record.bat

@echo off
REM Install Virtual Audio Cable https://vb-audio.com/Cable/
REM Enable go to VAC recording device and enable listening on default playback device
REM Have anything you want recorded set to output to VAC Input (playback device)
REM To find out your microphone device name use the following:
REM     ffmpeg -list_devices true -f dshow -i dummy

set microphone="Microphone (Yeti Stereo Microphone)"
echo Press q to stop
ffmpeg -v 0 -stats ^
	-f dshow -i audio=%microphone% ^
	-f dshow -i audio="CABLE Output (VB-Audio Virtual Cable)" ^
	-filter_complex amix=inputs=2:duration=longest ^
	-rtbufsize 128M -c:a libopus -vbr on -b:a 32k -ac 1 -vn -sn ^
	%date%-%time:~0,2%-%time:~3,2%-%time:~6,2%.opus

pause