[REQ] AVRCP 1.3 Bluetooth metadata - EVO 4G Q&A, Help & Troubleshooting

O.k. this is my first thread on XDA, gotta say...love this site! Heres my request. I have a Pioneer Z110BT nav unit in my car which supports AVRCP 1.3 to allow track and artist text to be pushed while streaming audio over bluetooth. However I think the EVO only uses version 1.0, so I'm only able to use the pause, play, stop, ff, and rewind features on the nav unit. I saw somewhere that eclair added some support for version 1.3. Is there any chance of someone getting AVRCP 1.3 working on the EVO?

AVRCP only works sometimes
Alright I'm bringing the thread back from the dead because I'm having bluetooth problems myself. The problem is my AVRCP (the bluetooth function that allows external control of songs) only works sometimes with my bluetooth car stereo (Sony Xplod MEX-BT2900 and my Sony Xplod MEX-BT2800). I get into my car with the bluetooth radio on my stereo and my phone, the phone will connect completely (media and phone), but I will not be able to control music playback function from my cd player or steerling wheel control. Then I will do a complete soft reset and the AVRCP will work flawlessly (i have complete control of playback without touching the phone). My question is why does this do this? Why does it only want to work sometimes and not others? You can see my setup below. I do have Pandora installed but I went into settings and selected Bluetooth for Automotive (OFF). I'm using music installed to my SD card through the stock htc sense 1.0 music app. I have not tried google music or anything like that. I do have tune-in radio and iheartradio installed. It has done this for a bunch of different Rom's and kernels including stock. Is the stock sense bluetooth profile garbage or what?

I don't believe its your phone I have the same issue with a Droid x 2 and the bt2900. Mine will also leave a paused message on the head unit with music playing. I believe its a Sony issue.

Related

[Q] [REQ] AVRCP 1.3 Bluetooth metadata

I have a Pioneer Z110BT nav unit in my car which supports AVRCP 1.3 to allow track and artist text to be pushed while streaming audio over bluetooth. However I think the EVO only uses version 1.0, so I'm only able to use the pause, play, stop, ff, and rewind features on the nav unit. I saw somewhere that eclair added some support for version 1.3. Is there any chance of someone getting AVRCP 1.3 working on the EVO?

Parrot car kit a2dp experience

Just wondering whether anyone else has connected their phone (I have a HD7) to a car kit or similar?
Here's my experience with Parrot Mki9100.
Using the parrot controls:
Most things work. Play and pause work, voice control works either by syncing your contacts to the parrot or by not syncing and then using the phones voice control.
For some reason if you pause the music you cant press play on the parrot kit again, you have to go back into the phone to press play.
Forward and back for tracks works, the skip forward and back doesnt.
Of course you can control from the phone however you want. I'm sad that the promised voice control of the zune interface didnt come through.
But the biggest problem is a slight crackle with the music. It's not a massive problem and I've not used any other devices so it might be that I'm expecting too much of bluetooth a2dp and i'm happy using it like this. But at certain types during songs which have lots of guitar going on you get a crackle.
I was trying to work out if it was the phone or parrot, so i've connected my phone to my laptop, playing music now and the same lovely crackle. Anyone else experienced the same?
Thanks and hope this was helpful to someone
I just connected mine to my car for A2DP as well (Samsung Focus). It streams music fine but my play/pause/skip controls don't work (they did on my WM 6.1 device). I also have the same issue of having to use the phone to resume after a call.
I get the slight distortion as well at HF (just from tweeters). I believe this is b/c A2DP includes compression in the protocol (its not full 20-20k bandwidth). Its only on a few songs for me and something I can live with.
I am experiencing the same thing. However, the bluetooth stack on wp7 is way...way better and works with parrot better than any of the previous wm versions.

[Q] car stereo not responding to Bluetooth controls

I have a brand new evo hardware version 4 softare 3.70. Before i rooted i could use my car stereo to pause or skip tracks in Pandora and other apps. Since I rooted I can no longer use the car stereo to control those apps. I have tired multiple roms but have found none that work. Not sure if it is a kernel problem or what. Would appreciate any help.

[Q] g2 compatible car stereos?

does anyone know of any models of car stereo that you can hook a g2 into and control the g2's music player (or that has a corresponding separate music playing app that is controllable at least). i'd like to be able to hook up my phone by usb and then use the deck controls (or even better the controls on my wheel) to skip forward / back / pause, etc.
i've been searching and everything says "ipod/iphone" compatible and nothing mentions android. at best they say that the music will play thru via usb, but not whether or not you'll actually be able to control the music too.
thanks for the info
Dave
The Desire Z works with all (the) cars (I have tried) that have Bluetooth. You have to switch to BT Audio not just BT Phone, but then the controls work just fine.
Pretty much ANY USB automotive HU will work fine. It does NOT play music through the USB as fruitjunk does though... you plug the phone in, enable MASS STORAGE MODE, and use the HU to browse/select/play the mp3 file. The audio decoding happens in the HU, not the phone. No need to do things the iDiot way.
Alternatively, you need a BT HU that supports AVRCP, then you can use the HU to control the phone's media application.
thanks
hey thanks to both of you. great info. just out of curiosity, do you guys actually use these features? and what head unit are you using?
thanks
I use a Sony bt3600u stereo that works fine with BT. Allows pausing/Playing, Skipping forwards & backwards of tracks on the stock music app.
Doesn't display track names etc (Just says 'BT Audio') but that doesn't bother me.
This is my stereo: Link
Hope that helps

[Q] Cyanogen mod Bt handsfree and bt audio features don’t work if Music player paused

What caused issue: newest cyanogen mod update
After updating from CM 7.1.0-RC1 to CM 7.1.0 my Bluetooth stereo in my 2011 toyota camry (when connected) only plays the mp3 (Music) player on my EVO. If the mp3 player is paused, no audio will come through from anything on my phone. All other applications, be it handsfree phone features, streaming apps, Pandora, youtube, google maps don’t come through the stereo. If the audio player is being played, other apps’ audio can come through.
Now I know the Cyanogen team messed with the Bluetooth stereo because my car stereo now displays the mp3 track names and it never did before the update. I would gladly forgo that feature to return Bluetooth audio normalcy to the rest of the phone. Even stranger, on my dad’s 2010 Lexus es, which has an older version of Bluetooth stereo, EVERYTHING works just fine! This makes me think that this is an issue related to newer bt stereo models.
It could be a while before the Prime comes to Sprint, also could be a while until CM gets ICS working on Evo supersonic.
Please help.
I am experiencing the same problems exactly as you described with my 2010 Toyota Camry. I have only been able to get the "stock" ROM with the "stock" kernel to give me full functionality. Even with the stock rom, if I upgrade just the kernel, I get the same problem. Did you ever find a solution? I have been researching on the various forums and the internet and have not found a solution yet.

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