video audio delay

It does not matter how I change the sync offset in the audio mixer, I keep getting a minimum of 1 second audio delay in my video captures. I've tried setting it from -950ms to +1000ms and everything in between and nothing fixes the audio delay. I can't find an answer on the forum so if you know...

So if I want to watch a move with friends via twitch, there is a audio and video delay ik that the stream delay cannot be removed but can I delay my video and audio (sync audio and video with stream)

Recently, I have experienced an issue where I find a lag in the video coming from my DroidCam source (using usb) and using my audio mixer (Yamaha MG10XU through usb). prior to this I had no lag while using DroidCam and the built in microphone (of my phone through DroidCam). But since the last...

Example, Video delay about 20 second while audio delay about 30 second. I did try 2 methods as photo attached. The result as what i mentioned. May i know what others thing i can do? Thanks