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[Q] Bluetooth Voice Command prompts not loud enough / Nexus 5 and Pioneer CD-BTB200

Hey,
I am having trouble with my Pioneer CD-BTB200 Bluetooth Adapter, which is a common problem, according to the very few available threads on the internet.
This also didn't work with any other Smartphone before i.e. Samsung S3 or Blackberry Bold 9700.
Cliffnotes:
-pairing, media streaming (different source) and receiving and making calls works great! No issues there
-transfering the contact list results in a big mess, I have to dig in there if I can figure it out or if I just transfer one contact after another....
-now for the problem.......I installed Cyberon Voice Commander because it gives me the best behaviour and voice recognition since I am a native German speaker. Google, Dragon and AIVC don't work really well. But it doesn't matter which voice assist app I use, because it is the Bluetooth adapters fault. The Nexus 5 is rooted and runs stock Kernel with KitKat 4.4.2.
When I press the voice dial button on my Pioneer AVH-P5000DVD deck it activates the Cyberon Voice Commander app (or whichever is set as default). so far so good, that is what I want.
But! the dialog between me and the phone is almost impossible because the output volume over the car speakers is way to low. I have to literally pick up the phone and look at it's display to see what the voice commanding app is doing because you have to wait until it is finished asking what I want to do. (just holding a phone is illegal in Germany)
Assuming the app understood me right and starts dialing everything turns to be fine from that point because the volume of the actual call is perfect!
When the phone talks back to me I have to crank the volume all the way up to understand it a little bit and then turn it back down fast before the phone call starts or it'll blow the speakers out....since my car is quite loud when on temperature I don't think I will understand anything when I am driving.
I heard that the app TASKER could be programmed to raise the Bluetooth volume at a certain point and then lower it again. I checked but it only goes up to 15, which I already have set before with the stock volume slider. Additionally I have no idea how to configure Tasker to (maybe) get rid of the problem.
Has anyone ever heard of a similar problem and / or has an idea how to handle it?
Again, it's only the voice command prompts that are way to quiet when I start the voice dialing function via Bluetooth, everything else is fine.

Fixed the issue with SoundAbout!
https://play.google.com/store/apps/details?id=com.woodslink.android.wiredheadphoneroutingfix&hl=de
Now the voice prompts play loud and clear over the car speakers! Every other volume managing app failed miserably!
I used the latest Beta Version btw, going to buy the Pro Version soon.
http://soundabout.userboard.net/f8-download-beta-versions
I did very little changes to the settings, if anyone is interested I can hook you up with some screenshots

sutobe said:
Fixed the issue with SoundAbout!
https://play.google.com/store/apps/details?id=com.woodslink.android.wiredheadphoneroutingfix&hl=de
Now the voice prompts play loud and clear over the car speakers! Every other volume managing app failed miserably!
I used the latest Beta Version btw, going to buy the Pro Version soon.
http://soundabout.userboard.net/f8-download-beta-versions
I did very little changes to the settings, if anyone is interested I can hook you up with some screenshots
Click to expand...
Click to collapse
I have this issue as well. SO what did you have to do with this app?

Bluetooth calls not working in Marshmallow

I just flashed the OTA update for Android 6.0 last week on my Nexus 5 and I noticed that with the new update, phone calls no longer get routed through Bluetooth on my Mazda3. It is able to pair fine with the car and can stream music through Bluetooth, but calls do not go through.
Here is what happens:
When I place a call, the audio automatically gets routed back to the phone. If the other person picks up, calls will continue going through the phone speaker unless I manually select route through Bluetooth. Sometimes this works and sometimes it doesn't, but it does get frustrating trying this workaround especially while driving.
I tried unpairing and re-pairing bluetooth with the car, cleared the data and cache of the Bluetooth app on the phone, and even tried a factory reset, but the problem still persists. Anybody else run into the same issue and found any possible fixes?
For the record, when I did this with Lollipop 5.1.1, it worked without a hitch.
Thanks!

I am having a similar problem trying to connect my Nexus 5 running Android 6.0 to my JVC car stereo. It continually complains of an invalid key, albeit both phone and car head unit show the correct key.
I am unable to make a bluetooth connection at all with the stereo. I had no issue with my Nexus when it was running 5.1, and my iPhone 5 continues to pair with the stereo.

I had this issue on the last preview but haven't seen it yet on final 6.0. For either regular calls or Hangouts calls.

I just rolled back to 5.1.1 and Bluetooth calls work fine with the car now. So it appears that it is a problem that is resident in 6.0.

Same here, but a little different: It pairs and when I start a call from the menu it goes down but the call is still up on the phone. When the other person picks up the call is re-routed to the car speakers... very strange behaviour!

Same behavior as what you are seeing when paired to a '15 Accord but works fine on a '14 Camry.

im at 6.0.1 and has the same problem, streaming music through bluetooth is ok but no voice call...

Any news on this? My wife's nexus has same problem. Nexus 5 with Android 6.0.1. compiling version M4B30Z.

I read on a different site to disable wireless scanning in location. Just tied that and have been able to make and receive calls from the car. Will be interesting to see if it continues to work.

External Mic in App, sound very low

My OPO is running Android 8.1.0 (LineageOS version 15.1-201800121-Unofficial-bacon)
I notice that when I want to use my external mic with Whatsapp or phone app, other side just can't hear me.
To test the mic it self i made a recording using the a microfoon app, and even when my whisper, I can hear what I have recorded.
that means that mic is working fine.
Anybody an idea what the problem could be?

i want to give an update to my problem.
This week I installed a new Rom, CarbonROM, to see if this could solve my issue.
But unfortunately, i am not able to make a video call. other side just can hear me.
Also magisk Module Android Mic Fix did not help.
Found it very strange that I can use my mic without any problem. i can make recordings, I can use OK google, and i am also able use Speech to text inside Whatsapp without any problem.
But i cannot make a video call or use my external mic when doing a normal phone call

xiaomi 10 lite connected with BT to car entertainment system, only noise during calls

very strange thing.
skoda car, i've used for 2 week without any problems the call when connected via BT to the car system.
but now every call i make or receive, both I and the responder/speaker, hear only a big noise.
Tried with another smartphone and no issue, but very strange if i connect the xiaomi to a BT ears no problems at all, if i connect the xiaomi to a BT speaker no problems at all...
I have already tried,:
-delete and reconnect the phone to the car
-reboot the phone
-manage the bt option on the phone, disable AAC and absolute volume
I have to try the xiaomi with another car....
any suggestion?
android auto isn't connected but it's possible that interfere with something else?
Many thanks

ironia. said:
very strange thing.
skoda car, i've used for 2 week without any problems the call when connected via BT to the car system.
but now every call i make or receive, both I and the responder/speaker, hear only a big noise.
Tried with another smartphone and no issue, but very strange if i connect the xiaomi to a BT ears no problems at all, if i connect the xiaomi to a BT speaker no problems at all...
I have already tried,:
-delete and reconnect the phone to the car
-reboot the phone
-manage the bt option on the phone, disable AAC and absolute volume
I have to try the xiaomi with another car....
any suggestion?
android auto isn't connected but it's possible that interfere with something else?
Many thanks
Click to expand...
Click to collapse
Hello. Any updates on the topic?
Let me add my story here too. The thing is- my phone is mi note 10 lite.
Here it goes. So, recently, about a week or 2 ago the Bluetooth audio stopped working completely on my device. I don't understand where to look, and how did it happen. The phone was global official rom, locked bootloader no root etc.
The situation is as follows : the headphones /car audio system can connect and pair. But there's no sound when you press the play button. Moreover, the Bluetooth works, at least I think it works also because I have a huawei watch connected to the phone. And I have notifications everything is fine.
So during these 2 weeks I tried to clear cache/bt and wifi settings (no need to tell you that my headphones connect and play music with no problems with other devices. Tried on my wife's p20 pro.) i tried to make factory reset. No results. Today I even rolled back on android 11 rom from 2021. Offcical rom. Sadly nothing changed. Everything works perfectly, except Bluetooth audio.
Have redmi buds 4 pro and amazfit powerbuds. With my phone they connect but no audio. With huawei p20 pro they connect and work how they should. Also they have no problems with my mi tab 5.
Don't know what to do.

Hearing Aids: making calls

Hi,
anybody outhere with hearing aids who can make calls with their hearing aids as audio output and a working microphone?
If so, could you please state what
- hearing aids
- phone
- OS version
- and if you had to do something else (install an app, add a setting, ...)
?
Thanks!
I recently got myself a OnePlus 9 Pro and after pairing my Starkey HAs the phone outputs all audio to the HAs w/o trouble, even in a call -- but there's no microphone, hence in a call I hear the other party but they cannot hear me.
While the HAs are recognized as such, Accessibilty does not offer a setting for HA compatibilty, nor is there a way to pick the audio input device or at least check/modify the microphone volume.
All info I can find seems outdated or misses the point entirely (using HAs to make a call).

To answer my own question: w/ OOS 13.1 sound is routed directly to my hearing aids and one of the phone's built-in microphones picks up my voice (need to experiment further to find out how to hold the phone to get the best quality).
I currently try to figure out if it still works that way if I flash LOS ...