http://www.wansview.com173.1.2. Audio parametersFigure 11The camera supports G.711 and G.726 audio encoding format. The sound of the G.711 isbetter, but it occupies more bandwidth. If you click “On” of the audio capture, so it willtransmit audio in corresponding video stream. Please open the audio here, should youhear the sound when clicking audio play button in figure 4-1.3.1.3. Image parametersFigure 12You can select “close” to disable IR LED when you don’t need it. At night mode, it will cutframe rate automatically to enhance night vision at night when you select “on”.