VoIP calls over a2dp - Android Q&A, Help & Troubleshooting

I'm trying to use a2dp for my VoIP calls (eg. in Discord) so I don't lose audio quality.
I'm aware that a2dp doesn't support bidirectional audio and so I'm fine with using my phone's builtin mic and not having call controls, that means I just want my bluetooth headset to act as if it was connected with a 3.5 mm jack, no mic, just audio output.
Please avoid responses such as:
It's not possible, you need a telephony profile.
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It's obviously false and as I said, I'm aware of the limitations of a2dp and only want to use it as an output and use the phone mic as the input instead just like with 3.5 mm jack headphones that don't have a mic.
As an example It's perfectly doable on Linux by just setting the profile in pavucontrol, there's no reason the same shouldn't be possible on android.
I'm open to any means, I'm rooted and a ROM installing maniac so it's not a problem if any modification is needed which is probably the case.

Have you ever found a solution to this? I have the same issue and am getting quite frustrated with it since it does not work even after messing with the `/vendor/etc/audio_policy_configuration.xml`. Any advice would be much appreciated.

Related

Hearing Music via Bluetooth and Car handsfree set

Hi all,
I have on question. My Car is a Audi A4 from 2004 and a used the in car hands free for telefon calls. My question now is, is it possible to hear music from the Touch HD musicplayer through BT of my car hands free set? Is there a software available that let the car hands free set think that the music is a phone call
I hope my question is clear to understand.
Thx
BT Audio should do the trick, i used it with my Kaiser and it worked great
http://www.davidmays.com/BTAudio/
Or http://bluetooth.pdatopsoft.com/SmartPhones/Bluetooth-Audio-Router
Does not work in my Audi
marttijn said:
Does not work in my Audi
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Your Audi probably doesn't support A2DP (aka Stereo Bluetooth). You'll probably need to plug something in to make this work.
spooki37 said:
BT Audio should do the trick, i used it with my Kaiser and it worked great
http://www.davidmays.com/BTAudio/
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Thanks! This really works. I've just used it in combination with my parrot. The only problem is that the sound quality is really awful..
Hi Jammy. I'm really glad to hear it works. (I wrote BTAudio)
The reason the sound quality is awful is that it makes use of the "Audio Gateway" service, which is only intended for voice quality audio. Every mono bluetooth earpiece I've seen makes use of the Headset/Handsfree bluetooth profile, which only supports basic Audio Gateway sound.
It's just an essential limitation of the hardware.
To hear good quality, your car or car kit would have to support the A2DP profile, in which case you would not need any additional software, as long as your phone has that profile enabled, and you can successfully register your car to use that service on your phone.

[Q] Bluetooth Earpiece

I got in on the Samsung WEP470 deal at NewEgg to use with my G Tab. But in testing it, I've noticed that it will pair, no worries, but it won't connect.
My goal is to use it to replace the rubbish internal mic for skype calls when my daughter is traveling.
Any ideas? Does anyone have a BT earpiece that does connect and can work for calling?
Thanks!
--mop
I have Motorola S7HD stereo bluetooth headset and it pairs and works great with my G Tab running latest TnT Lite. I use them to listen to pandora, and watch tv/movies from my media server using plugplayer. I haven't tested yet for video conferencing, but it should work for that too. I'm too lazy to convert my Skype friends to oovoo or whatever it is, I'm hoping Skype will just finally add video to Android Skype soon.
Good luck.
MC
Only A2DP Bluetooth
I have a Plantronics Blackbeat 903 which also works perfect for listening (through A2DP), but that's all I've been able to achieve. I mean, I can not make it work as audio input, just output. I guess g tab doesn't have the hands-free (HFP), or headset (HSP) Bluetooth profiles required to do that. So, even though I have Skype installed and I can make calls and listen via bluetooth, the built-in mic is still being used during the call instead of the Bluetooth headeset mic.
I've been googling around and still have found nothing about whether that functionality can be enabled. If you guys find something, let me know.
Anyone have BT headset/microphone combo that works?
jeanux said:
I have a Plantronics Blackbeat 903 which also works perfect for listening (through A2DP), but that's all I've been able to achieve. I mean, I can not make it work as audio input, just output. I guess g tab doesn't have the hands-free (HFP), or headset (HSP) Bluetooth profiles required to do that. So, even though I have Skype installed and I can make calls and listen via bluetooth, the built-in mic is still being used during the call instead of the Bluetooth headeset mic.
I've been googling around and still have found nothing about whether that functionality can be enabled. If you guys find something, let me know.
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I have a Rocketfish RF-MAB2 stereo headset that works for audio output but not microphone input (works ok on my blackberry tour). Just tried Sipdroid and while I could hear fine, audio was definitely going through the microphone on the G-Tablet ("sounds like you are under-water").
Bummer. I would like to be able to hear and talk through this set of headphone/microphone. My Emerson EM227 will pair but not connect. Is this an issue where the proper bluetooth stack isn't present?

Bluetooth headset connects but can't stream audio

My Motorola H17 pairs and connects to my TP but there's no sound when playing music or audio. It works fine with my Optimus V phone using the BT-Mono app to redirect the sound out to the headset. I've tried BT-Mono which appears to function correctly (no errors etc), but when I switch it over no audio through the H17 although the tablet speaker is muted as it should be.
Is there something else I need to do on the Prime to switch the sound over, is it an incompatibility issue with this headset, or is there another app that would work? I've searched a bit and apparently others with BT headsets get them working with TP, but also found very little on the subject. Perhaps it's the lack of phone functionality with some headsets? I'd try another brand/model if I was sure it would work.
Thanks for any help.
Get audio manager from the market, there is both pay and free, pay attention to incall volume. It worked for me, seems incall volume is defaulted to zero at least in my case.
Dahenjo said:
My Motorola H17 pairs and connects to my TP but there's no sound when playing music or audio. It works fine with my Optimus V phone using the BT-Mono app to redirect the sound out to the headset. I've tried BT-Mono which appears to function correctly (no errors etc), but when I switch it over no audio through the H17 although the tablet speaker is muted as it should be.
Is there something else I need to do on the Prime to switch the sound over, is it an incompatibility issue with this headset, or is there another app that would work? I've searched a bit and apparently others with BT headsets get them working with TP, but also found very little on the subject. Perhaps it's the lack of phone functionality with some headsets? I'd try another brand/model if I was sure it would work.
Thanks for any help.
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[Q] ASK: app for using Bluetooth headset as a wireless sound system

Hi guys, i've been searching the internet with no avail, so now i hope the collective wisdom of XDAdevs can help me out.
I frequently need to do presentation on various places, and i fond thatO holding a microphone gets old really quick. I also believe in using my devices to the limit and beyond. I currently own a Plantronics edge bluetooth headset and a G3 phone.
so what I need is a way to use my bluetooth headset as a wireless microphone. In essence, what i need is to use the voice input on my bluetooth, transmit it to the phone, process it (if i want to) and output the result on real time to the 3.5 microphone jack, which i will connect to whatever sound system the room provides. Some apps I tried does the first part well enough, but unfortunately it transmits the output back to the bluetooth headset, and has no option to redirect it to the microphone jack. Can anyone help please? Much obliged.
Ps: my work frequently requires me to make phone calls without touching my phone or my headset. Can anyone recommend a good way to make the bluetooth headset phone 'listen' for keywords and voice dial my contacts selected numbers without me (or others) ever touching the phone or headset? Many thanks!

Stereo bluetooth on phone calls? (ignore mic)

I got some new true wireless earbuds and the audio quality is great for music, and the microphone quality is actually great when recording something like a voice note. But as soon as you use both the audio and mic at the same time, both suck.
So is it possible to use the headset in stereo just for the audio and the phone's regular microphone during calls? I've been looking around for the last hour or so and can't seem to find anything. No apps, no settings, no developer options. As soon as I turn off calls on the device it just uses the phone's speakers and mic.
ScottyDoesKnow said:
I got some new true wireless earbuds and the audio quality is great for music, and the microphone quality is actually great when recording something like a voice note. But as soon as you use both the audio and mic at the same time, both suck.
So is it possible to use the headset in stereo just for the audio and the phone's regular microphone during calls? I've been looking around for the last hour or so and can't seem to find anything. No apps, no settings, no developer options. As soon as I turn off calls on the device it just uses the phone's speakers and mic.
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To be honest ... IDK.
On some devices, you can set another audio device for a special app.
Settings - Sound and vibration - Separate app sound
I just tried it with bluetooth speakers and the phone app, but was not successful. Maybe it works for you.

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