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Changing Audio L/R Balance - A way to adjust left and right stereo audio levels
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randomConstant  
#1 Posted : Tuesday, February 22, 2022 12:36:39 PM(UTC)
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Hi all,

I was wondering if there is a way to directly change the audio levels of left and right sides of headphones(audio device) separately using S+

For example: have left side audio level 20 and right side audio level 22; it is helpful for people who have slight hearing issue on one ear.

I currently use this command to open Sound properties:
Code:
sp.RunProgram('rundll32.exe', String.raw` Shell32.dll,Control_RunDLL Mmsys.cpl,,0`, 'open', 'normal', false, false, false);


After that I have to open a sound device's properties, then go to the Levels tab, and then change levels from Balance menu.

There are some software like SimpleSndVol but it would be much better to do using S+ gestures. Also the levels get reset once volume is brought to zero so S+ is handy in changing them frequently.

Thanks
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Rob  
#2 Posted : Tuesday, February 22, 2022 5:39:56 PM(UTC)
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Managing sound in Windows is overly complicated, so there's not much built-in but what comes with CoreAudioDevice, which is a third-party library that is included with S+.

It's probably easiest to just shell out to a command line utility designed to handle it, for example:

https://www.nirsoft.net/articles/set-audio-balance-command-line.html

Edited by user Tuesday, February 22, 2022 5:40:51 PM(UTC)  | Reason: Not specified
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randomConstant  
#3 Posted : Wednesday, February 23, 2022 9:10:36 AM(UTC)
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Thanks for the quick feedback Rob

I came across this software but I thought it would need to be closed manually every time it ran.

Now, I tried it and it seems that the program starts, does the job, and then quickly closes on its own when using command line (as observed using process explorer)

So everything is good now I guess.. but still I have a noob question, how do you kill/close a program using S+? Confused
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Rob  
#4 Posted : Wednesday, February 23, 2022 2:34:01 PM(UTC)
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Assuming S+ is allowed to access the process, here are a few examples.
Code:
// Graceful way by process ID
var proc = System.Diagnostics.Process.GetProcessById(9836);
proc.CloseMainWindow();
proc.Close();

// Force kill by process ID
var proc = System.Diagnostics.Process.GetProcessById(9836);
proc.Kill();

// Graceful way by partial window title
var wnd = sp.WindowsFromTitlePartial("Untitled - Paint").First();
wnd.Process.CloseMainWindow();
wnd.Process.Close();

// Force kill by partial window title
var wnd = sp.WindowsFromTitlePartial("Untitled - Paint").First();
wnd.Process.Kill();
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thanks 1 user thanked Rob for this useful post.
randomConstant on 2/23/2022(UTC)
randomConstant  
#5 Posted : Wednesday, February 23, 2022 5:10:35 PM(UTC)
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Amazing!! Thanks a lot Rob Laugh
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soooulp  
#6 Posted : Wednesday, February 23, 2022 7:37:25 PM(UTC)
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Does it seems different to wnd.SendClose？
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Rob  
#7 Posted : Thursday, February 24, 2022 1:38:50 AM(UTC)
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SendClose() is usually sufficient and about the same.

Kill() is when you just want to force close an app, especially a command line app that doesn't have a window.
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