What's "Mono audio" on vince? - Xiaomi Redmi Note 5 / 5 Plus Questions & Answers

Hi devs,
As you know, the Redmi note 5 does not support a Stereo speaker system but then I came across the "Mono audio" setting in the Accessibility menu. I have tested this and it appears to act as an Amplifier then a stereo/mono toggler. This was not the case on a Mi Max 2. What do you guys think about it? Here is the audio track i used to demonstrate this.

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Problem with bluetooth settings/ codecs

Hello, I have a rooted lg v30 running boombox rom v.0.10.
The main reason I decided to buy the lg v30 was it superior audio quality. I also have LDAC supporting bluetooth headphones from sony so I was waiting quite eagerly for the LDAC support coming with oreo. I just learned today that there are additional bluetooth settings within the developer settings section.
But to my bewilderment I cannot change the settings to a higher quality. I mean I can choose the LDAC codec and the higher sampling rate but at the moment I connect the phone with the headphones it switches back to lowest standard settings... I installed the sony connect app to look if there was something to change there but it also did not show LDAC as an option after connecting to the phone. I am quite annoyed. Any Ideas what the problem could be? Is there a notification when a LDAC bluetooth connection is successfully established?
Thank you.
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ronnbon said:
But to my bewilderment I cannot change the settings to a higher quality. I mean I can choose the LDAC codec and the higher sampling rate but at the moment I connect the phone with the headphones it switches back to lowest standard settings... I installed the sony connect app to look if there was something to change there but it also did not show LDAC as an option after connecting to the phone. I am quite annoyed. Any Ideas what the problem could be? Is there a notification when a LDAC bluetooth connection is successfully established?
Thank you.
Click to expand...
Click to collapse
Ignore the app, it's completely unnecessary. Every time you connect your headphones, the settings are restored to default. Go to the bluetooth settings of your headphones before pairing them and change the 'Connection type' from Most stable to Best sound quality. This sets the highest quality codec your headphones supports as default. Go to Developer Options and change the sample rate to 44.1k or 48k and the LDAC Codec: Playback Quality to "Optimized for Audio Quality". Should have all settings stay supporting the max spec of both devices and software like Viper4Android. When you connect your headphones after doing this, a notification will appear at the bottom saying LDAC quality is enabled.
XCaliburX said:
Ignore the app, it's completely unnecessary. Every time you connect your headphones, the settings are restored to default. Go to the bluetooth settings of your headphones before pairing them and change the 'Connection type' from Most stable to Best sound quality. This sets the highest quality codec your headphones supports as default. Go to Developer Options and change the sample rate to 44.1k or 48k and the LDAC Codec: Playback Quality to "Optimized for Audio Quality". Should have all settings stay supporting the max spec of both devices and software like Viper4Android. When you connect your headphones after doing this, a notification will appear at the bottom saying LDAC quality is enabled.
Click to expand...
Click to collapse
Thank you for your help - unfortunately that did not work for me. Like I said before I can choose the settings within the developer section before I connect with the headphones but the moment the bluetooth connection is established the settings switch to AAC ( which is not bad but it is not LDAC) and 44.1khz/16bits.
There is no notification regarding LDAC...
I updated the smartphone firmware yesterday to rule out some software related problems.
By now I am not sure if the problem rather originates from the headphones (wh-h900n) than the smartphone. Given that I just have one device that supports LDAC and one pair of LDAC headphones I don't know how I can determine which one is maybe not correctly working. [emoji52]
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Answer
ronnbon said:
Hello, I have a rooted lg v30 running boombox rom v.0.10.
The main reason I decided to buy the lg v30 was it superior audio quality. I also have LDAC supporting bluetooth headphones from sony so I was waiting quite eagerly for the LDAC support coming with oreo. I just learned today that there are additional bluetooth settings within the developer settings section.
But to my bewilderment I cannot change the settings to a higher quality. I mean I can choose the LDAC codec and the higher sampling rate but at the moment I connect the phone with the headphones it switches back to lowest standard settings... I installed the sony connect app to look if there was something to change there but it also did not show LDAC as an option after connecting to the phone. I am quite annoyed. Any Ideas what the problem could be? Is there a notification when a LDAC bluetooth connection is successfully established?
Thank you.
Click to expand...
Click to collapse
Answer:
1. Uninstalls that Sony Music Center (song pal) app
2. Remove your Sony LDAC headphones from your BT settings.
3. Pair your headphones again with your phone.
4. Go into BT settings. Click on the cog wheel next to your headphone device.
5. Choose Audio Quality over Stable connection.
6. You are all set.
Note. There is a toast message that appears once you're connected and established LDAC connection.

Recording in stereo

Hi!
How to use two microphones in a sound recording?
For Redmi Note 3 there was a patch for disabling noise reduction and turning the recording in stereo.
It contained the files "MTP_General_cal.acdb, MTP_Global_cal.acdb, e.t.c., which I replace on the redmi note 5.
I managed to get stereo, but it had a negative effect on recording voice messages in messengers.
Who can help me?

Switch audio output

Hey guys,
I have recently switched from Oneplus 6 to Mate 20 Pro and the only feature I am missing so far is the lack of option to switch media output between devices (e.g.: from bluetooth headphones to speaker for example, without turning off bluetooth).
Is there any way this can be done? I have tried also with 3rd party apps such as Lesser AudioSwitch but I couldn't make it work...
Thanks!

Samsung dual audio

Hello,
For a past week I have been trying to force audio only through one bluetooth device while dual audio selected. My goal is to add delay between two speakers, but I haven't been able to force an audio through one speaker. Another approach I tried, was to disable dual audio and just trying to use MediaPlayer.setPreferredDevice(), but if you create more than one instance of it with different speakers, the audio only plays on the first speaker. I have been wondering - is it possible or am I just waisting my time?
I am using galaxy s8 android 9.0 for testing

Mate 20 PRO - No APTX for wireless earbuds

I recently bought a pair of earbuds only to realize mate20 pro does not support APTX.
Launched developer settings, did not find APTX to be available under bluetooth codec when i paired my earbuds.
Can anyone else confirm on this? Emailed huawei, only for them to neither deny or confirm the missing driver. Huawei only mentioned that they will look into the matter.
I have a SHIVR and a SoundPeats bt headset/phone, both working with aptx , no problem under 9.1 or 10. Maybe headset fault?
Hi I have sabbat e12 ultra no problems with aptx
Its using aptX HD if device supports it, and falling back to regular aptX the rest conditions. There's no toggle, its not controllable manually.

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