General Issues with USB Dongles and external USB DACs

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Nemuritor01

Senior Member
May 22, 2017
276
197
Google Pixel 6 Pro
There is another problem with the Pixel 6 (6 and 6 pro) devices. External USB DACs and dongles do not work properly. USB Host API or the DAC offloading and hand-over are bugged. Apps like Tidal, Neutron, USB audio Player Pro crash or can't play music in high res. The problem has already been reported by some users. There has been no statement from Google yet.
A work around for me to get music playing and stop apps freezing was switching off the toggle for "allow all apps use mic" in system/privacy settings.
But this does not solve the issue, as the apps still can not access the USB Dongles or external DACs directly and by pass android system limitations and software processing.
Google skips the 3.5 port and users are forced to use dongles, etc., which do not even work properly.
 

Myrzul

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Nemuritor01

Senior Member
May 22, 2017
276
197
Google Pixel 6 Pro
They are all aware. I've talked to Davy (USB audio Player Pro). They removed the app for pixel 6 and pixel 6 pro from playstore because of the mentioned issues. The problems have nothing to do with their app. E.g. neutron and tidal are also not working properly or freezing. Google needs to fix their USB DAC hand over.
 
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roirraW "edor" ehT

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They are all aware. I've talked to Davy (USB audio Player Pro). They removed the app for pixel 6 and pixel 6 pro from playstore because of the mentioned issues. The problems have nothing to do with their app. E.g. neutron and tidal are also not working properly or freezing. Google needs to fix their USB DAC hand over.
Wow, that sucks. I hope they fix that pronto! Otherwise, I smell a class-action lawsuit (not from me). :)
 

Nemuritor01

Senior Member
May 22, 2017
276
197
Google Pixel 6 Pro
Which app are you using?
Some apps can play music, but most can not bypass Android Software processing.
If you e.g. use tidal in MQA the app connects directly to the DAC and plays in high res.
Same does USB audio Player Pro. Then you see at the bottom "DAC" + bit...
Actually if I get it to play music at all, it's just direct mode, which means nothing.
Some dongles and DACs seem to be working, but just in low/software-processed quality.
So the problem is playing REAL high res, instead of android software compressed/processed audio.
Therefore the USB API seems to be broken. So as soon as the app tries to get direct access to the DAC it freezes or crashes.
 
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EeZeEpEe

Senior Member
Aug 13, 2010
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Tampa, FL
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Google Pixel 6 Pro
Which app are you using?
Some apps can play music, but most can not bypass Android Software processing.
If you e.g. use tidal in MQA the app connects directly to the DAC and plays in high res.
Same does USB audio Player Pro. Then you see at the bottom "DAC" + bit...
Actually if I get it to play music at all, it's just direct mode, which means nothing.
So the problem is playing REAL high res, instead of android software compressed/processed audio.
Ah gotcha. 👍🏼 I don't have anything playing actual high res audio files.
 

Nemuritor01

Senior Member
May 22, 2017
276
197
Google Pixel 6 Pro
Ah gotcha. 👍🏼 I don't have anything playing actual high res audio files.
Yeah, maybe you can play some processed, low quality music through your high res DAC. So the DAC is pretty useless, you could use a standard dongle with bullshit chip, as it doesn't matter. 😉
I know a little bit what I'm talking about.
I did some audio ports and worked with UltraM8 and the other dudes on the Ainur Audio mods. :)
 
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EeZeEpEe

Senior Member
Aug 13, 2010
4,431
1,273
Tampa, FL
www.twitter.com
Google Pixel 6 Pro
Yeah, maybe you can play some processed, low quality music through your high res DAC. So the DAC is pretty useless, you could use a standard dongle with bullshit chip, as it doesn't matter. 😉
I know a little bit what I'm talking about.
I was the guy doing the DTS port and worked with UltraM8 and the other dudes on the Ainur Audio mods. :)
Yeah I don't even use it wired anyway. 🙂 I just wanted a very good Bluetooth DAC. For me it's the best of both, using my wired headphones yet not tethered to the device it's connected to.
 

Nemuritor01

Senior Member
May 22, 2017
276
197
Google Pixel 6 Pro
No issues playing the Hi-Res/Ultra HD music files on Amazon Music through the official Google dongle. Sounds pretty good, can't really tell the difference between it and the V60 that I've had prior.
As far as I know, Amazon app is still limited to phones native sampling rate and does not bypass Android limitations (android mixer). So it does not make use of the external DAC directly. Different story again. But please correct me, if I'm wrong.
But at least it's one DAC that plays some music.
 

Morgrain

Senior Member
Aug 4, 2015
893
965
I just read through the conversation and it just baffles me. So the "official" Pixel support forum is run by volunteers who basically tell you "if you have a problem, don't bother us, we just give you pre-prepared text-blocks - if they can't help you, we're out" - if you want "real" support, go and use "feedback form" - meaning you write a wall of text to an known person, won't get any sort of answer or input and have to pray that Google will care?

Uff.

I mean, as a Pixel user you can always try the

-> Settings
-> Tips & Support
-> Contact us

form, that way you can at least write to a person/talk to a human, even though they will most likely also just form a "feedback form" after your conversation, since they are powerless Tier I tech people.

I hope that Google can fix those problems here, so you guys can have fun with your device. Google certainly doesn't deserve the "our phone just works" - status, if they forget to add basic compatibility to common third party hardware.
 
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  • 2
    to anyone that has got the may update, has the dac fix from April's beta been implemented in the main release now?
    I'm wondering the same exact thing.
    No unfortunately not.
    1
    to anyone that has got the may update, has the dac fix from April's beta been implemented in the main release now?
    1
    I'm not rooted and have may update neutron player still doesn't do high res audio I think if your on beta it's been fixed but if your running stable then it's the feature drop next month that will have fixed it
  • 6
    Yep. Saw this article on Android Police and made an account here to say that I was having the same issue and found a workaround that fixed the screeching sounds for me.
    Important words above are "for me". Who knows if it'll do anything for you but the steps are simple enough that you should definitely give it a try.

    1-Unplug DAC/phones
    2-Open Android Settings
    3-Choose Sounds and Vibration
    4-Turn off the last four options
    They should be
    -Dial pad tones
    -Screen locking sound
    -Charging sounds and vibration
    -Touch sounds

    And that's it! I would reboot my phone after that and then plug in the phones/DAC just to make sure but shouldn't be necessary.

    Hopefully that did it for you as well and it could give Google a clue where to start to actually fix it.

    EDIT: Just edited wording to clarify that this workaround is specifically to fix the screeching sounds some people are reporting. If you get no audio at all (or if applications crash), this might not help. We just need to wait for Google to implement the fix this summer.
    5
    There is another problem with the Pixel 6 (6 and 6 pro) devices. External USB DACs and dongles do not work properly. USB Host API or the DAC offloading and hand-over are bugged. Apps like Tidal, Neutron, USB audio Player Pro crash or can't play music in high res. The problem has already been reported by some users. There has been no statement from Google yet.
    A work around for me to get music playing and stop apps freezing was switching off the toggle for "allow all apps use mic" in system/privacy settings.
    But this does not solve the issue, as the apps still can not access the USB Dongles or external DACs directly and by pass android system limitations and software processing.
    Google skips the 3.5 port and users are forced to use dongles, etc., which do not even work properly.
    4
    Yep. Saw this article on Android Police and made an account here to say that I was having the same issue and found a workaround that fixed it for me.
    Important words above are "for me". Who knows if it'll do anything for you but the steps are simple enough that you should definitely give it a try.

    1-Unplug DAC/phones
    2-Open Android Settings
    3-Choose Sounds and Vibration
    4-Turn off the last four options
    They should be
    -Dial pad tones
    -Screen locking sound
    -Charging sounds and vibration
    -Touch sounds

    And that's it! I would reboot my phone after that and then plug in the phones/DAC just to make sure but shouldn't be necessary.

    Hopefully that did it for you as well and it could give Google a clue where to start to actually fix it.

    Appreciate the post, but unfortunately it doesn't fix the larger kernel issue. Android still resamples all audio, and the phone freezes up if you grant an app like Tidal direct access to the DAC. However, this does remove the static/screeching noise in some instances as the OS doesn't have to trip over itself to mix audio streams (like system sounds and a music stream)

    The best everyone can do is star and comment on the issuetracker threads (see my post here for links), and submit your own feedback reports and support tickets from settings. Just insist that it's a widespread bug and that you want to submit a bug report
    4
    It's really funny reading the comments on tech news sites. most commenting how usb-dac/LDAC 990 is so rarely used that it doesn't matter that it won't work properly.

    Anyway, I am really disappointed in the Pixels. But we only have 2 other choices - Samsung and Oneplus. I'm not sure what to think anymore. I mean many of us on xda who purchased 6/6 Pro, knew there would be bugs. That's fine. but when a basic feature doesn't work at all? I am lucky because I didn't experience any of the issues that others have had - except this one (and some battery drain on 5G).

    If it gets fixed at the end of summer - it'll be almost a year since the 6 series was released. They need to do better. Much better.