Bluetooth codec, are they working? - Redmi K20 / Xiaomi Mi 9T Questions & Answers

Hey people,
I am wondering if your k20 or mi 9t 's LDAC and apt-x/hd are working?
I havr the eea and then flashed eu stable 10.3.14. When i tried connecting Sony wf1000xm3, i can only use sbc or aac. Changing the codec in developer settings doesnt stick and reverts back to sbc or aac.
Can you tell me if you phone's ldac or apt-x is working? anf also the hardware model (k20?9t?) and android os (stock eea?global? or eu?)
Thank you in advance!

just to eliminate other possibilities a bit, i connected wf1000xm3 with samsung s10 and ldac has no problems...

kezzuki said:
Hey people,
I am wondering if your k20 or mi 9t 's LDAC and apt-x/hd are working?
I havr the eea and then flashed eu stable 10.3.14. When i tried connecting Sony wf1000xm3, i can only use sbc or aac. Changing the codec in developer settings doesnt stick and reverts back to sbc or aac.
Can you tell me if you phone's ldac or apt-x is working? anf also the hardware model (k20?9t?) and android os (stock eea?global? or eu?)
Thank you in advance!
Click to expand...
Click to collapse
I can't even select the audio codecs on developer options, I click on Qualcomm aptx and it doesn't do anything.

Aptx is working for me

I have tested basic aptx just once and it worked. I don't have access right now to check again and can't say about other codecs. mine is global eea.

Related

AC3 or DTS pass though over HDMI

Digital sound (pass through) is not possible so far I know on Android. People who say it works, please prove it. Guess they mean dolby pro logic, or that the stereo sound is converted to 5.1 or 7.1 by the receiver. The receiver should show that it's encoding AC3, Dolby digital or DTS, otherwise its not working.
Hope this will change, because a media center without digital multichannel sound is not really a media center.
MaVe_64 said:
Digital sound (pass through) is not possible so far I know on Android. People who say it works, please prove it. Guess they mean dolby pro logic, or that the stereo sound is converted to 5.1 or 7.1 by the receiver. The receiver should show that it's encoding AC3, Dolby digital or DTS, otherwise its not working.
Hope this will change, because a media center without digital multichannel sound is not really a media center.
Click to expand...
Click to collapse
Your receiver doesn't encode but decodes your DTS or AC3 stream.
I don't know about these Android Stick mini pc's but on my SGS3 i can select HDMI audio output: surround under the accessory options.
Perhaps this is a Samsung feature, not sure.
Have never tested this.
What's more important is that the videoplayers should also support audio through HDMI, most probably don't.
Frag1le said:
Your receiver doesn't encode but decodes your DTS or AC3 stream.
I don't know about these Android Stick mini pc's but on my SGS3 i can select HDMI audio output: surround under the accessory options.
Perhaps this is a Samsung feature, not sure.
Have never tested this.
What's more important is that the videoplayers should also support audio through HDMI, most probably don't.
Click to expand...
Click to collapse
I have options in XBMC to configure the audio channel/output options, up to 7.1 with support for DTS, AC3, and a whole bunch of other stuff. I have to look again, but I thought "passthrough" was also an option. I know for certain that it allows selection between HDMI, optical, and analogue output. Then again, I'm not 100pct what features are working all the way or not.
And of course, XBMC's hardware video decoding is still in the works, so there is that problem.
However, give it a go, see if their settings work with your receiver.
digitalhigh said:
I have options in XBMC to configure the audio channel/output options, up to 7.1 with support for DTS, AC3, and a whole bunch of other stuff. I have to look again, but I thought "passthrough" was also an option. I know for certain that it allows selection between HDMI, optical, and analogue output. Then again, I'm not 100pct what features are working all the way or not.
And of course, XBMC's hardware video decoding is still in the works, so there is that problem.
However, give it a go, see if their settings work with your receiver.
Click to expand...
Click to collapse
Nope, these settings don't work. It does decode a 5.1 stream to 2 channel pcm, but no pass through.
Frag1le said:
Your receiver doesn't encode but decodes your DTS or AC3 stream.
I don't know about these Android Stick mini pc's but on my SGS3 i can select HDMI audio output: surround under the accessory options.
Perhaps this is a Samsung feature, not sure.
Have never tested this.
What's more important is that the videoplayers should also support audio through HDMI, most probably don't.
Click to expand...
Click to collapse
Sorry, decode is what I meant.
I'm also waiting for this to buy a TV stick myself... it seems only a handful of devices in the whole Android world supports this feature, with the right firmware and video player nonetheless (see http://forum.xbmc.org/showthread.php?tid=150342&pid=1300761#pid1300761 for instance)
Also, it seems there's some licensing at play here: I'm not sure where but I saw that a manufacturer can't implement the dd/dts passthrough on their firmware/drivers without licensing the codecs first (and given how closed source are these drivers, it's not something the community can deal with easily)
shagrath78 said:
I'm also waiting for this to buy a TV stick myself... it seems only a handful of devices in the whole Android world supports this feature, with the right firmware and video player nonetheless (see http://forum.xbmc.org/showthread.php?tid=150342&pid=1300761#pid1300761 for instance)
Also, it seems there's some licensing at play here: I'm not sure where but I saw that a manufacturer can't implement the dd/dts passthrough on their firmware/drivers without licensing the codecs first (and given how closed source are these drivers, it's not something the community can deal with easily)
Click to expand...
Click to collapse
Am I right if I say the G-Box midnight does pass through AC3/DTS? If so, then it should be possible with other Android boxes.
Well if you can show proof that it can (video/picture with your receiver showing DTS/DD multichannel working) than it sounds promissing for future devices.
Btw if anyone else with Android mini-pcs can test and report if their device does DTS/DD Hdmi passthrough that'll be great.
Until now i think they can't and i hope future android minipcs like the Ouya will support this, although i think it won't (out of the box)
The Minix X5 seems like a good box and they give good support, what is kind of special for chinese products. They say in their forum that multi channel audio is on it's way.
http://minixforums.com/index.php?posts/2881
I would prefer a Minix above the Gbox because of the better GPU.
ive bought a android tablet, bq curie, with a cortex a9, installed mx player and the codecs armv7, also installed the ffdshow codecs, available on a near thread.
my audio setup is a sony ampkifier with hdmi ports, in witch i connect my desktop/mediacenter.
Tried to connect my tablet to the receiver, and it only outputs stereo sound. wit ac3 and dts
I'm open to sugestions how to passthought the audio to the receiver.
zzzpt said:
ive bought a android tablet, bq curie, with a cortex a9, installed mx player and the codecs armv7, also installed the ffdshow codecs, available on a near thread.
my audio setup is a sony ampkifier with hdmi ports, in witch i connect my desktop/mediacenter.
Tried to connect my tablet to the receiver, and it only outputs stereo sound. wit ac3 and dts
I'm open to sugestions how to passthought the audio to the receiver.
Click to expand...
Click to collapse
You can't. You will have to wait untill the firmware for your android chipset is modified to work with multi channel sound passthrough.
Ok, here's an update, installed xbmcAndroid, noticed the Passthought options (DTS ...) unfortunately same result, the output sound was in 2.0
Perhaps this is really Firmware Problem, like statted in a previous post:
I'm also waiting for this to buy a TV stick myself... it seems only a handful of devices in the whole Android world supports this feature, with the right firmware and video player nonetheless
Click to expand...
Click to collapse
zzzpt said:
Ok, here's an update, installed xbmcAndroid, noticed the Passthought options (DTS ...) unfortunately same result, the output sound was in 2.0
Perhaps this is really Firmware Problem, like statted in a previous post:
Click to expand...
Click to collapse
Yes if the firmware doesn't support it, XBMC can't use the function. For instance Rockchip is working on a solution to passthrough 5.1 audio for SPDIF (optical audio out), it's not sure if it will work on HDMI output.
We will have to have patience...
the second no go is hdmi cec functionality - try Raspberry PI - is fine
Hi guys, I'm going to buy a stick but the lack of audio passthrough is blocking me as I will use this stick for media purposes. Nearly all files I have are at least dts or ac3 5.1 channel sound.
Would anybody have an update on this? I'm trying to search on Internet but not much info about progress of rockchip.
There still aren't any Android Mini PC/Stick that do multichannel passthrough. (correct me if i'm wrong)
The Ouya promised this on kickstarter in the promotional videos but they didn't deliver so false promises, so they are dead to me now.
RK3066 devices can't through HDMI and the few devices that have an optical out can neither.
RK3188 the few reviewed devices can't and the ones that are getting optical out aren't released yet so haven't been reviewed afaik.
I don't know about any other device or chip that does support this yet, so do share if you know one.
The Minix X5 (RK3066) should have a new firmware now that supports AC3 5.1 pass through to optical out {spdif). HDMI no pass through.
It's a firmware situation. Check out this video here demonstrating XBMC on the UT1, and another device called the Hi718 which seems to perform pretty good. Both have SPDIFF audio output. Without allowing the DTS encoded audio to pass through untouched, the devices decode the DTS sound and digitally output the audio via the SPDIFF. I just have the new UT1, so I can't speak with any authority on the HI718, but from the video it looks the same.
In the user guide for the UT1 it shows audio pass through option, and it maybe in the new UT1 firmware they just posted on the UT1 forum. I just haven't got the balls to reflash my device yet as there is always a degree of flash fear when a device is working really well lol
UT1 XBMC hardware playback test:
http://www.youtube.com/watch?v=z2qsprNRV6Y
Hi718 Review with hardware video playback tests.
http://www.youtube.com/watch?v=heRQOpaCstU
BlobLobba said:
It's a firmware situation. Check out this video here demonstrating XBMC on the UT1, and another device called the Hi718 which seems to perform pretty good. Both have SPDIFF audio output. Without allowing the DTS encoded audio to pass through untouched, the devices decode the DTS sound and digitally output the audio via the SPDIFF. I just have the new UT1, so I can't speak with any authority on the HI718, but from the video it looks the same.
In the user guide for the UT1 it shows audio pass through option, and it maybe in the new UT1 firmware they just posted on the UT1 forum. I just haven't got the balls to reflash my device yet as there is always a degree of flash fear when a device is working really well lol
UT1 XBMC hardware playback test:
http://www.youtube.com/watch?v=z2qsprNRV6Y
Hi718 Review with hardware video playback tests.
http://www.youtube.com/watch?v=heRQOpaCstU
Click to expand...
Click to collapse
The whole idea behind DD/DTS passthrough is that the device doesn't decode anything and that your receiver/amp does the decoding.
I haven't watched the videos completely but if they decode the DTS and then output it'll probably be only 2.0 stereo.
Reviewer stated he was getting 5.1 channel sound, so I don't think it's stereo. Also XBMC show DTS and AAC when he's playing some of the files.
If you read my post, you will know I know what audio passthrough is, hence everything I wrote in my post relates to it. Which part didn't you understand?

AptX

Has anyone gotten AptX to work with their Nexus 6p? I know that Google has not officially added support for AptX to the Nexus 6p within Android Oreo, but they did add this support for the Pixel phones. I also read various articles on how people have been able to enable AptX on developer preview builds of Oreo (for the Nexus 6p) and in some cases within LineageOS. A few weeks ago I tried all the methods listed online, but the information is sparse and it wasn't successful.
1) Has anyone gotten AptX to work within any version of Android on the Nexus 6P?
2) Has anyone been able to flash the necessary blob or drivers to enable AptX within any Rom of Oreo for the Nexus 6p?
If you have this working and could write me a step by step, I'd appreciate it immensely !
I don't have a pair of AptX headphones, otherwise I'd like to test it out, with the new Oreo rom from SuperXE, I remember seeing an option for bluetooth codecs and I saw AptX and AptX HD in the list?
Oreo brings an aptX codec selector option to Developer Settings.
But it does not work on the 6P as there is no aptX codec installed.
I know, because I'm an aptX enthusiast (see my signature) and I just tested it a few minutes ago with my Velodyne aptX headphones.
aptX does not get engaged, so I didn't even bother looking at the logcats since those won't indicate anything without aptX engaging.
I'll probably try hacking aptX into my new/used 6P that I just bought today.
But I don't think it'll work, since recent aptX success stories have all been with Lineage OS 14+ ROM's and I plan to stay with Marshmallow.
But I'll give it a shot over the next week and let ya'll know what I find out.
CZ Eddie said:
Oreo brings an aptX codec selector option to Developer Settings.
But it does not work on the 6P as there is no aptX codec installed.
I know, because I'm an aptX enthusiast (see my signature) and I just tested it a few minutes ago with my Velodyne aptX headphones.
aptX does not get engaged, so I didn't even bother looking at the logcats since those won't indicate anything without aptX engaging.
I'll probably try hacking aptX into my new/used 6P that I just bought today.
But I don't think it'll work, since recent aptX success stories have all been with Lineage OS 14+ ROM's and I plan to stay with Marshmallow.
But I'll give it a shot over the next week and let ya'll know what I find out.
Click to expand...
Click to collapse
@CZ Eddie - any success on this?
I'd really like to get atpX working on my Nougat ROM...
orangekid said:
@CZ Eddie - any success on this?
I'd really like to get atpX working on my Nougat ROM...
Click to expand...
Click to collapse
Yeah, it works fine on my Nougat Resurrection Remix.
Just unzip the attached zip.
Copy the two lib files to /system/vendor/lib
Make them rw-r-r- for permissions.
Reboot and you should be good to go.
CZ Eddie said:
Yeah, it works fine on my Nougat Resurrection Remix.
Just unzip the attached zip.
Copy the two lib files to /system/vendor/lib
Make them rw-r-r- for permissions.
Reboot and you should be good to go.
Click to expand...
Click to collapse
Bad ass man!
I am on RR too so this is cool, after this the headphones just pick up the codec automatically?
edit: would be good to make a flashable zip too.
orangekid said:
Bad ass man!
I am on RR too so this is cool, after this the headphones just pick up the codec automatically?
edit: would be good to make a flashable zip too.
Click to expand...
Click to collapse
Yep, just reboot and you're done. aptX compatible receiver devices (such as headphones) will automatically connect via aptX now.
You know, I've had the worst luck trying to create flashable zips.
The last time any of mine worked was on Marshmallow.
I gave up on them. But if someone points me to a working flashable zip that puts items in /system then I'll mod it for aptx.
CZ Eddie said:
Yep, just reboot and you're done. aptX compatible receiver devices (such as headphones) will automatically connect via aptX now.
You know, I've had the worst luck trying to create flashable zips.
The last time any of mine worked was on Marshmallow.
I gave up on them. But if someone points me to a working flashable zip that puts items in /system then I'll mod it for aptx.
Click to expand...
Click to collapse
I have always just taken an existing zip and modded the contents honestly. But this is fine too, not hard to manually add the libs.
@CZ Eddie
How do you know for sure if your phone is using apt-x codec or not when connected to headphones? Is there an app or something that can tell?
orangekid said:
@CZ Eddie
How do you know for sure if your phone is using apt-x codec or not when connected to headphones? Is there an app or something that can tell?
Click to expand...
Click to collapse
My headset flashes blue a certain amount of times (four) if aptX is online.
But you can also run a logcat. Connect to the headset, then play some music (or aptX won't start). Then stop the logcat and ctrl+f it for "aptx".
If you see it mentioned anywhere at all, then it's working. :good:
Sorry for the dumb question but is it possible to push these files via ADB without Magisk?
Lol there's a magisk module I found that works for enabling AptX on the most recent Oreo Build, it was intended for Oreo beta but it works ! I can't find the thread even though I know it's still out there. Credit goes out to them. Just flash with Magisk and connect a pair to see if it works.
Tested this on Nexus6P with Lg tone Pro using AptX.
https://mega.nz/#!akxSnJAS!-rOJJLFz90V4L_SozcDXQMcR2MmQHEuEba2QPXNaSRY

Xiaomi M1 A1 LDAC - Android 9

Hello,
The only reason i bought this phone was because it had LDAC bluetooth. This was great in the past but just recently ive noticed the sound is rubbish and upon checking it is stuck on "SBC" under "Developer options". When i try to change to LDAC it automatically reverts back to "SBC"?
Why? How can i get the LDAC Codec working? I specifically run Sony MX1000MX2 and MX3's for LDAC and specifically bought this phone for that reason?
Is it possible? Or do i need to change to LG to get good bluetooth from a mobile?
Thanks
Ed
Is your rom still stock? The December Pie update has broken aptx and also ldac (from what you are saying).
And downgrading to Oreo is more complicated because doing it the normal way will softbrick the phone after the Pie update. There was a thread describing the steps so search for it if you want to downgrade.
Or wait and see if there is a workaround under Pie or wait for Xiaomi to fix this issue - make a bug report and contact support.

Bluetooth audio delay by 1 or 2 sec ( custom rom)

I just bought a bluetooth earphone and noticed 1 or 2 sec audio delay as compared with video, I've used pixel experience pie, Q and evolution rom Q version but issue is same.
Can anyone help me, how to fix this issue.
Thanks in advance
What is the name of the BT earphone? And what CODEC does it support?
piyushkashyap216 said:
I just bought a bluetooth earphone and noticed 1 or 2 sec audio delay as compared with video, I've used pixel experience pie, Q and evolution rom Q version but issue is same.
Can anyone help me, how to fix this issue.
Thanks in advance
Click to expand...
Click to collapse
deleted
arkadeep2008 said:
What is the name of the BT earphone? And what CODEC does it support?
Click to expand...
Click to collapse
it supports AAC

Custom rom Bluetooth not working.

i have flashed Ancient os 6.2 on my redmi 3s which is based on Android 12. everything works fine except Bluetooth. after connecting any Bluetooth devices the audio is still coming out form mobile speaker. any solution ?.
You should probably ask the developer of Ancient OS about the bluetooth audio issue.
aospray said:
You should probably ask the developer of Ancient OS about the bluetooth audio issue.
Click to expand...
Click to collapse
oh.k

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