Question / Help SYNC USING ENGATO ENCORDER WITH CAMERA AND WEB CAMS

[MASTERkEN316]

I USE A ENGATO DECODER AND HAVE IT SNYCED PERFECTLY BY SETTING AUDIO DELAY TO 1000 BUT MY WEB CAM 920 i CAN NOT SNYC ANY IDEAS i USE ONLY ONE LINE IN AUDIO, ALL WEB CAMS AUDIO IS DISABLED