MKV2AC3 is a simple tool that converts MKV with DTS to MKV with AC3 Audio. Does batch conversion. It only accepts MKVs sources ( for now ) and transforms : DTS to AC3, AAC to AC3, AC3 to AC3 ( normalized ).
The versatile video converter lets you convert MKV to AC3, convert multiple videos and audios, extract audios from videos and convert pictures to and from videos, as well as clip video.
MKV is also called Matroska. It is an envelope for which there can be many audio, video and subtitles screams, allowing the user to store a complete movie or CD in a single file.
AC3 is Audio Coding 3. The AC3 standard is being replaced with AAC, although AC3 will continue to live on for many decades due to the number of systems and networks which currently utilize it.