... Half-D1, CIF and QCIFUses G.726,G.711,ADPCM audio compression algorithm to make the sound more clearUses the most ... .264 Main Profile@Level 3.0 /MJPEG,optionalVideo Output 1 channels,support 4 split screenVideo Resolution Compatible with D1,Half ... can be setAudio Compression G.726Audio Input 1 channelTalkback Input 1 channel, MIC outputAudio Output 1 channels Linear output, RAC interfaceTitle OSD ...