Android P Beta DP 4: Bluetooth Latency - Google Pixel 2 XL Questions & Answers

Has anyone noticed any latency with Bluetooth headphones on DP4? I was on Oreo and previous DP3 and had no issues with my truly wireless headphones. Using Sol Republic Amps Air and Samsung IconX 2018 and they both now have Bluetooth latency with video, was not like that before. I tried changing the codec in dev ops, but for some reason, it keeps reverting to the same codec. Possibly an issue with the headphones not supporting every codec. But my challenge is this was not an issue before.
Looking to see if anyone is reporting similar issues or if I need to do some more internal investigation on my hardware.

Very strange that headphones that worked without latency, now have it with the latest DP. With my Bluetooth headphones and car system (which have never had latency) I haven't gained any issues with any of the DPs.
Sent from my Pixel 2 XL using Tapatalk

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Verizon Note 8 8.0 bluetooth issues?

Hi all I recently updated my verizon note 8 to 8.0 and all is well except bluetooth. Even connected to my car songs will skip stutter and often disconnect itself from bluetooth altogether. I never had this problem on 7.1. Any ideas how to fix this? Anybody else have bluetooth issues with this update?
I only use it on my LG HBS-1100 Headset and no problems. BTW, love all the sound optimizing this phone has.
Now if ONLY it could be rooted so I could have Viper back
I've noticed some lag or difficulty connecting since updating to Oreo. Have not tried diagnosing yet though.
I have stuttering on 7 and 8. But just on bluetooth speakers not headphones.i just associate it with using cheap speakers and higher quality headphones.

bluetooth audio issues in Pie?

After updating to Pie bluetooth audio turns useless because only for 10~30sec the audio is continous. after that short period harsh interruptions begin to happen until the audio stops. all this sequence in less than 1min.
my headset is JBL DUET Mini and work fine in other devices.. I verified this problem with spotify and YouTube.
I tried to change bluetooth audio setup in developer options but remains the same.
Anyone having the same issue? Any idea?
Thank you!
I've had the same issue in Oreo, and now in Pie. Though it's never gotten to the point where it stops; it just continues, horribly, 'til I stop it myself.
Tested with Vanilla Music, streaming via Bluetooth to an Amazon Echo, Echo Dot, and an Amazon Basics Bluetooth speaker. (jeez, never realised how much Amazon stuff I have lol)
Bluetooth is horribly broken on pie and its interferes with WiFi.
There is a new update for pie, can you check if it is still broken?
Poor playback to Anker portable bluetooth (4.0) speaker with crackling / stuttering noise interference when initiated from A2 Lite. Works fine from Laptop to Bluetooth speaker (A2 Lite disconnected), but v. poor from A2 Lite to speaker. NB. Same digital media.
Suspect Bluetooth problem with A2 Lite Pie 9.0 (OTA) version. V10.0.2.0.PDLMIFJ
Could be a CODEC issue?
Developer options show :
AVRCP 1.4 (Default)
Bluetooth audio codec streaming:SBC
audio sample rate: 44.1 khz
Audio bits per sample: 16 bits
Audio channel mode: Stereo
Playback quality: Best effort (adaptive bit rate)
updated: experiencing same issue when using Ausdom M04 Bluetooth headpones with A2 Lite
Javtor said:
After updating to Pie bluetooth audio turns useless because only for 10~30sec the audio is continous. after that short period harsh interruptions begin to happen until the audio stops. all this sequence in less than 1min.
my headset is JBL DUET Mini and work fine in other devices.. I verified this problem with spotify and YouTube.
I tried to change bluetooth audio setup in developer options but remains the same.
Anyone having the same issue? Any idea?
Thank you!
Click to expand...
Click to collapse
I have the same problem...
On Oreo there weren't problems, but since Pie it's really horrible
I hope this will be fixed or someone has an idea for that
whise1 said:
There is a new update for pie, can you check if it is still broken?
Click to expand...
Click to collapse
Newer than V10.0.2.0?
Bluetooth (audio streaming issue, lack of codecs) & WiFi (IPv6) is still broken.
ShadyTurtle334 said:
Newer than V10.0.2.0?
Bluetooth (audio streaming issue, lack of codecs) & WiFi (IPv6) is still broken.
Click to expand...
Click to collapse
Sorry i thought that there was a newer one.
I reverted back to oreo to fix my problems. My original post is here: https://forum.xda-developers.com/mi...pie-update-t3883829/post78532365#post78532365
AAC codec was removed in PIe, leaving only the low quality/high latency SBC codec. Hopefully the next update includes AAC as it is absolute bare minimum for a 2018 phone of this caliber.
kitaco said:
AAC codec was removed in PIe, leaving only the low quality/high latency SBC codec. Hopefully the next update includes AAC as it is absolute bare minimum for a 2018 phone of this caliber.
Click to expand...
Click to collapse
All codes were removed except that low quality low bandwidth sbc codec, it is reall low bandwidth broadcasting so you with have a lot of lag with Bluetooth, the aptx magisk module works but, you have to use Bluetooth headset for music, no loudspeaker or headphone jack will output music streams. I'm sure PIE is just a stable beta so hopefully the final version should qualcoms codec.
I also having this issue even already upgraded to:
Android version 9
Android security patch level January 5, 2019
Baseband version 953_GEN_PACK-1.182577.1.184854.2,953_GEN_PACK-1.182577.1.184854.2
Kernel version 3.18.120-perf-g783cd9f#1 Mon Jan 14 16:08:26 WIB 2019
Build number PKQ1.180917.001.10.0.3.0.PDLMIXM
Very annoying!
Previously on Oreo doesn't have this issue!
cronosmachine said:
I also having this issue even already upgraded to:
Android version 9
Android security patch level January 5, 2019
Baseband version 953_GEN_PACK-1.182577.1.184854.2,953_GEN_PACK-1.182577.1.184854.2
Kernel version 3.18.120-perf-g783cd9f#1 Mon Jan 14 16:08:26 WIB 2019
Build number PKQ1.180917.001.10.0.3.0.PDLMIXM
Very annoying!
Previously on Oreo doesn't have this issue!
Click to expand...
Click to collapse
That's bad to hear
I hoped that the january update would fix this bug.
I think, I will remain on Oreo till they fix it
Noticed a number of Bluetooth bugs logged with Google regarding Pie.
https://issuetracker.google.com/issues?q=bluetooth
Someone raised the A2 Lite issue, but it was rejected, saying it was up to xiaomi to sort.
https://issuetracker.google.com/issues/122369751
Just wondering if it could be a hardware issue, e.g. wifi and bluetooth using same frequency on same ariel and interrupting each other?
They (google) do seem to have assigned the SBC codec issue for investigation so that is positive.
https://issuetracker.google.com/issues/123179438
Had the same problem and went back to oreo.
Now everything works fine.
Ive repacked the aptx module in magisk, and bluetooth works loads better. i do get the odd jump where the equalizer switches on and off due to system optimizing, apart from that, all good. If anyone want to try heres link to the repack, with thanks to those who made the previous modules. https://1drv.ms/u/s!AqlJY73bUA7rholXS82XCuculBPhag . Use at own risk. Also, im not responsible for the link name lol.
boe323 said:
Ive repacked the aptx module in magisk, and bluetooth works loads better. i do get the odd jump where the equalizer switches on and off due to system optimizing, apart from that, all good. If anyone want to try heres link to the repack, with thanks to those who made the previous modules. https://1drv.ms/u/s!AqlJY73bUA7rholXS82XCuculBPhag . Use at own risk. Also, im not responsible for the link name lol.
Click to expand...
Click to collapse
How do you install und uninstall it? I've got breakups all the time when playing music from my a2 lite to the car stereo via bluetooth. Will using this codec fix the issue?
luno said:
How do you install und uninstall it? I've got breakups all the time when playing music from my a2 lite to the car stereo via bluetooth. Will using this codec fix the issue?
Click to expand...
Click to collapse
You need magisk v18, goto modules and click the plus sign, navigate to where the module is located and click on module, magisk will install it. Im not sure if it will fix issue but i can tell you thats it performs better and less latency than sbc.
Anyone with January update who doesn't have this problem?
grish said:
Anyone with January update who doesn't have this problem?
Click to expand...
Click to collapse
After installing january 5 update, the problem persist at the same way.
I have noticed in some situations that audio stay OK. For example, while at work, in my desktop using BT audio w/my headset, everything is ok. But if someone pass nearby my place, audio start working bad until the person went far enough. I think other devices BT affects audio, or antother type of EM signals, like WiFi, maybe...
I wish i could turn off "always visible" option in my device to test it. But that option is missed in PIE
I have the same problem

S9 is stack with SBC

Before the phone (S9, Pie) used different Bluetooth audio codecs with different devices (AAC for car speakers, AptX for the headphones). But something happened 2 days ago, and now my S9 suggests only basic SBC codec for all Bluetooth devices. Manual change does not help (it always reverts to SBC). As I know there were no any Android updates in the last days. Can any suggest what happened with S9's Bluetooth, any ideas how to fix it?

Bluetooth audio quality question

Hello. I change phones alot and have noticed that some phones(all android) have better bluetooth playback than others.
I had a oneplus 7 pro before this phone and the bluetooth quality to my truck was great and had no issues but with this phone the highs sounds scratchy or like if the speaker is bad. But if i connect it with a wire connection it sounds great. Everything with the 2 phones is the same. On both i was using the galaxy watch and pretty much the same apps. On a previous phone the note 8 i had the same issue but it was a different car. Seems like its the way samsung handles bluetooth.
Has anyone had this issue? If so was there a fix?
Thanks
make sure not on mic
Sent from my SM-N975F using Tapatalk
jemfalor said:
make sure not on mic
Sent from my SM-N975F using Tapatalk
Click to expand...
Click to collapse
What do you mean?
The only two things I think about is the codec used that may be different across devices, and the Bluetooth settings that sync the phones volume with the headset (the differences are noticeable).
Since no DAC is used in Bluetooth, I don't think it can comes from them, for a same headset.
On Samsung phones you should run the adapt sound process. Try this.
I tried with the sync volume off too and no improvement.
I looked for the adapt sound and my phone doesn't have that setting. Or is it something different?
It's in Sounds and Vibration 》 Advanced Sound settings 》Sound Quality and effects 》 Adapt sound
You have to do this in a quiet place and ensure to answer honestly. If you can't hear the beeping press no.
After doing this the sound quality is night and day difference.
Ok found it. Ill play with it a bit. Thanks
I've had issues sometimes with audio being piped through the "Calls" Bluetooth channel versus the "Audio" channel so worth checking as the quality is obviously night and day.
I also like enabling Dolby Atmos on my Note 10+ for music so worth playing with too. Additionally, I recently found Samsung's Sound Assistant app which let's you customize a bunch of sound settings so worth checking out as well:
https://play.google.com/store/apps/details?id=com.samsung.android.soundassistant
sansnil said:
I've had issues sometimes with audio being piped through the "Calls" Bluetooth channel versus the "Audio" channel so worth checking as the quality is obviously night and day.
I also like enabling Dolby Atmos on my Note 10+ for music so worth playing with too. Additionally, I recently found Samsung's Sound Assistant app which let's you customize a bunch of sound settings so worth checking out as well:
https://play.google.com/store/apps/details?id=com.samsung.android.soundassistant
Click to expand...
Click to collapse
Is there an easy way to tell if the audio is going through the call channel?
ErickF said:
Is there an easy way to tell if the audio is going through the call channel?
Click to expand...
Click to collapse
Easiest is probably just uncheck calls in your phones BT settings for your truck (and make sure audio is enabled). If the sound is still not great then this isn't the issue.
Sorry to respond to an old thread, but I was wondering if any of this fixed the OP's problem. I followed all the recommendations here and on other threads but have not been able to solve my recent Bluetooth audio problem. The sound has been terrible lately.
Same issue here on my s10+. When playing any audio in my car via BT i hear the distortion/hissing noise especially when the song has a higher treble frequency.
I have just about tried all fixes i could find on Google, and no luck.
When connecting to my ear buds (Jabra Elite 65t) it disappears and checked in developer mode that it supports to AAC for BT Codecs.
But when connecting to the car it reverts to SBC.
The issue clearly lies on Samsungs side, as my brother has a Huawei p30 Pro, also has bluetooth 5 and plays amazingly well in all aspects (Bass-Mids-Treble).
I know I'm posting this almost a year later, but i am desperately looking for a fix.
SN. I have recently updated my phone to Android 10, despite all the complaints to Samsung from many users... Sadly this issue has not being fixed on my side.
From what i see online, people have given up on Samsung and opted for Rooting their Samsungs and installing Viper4Andriod.
Has any one done this and can confirm that it fixed the issue?

Question USB DAC issues

I'd like to reach out to anyone still having issues with USB DACs on the 6 and 6 Pro
The 6 and 6 Pro still have a bug where they don't properly pass on original audio streams to connected DACs. Depending on the DAC, you'll hear screeching, no audio at all, or severely reduced audio quality due to resampling by the OS. Apps like UAPP and Tidal don't work properly because they can't directly access connected DACs (so true MQA playback is impossible)
If you are affected by this bug, please star and comment on the buganizer tickets here, here and here. It would be worth our while to use the Send Feedback option within settings, and/or contact support to raise a ticket and submit bug reports (I realize this does take some time investment)
Hopefully I'm not the only crazy one using a DAC with a P6 screaming out into the ether. Help
More on what I'm talking about here, here, and here
yeah - something weird is going on. I love this phone so much. my Hidisz Sonata USBC DAC is completely hit or miss, sometimes it works, other times it won't. And the BTR5 can't play LDAC at full Audio quality only Adaptive - but both devices work on the 3 XL no problem, since day one. really weird.
That's weird, do you mean DAC connected via usb? I ask because my BT DAC is working great via LDAC codec.
A.Priori said:
That's weird, do you mean DAC connected via usb? I ask because my BT DAC is working great via LDAC codec.
Click to expand...
Click to collapse
USB DACs like the Sonata from Hidisz, or the BTR3/BTR5/Qudelix etc
I have the same problem, and sometimes it stops the music itself, pretty annoying
Guess I was one of the first guys to report this issue. December update did not fix it. Google removed the headphone jack and forces people to use DACs and Dongles, but they did not do any test to ensure all STANDARD products are working correctly. You can use those DACs with 100$ phones and get better audio than with a pixel 6 or 6 pro. It's a joke and impedance from Google and definitely the last phone I bought.
And just to mention, I have some experience with android audio. I was working with the guys from sauron audio port and did a lot of other stuff. The DAC which seem to work are just playing with native/android software processed sampling rates. This is ****ty low quality. Any app, which tries to connect directly to the external DAC to play high res and bypass Android audio processing crashes. So buy a 10 dollar DAC, as any more expensive better solution won't work or gives you same crappy audio.
Nemuritor01 said:
Guess I was one of the first guys to report this issue. December update did not fix it. Google removed the headphone jack and forces people to use DACs and Dongles, but on they did not do any tests to ensure all STANDARD products are working correctly. You can use those DACa on 100$ phones and get better audio than with a pixel 6 or 6 pro. It's a joke and impedance from Google and definitely the last phone I bought.
And just to mention, I have some experience with android audio. I was working with the guys from sauron audio port and did a lot of other stuff. The DAC which seem to work are just playing with native/android software processed sampling rates. This is ****ty low quality. Any app, which tries to connect directly to the external DAC to play high res and bypass Android audio processing crashes. So buy a 10 dollar DAC, as any more expensive better solution won't work or gives you same crappy audio.
Click to expand...
Click to collapse
I appreciated seeing your thread about this and I've quoted it while contacting support. Best we can do is star and comment on those issuetracker pages linked above, and in settings, Send Feedback and contact support to submit bug reports
It's frustrating because DACs work fine on literally every other Android or iOS device (my Note 3 from 2013 still has no issues with this)
Even more frustrating is that if you try to use a Bluetooth LDAC DAC, you can't force 990 kbps. That's a separate issue
A.Priori said:
That's weird, do you mean DAC connected via usb? I ask because my BT DAC is working great via LDAC codec.
Click to expand...
Click to collapse
Are you able to force it to run at 990 kbps without stuttering? Different common issue it seems, equally frustrating
Google Pixel 6 bug is preventing audiophiles from using external DAC to listen to music
there's a few things wrong here. #1 is regular $15 DACs in many cases don't work (let alone $100-$300 ones). #2 you can't force 990kbps most of the time (in the 3 Bluetooth DACs I've tried and many others also, it constantly studders). so there's a few things wrong here that need to be looked at and resolved by Google.
I haven't experienced any of the "major" issues - mainly connectivity related. But I'm expecting things to go south once I receive my A.Q. Dragonfly Cobalt DAC/AMP. I have some nice Bluetooth phones that sound very nice, buy nowhere near the sound quality I receive through my LG G-7.
The G-7 has a pair of ESS DACs, and a more powerful amp setup. I found Qobuz's MQA files and the Tidal Masters that sound phenomenal. Especially ultra-high quality remasters of late 80's-90's albums.
The V-60 had a similar setup, but I traded that in for the P6 Pro, 256GB model. Qobuz and Tidal let you download MQA files while your subscription is active.
mpjune69 said:
I haven't experienced any of the "major" issues - mainly connectivity related. But I'm expecting things to go south once I receive my A.Q. Dragonfly Cobalt DAC/AMP. I have some nice Bluetooth phones that sound very nice, buy nowhere near the sound quality I receive through my LG G-7.
The G-7 has a pair of ESS DACs, and a more powerful amp setup. I found Qobuz's MQA files and the Tidal Masters that sound phenomenal. Especially ultra-high quality remasters of late 80's-90's albums.
The V-60 had a similar setup, but I traded that in for the P6 Pro, 256GB model. Qobuz and Tidal let you download MQA files while your subscription is active.
Click to expand...
Click to collapse
I was hoping against hope that someone has a P6/Pro with the same DAC to learn of the their experiences so far.
Tried that DAC; all audio gets resampled to 48 kHz I believe (so no direct access/true MQA playback). Patiently waiting to see if the January update fixes this
My Hidizs DAC works fine on the November .036 OS. About to reboot with January and expect it to work so I hope....
Havent tried my older DragonFly. Now just wish USB Audio Player Pro gets updated for the 6....
I reached out to the developers of USB Audio Player Pro as it has been removed from the Play Store for the 6 and 6 Pro. Here is their reply:
"Dear Robert,
True. The Pixel 6 and Pixel 6 Pro have a kernel bug that prevents third party USB audio driver from working, that's why we excluded it from the Play Store. We reported the issue to Google but we do not know when or whether they will fix it. You can track it here:
https://issuetracker.google.com/issues/210687963
We have verified all other apps that utilize their own USB audio driver and they do not work either, or fallback to the low quality Android driver. You can write that all apps that use the USB host API to play audio to a USB DAC do not work on the Pixel 6, including USB Audio Player PRO, Tidal, Neutron, Hiby, etc.
You can install this apk if you really want to run the app:
https://www.audio-evolution.com/priv_downloads/USBAudioPlayerPRO_6032c_pixel6.apk
Then you can turn off 'Use USB DAC' in the app's USB audio tweaks if you want to use the Android USB audio driver."
Kind regards,
Davy
eXtream Software Development
https://www.extreamsd.com
Facebook: https://www.facebook.com/AudioEvolutionMobile
Twitter: https://twitter.com/extreamsd
If anyone finds out that Google has fixed the issue, please let us know. Someone on Reddit said XDA has a workaround? If so, please provide a link to the thread or sub-thread.
rmc6901 said:
I reached out to the developers of USB Audio Player Pro as it has been removed from the Play Store for the 6 and 6 Pro. Here is there reply:
"Dear Robert,
True. The Pixel 6 and Pixel 6 Pro have a kernel bug that prevents third party USB audio driver from working, that's why we excluded it from the Play Store. We reported the issue to Google but we do not know when or whether they will fix it. You can track it here:
https://issuetracker.google.com/issues/210687963
We have verified all other apps that utilize their own USB audio driver and they do not work either, or fallback to the low quality Android driver. You can write that all apps that use the USB host API to play audio to a USB DAC do not work on the Pixel 6, including USB Audio Player PRO, Tidal, Neutron, Hiby, etc.
You can install this apk if you really want to run the app:
https://www.audio-evolution.com/priv_downloads/USBAudioPlayerPRO_6032c_pixel6.apk
Then you can turn off 'Use USB DAC' in the app's USB audio tweaks if you want to use the Android USB audio driver."
Kind regards,
Davy
eXtream Software Development
https://www.extreamsd.com
Facebook: https://www.facebook.com/AudioEvolutionMobile
Twitter: https://twitter.com/extreamsd
If anyone finds out that Google has fixed the issue, please let us know. Someone on Reddit said XDA has a workaround? If so, please provide a link to the thread or sub-thread.
Click to expand...
Click to collapse
Everyone should star (*) that issue.
cmh714 said:
My Hidizs DAC works fine on the November .036 OS. About to reboot with January and expect it to work so I hope....
Havent tried my older DragonFly. Now just wish USB Audio Player Pro gets updated for the 6....
Click to expand...
Click to collapse
You would have a special Pixel 6, if your DAC really works in bit perfect mode... Like tidal MQA, USB Audio Player Pro and others.
I would state, it's impossible. Neither November, December or January Update fixes this issue.
You are playing low quality resampled music. Most DACs are capable of way more.
Nemuritor01 said:
You would have a special Pixel 6, if your DAC really works in bit perfect mode... Like tidal MQA, USB Audio Player Pro and others.
I would state, it's impossible. Neither November, December or January Update fixes this issue.
You are playing low quality resampled music. Most DACs are capable of way more.
Click to expand...
Click to collapse
You Are CORRECT!!! I miswrote previously....I concur, external DAC does NOT work!!
Can confirm that the January update does not fix this issue.
Everyone, please star comment on the issuetracker threads in the OP, and continue to Send Feedback and Contact support from the Settings app
I don't know whether this magisk module would help you or not:
GitHub - Magisk-Modules-Alt-Repo/usb-samplerate-unlocker: USB (HAL) Audio Class drivers on Android have a limiter of sample rates at 96kHz. This magisk module unlocks the limiter.
USB (HAL) Audio Class drivers on Android have a limiter of sample rates at 96kHz. This magisk module unlocks the limiter. - GitHub - Magisk-Modules-Alt-Repo/usb-samplerate-unlocker: USB (HAL) Audi...
github.com

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