I can help with php. I'm net to this forum, what program/script need this code? What is your version of PHP, and what renders it? Also, please provide some of the logs so i know what you're saving. Let's do some debugging. Look at this code, and do 3 runs. each run wait a bit and note if log has ON ...

@Lomax, have you received the device yet? Their stereo recording does sound good. Not sure of the seller, though.