Increase audio volume from jack - Samsung Galaxy A21s Guides, News, & Discussion

Hello
I found way to increase volume from jack on A21s u need AOSP from Wer99, or other ROM with root, and method to edit files in /vendor/ directory like Solid Explorer app.
Maybe this way works only on European devices, because USA versions have not limited max volume by statutes.
File to edit is mixer_gains in /vendor/etc. You need to find section <gain-media-handset> and edit "DAC Gain" value, i set it to "150 150",
and <gain-media-headset> value "DAC Gain", i set it to "150 150" too.
On my phone volume from jack on headphones is much louder and enough for me, maybe with other values it can be louder.

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[Q] Which values to tweak in order to increase in-call volume (mixer_paths.xml)

Hello,
I have a rooted z2 and I would like to know which values to modify in the mixer_paths.xml file in order to boost the in-call volume, could you please help with this ?
Things that I already did:
- make sure that volume is already at its max during call
- try music app and noticed loud and clear sound so the speakers are fine
- tried several apps to boost volume to no avail
I have attached the file, please feel free to suggest which lines to edit

Enhance Headphone sound volume [NOUGAT] [7.0]

This is a simple modification to the MTK Settings
It's tested in the following roms: (might work on 6.0 but not sure)
- Stock Rom
- Eragon V1
What it does, it enhances the headphone's sound to its full potential
All you have to do is:
1: Enable Debug Options (settings, about phone, press build version several times, go back to settings and there should be a new option there, open it and close settings).
2: Download MTK Engineering Mode from playstore.
3: After Installing it, Open it and select MTK Settings.
4: Go on Hardware Testing - Audio - Volume - Audio Playback.
5: On 3/4-pole Headset set the Headset PGA to 160 and save.
6: Test and see the differences ?
It's a really simple modification, but if you have any questions, feel free to ask ?
hi, I did that but volume is still too low for me (I'm hard on hearing).
do you know which file contains those values, I would like to set it higher than 160 (I'm rooted)?
nidjo83 said:
hi, I did that but volume is still too low for me (I'm hard on hearing).
do you know which file contains those values, I would like to set it higher than 160 (I'm rooted)?
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you cant set to higher than that, and even if it could it would just degrade the speakers even more, causing to either malfunction or lose eveb more volume to a point of no returb... This is a modification to the earphones only, you can mess with the speakers and put on the max that the app allows, but thats it, anything above the limits will degrade the speakers.
Ruben Craveiro said:
you cant set to higher than that, and even if it could it would just degrade the speakers even more, causing to either malfunction or lose eveb more volume to a point of no returb... This is a modification to the earphones only, you can mess with the speakers and put on the max that the app allows, but thats it, anything above the limits will degrade the speakers.
Click to expand...
Click to collapse
thank you for your response!
sorry if I didn't make it clear; I was talking about earphones, not phone speaker. I want louder sound on my earphones!
I edited some volume file in vendor\etc folder, made headset PGA value to 250, but it didn't do anything...
nidjo83 said:
thank you for your response!
sorry if I didn't make it clear; I was talking about earphones, not phone speaker. I want louder sound on my earphones!
I edited some volume file in vendor\etc folder, made headset PGA value to 250, but it didn't do anything...
Click to expand...
Click to collapse
The 160 is the max volume.
So, if instead of applying for 3/4 pole Headset I apply it for Speaker label it will improve the sound on my Elephone speaker?
Mikystars said:
So, if instead of applying for 3/4 pole Headset I apply it for Speaker label it will improve the sound on my Elephone speaker?
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it might enhance, but the sound quality is already bad.. enhancing it even more will mostlikelly cause even more distortion

How to increase the earpiece speaker volume?

I know it's possible to increase the volume of the earpiece speaker by editing some mixer path xml files.
sooyongjie said:
I know it's possible to increase the volume of the earpiece speaker by editing some mixer path xml files.
Click to expand...
Click to collapse
I don't think so cause i have already tried doing that for headphones but didn't work.
Mine works when I switch to India or China Region for Global MIUI... I don't know why if its in PH region, volume is so low..
Tt

In-call volume (speakerphone) and Mic gain using Mixerpath.xml

Hi,
Does anybody here have the knowledge of editing mixerpath.xml for inceasing in-call volume and mic gain and increasing call CLARITY ???
I see that there are multiple mixerpath xmls in system/vendor/etc and also there are multiple "volumes" default value for all is 84.
I wen ahead and cahnged all 84 to 92 but i think thats not how it works.,
Some value is for top mic sensivity for noise cancellation and one is for real bottom mic sensitivity and one if for speaker voilume and one for earpiece volume.
If somebody with the knowledge can be kind enough to let me know what values are what?
TIA
I am months same question to this, a unique way to get and change the custom kernel that has the volume control configurable via the application kernel manager. I wanted to do the same manually in the file mixer xml as well, but it seems that nobody got it, or hides how to do it.

Help needed with mixer_paths

Hi!
I used to modify mixer_paths file to decrease in-call volume, because for me the lowest setting is still too high in many cases.
Under <path name="headset">, I would find a Digital Volume setting and substitute its number with a lower one.
However, I can't figure out how to achieve the same thing with XZ1. Under System/Vendor/Etc, there are two files: mixer_paths.xml and mixer_paths_tasha.xml. The first does not seem to do anything (the sounds of the phone did not change even after I renamed it). The second is being used by the phone, but in it under <path name="headset">, there is no Digital Volume variable. My attempts to guess which other values could be responsible for call volume thus far have been fruitless.
Do you have any ideas about how this setting could be altered in XZ1?
avamalka said:
Hi!
I used to modify mixer_paths file to decrease in-call volume, because for me the lowest setting is still too high in many cases.
Under <path name="headset">, I would find a Digital Volume setting and substitute its number with a lower one.
However, I can't figure out how to achieve the same thing with XZ1. Under System/Vendor/Etc, there are two files: mixer_paths.xml and mixer_paths_tasha.xml. The first does not seem to do anything (the sounds of the phone did not change even after I renamed it). The second is being used by the phone, but in it under <path name="headset">, there is no Digital Volume variable. My attempts to guess which other values could be responsible for call volume thus far have been fruitless.
Do you have any ideas about how this setting could be altered in XZ1?
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Bro, just flash an audio module from magisk. Faster solution.
@Tux111 Thank you for the suggestion! Which audio module is capable of decreasing in-call volume?
avamalka said:
@Tux111 Thank you for the suggestion! Which audio module is capable of decreasing in-call volume?
Click to expand...
Click to collapse
Its more of like "wich audio module modifes mixer path etc". Every module. Try sound enhanchement xperia 10 module or others.
Took a look at Sound Enhancement Sony Xperia 10 Magisk Module. It says:
Sound Enhancement FX can only be applied with Music apps that has external EQ option such as Xperia Music, Youtube Music, and Spotify. Not working with SoundCloud or Youtube app.
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It appears to be aimed at enhancing music playback. Am I missing something?
avamalka said:
Took a look at Sound Enhancement Sony Xperia 10 Magisk Module. It says:
It appears to be aimed at enhancing music playback. Am I missing something?
Click to expand...
Click to collapse
Everything aimed at enhanching is aimed to modifying.

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