What in the World did this post do ..... Bro i was using Zorin 16.3 pro from past year and i had mic issue it didnt solve by anymeans. I gave up and thought of switching OS and you saved me thanks man this really helped......
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The first line was to use nano to open the Module Prober (Modprobe) ALSA configuration file.
The second line was to add an option for the module.
The options sets the parameters for the module to follow: Module parameters will determine how the driver will behave. The module in question is snd-hda-intel, so you see that specified next on the line.
Hardware on computers use their own "operating System" and do not run nor are governed explicitly by the operating system (Windows, GnuLinux or Mac) that you are using. The O.S. that you are using must use drivers to communicate with the hardware, rather than direct the hardware.
The model auto tells your audio drivers to read and take direction from the hardware programming and configurations rather than try to supply or assume its own configurations. This means that specifics of that hardware can run and assert itself instead of it being suppressed by the driver trying to run the show.
When set to auto, the driver is told to automatically detect the correct model of the sound hardware and configure itself based on it. For audio hardware where the specific quirks are not well-known or documented, the driver will use its internal heuristics and predefined configurations to initialize the hardware in the most compatible mode possible.