Preston Gralla from PCWorld indicated that "HandBrake isn't necessarily the easiest program to use. Beginners should stick with the defaults, although advanced users will be pleased at the number of options." Here I will recommend you the simplest method to solve Handbrake audio lag problem: you can try WonderFox DVD Video Converter. It is the best HandBrake alternative that can deal with all HandBrake sound out of sync problems easily.
Significantly, this DVD Video Converter is able to convert discs to digitals and also, download YouTube videos and convert video files to almost all formats or devices without audio video out of sync issue. No need to do any complicated settings since this software has been designed to provide smart fit for all your video conversions and DVD ripping. Besides that, the converting/ ripping steps are extremely simple, just follow the guide you can easily master the whole process.