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Very Low in Call Volume (Solved)

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By nokkenas, Senior Member on 19th March 2017, 07:56 PM
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Hi guys, brand new OP3T over here. As soon as I receive this phone, I unlocked the bootloader, install TWRP, and root it. Currently I am running on Oxygen 4.1.0 and very happy with how how it performs. However upon my first phone call, I noticed that in call volume is way too low that I can't hear the other side properly, especially on busy area. Compared to my previous phone, Oneplus One, the OP3T in call volume is way too low.

Is there anyone with the same problem? How do you fix yours?
19th March 2017, 08:10 PM |#2  
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I had the problem and I solved easily but you need to be root. You have to take all sound on /system/media folder and amplify them on +8db. After this improvemement, sounds are high, and you can edit root/system/etc/mixer_paths.xml and change something like that, where 95 are the new high value (look for <path name="speaker">).
<path name="speaker">
<ctl name="SLIM RX1 MUX" value="AIF1_PB" />
<ctl name="SLIM RX2 MUX" value="AIF1_PB" />
<ctl name="SLIM_0_RX Channels" value="Two" />
<ctl name="RX7 MIX1 INP1" value="RX1" />
<ctl name="RX8 MIX1 INP1" value="RX2" />
<ctl name="RX7 Digital Volume" value="95" />
<ctl name="RX8 Digital Volume" value="95" />
<ctl name="COMP0 Switch" value="1" />
</path>

With this changes you will have a good quality with a high sound for incoming calls, notifications, whatsapp,...
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20th March 2017, 04:46 AM |#3  
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It works, thank you very much for the help!
20th March 2017, 06:58 AM |#4  
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How are you saving the edited mixer paths file on stock rooted? I'm getting remount errors. It won't save..
20th March 2017, 07:06 AM |#5  
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Quote:
Originally Posted by k.s.deviate

How are you saving the edited mixer paths file on stock rooted? I'm getting remount errors. It won't save..

I use Xplore (download from Google Play Store), go to configuration, set root access to "Superuser+Mount Writable"
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20th March 2017, 07:13 AM |#6  
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Quote:
Originally Posted by nokkenas

I use Xplore (download from Google Play Store), go to configuration, set root access to "Superuser+Mount Writable"

Thanks, worked perfectly.
6th May 2017, 06:29 PM |#7  
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Quote:
Originally Posted by aidrabmol

I had the problem and I solved easily but you need to be root. You have to take all sound on /system/media folder and amplify them on +8db. After this improvemement, sounds are high, and you can edit root/system/etc/mixer_paths.xml and change something like that, where 95 are the new high value (look for <path name="speaker">).
<path name="speaker">
<ctl name="SLIM RX1 MUX" value="AIF1_PB" />
<ctl name="SLIM RX2 MUX" value="AIF1_PB" />
<ctl name="SLIM_0_RX Channels" value="Two" />
<ctl name="RX7 MIX1 INP1" value="RX1" />
<ctl name="RX8 MIX1 INP1" value="RX2" />
<ctl name="RX7 Digital Volume" value="95" />
<ctl name="RX8 Digital Volume" value="95" />
<ctl name="COMP0 Switch" value="1" />
</path>

With this changes you will have a good quality with a high sound for incoming calls, notifications, whatsapp,...

only these two values or all the 84 values in the file to 95??
6th May 2017, 08:15 PM |#8  
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Quote:
Originally Posted by billamin

only these two values or all the 84 values in the file to 95??

Yes, just make sure yours looks like the sample provided...
27th June 2017, 06:59 PM |#9  
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For anyone with a Low In-Call voice handset volume problem. What this means is if you are on the phone with someone in a voice call with the phone up to your ear and not on speakerphone and you have a hard time hearing them, then you try to turn up the volume on the side of the phone but its already at max volume then try this.

TWRP-Low-InCall-Volume-Fix.zip >> https://www.androidfilehost.com/?fid=673368273298967516

This is a TWRP flashable file that corrects the file 'mixer_paths_tasha.xml' which is completely missing the entries to boost the volume.
I had this problem and it corrected it on most Oxygen OS based Roms.. I am using 'FreedomOS-CE-op3t-nevax-2.9-signed.zip' and its working SO GOOD!

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28th June 2017, 08:48 AM |#10  
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Anything specifically that would only affect call volume over a bluetooth connection? (car stereo or portable speaker for example)
2nd July 2017, 02:24 PM |#11  
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Quote:
Originally Posted by Creeper36

For anyone with a Low In-Call voice handset volume problem. What this means is if you are on the phone with someone in a voice call with the phone up to your ear and not on speakerphone and you have a hard time hearing them, then you try to turn up the volume on the side of the phone but its already at max volume then try this.

TWRP-Low-InCall-Volume-Fix.zip >> https://www.androidfilehost.com/?fid=673368273298967516

This is a TWRP flashable file that corrects the file 'mixer_paths_tasha.xml' which is completely missing the entries to boost the volume.
I had this problem and it corrected it on most Oxygen OS based Roms.. I am using 'FreedomOS-CE-op3t-nevax-2.9-signed.zip' and its working SO GOOD!

Thank you so much!
Works great on 4.1.6 OOS.
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