record digital audio with OSS

--quiet,-q 	be quiet
--help,-h 	print this text
--verbose,-v 	be verbose
--version,-V 	print binary version
--device=x,-d	which audio device (default: /dev/dsp)
--stereo,-S 	enable stereo
--mono,-M 	enable mono
--speed=x,-s	set speed (default: 44100)
--format=x,-f	set audio format (default: system default)
--length=x,-l	set length (default: 0 bytes)
--time=x,-t	set time (default: 1 second)
--buffer-size=x,-b	buffer size (default: 4096 bytes)
--channels=x,-c	set number of channels (default: 1)
--wave,-w 	use RIFF-WAVE file format (default: raw pcm)