... is a Muti-function SD-SDI video and de-embedded audio monitoring card,it supports up to 4 ... CVBS output. It has audio de-embedded function,andsupports 4 analog audio outputs and 4 audio meter monitoring simultaneously.Features:One ... audio meter monitoringEDH, freeze frame, black field detectionAudio loss, audio overload detectionAudio DBN Error,Parity Error,Checksum Error Detection video and audio ...