Audacity Forum

Use the Compressor effect. http://manual.audacityteam.org/man/Compressor

That is referring (primarily) to Windows. The same set-up will work on some versions (mostly old versions) of Linux, but does not usually work on modern Linux distributions because PulseAudio has an alternative (better) way of routing sound. Unfortunately most current Linux distributions do not by d...

Now that you know where everything is supposed to go, it may be as well to delete your current "help" folder and start again. The latest version of the manual should be downloaded from here: http://manual.audacityteam.org/man/Unzipping_the_Manual Note that the manual is a "work in pro...

Software Playthrough should be off.

If you want to hear the record while it is recording, the usual way is to connect the analogue outputs of the turntable to an amplifier or powered speakers.

Not quite in the right place.
should show: You have the help files (all of those .html files) in : but they should be in:

I have started a wiki page here: http://wiki.audacityteam.org/wiki/Proposal_Noise_Removal there are some sections that I think are needed: I think I have covered most of those points, but I have done so following the standard wiki Proposal format. I'll upload, or link to some suitable test samples s...

Audacity projects are not audio files. There are two parts to an Audacity Project. There is the "Audacity Project File", which has the file extension ".AUP", and there is the audio data that the project uses. When recording, the audio data is put into a folder that ends with &quo...

Although you can't "grab" the track in Audacity as you can in Gimp, you can use "Shift+Mouse Wheel" to scroll left/right, and "Ctrl+Mouse Wheel" to zoom in/out.

Which version of Windows are you using?
Do you have the Zoom R16 configured as the default recording device in the Windows Control Panel?

I think you will probably find it easier to integrate your program with SoX than with Audacity.
http://sox.sourceforge.net/
http://linux.die.net/man/1/sox
http://sox.sourceforge.net/sox.html