Help in boosting in-call volume (Oneplus 7 Pro - Android 9) - General Questions and Answers

Am running Pie 9.5.5. Anyone knows which of the three Mixer_Paths files (under vendor/etc) is the one to edit the paths line or lines to boost the in-call volume so I can hear the caller louder.

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cipri_m78 said:
I have rooted samsung tab a T285 LTE with android 5.1.1, and i want to increase the volume of the headset, i don't find mixer_gain in system/etc folder to modyfi the volume.
It is any way to bost the headset volume?
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There are a bunch of values you can tweak under /system/etc/tiny_hw.xml. I don't know if these work and I haven't tried this personally myself, if it does help do post feedback.
jedld said:
There are a bunch of values you can tweak under /system/etc/tiny_hw.xml. I don't know if these work and I haven't tried this personally myself, if it does help do post feedback.
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Hi, just curious how do you know its that xml (tiny_hw.xml)?
I understand that different device different xml. My point is its not a standard xml for all android device.
Fyi i havent tried but would like to increase the volume of speaker.
Update. I edited the value of HPL volume and HPR volume from 8 to 10 and SPKL volume and SPKR volume from 10 to 15.
Much louder now, more clarity i can say than the default one.
Heres the screenshot
fuadhdmini said:
Hi, just curious how do you know its that xml (tiny_hw.xml)?
I understand that different device different xml. My point is its not a standard xml for all android device.
Fyi i havent tried but would like to increase the volume of speaker.
Update. I edited the value of HPL volume and HPR volume from 8 to 10 and SPKL volume and SPKR volume from 10 to 15.
Much louder now, more clarity i can say than the default one.
Click to expand...
Click to collapse
yes, this is not standard xml, this only applies for spreadtrum based devices which the T280 and T285 is based on.
Thanks for trying it out. I will also try those values out myself and set it as the default for my future builds if it works.

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Mixer_Paths mod for in-call volume boost

Am running Pie 9.5.5. Anyone knows which of the three Mixer_Paths files (under vendor/etc) is the one to edit the paths line or lines to boost the in-call volume so I can hear the caller louder.

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