For recording from stereo line input or stereo mixer, On OnDataEvent, 8 bit recording stereo data byets are LRLRLRLRLRLRLRLRLRLR.
And can be seperated to 2 different stream as LLLLLLL, RRRRRRRR. then can written each stream to 2 different files.
But there is sync problem: incoming data is LRLRLRLRLRL or RLRLRLRLRL? how can be sure?
this soft uses this tech. to seperate recording from line input:
www.nch.com.au/vrs