Can't change audio codec for bluetooth - Honor 9 Questions & Answers

Hello guys. I have Honor 9 with Android 7.0 and EMUI 5.1 on it. And i can't change audio codec for bluetooth because this option is nowhere to be found in developer options. I have my headphones connected, but it doesn't work. No options for bluetooth audio. Weird.

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Does Oreo add APTX?

Hiya,
I've read many pages stating that Oreo in general adds support for a lot of additional bluetooth audio codecs like APT-X, however does this apply for the Honor 9? If anyone has Oreo and APT-X headphones could they check?
Thanks
It should support, in developer settings you can choose from aptX and even aptX HD.
In developer settings the options are there (SBC, AAC, aptx, aptx HD, LDAC) but are not selectable (on my Honor 9). So I think Oreo has the option but Honor 9 has not the required hardware/firmware support.
The other device also needs to support the codec of course, and you can only select the codec if you are connected to a device that supports it. When I connect to my Sennheiser headphones it automatically selects aptX.
As mannte said: You must have headphones that support Aptx (HD) codec as well. I have Marshall Major 2 and AptX work just fine.

How to change audio bluetooth codecs in Android Nougat.

Hello guys,
I have a Note 5 and want to listen to music via my Bose QC 35 II. As these headphones only support SBC, which is quite basic and the slightly better AAC codec, no Aptx streaming is possible. It is sad that the good sounding aptx is not available, so i wanted to get the best out of it and try to listen with the aac codec. Unfortunately, it is only possible to manually change the bluetooth codec in Android Oreo. Is there a way be it an additional app or similar actions to manipulate the bluetooth audio codec even in Android Nougat?
Thanks in advance*

Histen with Bluetooth

Is it possible to make Histen work with Bluetooth headphones? It would be nice to have equaliser settings but that only seems available with the supplied usb headphones.
I wish that they add this in Emui 9 final version.

Anyone successfully enabled LDAC bluetooth codec?

Since this is an Android One device and both Qualcomm's aptX & Sony's LDAC bluetooth codec is nativly supported in the AOSP code from Android 8.0 and up, I find it strange as to why LDAC seems to be disabled!
I tried to hook it up to my LDAC supported bluetooth speaker but it reverts to AAC, and I can also chose SBC ofc. Speaker doesn't support aptX but my headphones do and it works fine too.
My guess is that it supports SBC, AAC, aptX only.
I checked the system files and the libs for LDAC is there. I've tried to enable it with build.prop edit, tried different libs, but all without luck.
Why disable something like that? I know that it works fine on Motorola One Power after asking in their telegram group.
Have anyone else tried to enable it on Motorola One?

Change to aptx HD does not work

I have tried several ways to change the Bluetooth codec to aptx hd on my mate 10 pro. I have a pair of aptx compatible Sennheiser headphones.
But in the developer Bluetooth options the changes does not seem to stick.
When the headphones are paired i can not change anything. It jumps to aptx automatically.
If i disconnect i can change all the Bluetooth audio settings. But the change back as soon as i leave the developer settings or connect my headsett.
Help please!
No fix available. Emui8 has had this issue forever. Just be glad that your device goes to aptx.

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