leads me to believe that bitpool settings and such are not the issue...since the perfect audio can occur with the default settings. I have also heard in other threads that flashing a new radio may help...but haven't gone to that measure yet.
What I have been able to determine is that this horrible skipping/stuttering occurs when my phone is changing cell phone towers.
That is, if
1) Streaming audio over bluetooth via A2DP
AND
2) Tytn II also connected to a handsfree device
then A2DP skips horribly when the phone needs to switch cell towers.
I have confirmed this by using the program PhoneAlarm to log the cell phone towers my phone is connected to. My A2DP stuttering/skipping problem coincides with every change in cell phone tower.
Now having said all this there is still one other factor that plays into it that I haven't quite figured out. If I soft reset my device and then immediately connect to my car and A2DP stereo then I do not get the stuttering problem when changing cell phone towers. However if I spend the day using the device, active-syncing and such at work, then on the drive home I will ALWAYS get the stuttering during every cell phone tower hand-over.
Frustrating. Anyway...hopefully I'll eventually figure out the last piece of the puzzle. I would rather not have to soft reset every time I get in my car just so that I can get good audio.
--------------------------------------------------------------------------------
hondophred said:
Are you also experiencing your A2DP audio speeding up and slowing down along with the audio cutting out? since to me that is the most bizarre of all of the audio freakery going on.
Click to expand...
Click to collapse
I do recall getting this behaviour when using Windows Media player...but I have started using the new Pocket Player and have since never experienced the audio slow down problem.
I found a work-around that works for me. It's posted here:
http://forum.xda-developers.com/showthread.php?p=1990783#post1990783
Yet another A2DP skipping problem
Rumball said:
I do recall getting this behaviour when using Windows Media player...but I have started using the new Pocket Player and have since never experienced the audio slow down problem.
Click to expand...
Click to collapse
I seem to have related but a different problem with skipping.
I have both Sony and goldlantern BT headphones which i tried (stereo profile).
Both severely skip audio when located on the left side of my belt. Silly but the reception/skipping problems improves a GREAT deal when i move it to the right side. It works flawlessly inside of the building where i have no phone signal but outside -- it skips horribly, even worse after 6.1rom upgrade.
Can anyone confirm that the BT signal going through the body worsens skipping? If so, I assume the signal strength/BT/wireless channel may be at fault, not the tower switching as for me, it happens even when I stay stationary.
Any help is GREATLY APPRECIATED!
TILT - R2 VEGA WM6.1 CE OS 5.2.19209 (Build 19209.1.0.2) ROM
I think part of the problem can be the A2DP device as well. I had a pair ofr HT 820 older bluetooth headsets with A2DP that were skipping and annoying. I went out and bought some s9s and the problem went away. I figured just for a test I would try the HT820 out again, still skipping. So for me it was not the phone but the A2DP device.
jallenclark said:
I think part of the problem can be the A2DP device as well. I had a pair ofr HT 820 older bluetooth headsets with A2DP that were skipping and annoying. I went out and bought some s9s and the problem went away. I figured just for a test I would try the HT820 out again, still skipping. So for me it was not the phone but the A2DP device.
Click to expand...
Click to collapse
i thought that too but i have two different headsets from two different manufacturers, both are skipping the same...
A2DP requires a lot of the bandwidth Bluetooth can provide. Having a 2nd connection open simply exceeds what the Bluetooth chip can handle, no surprise in that. If the BT headset keeps the connection open it's very likely to happen.
kilrah said:
A2DP requires a lot of the bandwidth Bluetooth can provide. Having a 2nd connection open simply exceeds what the Bluetooth chip can handle, no surprise in that. If the BT headset keeps the connection open it's very likely to happen.
Click to expand...
Click to collapse
what do you mean by a SECOND CONNECTION?
i have 2 different headsets because i thought that i have a poor headset, but both work similarly bad, which makes me think it is the tilt, not the headphones. i do not have 2 connections, never has it and not even sure if it is possible....
Lowering of bitrate did not help at all.....
Anyone have experienced these problems? anyone is using BT headset besides motorola s9?
On mine it does it when it picks up a wi-fi hotspot. When I'm driving the wi-fi is on when the screen is and whenever I pass a hot spot it drops out. Turning the wi-fi off solved it. Don't know if it does it with cell towers.
gs465 said:
what do you mean by a SECOND CONNECTION?
Click to expand...
Click to collapse
The thread was initially about skipping when BOTH an A2DP stereo headset AND a BT handsfree were connected at the same time, as the title shows. I was commenting on that.
Other than this, when I want to listen to music I can leave the Kaiser in my room and walk around in my entire flat with the headphones on without skipping (around 10-15m straight line, with some walls).
However, Wifi must not be active and communicating, otherwise either / both of them will drop. If I'm using Wifi and start streaming audio via A2DP, the wifi will slow down a lot and sometimes disconnect. In the same way if Wifi is communicating the audio will skip. If both of them are active but one is idle everything's fine. But that's also normal as both share the same frequencies and will step on each other. When usage is low it's not noticeable but when both are using a lot of bandwidth then they will disturb each other.
The cell radio doesn't seem to cause any problems for me.
Hi,
I'm running my Droid 4 on stock ICS, and I've noticed that sometimes I have no sound. This has happened for regular audio, but also phone audio. Sometimes switching off Bluetooth, and switching it back on again, restores the phone to normal, but sometimes I need to reboot to fix it.
The problem seems to come after I've been in the car, where the phone connects to my car stereo, and I wondered whether something is going wrong then the bluetooth disconnects from the stereo, and the speakers of the phone aren't being switched back on again.
Has anybody experienced the same problem, and is there a fix for it?
Cheers,
Steve.
I just got a Z3 compact. I switched from a Moto X that did not have any bluetooth issues (which is still in my possession in case I can't fix this).
Anyway, when I connect to my Pioneer MVH-X560BT stereo, music will play but the audio will drop out completely every few minutes. The audio will go out for around a second. It's not lag because the song doesn't also pause when the bluetooth audio drops. After a second audio will return. I have tried many apps (Walkman, Power amp, google play, spotify, etc.) and they all produce the same occasional pause. I have used a few different phones with this stereo and have never experienced this issue.
I bought my Z3c online from someone who had unlocked the bootloader and installed a custom ROM. I found out how to install the stock Sony rom with Emma and thought that would fix my bluetooth issues. It did not. I doubt an unlocked bootloader would affect bluetooth.
I have turned on the bluetooth log and installed the Xperia bluetooth fix app, but I was seeing if anyone here had any insight.
Bluetooth problem
I don't think your problem is related to the unlocked bootloader, I have problem even with the Bluetooth of my alpine, I have to pair the two every time I switch on the car stereo and even with the music over Bluetooth sometimes the z3c doesn't send the music. I hope for a future update because is very annoying. P.s. my bootloader is locked.
alex3382 said:
I don't think your problem is related to the unlocked bootloader, I have problem even with the Bluetooth of my alpine, I have to pair the two every time I switch on the car stereo and even with the music over Bluetooth sometimes the z3c doesn't send the music. I hope for a future update because is very annoying. P.s. my bootloader is locked.
Click to expand...
Click to collapse
Exactly the same here
Yup, seems to be a problem at Sony's end - this happens for me with Sony Bluetooth headphones as well as with my car. Didn't happen with the Galaxy S4
hi
same probme here, with my Z3C and my Pioneer MVH-X560BT stereo .. still no solution, sony did nothing to correct the problem
even if, when i use z3c with my home 's bluetooth speaker, it works flawilessy .. and when i used to stream music with my moto g 4G on my Pioneer MVH-X560BT stereo, it worked flawilessy ..
it do not understand it, and even reflecting well ..
Hi guys and gals,
I have tried searching Google and on here, but I can't seem to find another person with this problem.
The issue I have is: when my S6 is Bluetooth-paired to my car (2014 Passat S/TSI), audio for notifications/charging/directions initially plays through the speakerphone for ~half-second, then switches to my car speakers. This results in a weird sounding echo for the first second of the sound. Whatever it is, it does not seem to affect music playing, and it does not matter if music is continually playing or the phone is silent.
I never had this problem with my GS2 or my HTC One M7. I was wondering if others had this problem or know some things to try and fix it?
I've already reset the phone and reset the Bluetooth connections car- and phone-side.
@jeebuz. There are a lot of Bluetooth problems with this phone and cars right now. I have a weird issue with audio books, the volume goes up and down. I haven't tried to make calls on bluetooth though. One guy has a long post in the "Dropped Calls" thread you should read.
Hi all,
Just upgraded my N6 to Marshmallow last week and I'm having the weirdest audio issues while connected to my car stereo via Bluetooth. The audio routing is all messed up when Spotify is running. For instance, sometimes the audio don't dim during announcements. Other times I answer a phone call and the music is playing in my phone call!
Anyone else have this problem?