Looking around forums and internets, I've only seen people having problems with the USB-C -> MiniJack dongle or BT -> Car audio on Pro, but I can't find anything related to Lite not pushing audio through USB. What I'm trying to do here is to connect my phone to my car's head unit (this one: https://www.pioneer-car.eu/eur/products/mvh-190ub) via USB to play music, and it doesn't work. Had no issues like this on my previous phone (LG G5). Both run on Android 7.0, FYI.
After granting access to storage EVERY TIME (because an option to "remember this choice for this device" would be too convenient I guess...?) to the HU, they both seem to 'see' each other, the audio is playing but the HU is not receiving any audio. At least that's what I assume is happening, since the HU has a basic spectrum visualiser which doesn't move with my Lite connected to it. I can do the simple things like pause/play, next/previous track by using HU's controls, but the audio is not coming through. I tried Spotify, stock music player and Youtube. Nothing. I did not try things like call audio, since this is not my priority here. I also tried disabling USB audio routing in Dev options. Not entirely sure how was that supposed to help, but it didn't.
And yes I still can use the jack to play music (which I do, since I have no choice right now), but the audio is significantly quieter and just lower quality in general when compared to USB.
Anyone having a similar issue? Any ideas what could be the cause?
On the Mate 10 Pro, I use lots of things in the car but all on Bluetooth. I assume the Mate 10 Lite has the same battery manager as the Mate 10 Pro?
Where you can set individual apps/processes to auto (default) battery management vs. Manual (non default)?
By turning items I was using to Manual that were not working as expected I stopped experiencing problems.
Hope this is helpful.
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Sent from my BLA-A09 using Tapatalk
Where exactly is this menu supposed to be? Can't find it anywhere in Settings > Battery.
Setting - > Configure Apps - > Special Access - > Ignore battery optimisation
Dragomirka said:
Setting - > Configure Apps - > Special Access - > Ignore battery optimisation
Click to expand...
Click to collapse
No dice. That said, why would battery optimisation even matter if HU's actively charging the phone?
Lauri455 said:
No dice. That said, why would battery optimisation even matter if HU's actively charging the phone?
Click to expand...
Click to collapse
On the mate 10 Pro, the phone shuts down apps and processes even if it's charging. Battery management. : )
Sent from my BLA-A09 using Tapatalk
question: if you plug in the usb dongle and cable while the screen is off and wait a few seconds, does the screen turn on?
WaxysDargle said:
question: if you plug in the usb dongle and cable while the screen is off and wait a few seconds, does the screen turn on?
Click to expand...
Click to collapse
I use Bluetooth only. I don't use the USB option in my car. Sorry.
Sent from my BLA-A09 using Tapatalk
KevinAce said:
I use Bluetooth only. I don't use the USB option in my car. Sorry.
Sent from my BLA-A09 using Tapatalk
Click to expand...
Click to collapse
LOL i was talking to OP
WaxysDargle said:
question: if you plug in the usb dongle and cable while the screen is off and wait a few seconds, does the screen turn on?
Click to expand...
Click to collapse
It does and it asks if to grant accessory permissions to read data. Right after that, a popup shows saying that the phone's missing HU manufactuter's companion app (which I tried, it's terrible and doesn't help with my issue) is not installed. Did some more digging and it turns out my phone correctly switches to "audio source" USB mode. What's kinda funny is that after I connect the phone to the HU, a notification from OS shows up in the notification bar "Connected to a USB accessory. Touch for other USB options". When I try tapping on it, nothing happens. I assume some other menu should show up...?
Lauri455 said:
It does and it asks if to grant accessory permissions to read data. Right after that, a popup shows saying that the phone's missing HU manufactuter's companion app (which I tried, it's terrible and doesn't help with my issue) is not installed. Did some more digging and it turns out my phone correctly switches to "audio source" USB mode. What's kinda funny is that after I connect the phone to the HU, a notification from OS shows up in the notification bar "Connected to a USB accessory. Touch for other USB options". When I try tapping on it, nothing happens. I assume some other menu should show up...?
Click to expand...
Click to collapse
Sounds like a compatibility issue. Quickest fix would be to use USB to aux adapter into stereo. Is that an option?
There might be a fix out there for this issue, but with Chinese phones your best bet is likely to find a workaround.
Also, have you tried other USB cables? Oem cable?
WaxysDargle said:
Sounds like a compatibility issue. Quickest fix would be to use USB to aux adapter into stereo. Is that an option?
There might be a fix out there for this issue, but with Chinese phones your best bet is likely to find a workaround.
Also, have you tried other USB cables? Oem cable?
Click to expand...
Click to collapse
USB -> Aux adapter is technically an option, but that would be a big nuisance since I use a magnetic USB cable, and I'd had to remove the mag connector from the phone and plug in the adapter every time I get into the car. And I kinda bought the magnetic cable for the purpose of NOT plugging and unplugging cables to/from the phone all the time.
Tried 3 cables so far. OEM, 3rd party normal and 3rd party magnetic. Right now I'm onto updating my HU's firmware, since an update is available, worth a try.
Lauri455 said:
USB -> Aux adapter is technically an option, but that would be a big nuisance since I use a magnetic USB cable, and I'd had to remove the mag connector from the phone and plug in the adapter every time I get into the car. And I kinda bought the magnetic cable for the purpose of NOT plugging and unplugging cables to/from the phone all the time.
Tried 3 cables so far. OEM, 3rd party normal and 3rd party magnetic. Right now I'm onto updating my HU's firmware, since an update is available, worth a try.
Click to expand...
Click to collapse
good idea! let me know how that works out for you.
Welp. Updating the firmware did jack #$%!.
Related
hi all
i have a bt headset (HP)
after i paired it with my hermes, the only way to connect to them is going to comm manager-bluetooth settings-devices, click the bt-headset icon and choose "set as wireless stereo". is there a simpler way to do this? (much like the regular headset ised for phone calls, which connects automatically after the first pair)
thanks
simonk12 said:
hi all
i have a bt headset (HP)
after i paired it with my hermes, the only way to connect to them is going to comm manager-bluetooth settings-devices, click the bt-headset icon and choose "set as wireless stereo". is there a simpler way to do this? (much like the regular headset ised for phone calls, which connects automatically after the first pair)
thanks
Click to expand...
Click to collapse
after you set up a "pairing" ... when your pda's bluetooth is on, turn on your headset ... and then press the "answer" button, just once and it will sync in a few seconds.
This is how it works on my Motorola stereo headset.
works, thanks!
Gear4 BluePhones
I have the same problem as the topic starter, but I have a different headphone I have the Gear4 BluPhones.
I've tried the same, pressing the answer button after I turn the headphones on but that does not do the trick.
I run Black 4.0 WM6 on my Hermes..
Htc Bh S100
I have the same problem with my HTC BT Headset.
The Wireless Stereo connects automatically, but the Hands Free has to be refreshed each time a new connection is made .
My Nokia HS-12W connects flawlessly.
Therefore it just depends on the hardware design IMHO.
margatenj said:
after you set up a "pairing" ... when your pda's bluetooth is on, turn on your headset ... and then press the "answer" button, just once and it will sync in a few seconds.
This is how it works on my Motorola stereo headset.
Click to expand...
Click to collapse
oh sweet thats heaps easier, i was doing the same basilrsa :S
thanks
margatenj said:
after you set up a "pairing" ... when your pda's bluetooth is on, turn on your headset ... and then press the "answer" button, just once and it will sync in a few seconds.
This is how it works on my Motorola stereo headset.
Click to expand...
Click to collapse
simonk12 said:
hi all
i have a bt headset (HP)
after i paired it with my hermes, the only way to connect to them is going to comm manager-bluetooth settings-devices, click the bt-headset icon and choose "set as wireless stereo". is there a simpler way to do this? (much like the regular headset ised for phone calls, which connects automatically after the first pair)
thanks.
Click to expand...
Click to collapse
I had the same problem as simonk12. After reading the post from margatenj I thought if hitting answer would trigger a device to setup hands-free, perhaps using one of the music controls would trigger wireless stereo. On my Sony DR-BT30Q headset, if I turn on the headset, it connects straight away as hands-free, if I then hit play on the headset control, it connects as wireless stereo and the icon appears.
Running FuN_KeY_s_ROM_WWE_1.2.0 if that helps.
Jez.
SWEET!!!
I've confirmed this also works with my Sony MEX-BT2500 Bluetooth Car Stereo. I was seeing the same thing happen. My Handsfree was connecting as soon as I started the car, but the A2DP I had to go to the bluetooth settings and re-set the stereo as my Wireless Stereo.
tabashir was right in my case, I had to press the Play/Pause button to invoke the A2DP to reconnect.
Thanks a bunch for this answer, I've been driving myself crazy about this!
I have the Pioneer DEH-P9800BT Bluetooth Head Unit in my car, which supports stereo BT music streaming from any A2DP device.
I also have the HTC TyTN II Mobile which supports the same.
I have paired the two devices, and on the initial pairing successfully played music from the HTC through the Pioneer. When that worked, the BT Audio icon appears in the title bar of the mobile (headphones with a musical note in the middle).
However, after switching off the car and later returning, I have issues:
It is impossible to reconnect the BT stereo music playback, unless I delete the Pioneer device from the list of BT devices within the mobile phone, then pair them again. Nothing else seems to work. Simply, I just want all music to be routed through the Pioneer whenever it is in range of the mobile.
Are you able to solve either problem?
Same problem
My Dopod 838Pro and my Nokia a2dp headset work fine when they are initially paired, but the only way to make them work together after disconnecting either unit, is to delete the pairing and set up the pairing all over again as above.
A further issue for me is that my headphones work fine for outgoing calls, but incoming calls are routed to my handset speaker.
I have had the Nokia BT a2dp headset now for three days and am at a loss after much experimenting with all of the suggessions earlier in this thread.
I am a new memebr and would be so greateful for any advice. Apologies if this is a problem covered elsewhere.
I am about to make you very happy...
The default solution is to go into your Bluetooth settings page on the music device where you see the Pioneer BT Unit, and (on Windows Mobile 6) hold the stylus down ('right-click') then 'Set as Wireless Stereo', when you get in the car. It should now connect back to the stereo. That is a pain though an many screen-taps.
The other solution I found is to download freeware program A2DPToggle, which provides a one-click function for this on the WM6 home screen
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CJSnet said:
I am about to make you very happy...
The default solution is to go into your Bluetooth settings page on the music device where you see the Pioneer BT Unit, and (on Windows Mobile 6) hold the stylus down ('right-click') then 'Set as Wireless Stereo', when you get in the car. It should now connect back to the stereo. That is a pain though an many screen-taps.
The other solution I found is to download freeware program A2DPToggle, which provides a one-click function for this on the WM6 home screen
Click to expand...
Click to collapse
Thanks so much!!!
You have made me very happy.
I do not mind all the screen taps, I am just so relieved that my headset finally works, both with music and sending calls.
One further question: My BT headset is now fine for music and ordinary calls but it still will not do activate when I am talking on my SIP application (Fring). Has anyone sorted this one out yet? Thanks again.
Best regards!!
CJSnet said:
I am about to make you very happy...
The default solution is to go into your Bluetooth settings page on the music device where you see the Pioneer BT Unit, and (on Windows Mobile 6) hold the stylus down ('right-click') then 'Set as Wireless Stereo', when you get in the car. It should now connect back to the stereo. That is a pain though an many screen-taps.
The other solution I found is to download freeware program A2DPToggle, which provides a one-click function for this on the WM6 home screen
Click to expand...
Click to collapse
Thanks for finding that! Just installed a brand new Kenwood KDC-BT838U and had this problem. A2DP Toggle was great but there was one feature I wanted that it didnt have. With command line options you could turn a2dp on or off, but there was no toggle option. So I wrote another one, A2DPSwitch. Description here:
http://www.teksoftco.com/forum/viewtopic.php?t=1626&postdays=0&postorder=asc&start=60
JKingDev said:
Thanks for finding that! Just installed a brand new Kenwood KDC-BT838U and had this problem. A2DP Toggle was great but there was one feature I wanted that it didnt have. With command line options you could turn a2dp on or off, but there was no toggle option. So I wrote another one, A2DPSwitch. Description here:
http://www.teksoftco.com/forum/viewtopic.php?t=1626&postdays=0&postorder=asc&start=60
Click to expand...
Click to collapse
Thanks, your program works, very useful.
BT to laptop
Hello,
i have an issue with the BT connection to laptop using active sync.
when i establish a connection to the laptop first time, all is ok,
but... the HTC HD2 BT not connect automatically to the laptop when i go and back close....then i need to establish connection again. how can i tell the BT to connect automatically to the laptop every time?
thanks.
I have just found out this small app and it seems great for me. Maybe it is too late to ask this favour, could you please do another executable that toggles bluetooth on and a2dp on, and in second press toggles both off?.
Your current executable works great for me, but I have to turn BT on previosly, it would be great if the executable could do both things.
Best regards and thank you very much for this great idea.
JKingDev said:
Thanks for finding that! Just installed a brand new Kenwood KDC-BT838U and had this problem. A2DP Toggle was great but there was one feature I wanted that it didnt have. With command line options you could turn a2dp on or off, but there was no toggle option. So I wrote another one, A2DPSwitch. Description here:
http://www.teksoftco.com/forum/viewtopic.php?t=1626&postdays=0&postorder=asc&start=60
Click to expand...
Click to collapse
auto connect
thanks!
Hello all. I have recently bought an HD2, and I have tried this BT trick I prepare for the diamond, but doesn´t work in HD2, Anyone Knows something similar for the HD2, to enable A2DP automatically without having to enter BT config screen?
I have tried enabling BT first in the HD2, then turning on the headset, and pressing play, but it connects with hansd free profile, snif....
Best regards and thank you in advance.
Also on my Desire with Philips SHB6102.
Headset is paired correctly.
This Headset used phone and media profile but i use only media.
When i switch off phone profile in the options of the headset it doesn't auto-connect with media profile only!
Any tip?
Hi guys, is there anywhere a small fm transmitter with mini usb so can be attached and powered directly from TC.Some range of Sony Ericson phones are offering some for their devices.
It would be very nice if we have something like that.
No luck searching the net
4o4i said:
Hi guys, is there anywhere a small fm transmitter with mini usb so can be attached and powered directly from TC.Some range of Sony Ericson phones are offering some for their devices.
It would be very nice if we have something like that.
No luck searching the net
Click to expand...
Click to collapse
To be honest, I don't think there is such a thing as a decent FM transmitter. Why would you want to limit your entire music library to FM quality at best? There are so many better options out there from Stereo Bluetooth A2DP to direct line in options. But if you must go for imo poor sounding FM, maybe the Motorola T505 (it uses an A2dp connection to the phone and an fm connection to the radio and has a built in rechargeable battery).
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Here are some others. Parrot and Venturi offer similar solutions. Ego has some high end (non-FM) models.
http://www.a2dp.info/A2DP-Devices/A2DP-Car-Accessories.html
Well, I don't know but I am not realy aiming to get the perfect sound out from my car stereo.I ve got a cheap transmitter which works just fine, but you still have to connect cables and chargers and it is mess in the car.
Of course there are so many better ways to connect via bluetooth,or change your car stereo with a b/t compatable and so on, but I don't want to spend £100-£200 just to listen music in my car.
Regards
Not sure if it's available in the UK yet, but I'm very pleased with my Venturi, http://www.myventuri.com/
Looks cool, A2DP-in, line-in, line-out, FM-out, charges HTC via mini-USB, shows song titles via RDS (depends on media player support) and has a surprisingly good sound quality through FM. Maybe a bit too much bass boost but I like it. The only disadvantages for me are (a) that it powers off instantly when the cig-lighter power drops (and doesn't reconnect automatically but there are WM tools to help with that) and (b) it fakes the Travel Pilot signal so the radio won't change to the 'real' FM TP when broadcasted.
It's maybe not the cheapest option (~100€) but it's something I can definetely recommend.
Yes I ve seen those kits as well, and they are available in UK.I was just thinkig-first you connect via bluetooth and then the device sends it through FM so whats the point?
So having just FM transmitter like this one will be ideal...
http://www.ubergizmo.com/photos/mds-70.jpg
Maybe soon in China they will make one
Regards
doctah said:
Not sure if it's available in the UK yet, but I'm very pleased with my Venturi, http://www.myventuri.com/
Looks cool, A2DP-in, line-in, line-out, FM-out, charges HTC via mini-USB, shows song titles via RDS (depends on media player support) and has a surprisingly good sound quality through FM. Maybe a bit too much bass boost but I like it. The only disadvantages for me are (a) that it powers off instantly when the cig-lighter power drops (and doesn't reconnect automatically but there are WM tools to help with that) and (b) it fakes the Travel Pilot signal so the radio won't change to the 'real' FM TP when broadcasted.
Click to expand...
Click to collapse
I would like to buy ventury mini, but i have a question about handsfree function: I have a touch cruise (it is not in list at ventury webpages, but i hope it is supported too) and in every HTC phones it has not Phonebook use. So my question is, if I would like make a call, so I stop the music on the phone and press the call button on ventury and ON MY PHONE select contact and call. An incoming call just pick up by ventury mini green phone icon. Is that true? Or it is not possible to use it like handsfree with touch cruise because is not supported Phonebook use.
What is correct. Thank you
Not sure if I understand you 100%. But the Venturi works fine with the Touch Cruise (I have one too).
It does not support the phonebook, but that is no problem - you just make the calls with the phone, not the Venturi. Just use the phone as you normally do (start call / accept call / hang up etc) and the Venturi will act as your "remote microphone" and connection to the car speakers (via radio) if you know what I mean. There is no need to touch any key on the Venturi if you don't want to.
How about this one?
Any opinions?
http://cgi.ebay.co.uk/New-FM-Transm...oryZ3728QQssPageNameZWDVWQQrdZ1QQcmdZViewItem
Dear all I confirm: Venturi mini and Touch Cruise works just fine. In Italy it is quite difficult to find free FM frequencies, but once you find one the quality is good indeed. And also the microphone works good.
Ciao
Does anyone know how audio is handled if the Note is connected to an external display via an MHL adapter? Will it route audio over HDMI, or do I have to option of having the audio play through the internal speaker or the 3.5mm audio jack? I want to connect the Note to my monitor, but I need to route audio separately. The easiest way would be out the headphone jack.
The MHL adapter I will be ordering is this one:
http://www.monoprice.com/products/product.asp?p_id=8805
Not sure if you can reroute it. Sounds comes through HDMI for me.
hoang83 said:
Not sure if you can reroute it. Sounds comes through HDMI for me.
Click to expand...
Click to collapse
Thanks... this could be a problem then. I'll have to see if there is an app that can force which output to use for all system audio (internal speaker, headset, Bluetooth, HDMI, etc.).
taob said:
Thanks... this could be a problem then. I'll have to see if there is an app that can force which output to use for all system audio (internal speaker, headset, Bluetooth, HDMI, etc.).
Click to expand...
Click to collapse
I know this is a little pricy but here's a possible solution:
http://www.monoprice.com/products/p...d=1011002&p_id=7112&seq=1&format=1#largeimage
Not sure if it'll work with an MHL adapter, but it could be worth checking out.
Both headphone jack and bluetooth audio will overide the MHL adapter audio automatically. No need to do anything but connect. No way that I know to use internal speaker though.
Agoattamer said:
Both headphone jack and bluetooth audio will overide the MHL adapter audio automatically. No need to do anything but connect. No way that I know to use internal speaker though.
Click to expand...
Click to collapse
This does not seem to be the case, at least with CM9-RC2. While the kernel is aware that a headset has been plugged in, only phone audio is affected. If I call my voicemail, I get the usual choice between headset or internal speaker. Phone audio does not route over HDMI. However, game and video playback audio always seems to go over HDMI. Clearly, the kernel is able to route audio where it wants (i.e., it isn't a hardware override).
Code:
08-07 21:51:12.685 I/HeadsetService(23637): Headset=true; Bluetooth=false
08-07 21:51:12.685 I/HeadsetService(23637): Selected configuration: headset
08-07 21:51:12.715 D/AudioPolicyManager( 182): setStreamVolume() for output 1 stream 0, volume 0.031623, delay 0
08-07 21:51:12.715 E/AudioHardwareMSM8660( 182): unknown stream
08-07 21:51:12.715 D/AudioPolicyManager( 182): setStreamVolume() for output 1 stream 8, volume 0.031623, delay 0
08-07 21:51:12.725 D/AudioPolicyManager( 182): setStreamVolume() for output 1 stream 1, volume 0.231074, delay 0
08-07 21:51:12.735 D/AudioPolicyManager( 182): setStreamVolume() for output 1 stream 7, volume 0.226465, delay 0
08-07 21:51:12.905 D/AudioPolicyManager( 182): setStreamVolume() for output 1 stream 9, volume 0.177318, delay 0
08-07 21:51:12.905 D/AudioPolicyManager( 182): setStreamVolume() for output 1 stream 4, volume 0.226465, delay 0
Well it is the case using a stock ICS kernel.
I'll try temporarily flashing the stock ICS ROM then, and see if starts working.
Hey, I am trying to do the same thing (well I want music to play via bluetooth while MHL is outputting visual). Any progress or info?
lilfellabob said:
Hey, I am trying to do the same thing (well I want music to play via bluetooth while MHL is outputting visual). Any progress or info?
Click to expand...
Click to collapse
I never got around to trying the Samsung ICS image. What I did in my case was connect my speakers to my monitor (which has HDMI in and 3.5mm audio jack out).
Hmm ok, thanks. I can just use audio from the hdmi but I'd prefer bluetooth if possible (just works nicer with my car's headunit)
As I understand it, this is simply a feature (or limitation) of the way the OS handles audio routing. There's no reason why it cannot simultaneously send audio to any or all outputs. It's all digital and done in software, not like there is a physical connection that has to be switched over from internal speaker to HDMI. So it is just a matter of getting support for that in your ROM. Or grab the source code and do it yourself.
Yeah that makes sense - only I do not have the skills to do it myself and not sure how I'd search for a ROM that does that (I doubt many will advertise something like that)
I found this app "SoundAbout" or "SoudAbout Pro" (if you want full functionality) witch let you change the output : MHL(Digital) or Speaker
it works perfectly for me, sound on the smartphone and video on the monitor (tested on galaxy s3)
Coincoin0017 said:
I found this app "SoundAbout Pro" witch let you change the output : MHL(Digital) or Speaker This app is not free, unfortunately
it works perfectly for me, sound on the smartphone and video on the monitor (tested on galaxy s3)
Click to expand...
Click to collapse
Thanks, I'll check out the free version first to see if it will do what I would like it to do!
Coincoin0017 said:
I found this app "SoundAbout Pro" witch let you change the output : MHL(Digital) or Speaker This app is not free, unfortunately
it works perfectly for me, sound on the smartphone and video on the monitor (tested on galaxy s3)
Click to expand...
Click to collapse
Yeah sounds good, I'll check it out, thanks!
Sorry i made a mistake (i have edited my previous post), the free version works
just run the app after connecting the mhl adapter and set the sound over speaker
but the free version does not contains the digital output in the options if you want to reset the sound over the HDMI
there is only the paid version which can make it
but you can always disconnect and reconnect the câble and the sound is reset automatically over the HDMI
Free / Paid
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(sorry for my english)
Coincoin0017 said:
I found this app "SoundAbout" or "SoudAbout Pro" (if you want full functionality) witch let you change the output : MHL(Digital) or Speaker
it works perfectly for me, sound on the smartphone and video on the monitor (tested on galaxy s3)
Click to expand...
Click to collapse
Thanks!!!
Works fine on my Galaxy Note 3 - I now get HDMI audio out with A generic MHL HDMI adapter I just receivedthat I hooked up to my Note 3 (although I also did need to hook up power via micro USB wall adapter charger to the MHL device).
The only issue is that the white plastic 'collar' around the plug does not allow the MHL micro USB plug to fit in my Note 3 USB port WHEN I have a case (Trident Cyclops) around the phone.
I am going to order micro USB to micro USB extension to address this.
In the meantime I was able to test the MHL cable with my Note 3 by temporarily removing (snapping off) the white plastic collar...
Agoattamer said:
Both headphone jack and bluetooth audio will overide the MHL adapter audio automatically. No need to do anything but connect. No way that I know to use internal speaker though.
Click to expand...
Click to collapse
Can I take the audio from my note 2 to my AV receiver using the headphone jack?
MSK1 said:
Can I take the audio from my note 2 to my AV receiver using the headphone jack?
Click to expand...
Click to collapse
I wouldn't. The headphone is a slightly amplified connection as the AV receiver using RCA jacks is expecting a non amplified signal.
Purpose: To reduce the distortion and better control the audio DAC of the Pixel 2 XL.
Edit 11/25/18
Please see this post for the version supporting the Apple Dac. In addition the new version incorporates a mod for 50 steps of volume rocker control. I redid the volume limits in the app to 50, so you will have issues using the new app with 25 steps only.
Introduction: The new Pixel 2 differs from the original Pixel in a major way. The lack of a headset jack offloads the headset out capability to a USB Dac in the supplied dongle (or any USB Dac you are using). Although at first glace this is a disappointment to most, on further thought it has some advantages. No longer will you need to upgrade a phone because the audio is better on a newer model, just upgrade the dongle instead. Or, have a range of dongles to suit your purpose (power, low distortion, impedance, form factor, etc). But, unfortunately, the folks who designed the software, did not (IMO), properly adjust the digital gain of the dongle Dac or aftermarket devices like the Dragonfly red. So the Dragonfly can put out 2.1 V, but the stock Pixel 2 will only max out at 55 mV. Worse, the supplied dongle (which has very nice electrical/audio specs), is set to have maximal Dac digital gain, resulting in higher distortion. Now you may say, what about the good Gsmarena tests. They test all devices at max output, so the distortion bands will not appear so significant. But, you listen at perhaps one hundredth of that voltage, making the comparison invalid. By cutting the digital gain of the dongle, we can approach Dragonfly red specs in regards to distortion. The dongle has very low impedance, excellent crosstalk and power is there, if needed.
The goal of this project is to enable Dac digital gain adjustment, report the gain numbers and if so desired, track listening Spl to help protect your hearing. It is not an equalizer, effects module and the goal is audio quality/accuracy.
It does need root.
Requirements: Root with Magisk, Tested on stock 8.0. At this time the only dongles working are the supplied Google unit, and the Dragonfly red. More to follow. Each needs to be set in the software backend. App will work with Spotify, Google music, Neutron player, maybe others.
Download the tinymix file, unpack tinymix and place it in your sdcard/Download. If using the the tinymix32 file make sure you rename it to just tinymix, no extension.
Note, the version of tinymix for the U11 must be the 32 bit one.
Unzip the tinymix32, rename it to tinymix and place in the Download folder, then reboot the phone.
The version for the Pixel 2 XL is the 64 bit version posted as just "tinymix.rar"
Download and install the apk.
Open the apk, it will ask for root permission, say yes.
Reboot your phone.
The app will automatically copy tinymix to sbin.
Insert the dongle with headphones attached-- the phone does not register the dongle properly unless the headset is plugged into it. The Dragonfly does not have this issue.
The app will automatically open and the following screen appears:
{
"lightbox_close": "Close",
"lightbox_next": "Next",
"lightbox_previous": "Previous",
"lightbox_error": "The requested content cannot be loaded. Please try again later.",
"lightbox_start_slideshow": "Start slideshow",
"lightbox_stop_slideshow": "Stop slideshow",
"lightbox_full_screen": "Full screen",
"lightbox_thumbnails": "Thumbnails",
"lightbox_download": "Download",
"lightbox_share": "Share",
"lightbox_zoom": "Zoom",
"lightbox_new_window": "New window",
"lightbox_toggle_sidebar": "Toggle sidebar"
}
For now do nothing, it will go away in 10 secs.
Start playing music and the following notifications should appear:
Lets look at USB Gain first. Pull down the notification and the Dac Up, Dac Down, Sliders appear. The Up/Down will increment the digital gain by about 1 dB per click. The sliders will bring up the following:
The left controls the android volume, the right side control the Dac. You generally want the android vol near max and the Dac gain low. Since you can still adjust the android volume with the standard volume rocker (2.4dB per click), I would find a comfortable net volume out with the android Vol about 22 with a Dac gain to fill up the difference. The initial settings are some safe defaults I put in and we can change that as noted below. The gain numbers on the slider go from 1 to 64(Dragonfly defaults- 1 dB per tick), but the Google dongle has a range of 1 to 175 (don't ask me why). I have converted this so the spinner reads 1 to 64, but below it is the actual file output.
The 3 dot menu on the top right will bring you back here:
The headphones screen transfers to form entry to set up various headphones you may own. If you know the specs, the app will calculate the Spl (but there is an issue with the Google dongle calculation, it's off by a few dB, Dragonfly is spot on). More importantly the initial Dac gain (in percent) and android volume can be entered, so when you replug, the app will start with those settings. It remembers the last applied headset setting on reboot. So if you liked a dongle gain of 32 of 64 (same as 87 of 175), that's 50 percent. Sorry about the lack of uniformity, but the dongles all have different gain numbers.
The list of headphone entries lies below. A single click chooses the parameters for the listening session(start vol, gain, etc) and will remain for the next Usb insertion as well. To delete an entry, long press on it.
The headphone sensitivity numbers published are either dB/V or dB/mw. The program uses dB/V, but will autoconvert if dB/mw is entered. Be extra careful which headphone sensitivity units are used--either dB/V or dB/mw. Enter either one but not both. The website of the manufacturer should have the specs. Note: Shure is in dB/mw and Sennheiser is dB/V.
The visualizer button will engage the java android visualizer that actually calculates RMS and Peak signal, making the Spl more accurate. Some details from my old app.
Lastly, the Spl Graph option will allow you to view the current session of dongle use or previous, it use the Google Chart api.
To be extra cautious initially-Make sure you do not put the headset on and play - keep it off the ear then insert--a high sound volume can damage your hearing.
Many thanks to @chdloc for continued help in android audio, acoustics and of course friendship.
A few comments on excessive Dac digital gain.
The Dragonfly red is felt to be one of the top Usb Dacs in that price range. But how would it look if the digital gain was set at max (like Google does with it's dongle).
Here it is, android volume down, digital gain at max:
Not much different from the Google Usb dongle.
But, digital gain turned down, android vol high - much better:
I did measure the output voltage of the Dragonfly at max gain/max android vol, it is 2.1 volts - as advertised.
Reserved.
I do have a schiit dac that I can confirm is working as well. Thanks for your work on this!
I don't think I am ready to root the device yet (Android Pay one of the major reasons). Is there any way that this can be installed/enabled via ADB? I do have Dragonfly Black and love the sound coming out of it, but would prefer if I can get semi-decent sound out of the supplied dongle, mainly due to its size and convenience.
jasenko said:
I don't think I am ready to root the device yet (Android Pay one of the major reasons). Is there any way that this can be installed/enabled via ADB? I do have Dragonfly Black and love the sound coming out of it, but would prefer if I can get semi-decent sound out of the supplied dongle, mainly due to its size and convenience.
Click to expand...
Click to collapse
Believe me, I explored non root options and couldn't find one that can work.
The supplied Google dongle approaches the Dragonfly in quality with the proper settings.
Hey @bjrmd
Thanks for the detailed research
I just tried this, but however , couldn't notice difference in sound while changing the DAC slider. Noticed that the sound volume levels change as expected while moving the left slider . How would be the expected behaviour ?
Thanks again for your work !
Best regards
Ash
Ashray_Vk said:
Hey @bjrmd
Thanks for the detailed research
I just tried this, but however , couldn't notice difference in sound while changing the DAC slider. Noticed that the sound volume levels change as expected while moving the left slider . How would be the expected behaviour ?
Thanks again for your work !
Best regards
Ash
Click to expand...
Click to collapse
That means that something went wrong with the tinymix calls to the Dac. Did you place tinymix (extracted) in Download folder?
If so check sbin folder with a root capable file explorer and make sure tinymix is there.
The app should have asked for root on first opening as well.
On reboot, tinymix gets copied from the Download folder to sbin and run permissions granted.
bjrmd said:
That means that something went wrong with the tinymix calls to the Dac. Did you place tinymix (extracted) in Download folder?
If so check sbin folder with a root capable file explorer and make sure tinymix is there.
The app should have asked for root on first opening as well.
On reboot, tinymix gets copied from the Download folder to sbin and run permissions granted.
Click to expand...
Click to collapse
You are spot on.
I had extracted the contents to scard/ and not in downloads ( in the XDA mobile version, the download word is in the next line in my device and hence, missed that. Only saw sdcard/ . My bad )
It works now, thank you much!
Ash
Ashray_Vk said:
You are spot on.
I had extracted the contents to scard/ and not in downloads ( in the XDA mobile version, the download word is in the next line in my device and hence, missed that. Only saw sdcard/ . My bad )
It works now, thank you much!
Ash
Click to expand...
Click to collapse
Can you notice the difference in sound (not just the volume)?
@bjrmd
Great work, thanks bro.:good:
@bjrmd
Hey
Really cool thing you granted us access to.
I also do use a dragonfly red. However your app doesn’t seem to like it at all.
When I plug it in the toast message says. Error invalid mixer control.
I’m not able to adjust the dac gain.
Your app should be installed correctly as the Google dongle is working fine.
Can I get you some logs are anything so we can make it work?
With kind regards
That is strange, I have the same model Dragonfly and it works fine.
With the Dragonfly inserted could you please run, cat /proc/asound/card1/stream0 in a terminal (Termux) and post the output.
It's possible that your Dragonfly revision has a slightly different name of device.
Thanks
bjrmd said:
That is strange, I have the same model Dragonfly and it works fine.
With the Dragonfly inserted could you please run, cat /proc/asound/card1/stream0 in a terminal (Termux) and post the output.
It's possible that your Dragonfly revision has a slightly different name of device.
Thanks
Click to expand...
Click to collapse
Here you go. I think I updated the dragonfly at one point via PC if I remember correctly.
Freak07 said:
Here you go. I think I updated the dragonfly at one point via PC if I remember correctly.
Click to expand...
Click to collapse
Thanks (it is a bit different, not sure yet if it matters)
Now please try in the same terminal window with Dragonfly attached:
Tinymix -D 1
and note the output.
bjrmd said:
Thanks (it is a bit different, not sure yet if it matters)
Now please try in the same terminal window with Dragonfly attached:
Tinymix -D 1
and note the output.
Click to expand...
Click to collapse
Figured I needed to do lowercase.
Freak07 said:
Figured I needed to do lowercase.
Click to expand...
Click to collapse
Thanks, it should have been working.
When you plug in the Dragonfly, do you see the following toast messages:
"Reading Device"
then
"Dragonfly"
and get the Menu screen that stays for 10 sec
Also can you try in the terminal window:
tinymix -D 1 "PCM Playback Volume" 32
if it does not error, while playing music and your android volume low, run the same command but vary the number (ie 32) from 1 to 64, the volume should change--be careful--64 is full 2.1 volts at max android volume
bjrmd said:
Thanks, it should have been working.
When you plug in the Dragonfly, do you see the following toast messages:
"Reading Device"
then
"Dragonfly"
and get the Menu screen that stays for 10 sec
Also can you try in the terminal window:
tinymix -D 1 "PCM Playback Volume" 32
if it does not error, while playing music and your android volume low, run the same command but vary the number (ie 32) from 1 to 64, the volume should change--be careful--64 is full 2.1 volts at max android volume
Click to expand...
Click to collapse
No. In fact it showed reading device. Afterwards it showed the invalid mixer file toast and then google dongle detetected.
So I just deleted the tinymix file from sbin. Deleted the app and set it up new again without ever plugin the Google dongle in. Now it shows this in the notification area.
It says reading device and closing in ten seconds. But the toast never says dragonfly detected.
The other two commands I did again.
But setting the gain manually works! Via the last two commands.
Freak07 said:
No. In fact it showed reading device. Afterwards it showed the invalid mixer file toast and then google dongle detetected.
So I just deleted the tinymix file from sbin. Deleted the app and set it up new again without ever plugin the Google dongle in. Now it shows this in the notification area.
It says reading device and closing in ten seconds. But the toast never says dragonfly detected.
The other two commands I did again.
But setting the gain manually works! Via the last two commands.
Click to expand...
Click to collapse
I am not 100% sure why it didn't work but I made a change in the syntax for recognition and try the version below if you can.
It also has a few bug fixes and if it does work for you and you are interested, the Spl is now quite accurate for both devices.
bjrmd said:
I am not 100% sure why it didn't work but I made a change in the syntax for recognition and try the version below if you can.
It also has a few bug fixes and if it does work for you and you are interested, the Spl is now quite accurate for both devices.
Click to expand...
Click to collapse
Hello, thanks for the test however it still isn't working.
I deleted tinymix binary and the app again before updating.
When I plug in the dragonfly the window pops up. It says reading device but it never says dragonfly.
what may give a clue. When I never put in the google dongle before using the dragonfly I cannot bring up the slider/gain screen.
I attached a screenshot with the logcat lines hitting the slider button in statusbar 2 times. I also ran the commands you gave me again.
Hi guys, does anyone know a working USB-C to HDMI adapter to work with Dex on a external monitor? Thanks!
batmar333 said:
Hi guys, does anyone know a working USB-C to HDMI adapter to work with Dex on a external monitor? Thanks!
Click to expand...
Click to collapse
This is the model I use:
https://smile.amazon.com/CHOETECH-Compatible-MacBook-Surface-Thunderbolt/dp/B01LYS3Q5A/
BarajaVLC said:
This is the model I use:
https://smile.amazon.com/CHOETECH-Compatible-MacBook-Surface-Thunderbolt/dp/B01LYS3Q5A/
Click to expand...
Click to collapse
Got it.....thanks!!!
why you don't searching at amazon / walmart / eBay? such types of cables are available there
BarajaVLC said:
This is the model I use:
Click to expand...
Click to collapse
Hi,
Did you try it with Dex mode?
I'm asking because I bought one usb c to hdmi hub and It does not work.
When the hdmi is plugged to the external monitor, and I launch Dex mode, there is a message saying that dex mode can't be launch with an external monitor.
One more information, It works perfectly in mirroring mode on the external monitor.
The regular Samsung dex pad works well for this since you can charge the tablet while outputting to an external monitor at the same time. Had one lying around that I got from Samsung with a S9 and it sure works with both the Note 9 and the Tab S4. Note 9 does 2560x1440 but Tab S4 only does 1920x1080 though. Sadly neither do 21:9 which would be ideal since I have a 34" ultrawide. The GPUs on both can def. output 3440x1440 , just need Samsung to add support for it.
Nicolastiss said:
Hi,
Did you try it with Dex mode?
I'm asking because I bought one usb c to hdmi hub and It does not work.
When the hdmi is plugged to the external monitor, and I launch Dex mode, there is a message saying that dex mode can't be launch with an external monitor.
One more information, It works perfectly in mirroring mode on the external monitor.
Click to expand...
Click to collapse
I've found that Dex mode on external monitor doesn't work when the Tablet is in Dex mode, the Tablet has to be in Tablet mode to use Dex mode on external monitor. Put your Tablet in Dex mode and check your Settings > Samsung Dex > Auto start when HDMI is connected > turn on. Then put your Tablet back into Tablet mode and connect the HDMI cable and you should get Dex mode on external monitor. If you can get Screen Mirroring to work, Dex mode should work too, with this setting on.
puppettestpilot said:
I've found that Dex mode on external monitor doesn't work when the Tablet is in Dex mode, the Tablet has to be in Tablet mode to use Dex mode on external monitor. Put your Tablet in Dex mode and check your Settings > Samsung Dex > Auto start when HDMI is connected > turn on. Then put your Tablet back into Tablet mode and connect the HDMI cable and you should get Dex mode on external monitor. If you can get Screen Mirroring to work, Dex mode should work too, with this setting on.
Click to expand...
Click to collapse
Hi,
Thanks for your answer, I tried it but it still does not work (same issue)
I sent an email to Samsung customer service for this issue, and the only answer I get was to buy à Samsung cable...
Thanks again
Nicolastiss said:
Hi,
Thanks for your answer, I tried it but it still does not work (same issue)
I sent an email to Samsung customer service for this issue, and the only answer I get was to buy à Samsung cable...
Thanks again
Click to expand...
Click to collapse
Spewen.
I'm not using a Samsung Cable/HDMI adapter.
Maybe look into what HDMI version the Tablet/Adapter/Display support. If the tablet uses HDMI 2.0 but your adapter or display only support HDMI 1.2 then that could be your problem.
I got this one: https://www.amazon.de/gp/product/B075V5JK36/ref=oh_aui_detailpage_o00_s00?ie=UTF8&psc=1
Manufacturer: https://www.uniaccessories.io/product/usb-c-to-hdmi-cable
{
"lightbox_close": "Close",
"lightbox_next": "Next",
"lightbox_previous": "Previous",
"lightbox_error": "The requested content cannot be loaded. Please try again later.",
"lightbox_start_slideshow": "Start slideshow",
"lightbox_stop_slideshow": "Stop slideshow",
"lightbox_full_screen": "Full screen",
"lightbox_thumbnails": "Thumbnails",
"lightbox_download": "Download",
"lightbox_share": "Share",
"lightbox_zoom": "Zoom",
"lightbox_new_window": "New window",
"lightbox_toggle_sidebar": "Toggle sidebar"
}
Im on the hunt for a Hub at this time as well..... looking for one THATWORKS with HDMI/Ethernet/Passthrough/USB. Think im going to go to Best Buy and ask them to try them out for me there! They carry the J5 Create line and some apple product versions.
Did you find a hub that works?
I did actually:
https://www.amazon.com/gp/product/B07H2ZS1B5/ref=ppx_yo_dt_b_asin_title_o06__o00_s00?ie=UTF8&psc=1
Just need to grab a new charger as the stock one does not supply enough amps to charge and power the extra ports in use.
GL!