USB dongle reverses audio channels - Huawei P30 Pro Questions & Answers

I recently realised that when using any of the several USB earphone dongles with my P30 Pro the left and right audio is swapped over. You don't notice it most time but I was listening to ASMR and noticed it and then tested with a channel test on you tube.
Whilst Bluetooth is an option the Netflix app is basic at best with no audio sync option.
Anyone else get this?

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[Q] Are you able to play music in your car through Bluetooth?

I am able to connect to my car and use it to make and receive calls with no issues. When I attempt to stream music to the car it connects but the car will not let me switch to the phone audio to play the stream. I think it could be a bug with the ROM.
Anyone else able to use Bluetooth for music streaming in their car?
getting my One wednesday if my Best Buy rep was accurate, and BlueTooth music better work, that's what I always use for playback!
Using it with an HS3000 hard wired into my headunit for the audio profile while simultaneously connected to the headunit itself for the phone profile and its working fine. Perhaps theres a firmware update for the headunit in your car?
I'm not able to get it to see my Sony Automotive Bluetooth player but I haven't messed with it while not driving to really go in to it.
lacrossev said:
Using it with an HS3000 hard wired into my headunit for the audio profile while simultaneously connected to the headunit itself for the phone profile and its working fine. Perhaps theres a firmware update for the headunit in your car?
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You are receiving the audio through the 3.5mm jack. My phone connects to the car and audio calls work great. I'm also having an issue with my TV. It shows connected but no audio plays, however when I press the volume on the phone it changes on the TV. I'm thinking something is missing or messed up in the ROM. I'm not sure if this is happening with other versions. It would be good to know.
Bachatu said:
You are receiving the audio through the 3.5mm jack. My phone connects to the car and audio calls work great. I'm also having an issue with my TV. It shows connected but no audio plays, however when I press the volume on the phone it changes on the TV. I'm thinking something is missing or messed up in the ROM. I'm not sure if this is happening with other versions. It would be good to know.
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Well your question seemed to be a question of bluetooth connectivity using the audio profile, so i gave you one example of when it does work for me. It doesn't matter that its outputting from the HS3000's 3.5mm in to a line in in my car, the audio gets to the dongle is the point i was getting at. Here are a few other things i have tested with it since i was curious as to whether this is a bug:
Moto S305, LG Tone, LG Tone+, Francois et Mimi Trois speaker, generic bt speaker i got as a door prize, and a samsung soundbar. Nobody can help you test whether there is a bug if there no information as to what you're trying to connect to other than "your car". As far as i know your car's bt protocols might be outdated and HTC left out some code for their BT drivers to work with older systems or if it is a genuine bug.
I appreciate your input, I thought you meant the cable was connected to your phone. It's wierd that I have a 2013 car and my EVO 4G LTE and an S4 both work but the new M8 doesn't.
I have no problem with streaming over BT to my car stereo or routing phone calls through it. I do have stuttering audio while streaming, however, which upsets me greatly.
I went back to the car and started messing around with settings and it now works. I had to disable and enable audio streaming. Audio is clean and crisp. Thanks for the feedback!
Captain_Throwback said:
I have no problem with streaming over BT to my car stereo or routing phone calls through it. I do have stuttering audio while streaming, however, which upsets me greatly.
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At times my audio will not come through. turning off BT in the car and turning it back on seems to allow the audio to work.....
I do however get the audio stuttering from time to time. Sounds like a CD skip almost. Yea I have been trying to figure out if there is a setting missing or something....most likely a bug though.....
Is the stuttering with all apps? I havent had much issue now but on my evolte i used ti get stutters whenever i transitioned towers or went screen off using gonemad and some flacs, poweramp seemed to be a bit better at it though.
Sent from my 831C using Tapatalk
Captain_Throwback said:
I have no problem with streaming over BT to my car stereo or routing phone calls through it. I do have stuttering audio while streaming, however, which upsets me greatly.
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Wow, not good. It's posts like these that help me to be more patient as I wait for my upgrade in July. Hopefully the little one like these are ironed out by that time.
I'm also getting random Bluetooth skips. Probably kernel related.
Sent From My HTC One (M8)
phone is not the issue here. Most smartphones have the capability to stream music over BT. The problem is usually when your car is setup to only handle calls over BT, nothing more. there's a workaround for this: You use Mono Bluetooth app in combination with your favorite music player app. It's not HD, but it works.
Code:
https://play.google.com/store/apps/details?id=com.maxistar.monobluetoothfree
Rydah805 said:
I'm also getting random Bluetooth skips. Probably kernel related.
Sent From My HTC One (M8)
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It seems my factory car stereo (which is only a year old) doesn't like the M8. I tried my 7 year old BT headphones and they streamed like champs. Stupid factory head units . I'm trying a couple of changes in audio_policy.conf to see if they make a difference. I don't think kernel is the issue here.
Captain_Throwback said:
It seems my factory car stereo (which is only a year old) doesn't like the M8. I tried my 7 year old BT headphones and they streamed like champs. Stupid factory head units . I'm trying a couple of changes in audio_policy.conf to see if they make a difference. I don't think kernel is the issue here.
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Does your radio have the ability to turn Bluetooth audio streaming on/off? That's what worked for me with my factory unit.
Bachatu said:
Does your radio have the ability to turn Bluetooth audio streaming on/off? That's what worked for me with my factory unit.
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No.
Alright, fixed up my streaming issue. I'll explain later and post a fix. Busy right now.
So what I ended up doing was updating audio_policy.conf in /system/etc to allow lower bit rate audio over BT/A2DP. Currently the file only allows streaming at 48000, while some devices can only handle good ol' 44100. Adding in the additional value seems to have smoothed out my streaming for the most part.
I did notice some intermittent skipping when my device was in car mode and/or charging at first, but those issues seem to have sorted themselves out now. I would recommend deleting your device and re-pairing after making the change to ensure the connection is set properly.
I'll post up a flashable zip shortly to allow others to see if it helps/works for them.
EDIT: Zip attached. Sorry it took so long, Firefox was giving me problems.
@Captain_Throwback thanks bro, will give it a try. I've noticed it only to skip when using stock HTC media apps. Using Google Play music doesn't skip for me. May be a coincidence? Anyways, flashing your fix.
Sent From My HTC One (M8)

USB-C Headphones on the Note 8 does not answer calls

I havent found any info on this directly on any of the forums.. But anyone tried using USB-C headphones/buds with their Note 8? My Xiaomi USB-C (with NC) ones just rocked up and tried it on the Note 8. Works fine with music and NC is working.. But no sound for voice calls? Tried VOIP calls too and depending on the method of VOIP, it may or may not work. Just seems Call does not route it to the USB-C as such but Media does.
I have the same issue as you bchliu. I own a pair of JBL Reflect Aware C usb-c headphones and they too work great while playing music, but voice calls are played through the internal speaker.
I wonder what we can do to resolve this?
d_mac77 said:
I have the same issue as you bchliu. I own a pair of JBL Reflect Aware C usb-c headphones and they too work great while playing music, but voice calls are played through the internal speaker.
I wonder what we can do to resolve this?
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Could be the model of headphone you got. I know some companies that where doing USB-C headphone would only work with certain phones. And some features wouldn't work either. I doubt JBL would do that, but you never know. Google a lil bit might find answer.
That's what kept me away from USB-C headphones. Sticking to jack and bluetooth. But I think USB-C may be the future for is multiple uses.
Why USB C Audio and /or calls do not work.
Its all about Digital vs Analog.
A phone either...
1. Converts both audio and voice to analog.
2. Converts only audio.
3. Converts neither.
Most phones only either do 2 or 3.
Now apparently, you can use a dongle for audio if your phone falls under #3, but idk why they have usb c voice disabled on the phone itself. Apparently the note 10 and newer ones support it though. They fall under #1

No left right audio

I was testing a Bluetooth headphones using some youtube clips, I noticed that there is no left and right audio channels, the audio was coming from both sides, I used the cable instead of Bluetooth and it was the same, I tried lessening to the clip on my PC using the same headphone and the experience is completely different.
Anyone faced the same issue??? I tried another set and it was the same thing
The clips I used to test the headphones from youtube (I can't post the urls, just search for the title)
Check your Earphones/Headphone Sound Quality with 7D Virtual Expirience
#Stereo: Left and Right Stereo Sound Test
I checked and on my device everything works fine, left and right channels separately just as they should be.
You might want to check if you have Mono Sound turned on in Accessibility settings.
If no, then I don't know what might be the cause.

Bluetooth YouTube Sound Audio Issues

So when I have my phone connected to a Bluetooth to 3.5mm adapter in my and when a new video on YouTube starts the audio goes mute. I have to pause and then hit play again for it to get the sound back. Also if I'm playing a video on YouTube and open up Facebook messenger and play voice message or video there won't be any sound.
I tried clearing the cache and storage on YouTube and Bluetooth in seeing but still the issue. I don't have this issue on my OnePlus 7T Pro 5G so i don't think it's has to do with my Bluetooth adapter. This happened as soon as I got this phone about 6 weeks ago. I just updated the software to Android 12 and still the same issue.
Any advice would be greatly appreciated. Thanks in advance

Question Usb C headphones not working in phone calls

Hi, have you experienced phone calls with usb C headphones?
It seems that they're ignored and calls happens only on speakers.
This happens also with other meeting applications such as Microsoft Teams and Google Meet. Everything related to "telephone" audio stream is not sent through headphone.
Multimedia audio stream (YouTube, Spotify, etc..) works fine with usb headphone.
I tried with two different kind of headphones, that works fine on my OnePlus 6t and my Hp Windows 10 laptop.
On Galay tab 8 (android 13 at this moment) it doesn't work.
Does it may depend on headphones? (DAC, other..)
It is quite strange that such a recent model does not work out of the box with usb wired headphones..

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