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Problem with call quality with bluetooth

I own an ASUS Zenpad 370 CG phablet and a bluetooth headset Plantronics Voyager Legend. Android version is 5.0.2.
Here is my problem:
Earlier I was using this bluetooth with Samsung Galaxy SIII. The voice quality was great at both ends. But when I switched to Zenpad, I started hearing complaints from those with whom I was talking. I could hear them alright, but they complained of unclear sound.
I did the check by being at the other end. My wife called me, using the bluetooth, from SIII first and then from Zenpad. SIII sound was good, but Zenpad sound is faint. If she spoke up, I could hear her well. But at normal level of speech, I needed to strain my ear.
I checked bluetooth with Easy Voice Recorder and Skype. When I record with bluetooth on Easy Voice Recorder (Paid app), the voice is faint. But this app has a mic boost for bluetooth. When I boosted the mic, the sound came out loud enough and audio quality is also very good.
When I use bluetooth with Skype (Echo / sound testing service), my own voice (through bluetooth) played back to me is very clear.
I had one more interesting observation. I was talking to someone and needed to record the call. While talking to her, the sound quality at both ends wasn't great, but we could talk. But when I played back the recording, the sound quality of both of us was much better.
To me it seems that Zenpad's voice caller is somehow inferior to that in Samsung Galaxy SIII. I looked for bluetooth mic booster for voice calls. But there seems to be none such. I tried using other caller apps, but they also seem to use my built in app.
It seems that if I can somehow manipulate some settings in my caller app, or I can completely replace it with another caller app, I should be able to get very clear voice quality in Zenpad, like SIII.
What does the developer community here think? And what suggestion does it have, if any?
Thanks
Sanjay
Bangalore, India

Disable mic of bluetooth headset in Oreo?

Hey XDA,
my question is related to the mics of bluetooth headsets.
Is it possible to disable them and use the one of the phone instead ? (The audio quality gets bad when calling with the bluetooth mic, I mean it should be better when disabling it).
SoundAbout doesn't work (incompatibility with Oreo ig) and other Apps don't have what i need.
Same goes to wired headphones with inline mics (since the one i use is crackling).
I'm thankful for any tries or hints on how I could make it work.
Have a nice day!:good:
Phone: LeMax2
Rom: RR 6.0.0 - Oreo 8.1.0

same problem here. I cannot find the solution.

This is just what I've been looking for.
This is how I think it goes: there's different channels where sounds goes, one is what you use for almost all media, (another one is that is used when you enable media player to play along with others or play games (not sure)), and one that where calls are. "Call mode" is what makes sound crappy and I think that microphone is related crappy sound too, because it needs more Bluetooth bandwidth to transfer mic and audio data at the same time. Reasoning behind those different channels is because I have screenrecorder which can record system sounds too, but it cannot record when phone uses Bluetooth earphones mic(when it is in "call mode"). And there's more why I think it is so: I always get notification that I'm in call even if I play pubg with microphone access enabled but don't use microphone or use live video platforms like Microsoft teams or Google meet. Also sound control is same as in normal voice call: can't really mute sound fully and if Bluetooth disconnects, it plays audio from phones speaker when in normal media player it pauses it or continues playing sound in same level as last used volume level on phone speaker.
I'm currently looking way to make audio of those "calls" go as media audio and make it use mic from phone. And also making discord channel for Android users to discuss about things like these and find useful features to make use of android much easier.
Correct if I'm wrong about anything stated earlier..
And if you have any tips where I could find more specific info on this.

I found way to make it use phones mic and thus making sound quality better
I used this "mic speaker" from play store. Unfortunately I don't yet have access to post links.
Edit: sorry, wrong call. Something happened in sound quality, but it's still crappy compared to wired earphones

Help, discord app messes with audio quality

Phone: Huawei P20 Pro
Android: Oreo 8.1
EMUI: 8.1
Peripheral: Sony headphones/speaker/Bluetooth headset.
Issue: discord app turns media quality to ****.
So the issue is when I join a discord server or private call, my audio from any media source (Netflix Spotify YouTube) goes to ****. It's low, it cuts in an out almost as if someone is turning the volume knob up and down on either my mic input or other people's yet not consistently so I am not sure if that is why. Not to mention the calls them self sound like crap (other people's voices).
I've tried listening to media while in my phone's regular calls and it sounds perfectly clear with no distortion.
The funny thing is if I were in a discord call, then make a real phone call. Discord takes a MAJOR jump in audio quality along with all media sources. So for example if I'm watching Netflix while in a discord call while also on a phone call dialed into my voice box for example. Everything works perfectly, MINUS ONE detail; my mics priority is then forced to my cellphone call.
I've had a Sony Xperia Z2 on Android 5 and I never ran into this issue before. I even could make phone calls on my cellphone while in a discord and never lost mic usage for either. They both had access to my mic. Lookin online I see other phones with similar issues. They all seem relatively new phones too. Is this an android issue or select phone issues. any fixes? Or am I doomed to calling my inbox if I'm watching something and then hanging up cause I wanna say something.

No audio output - only on standard phone calls

Hello all,
I have a very weird issue on my Mi4. There is no audio output from any app (Media player, Whats-app, Skype, Youtube, etc. )regardless if it's the phone's speaker or if there are headphones. There is simply no audio. But here is the crazy thing - the microphone works so i can send audio messages on whatsapp for example or record my voice but can't hear them back. Also the only audio output i get both from the loudspeaker and headset is from a standard phonecall. Anything else is simply mute. No sound at all.
I've tried scouring the internet for a problem like this but haven't found anything. I've tried a lot of things short of reflashing the rom. But if someone can come up with a better solution i'd be more than happy to try it.
Thanks
Update: I flashed another ROM and the problem persists.

Bluetooth Headset Mic Does not work

Hello
I am using Sony WI - XB 400 bluetooth earphones. While it connects fine and I watch movies, listen to music etc. The microphone of the device does not work with third party applications like voice recorder, discord, etc.
If I make a call and keep the phone in my pocket the mic of the bluetooth device works fine. However if I simply open up a voice recorder and keep the phone far away, so as to force it to use the bluetooth mic, no voice is recorded. The same goes while I try to test micrphone in discord settings. It detects nothing if I speak on the bluetooth mic/ tap on it, but if I tap on the phone's inbuild mic or talk into it I can see the mic working.
Anyone faced such issues?

I'm using the huawei freebuds 3 and apple airpods daily with my nord. The microphone works fine for me, people hear/understand what I say. Could it be that your microphone permissions need access? Check that out before you proceed.
But you talk about recording, are you using some kind of call recording software? If so I can tell you this is not possible without root. I have searched and tested several apps but recording quality is verry bad in such a way it's useless. I have not rooted my phone yet, so I cannot say anything about how it works when rooted.