How to Convert MKV DTS to AC3/AAC

By Emily Watson, Wednesday, August 26, 2015

DTS (Digital Theater Systems) and AC-3 (Dolby Digital) are two most famous audio codec used in professional cinema and home theater system to record and play back multi-channel high-definition audio. However, sometimes MKV files with DTS audio won't play on some HD TV like LG and Samsung smart TV. Also, many media player like Windows Media Player, QuickTime player and VLC won' play DTS audio or MKV video with DTS surround sound too. In this case, we usually need to convert MKV DTS to AC3 (5.1) or convert DTS to AAC.

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Part 1: Best DTS Converter for Mac or Windows

FonePaw Video Converter Ultimate is all you need to convert MKV audio to AC3 or AAC. With this software, you can convert DTS audio to AC3, AAC, MP3, M4A, FLAC, etc easily and fast. You can also merge multiple video/audio clips into one, cut off unwanted part and convert MKV to any video you need for playback on portable devices.

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The following guide will show you how to convert DTS to AC3/AAC step by step. You can download the trial version of FonePaw Video Converter Ultimate first.

Part 2: How to Convert DTS to AC3/AAC

1. Add DTS files to the video converter

After launching the program, click "Add File" to upload MKV DTS video files or DTS audio files to the program.

Add MKV DTS Files

2. Set output format

Click the drop-down list of the "Profile" to select "MKV Video Format (*.mkv)" from "General Video" Category.

If you aims to convert DTS audio to AC3/AAC/MP3 only, in the "General Audio" category choose "AC3 – Dolby Digital AC-3 (*.ac3)", "AAC – Advanced Audio Coding (*.aac)" or "MP3 – MPEG Layer-3 Audio (*.mp3)" as the output format.

Set Output Format for Files

3. Customize Audio settings

Click on "Settings" button, and the following window will  pop up, which enables you to adjust video and audio parameters including codec, aspect ratio, bit rate, frame rate, sample rate, etc. Here you set Audio codec as AAC and choose 5.1 channels from "Channel" drop-down.

Customize Audio and Video Files

4. Start converting DTS to AC3

Press on "Convert" button to start converting DTS or MKV with DTS sound to AC3 5.1, AAC, or MP3, on Mac or Windows.

Start Converting DTS to AC3 AAC

Conclusion

With FonePaw Video Converter Ultimate, you can easily convert MKV in DTS audio to MKV AC3 or MKV AAC. You can also convert MKV to any video format like MP4, AVI, FLV, and MOV to play MKV on iPad, iPhone, PSP and more media players.

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Knowledge Base: Main Differences between DTS and AC3

• DTS, the short form of Digital Theatre Systems, is a series of multi-channel audio technologies, while AC3 is short for Audio Coding 3, a file extension for files that have surround sound and are used on DVDs.

• Sound quality of DTS is slightly better than AC3.

• DTS is clearer and sharper compared to AC3 according to some.

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