How to convert if my source video has multiple audio language tracks?
A. Multi-track HD video refers to a video file that contains multiple audio language track and video track. Usually, users choose their preferred language when watching movie videos. MacX iPhone Video Converter works perfectly on converting Multi-track HD video M2TS, MKV, AVCHD, HDTV BDAV and MPEG-TS video movies and the operation is quite simple. After importing the source video, select the specific audio track as you need as the following image shows. Then the steps are the same as converting general videos.