How change microphone volume in Win3.1/3.11

It is easy to use microphone volume control in a Win32 program by mixer API. How to control microphone volume in a Win3.1/3.11 program (under Win3.1/3.11) that must be compatible with difference sound card drivers?
   
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vladimir_12345Asked:
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chensuCommented:
Unfortunately, there is no standard API to do so in 16-bit world. You have to use specific function calls related to the sound card drivers.
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vladimir_12345Author Commented:
Hi Chensu! Thanks for your quick reply.
But from where I may get info about Win3.1/3.11 microphone control API for the most popular sound card drivers?
I have not found in Internet anything. I think that in general
used SB and MSS standards.
Best Wishes, Vladimir_12345

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chensuCommented:
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vladimir_12345Author Commented:
Thanks, Vladimir_12345
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