Audio playing through speakers after Bluetooth disconnect - Android Q&A, Help & Troubleshooting

Samsung Galaxy s8, since I had the phone it's worked great playing audio through a Bluetooth headset and connected to Panasonic head unit with arunchained rootless. My problem is after the last update whenever I disconnect the headset or headunit instead of stopping the audio starts playing through the phone speakers. Is there a way to stop this?

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Audio via BT Carkit over speakers in car

I just experienced a bug. I got in mij car, enabled bluetooth and stared the enging. I could hear the touch cruise connect to the parrot bluetooth carkit (usually it beeps twice, now it beeped 4-5 times).
I fired up my TomTom, instructions were given over the speakers of my car stereo (via carkit)!! I did some testing with other audio files, all worked over speakers.
Quality wasn''t sufficient for audio, but e-books and podcasts sounded good enough.
After a few minutes of playing arround I received a call, after hanging up the call the usual way on the carkit shut down the possibility to hear audio over the car speakers.
Anybody know a way to force audio over the car speakers through the handsfree??
Try this tool:
it sends all the audio signals to the headset (or BT Carkit)
Would it be possible to switch bluetooth audio on just when there is a sound to play, cause it seems a little bit useless to hear nothing when my navigation has nothing to say..

[Q] Phone sends noise via A2DB

Hello,
I've got a strange problem.
I connect the phone with my A2DP receiver in my car. The car audio has the function to switch automaticly to source A2DP if there is a signal.
On first connect everything works fine, bun on reconnect (leave the car, come back and reconnect) the phone sends a very low noise so that the car audio switches to A2DP.
There is no player running on the phone.
Samsung voice to go and vlingo or similar are not installed (I hear the same noise when vlingo is in listening mode).
When I start a player, start music and stop again, the noise is gone and the car audio swiches back to radio.
If I use a MW600 instead I can hear the noise too, when I turn the volume up.
I had the issue with Stock KI4 and now with CheckROM V6 too.
Did someone noticed this noise too? I there something I can do?
thanks
Andre

Problems pairing RAZR bluetooth with Alpine stereo

Droid RAZR Maxx, stock ROM, rooted.
I recently installed an Alpine CDE-HD137BT stereo in my car, which has quite a bit of bluetooth functionality. However, I do have quite a few issues connecting my Razr's BT with the Alpine.
-Sometimes the BT icon on the stereo will light up, and the BT icon on the RAZR will turn blue, indicating that they are paired. However, even though they showing as being paired and connected, it occassionally won't play any audio through the stereo (in fact, the audio will play through the RAZR's speaker). This some times happens with CALLS as well.
-Sometimes the two devices will connect fine, which then automatically causes my phone to start playing music from whatever music app was being used last; the music will play fine through the car stereo's speakers for maybe 20 seconds, followed by a shrill, loud, high frequency tone that only goes away by switching the source or by turning the radio off/on (by turning the car off/on).
-Sometimes the phone will pair perfectly to the stereo, and I make a call before listening to any music. The call is executed beautifully, but then following the call, audio will not stream through the stereo, nor will any subsequent calls work via bluetooth.
-(known problem) the specific Pandora fucntions on the stereo do not seem to work with this device.
Anyone else have the above issues? If so, what did you do to remedy them?
Thanks in advance!
never had those problems before but I now how pissy bluetooth between phones and radios can be, I had a pioneer AVIC D-3 with the BTB-200 bluetooth module. When I first got it I had to manually pair it each time and the problem was that when setting up the pairing I had to have the radio discover the phone instead of the phone discovering the radio or vice versa I can't remember but that solved almost all of the problems I had then, every once in a blue moon my current radio doesn't auto pair, but its not a huge deal as this one doesn't do A2DP audio streaming it only does the Hand Free Profile and text message alerts.

bluetooth audio issue

Anyone experience this? connected to the car bluetooth, but when i off the infotaintment and stop the car, the music continue playing using the phone speaker. H'mmm not a bit issue but very troublesome to stop what is playing every time
I read in a review that there's a setting you can change which lets you have music continue playing after removing headphones or have it automatically pause, I believe this setting will also affect bluetooth audio as well, perhaps this will help? I can't say if it is this though, I haven't got mine yet but it will be good for me to know too as I connect my phone to my car's stereo via bluetooth and will do the same with the Z2.

Switching audio between Bluetooth output and device Speakers

I was wondering if there's any quick switch way to stop playing audio through Bluetooth and start playing it through the device speakers.
It often happens that I leave my car and audio will still be pumping out through Bluetooth instead of switching automatically to the speakers. I used to be able to switch this very quickly on my Galaxy S8 but I'm not sure if there's any way to do it here.

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