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What is the Difference between MTS and M2TS?
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MTS vs M2TS / M2TS vs MTS: What is the Difference between MTS and M2TS?

Author by Rocabella

Updated on Oct 13, 2023

When it comes to MTS and M2TS, it is very important to note that MTS and M2TS are both file extensions for AVCHD. They all play in great quality in 1080i directly on computers or a Sony TV using composite video or HDMI. But, what are the differences between MTS vs M2TS? Follow this article to know more. Besides, here is an MTS M2TS converter for fast format conversions:

MTS vs M2TS - Are You Confused by the Two Extensions?

Q: My Sony camera produces a .mts file during recording. After using the supplied PMB app, .m2ts files will be created after importing to my PC. As far as I know, MTS and M2TS have, in fact, the same file size. Are .mts and .m2ts files the exact same thing?

A: Make a long story short, MTS and M2TS can accommodate the same video and audio codecs, including H.264, MPEG4, AC3, and AAC. Both offer great video quality. Of course, there are differences in some aspects like their usage, playback, or compatibility. In the following section, let's take a closer look at the comparison of MTS vs M2TS.

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MTS vs M2TS in Common

MTS vs M2TS in CommonMTS vs M2TS in Common

Both MTS file and M2TS file are associated with video files using AVCHD format (MPEG-4 AVC/H.264 video coding and Dolby Digital audio AC-3 audio coding or uncompressed linear PCM audio). So, when it comes to AVCHD, there is no difference between the MTS and M2TS format other than the file name.

Related: XAVC S VS AVCHD | AVCHD VS MP4 | AVCHD Converter | AVCHD to YouTube

The Difference Between MTS and M2TS

1. M2TS vs MTS: Usage

MTS file will be generated on a camcorder after recording, but it will be changed to M2TS after being imported to computer. Simply speaking, MTS is used for recording video while M2TS is for storing video on a Blu-ray disc.

2. MTS vs M2TS: Carriers

Compared with MTS, M2TS can not only be used for high definition videos on AVCHD, is also a BDAV MPEG-2 Transport Stream container format which is a standard used on Blu-ray Discs for multiplexing audio, video and other streams.

3. MTS vs M2TS: Encryption

Almost all commercially produced Blu-ray Discs (includes M2TS files) are encrypted by copy protection methods while MTS files created using AVCHD devices are commonly unencrypted.

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4. M2TS vs MTS: Formats

In addition to supporting AVCHD format, M2TS used on Blu-ray Discs can support any one of H.262/MPEG-2 Part 2, H.264/MPEG-4 AVC or SMPTE VC-1 for video compression and Dolby Digital, DTS or uncompressed Linear PCM for audio compression.

5. MTS vs M2TS: Filename and Directory Structure

AVCHD is forced to use the 8.3 naming convention for saving the files located in the following sample directory.


While Blu-ray Discs can use long filenames and places M2TS files in the following sample directory.

(e.g. \BDMV\STREAM\00001.m2ts or \BDAV\STREAM\00001.m2ts)

In short, the above are the differences between MTS and M2TS in five aspects. MTS and M2TS files are perfect for anyone who wants to record, store and edit HD video in its purest form. These formats are widely spread, and more and more people now consider them to be the standard for HD video storage. After many years, it’s very meaningful to watch your recorded video again!

Convert MTS or M2TS Videos with the Best Video Converter

Convert MTS or M2TS Videos with the Best Video Converter

HD Video Converter Factory Pro

HD Video Converter Factory Pro is an easy-to-use yet powerful video converter that allows you to convert your MTS or M2TS videos. On the one hand, you can achieve mutual conversion between MTS and M2TS. On the other hand, you can choose to convert these two formats to other popular formats such as MP4, AVI, MKV, MOV, etc. for uploading or sharing.

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