AptX HD CODEC? - Samsung Galaxy S9+ Questions & Answers

Hi
I have been searching for a way to enable aptx HD bluetooth codec for use with my aptx HD headphones, my model is an Eynos model and at the event Samsung stated it is compatible with aptx HD. My headphones only connect to my S9 plus in aptx but not HD like they do with other phone's. Does anyone know if the s9 plus actually has aptx HD or were we lied to? It's not even an option in developer's options menu. Any solutions? Thank you in advance

I've only been able to enable LDAC (which is fine since I have Sony headphones). I can't see any option on the SD model for APTX HD.

WorldIRC said:
I've only been able to enable LDAC (which is fine since I have Sony headphones). I can't see any option on the SD model for APTX HD.
Click to expand...
Click to collapse
There's no apxhd on exynos either.

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No aptx HD

seezy said:
No aptx HD
Click to expand...
Click to collapse
I noticed that too, why did Samsung state it in their event when its not on the handsets?

So is there any announcements for aptx had? Can't find any statements on Samsung website or blogs.
So a friend own the SD S9+, Mine is exynos and since I noticed SD nor exynos got aptx hd.

seezy said:
View attachment 4443344
No aptx HD
Click to expand...
Click to collapse
Do you have any idea what 'Samsung HD' is? I presume it's something proprietary, but I've found loads of nothing via Google - even on Samsung's own site.

The lack of AptX HD is strange on a flagship like S9+. At least we have LDAC but you need to go in Developer Mode to enable it. Why? Don't get it. Anyway their history of bluetooth stack is less than stellar to say the least.

ixman said:
The lack of AptX HD is strange on a flagship like S9+. At least we have LDAC but you need to go in Developer Mode to enable it. Why? Don't get it. Anyway their history of bluetooth stack is less than stellar to say the least.
Click to expand...
Click to collapse
It is there, among a long list of others.
1. Enable Developer Options
2. In Developer Options, scroll down to Bluetooth Audio Codec
The list is:
SBC (this was selected when I went into the menu)
AAC
aptX
LDAC
Samsung HD
Scalable Codec
All codecs
Default codec
Now, I have no idea how the system (manages) theses - especially if you select (All codecs), or if you select one (like aptX), if it will only work with that.
Good luck.

Where is AptX HD in that list?

I can't get aptx to stay in Dev options. You can switch it to it. But when you leave and come back. It's back at sbc

Same for me... What's the point in enabling these options if they don't work. Samsung fail.

For me, if I'm connected to an aptx enabled device it selects itself automatically (and the option stays selected in dev options). Also, only while connected to an Aptx device, can I switch between SBC and Aptx.
For some reason I can't select AAC over Aptx, while the device I'm connected to does support both aptx as well as aac.
Edit: I can also confirm it supports AAC. Just tested it with an AAC only device (so no aptx support). Again, it just autoselects and doesn't use SBC.

S9+ here, looking at Monster Sports headphones.
Did anyone get AptX or any kind of quality codec going..

same
ramheer said:
Hi
I have been searching for a way to enable aptx HD bluetooth codec for use with my aptx HD headphones, my model is an Eynos model and at the event Samsung stated it is compatible with aptx HD. My headphones only connect to my S9 plus in aptx but not HD like they do with other phone's. Does anyone know if the s9 plus actually has aptx HD or were we lied to? It's not even an option in developer's options menu. Any solutions? Thank you in advance
Click to expand...
Click to collapse
Same issue, I have the Sony BX950BT and I hold down the volume up when I turn them on and it activates ACC / aptX Mode.
However on the SGSP+ even messing with developer options, I cannot get it to connect/stay active.

DroidBois said:
S9+ here, looking at Monster Sports headphones.
Did anyone get AptX or any kind of quality codec going..
Click to expand...
Click to collapse
My LG's support AptX, my S9+ (and my old S8+) both default to that coded by default. When using my home received it defaults to SBC. I think it should use whatever the BT device supports.

I agree this was a major oversight by Samsung in the current firmware. Why not just enable it native like LG.

Guys samsung as far as i can see on qualcomms website doesnt state aptx hd supoort only aptx quite unfortunate tbh

Honestly how can a "flagship" phone from the top mobile maker not include aptx HD. My pixel 2xl, LG v30 had it. Hell a oneplus 6 has it. Honestly between this and the USB-C audio issues this will be my last Samsung phone.
Sent from my SM-G965U using Tapatalk

I'm just using LDAC with Sony which is heaps better anyway.
Sent from my SM-G965F using Tapatalk

Related

Bluetooth headset for Diamond 2

I am looking for bluetooth headset for diamond 2 mainly for listening to music.
Any recommendation for this?
Samsung SBH-650 and Sony DS-205 are both under my consideration. Is the capatibility and sound quality good?
Thanks so much!
Hi,
I spent a long time searching for a decent pair of bluetooth headphones and I finally settled on the Sony DR-BT50. They're fairly comfortable, they have much better bass than most bluetooth headsets and the autonomy is unbeatable... I think that they're a good choice if you don't mind the size.
You'll want to use Advanced Config Tools to change the bitpool and sample rate settings on your phone but once you've done that you'll get quite a nice sound for wireless headphones.
NeoGreendawg said:
Hi,
You'll want to use Advanced Config Tools to change the bitpool and sample rate settings on your phone but once you've done that you'll get quite a nice sound for wireless headphones.
Click to expand...
Click to collapse
Thanks so much NeoGreendawg.
Would you please kindly tell what to be changed about the bitpool?
I use the DS205 and I like it. I'm impressed by the audio quality - both from the phone and the headset. Used it in two meetings today and talk time of 5h wasn't a problem for that headset.
-Jonas
chiuuuuu said:
Thanks so much NeoGreendawg.
Would you please kindly tell what to be changed about the bitpool?
Click to expand...
Click to collapse
These are my bluetooth settings for Advanced Config Tools :
Bitpool: Very high
Maximum bitpool: 128 (but I read somewhere that 80 is best)
Minimum bitpool : 65
Sample rate: 48000 Hz
I don't really know if those are the best settings but it sounds much better compared to default settings with my headphones.
I use the Sony HBH-DS200. It seems to be very similar to the DS205 except cheaper, possibly because it's an older model. I agree with mrbister, the audio quality is superb, I prefer it to the quality straight from the TD2 itself, and I'm fussy about audio quality.
The only niggle with the DS-200 (and probably the 205 too): the volume control is not user friendly. You have one button which you keep pressed and the volume ramps all the way down and up again. if you just want to raise it slightly this is a pain. You're better off adjusting it on the TD2.
You do need to set the TD2's bluetooth settings very high (Bitpool: very high, max 90, min 80). The TD2 heats up quite a bit when streaming (possibly because of these settings) and the battery goes down quickly, but the link is very reliable, and you can still do other things like surf at the same time. I also stream internet radio via bluetooth, but that really does heat the phone and shorten battery life. Still works fine though.
I can't praise the Sony 200 enough, i'm getting another as a spare.
Thanks so much mrbister, NeoGreendawg and Pete_S.
I think I will go to buy DS205 because of the superb sound quality!
I think the ds205 has another kind of volume button compared to ds200:
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The bluetooth headset is a different thing from the bluetooth handsfree? I have a Tech handsfree (shown in the attached image), and it can be used just for the phone conversation, NOT the music.
Hence, I would like to know whether I do something wrong, or I have to use a different device for hearing music.
Is there any audio lag/sync issues when watching videos? I'd read that this is a common issue with bluetooth receivers.
EDIT: To the OP, if you don't mind pricy canalphones, consider the ety8: http://pocketnow.com/index.php?a=portal_detail&t=reviews&id=993
@ jcan: Your bluetooth handsfree needs to support "A2DP" profile as well as "headset" profile, then you will get both stereo audio and handsfree functionality. If it's only "headset", you won't get high quality stereo.
@ Aisorik: I haven't tested video with bluetooth, but as well as the possible lag/sync issue, you might find the TD2 "runs out of steam" trying to play video and, if you've tweaked the settings, high quality bluetooth at the same time.
@ mrbister: Thanks. Looks like I should have got the 205 instead!
Thx for the answer, Pete_S!
Hi,
I tried a video with my BT headphones and the sound came through nicely as usual (no connection drops or background noise) but it was a fraction of a second late so, yes, it's slightly out of sync...
I haven't looked into it much yet but I seem to remember reading about a way to fix this with an option in Core player...
NeoGreendawg said:
Hi,
I tried a video with my BT headphones and the sound came through nicely as usual (no connection drops or background noise) but it was a fraction of a second late so, yes, it's slightly out of sync...
I haven't looked into it much yet but I seem to remember reading about a way to fix this with an option in Core player...
Click to expand...
Click to collapse
Was the video a tricky one (near to the capabilities of the TD2), and have you also pushed up your bluetooth quality settings? Guess I ought to try it myself as I have Coreplayer too.
Pete_S said:
Was the video a tricky one (near to the capabilities of the TD2), and have you also pushed up your bluetooth quality settings? Guess I ought to try it myself as I have Coreplayer too.
Click to expand...
Click to collapse
Yeah, my bluetooth settings have been tweaked (see previous page) but I don't think that's the cause... Like I said, I read somewhere that you can delay the video so it matches the sound but I still haven't looked for the settings myself... I rarely watch videos on my TD2 and never with my BT headset so it's not really an issue for me.
Yeah, my bluetooth settings have been tweaked (see previous page)
Click to expand...
Click to collapse
Sorry, I forgot to check back
The delay in the audio is probably down to a buffer used for A2DP streaming. I don't know whether the quality settings would make this any worse or not.
The reason for the question was only to find out whether the TD2 has the processing power to do high quality streaming whilst decoding a demanding video at the same time.
But, like you, I rarely watch videos on it, so it isn't much of an issue, just curiosity
The reason for the question was only to find out whether the TD2 has the processing power to do high quality streaming whilst decoding a demanding video at the same time.
Click to expand...
Click to collapse
Any updates?
Let's take photo of ur bluetooth headset. Which is recommended for Listening to FM + Answering Calls?
Try taking a look at the Sennheiser MM200 BT headset.
wenxi said:
Let's take photo of ur bluetooth headset. Which is recommended for Listening to FM + Answering Calls?
Click to expand...
Click to collapse
I don't think the bluetooth audio works for FM radio. That is what you meant, isn't it?
FM is probably connected internally after the A2DP encoding point, so can never be channelled through bluetooth.

Increase bluetooth A2DP quality (SBC -> MP3)

Hello XDA!
Hi have a Galaxy S2, I can found only a bad thing in it: bluetooth audio quality.
I have done some search and I'm sure that GS2 (like most other smartphones) uses SBC codec to send data over bluetooth.
The problem with SBC is that it reconvert your compressed files, such as MP3 or AAC, before sent them over bluetooth, so the final quality is terrible.
You can improve a little the quality increase the bitpool (use an highest bitrate for the conversion) but sound quality will never reach Directly MP3 transfer without conversion, for example connecting an usb stick to your stereo.
But there are a lot of discussion about ad2p sound quality on xda, so I think that you already know that.
I think that create mp3 codec to work with GS2 is hard and difficult, but I have found that Blueplayer for Windows mobile and Motorola with Droid X/ Droid 2 use A2DP Mp3 direct stream, in the specific motorola enabling the option "enhanced stereo" in bluetooth menu (absent in SGS2):
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So my question is: is possible to make a port of blueplayer or motorola bluetooth stack for Samsung Galaxy S2? I think this is the only way to improve bad bluetooth audio quality on GS2.
Acutally it should be as easy as editing a config file.. (/system/etc/bluetooth/audio.conf) like this:
Code:
[A2DP]
SBCSources=0
MPEG12Sources=1
gauner1986 said:
Acutally it should be as easy as editing a config file.. (/system/etc/bluetooth/audio.conf) like this:
Code:
[A2DP]
SBCSources=0
MPEG12Sources=1
Click to expand...
Click to collapse
thanks for your reply!
I have tried that, but it seems make no difference for me, have you tried it?
With my Plantronic Voyager Pro Plus ( Pro+ ), bluetooth audio quality is quite good ( although only 1 ear ). When change to connect Pro+ with Moto Atrix 4G, I got bad experience.
But with wired good brand/quality 3.5" headphone, Atrix do better in quality
Zanr Zij said:
With my Plantronic Voyager Pro Plus ( Pro+ ), bluetooth audio quality is quite good ( although only 1 ear ). When change to connect Pro+ with Moto Atrix 4G, I got bad experience.
But with wired good brand/quality 3.5" headphone, Atrix do better in quality
Click to expand...
Click to collapse
Jack audio on galaxy s2 is really bad in my experience, and usb output is only available in mass storage mode... Not really useful. So I'm trying to get better audio quality from bluetooth...there is also car dock from Samsung with 3.5" output, but I think that the final quality is like direct 3.5" output.. Very bad things from Samsung.
yea i don' get the audio complaints. i'm happy with the sound on my sgs2. used various BT earphones (sony, motorolla, nokia and plantronics and all good)
GS2 audio quality via bluetooth is way too far differrent compared to Xperia X8. X8 audio quality via bluetooth is good, while GS2 is not. :-(
I'm OK with the quality of the Voyager pro+, but in car I need to increase the vol., there's anyway to increase the conversation volume of the BT headphones?
Sended from my SGS2
This is a well know problem for SGSII (and probably other Gingerbread-based phones).
http://forum.xda-developers.com/showthread.php?t=708685
http://forum.xda-developers.com/showthread.php?t=1187488
Google has fixed the problem in the AOSP builds, but Samsung hasn't integrated that particular fix in the 2.3.4 edition - hopefully it will be integrated in the upcoming 2.3.5 edition...
beppez82 said:
I'm OK with the quality of the Voyager pro+, but in car I need to increase the vol., there's anyway to increase the conversation volume of the BT headphones?
Sended from my SGS2
Click to expand...
Click to collapse
Do in in ServiceMode:
1. Dial on Dialer ( Phone.apk not 3rd Dialer like DialerOne )
*#*#197328640#*#*
2. Select [5]Audio
3. Select [1] NB ( Voice Call )
4. Select [4] Bluetooth
Zanr Zij said:
Do in in ServiceMode:
1. Dial on Dialer ( Phone.apk not 3rd Dialer like DialerOne )
*#*#197328640#*#*
2. Select [5]Audio
3. Select [1] NB ( Voice Call )
4. Select [4] Bluetooth
Click to expand...
Click to collapse
Thanks, but what I have to touch to increase audio in ear volume?
Sended from my SGS2
beppez82 said:
Thanks, but what I have to touch to increase audio in ear volume?
Sended from my SGS2
Click to expand...
Click to collapse
Change value of this : SRC Speech RX Volume
Try some numbers higher than you see.
adioph said:
GS2 audio quality via bluetooth is way too far differrent compared to Xperia X8. X8 audio quality via bluetooth is good, while GS2 is not. :-(
Click to expand...
Click to collapse
You can simply use DSP manager or Volume+ apps to increase BT volume...google it
Return IT
Is teorically possible to change Samsung AOSP to Google AOSP? maybe with the upcoming Nexus Prime?
This helped me a problem with A2DP stereo:
http://forum.xda-developers.com/showthread.php?t=1293239&highlight=music+ice.
I use Omega rom 2.0 (best rom). I believe it will help you.
I had lousy bluetooth a2dp quality on stereo jabra 3030. The only thing that fixed it was switching to CyanogenMod, since it uses AOSP bluetooth stack instead of Samsungs.
I even can't paired with SGS2. The stereo BT still can used with my Omnia2. Weir.
Sent from my GT-I9100 using Tapatalk

Bluetooth SBC bitpool 35 on H850 V20b resulting bad audio quality

Hi, people of internet! Here some research, to prove that im not gone mad or having a nocebo effect, since I was very disappointed in bt audio quality of h850 running 7.0 (V20b) compared to lg g2 running cm13. The regression that I didn't expect.
So, even without root on g5, in the devel options we can enable bt log dump:
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1. Dasable bluetooth.
2. Turn logging on.
3. Enable bluetooth and connect a device.
4. Play your lovely tunes in any audio player for ~5 seconds.
5. Disable bluetooth, turn off logging.
The log file named btsnoop_hci.log will appear on /sdcard.
Delete or rename this file every test.
Do not forget to turn the logging option off, otherwise it will flood your storage.
And analyze these files in Wireshark:
Lets compare the two. The testing device is JBL Reflect bt mini (also tested with Plantronics M70 with same result).
LG G2, requesting capabilities of device (useful to check which codec(s) your device supports)
And getting reply that only SBC (not aptx, mp3 or aac, we are talking sbc only here) codec is supported, giving the command to use it with bitpool (quality) from 2 to 53, as reported.
Later in the log we see actual sbc packets transmitted, each carrying music itself, so to say, at maximum bitpool of 53. Also note the packet size.
And the music sounds good, well, for sbc at least.
Now lets look at LG G5
Results are, negotiating quality and settings with the device, is same, but when we take a single sbc packet.. Actual sbc bitpool is 35.
Why, LG? So, if you guys test it for yourself and report back here, it would be great.
To me it looks like an android bug, maybe closed long time ago in the mainstream and lg was just unlucky to snapshot it. Dunno.
Further actions may be waiting for 7.1 or rooting and trying to find if bitpool 35 is indeed hardcoded and where.
Update: Well, frack me sideways. Problem fixed itself by hard resetting again (3rd time for the phone) and then re-pairing headphones. Go figure. Thank you for your attention.
Similar behavior
Greetings from late 2018. I am seeing similar behavior. My G5 drops from bitpool of 53 to 25. In my case, this happens whenever there is BLE advertising which happens every 15 seconds or so for about 10 seconds. This makes listening to audio sources that only support sbc unlistenable. This started happening about a year after I bought it so I am thinking that an update broke it.
I'll probably try what you did (hard resets) and see what happens.
If you or anyone have a suggestion, please let me know.
Thanks!
TRANKA2010 said:
Greetings from late 2018. I am seeing similar behavior. My G5 drops from bitpool of 53 to 25. In my case, this happens whenever there is BLE advertising which happens every 15 seconds or so for about 10 seconds. This makes listening to audio sources that only support sbc unlistenable. This started happening about a year after I bought it so I am thinking that an update broke it.
I'll probably try what you did (hard resets) and see what happens.
If you or anyone have a suggestion, please let me know.
Thanks!
Click to expand...
Click to collapse
Yes, that..
Since then, bt was behaving well.
I would suggest also resetting network settings (found in "Backup & Reset") without a full system reset, then pairing BLE and regular bt devices in some order or another, like good old "jiggle the handle" method untill its working :b
For me, I have a pocophone f1 now running a custom rom (Sybiria) which includes so called SBC HD, (take a look at this commit for explaination review.lineageos.org/c/LineageOS/android_system_bt/+/229125 ) tl;dr aptx-like quality on nearly any sbc device.

LG phones always default to AAC instead of AptX??

I have a new pair of bluetooth headphones (Aukey EP-80) which support both AAC and Aptx protocols. AptX sounds noticeably better than AAC but my LG v35 always defaults to AAC when headphones first connected. It's a huge pain in the @SS to manually switch to AptX in developer settings. My Nexus 6P (8.1) and Huawei Mediapad (8.0) both correctly select AptX as expected.
A few google searches indicates this is LG behavior across many if not all phones. True? Arrg. Is there any way to fix, either permanently or with some app like tasker?
Well, at least LDAC Codec capable headphones always default to LDAC, if under their respective Bluetooth devices settings the connection type (which setting actualy only can be found for AptX HD and LDAC devices) is set to optimal instead of stable.
Yeah, I have a pair of headphones that support Aptx HD as well as AAC so I get the connection setting to select Aptx HD. It's only when just std Aptx and AAC are the available codecs that we're screwed and have to manually select Aptx every time in dev options. So frustrating for a phone that touts audio quality as it's primary selling point....
StephenMSmith said:
Yeah, I have a pair of headphones that support Aptx HD as well as AAC so I get the connection setting to select Aptx HD. It's only when just std Aptx and AAC are the available codecs that we're screwed and have to manually select Aptx every time in dev options. So frustrating for a phone that touts audio quality as it's primary selling point....
Click to expand...
Click to collapse
Just found this topic via Google. I have an LG V30 and just bought Sennheiser Momentum True Wireless in ear headphones. They support AAC as well as AptX. My V30 always defaults to AAC. I can switch to AptX no problem while they are connected but as soon as they are disconnected or put in their charging case and then reconnect, AAC is the default system choice again. This is pretty annoying. I have no clue why AAC is the default choice between the two options. My brother has a Note 9 and there AptX is the default option (as it should be, actually).
Has there ever been a fix for this? Thanks.
Tenlow said:
Just found this topic via Google. I have an LG V30 and just bought Sennheiser Momentum True Wireless in ear headphones. They support AAC as well as AptX. My V30 always defaults to AAC. I can switch to AptX no problem while they are connected but as soon as they are disconnected or put in their charging case and then reconnect, AAC is the default system choice again. This is pretty annoying. I have no clue why AAC is the default choice between the two options. My brother has a Note 9 and there AptX is the default option (as it should be, actually).
Has there ever been a fix for this? Thanks.
Click to expand...
Click to collapse
Nope! You need headphones that either support AptX but not AAC, or headphones that support AptX-HD. I have the B&W PX Active over-ear which support AptX-HD and am sticking w/my Aukey EP-B40 (original version) for earbuds b/c they got AptX but no AAC.
I upgraded at one point to better earbuds that supported AptX but also AAC and tried for a week to get some automated task script to work with would auto-select AptX in dev options but no go. Hopefully, more AptX-HD phones will start arriving but I'm only aware of the new Bullets so far and those are neckband.
I'm also not sure if AptX-LL (low latency) might work, ie. LG will default to AptX-LL rather than AAC. So that might be some hope.
StephenMSmith said:
Nope! You need headphones that either support AptX but not AAC, or headphones that support AptX-HD. I have the B&W PX Active over-ear which support AptX-HD and am sticking w/my Aukey EP-B40 (original version) for earbuds b/c they got AptX but no AAC.
I upgraded at one point to better earbuds that supported AptX but also AAC and tried for a week to get some automated task script to work with would auto-select AptX in dev options but no go. Hopefully, more AptX-HD phones will start arriving but I'm only aware of the new Bullets so far and those are neckband.
I'm also not sure if AptX-LL (low latency) might work, ie. LG will default to AptX-LL rather than AAC. So that might be some hope.
Click to expand...
Click to collapse
I have the PX as well. Once set to AptX HD, they remain there no problem. They are great headphones! I didn't even know this issue existed but once I got my new Sennheiser Momentum True Wireless buds it started to become apparent as they support both AAC and AptX...
Gesendet von meinem LG-H930 mit Tapatalk
Yep, I didn't know either until I upgraded to better earbuds that included both AptX and AAC. Luckily for us and our PX's, LG is kind enough to select AptX-HD over AAC. Presumably, same for LDAC on the Sony's.
And hard to find others that have discovered the issue too. Most probably wouldn't know unless they were aware of dev options.
StephenMSmith said:
Yep, I didn't know either until I upgraded to better earbuds that included both AptX and AAC. Luckily for us and our PX's, LG is kind enough to select AptX-HD over AAC. Presumably, same for LDAC on the Sony's.
And hard to find others that have discovered the issue too. Most probably wouldn't know unless they were aware of dev options.
Click to expand...
Click to collapse
Yeah it's quite a specific issue. Most probably don't know and/or even care. You have to have an LG device, a headphone that supports AAC as well AptX and know what dev options are, where they are and where to find the Bluetooth codecs (as well as what they mean actually). No surprise this isn't a very common or widespread issue
Gesendet von meinem LG-H930 mit Tapatalk
A bit late to the party but you can add _NOAAC to the end of your Bluetooth device name and it will skip AAC codec and use the next best option, in my case AptX.
ie "Lagoon ANC" becomes "Lagoon ANC_NOAAC".
It didn't work when I first got my phone but since the JAN 2020 update it started working, on a LG V40 (Android 9).
I've since switched to only earbuds and cans w/APTx Hd codec to get around this LG issue. Will try on my v35. How on earth did you figure out that adding this text to end of BT device name prohibits AAC crap?
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Has anyone tried this? It's in developer options in stock Android 9. I don't use wireless earbuds, but you try it.
[email protected] said:
A bit late to the party but you can add _NOAAC to the end of your Bluetooth device name and it will skip AAC codec and use the next best option, in my case AptX.
ie "Lagoon ANC" becomes "Lagoon ANC_NOAAC".
It didn't work when I first got my phone but since the JAN 2020 update it started working, on a LG V40 (Android 9).
Click to expand...
Click to collapse
Seems I've got rid of all my headphone that had APTx and AAC (but not APTxHD) so can't test. Anxious if someone else will and report back.
Changing the BT codec in developer option doesn't stick and defaults back to AAC when your headphone reconnects, which is super annoying (ie everytime I get a drink or go to the bathroom). The _NOAAC trick gets past this annoying behaviour.
I found it in another XDA thread but didn't seem like a well known option, plus it only recently started working for me (assuming it's update related).
[email protected] said:
Changing the BT codec in developer option doesn't stick and defaults back to AAC when your headphone reconnects, which is super annoying (ie everytime I get a drink or go to the bathroom). The _NOAAC trick gets past this annoying behaviour.
I found it in another XDA thread but didn't seem like a well known option, plus it only recently started working for me (assuming it's update related).
Click to expand...
Click to collapse
So it won't work on stock then, as there's been no recent updates?
I own H930DS on stock firmware & unrooted. When my FW was still in stock Oreo, I also had this issue. Then when I upgraded to stock Pie (using LGUP, dirty upgrade), I only needed to select my preferred codec once from the developer settings, then it'd be my default setting. Hope this helps.
I don't have this issue. Only selected AptX once and it stayed there. H930 Stock Pie.
Quote:
Originally Posted by John Park;
"A bit late to the party but you can add _NOAAC to the end of your Bluetooth device name and it will skip AAC codec and use the next best option, in my case AptX.
ie "Lagoon ANC" becomes "Lagoon ANC_NOAAC".
It didn't work when I first got my phone but since the JAN 2020 update it started working, on a LG V40 (Android 9)."
Many thanks John. This trick worked on my LG G8s!!!
Fix works on LG Velvet 5G phone
[email protected] said:
A bit late to the party but you can add _NOAAC to the end of your Bluetooth device name and it will skip AAC codec and use the next best option, in my case AptX.
ie "Lagoon ANC" becomes "Lagoon ANC_NOAAC".
It didn't work when I first got my phone but since the JAN 2020 update it started working, on a LG V40 (Android 9).
Click to expand...
Click to collapse
Did exactly what you said and it works. My phone no longer reverts back to AAC codec and stays on aptX when turning earbuds (with AAC and aptX codecs) on. Thank you!

Some questions

Hi guys.
I have a Xioami Mi 8 Lite some months and so far I'm loving the phone.
But there are 3 questions that I like to ask and discuss.
1º Sometimes I have Wi-Fi signal in max and don't know why the cellphone doesn't download data. It kinda needs to refresh to get data again. Example I'm using facebook reading news and then start watching a video but the video doesn't download, I need to refresh facebook and then it works. My girlfriend has a Redmi Note 5 and this issue happens too. Anyone had this and how to resolve?
2º When I use an external DAC by usb otg the audio sometimes has some strange artifacts and noises. I can only use my DAC without problems with USB Audio Player Pro app since it bypasses android audio driver. Can I change some settings in order to resolve this problem and be able to use any audio app?
3º Is there an ETA for android 9 to be released?
Thanks for your attention.
Best regards!
2. I also use an external DAC from FiiO and it will work always good with following combination: USB Player Pro as you mention AND the good right cable. The cable Is the key. I use the very special small cable from FiiO and since then no problems. Search for the right cable.
Sent from my MI 8 Lite using Tapatalk
joliv said:
2. I also use an external DAC from FiiO and it will work always good with following combination: USB Player Pro as you mention AND the good right cable. The cable Is the key. I use the very special small cable from FiiO and since then no problems. Search for the right cable.
Sent from my MI 8 Lite using Tapatalk
Click to expand...
Click to collapse
I know that works with USB Audio Player Pro but I want to know is I can make it work with other apps too.
miguelfcp said:
I know that works with USB Audio Player Pro but I want to know is I can make it work with other apps too.
Click to expand...
Click to collapse
In my case, always have to start USB player Pro so that initializes the DAC. Then, after quiting the app, others can use it too, like poweramp or Tidal, Spotify.
Anyway for streaming and other apps, the built-in DAC is more than good enough to use, so I use it. Normally I use the DAC for high_resolution music files @24 but 96KHz and higher, in FLAC, DSD and MQA formats.
Sent from my MI 8 Lite using Tapatalk
joliv said:
In my case, always have to start USB player Pro so that initializes the DAC. Then, after quiting the app, others can use it too, like poweramp or Tidal, Spotify.
Anyway for streaming and other apps, the built-in DAC is more than good enough to use, so I use it. Normally I use the DAC for high_resolution music files @24 but 96KHz and higher, in FLAC, DSD and MQA formats.
Sent from my MI 8 Lite using Tapatalk
Click to expand...
Click to collapse
As far as I know android system bypasses internal dac when there is something conneted. USB Audio Player Pro has a proper driver to reproduce sound for external dac. The problem with USB Audio Player Pro is that a little expensive for an app to play music when there are tons of them which are free and maybe have more features.
The internal dac in my opinion is not that good enough. The sound sounds muffled and the amp is weak to drive headphones or in-ear phones with more impedance. I have an 1More Triple Driver and the sound from the internal dac suffers detail and power. With the DAC it becomes much better.
miguelfcp said:
As far as I know android system bypasses internal dac when there is something conneted. USB Audio Player Pro has a proper driver to reproduce sound for external dac. The problem with USB Audio Player Pro is that a little expensive for an app to play music when there are tons of them which are free and maybe have more features.
The internal dac in my opinion is not that good enough. The sound sounds muffled and the amp is weak to drive headphones or in-ear phones with more impedance. I have an 1More Triple Driver and the sound from the internal dac suffers detail and power. With the DAC it becomes much better.
Click to expand...
Click to collapse
Agreed, DAC + double or triple drivers earphones are much better and I use them as much as I can. Again, try to find the right cable, that will make the difference. And most probably you can enjoy with other apps too.
Sent from my MI 8 Lite using Tapatalk
joliv said:
Agreed, DAC + double or triple drivers earphones are much better and I use them as much as I can. Again, try to find the right cable, that will make the difference. And most probably you can enjoy with other apps too.
Sent from my MI 8 Lite using Tapatalk
Click to expand...
Click to collapse
Hi again.
One question can you tell me where to get a good usb otg cable?
miguelfcp said:
Hi again.
One question can you tell me where to get a good usb otg cable?
Click to expand...
Click to collapse
It shouldn't be an OTG cable. I bought it locally at digitec. Ch, but I'm sure you'll find it on China / other online stores. Mine is USB-C to USB-B, there's also BtoB. Attached photo
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