How to open AVCHD MPEG-2 transport stream .mts files
Have you had trouble opening the mts file on your computer? What are mts files? We explain what they are and recommend software that we know will open them.
What is mts file?
An mts file extension is used for video files in Advanced Video Coding High Definition format, often used in various camcorders. It is supported in most modern media players such as VLC player or Windows Media Player.
AVCHD MPEG-2 transport stream description
The mts file extension is associated with video files, that are used AVHCD (Advanced Video Coding High Definition) video format.
AVHCD video format was developed for tapeless camcorders. Video can ber recorded by camcorder, that is used mediums as DVD, hard disk drive, solid state disk (SSD) or memory cards (SD card, Memory Stick). Developers of the AVHCD are Sony and Panasonic. AVHCD format was introduced in 2006.
Now AVHCD video format use camcorder producers such as Sony, Panasonic, Leica, Canon, Hitachi and JVC (JVC uses AVHCD and own video format with file extension tod).
AVHCD video format uses MPEG-4AVC/H.264 (AVC) video coding. Maximal video resolution is 1080p. Audio is coded by Dolby Digital audio AC-3 codec. Some models of professional camcorders support audio in uncompressed linear PCM format.
AVHCD video format is designed to be full compatible with Blu-ray Disc video format. AVHCD video can be played in Blu-ray players without other encoding.
Sony and Panasonic uses some brand names for their professional or simplified versions of AVHCD. Panasonic uses AVHCD Lite brand name for camcorders with limited resolution of the captured video to 720p.
AVCCAM brand name is used by Panasonic for professional AVHCD camcorders. Sony uses NXCAM brand name for their AVHCD professional camcorder series.
Suggested software to open mts file

Media Player
Windows 11 default media player.

VLC media player
One of the most popular multi-platfom multimeda player
There are other MTS filename extensions with the same .mts suffix
mts - MadTracker sample file
Files with mts extension are used by MadTracker music tool. They include some stored audio samples.
mts - MetaCreations Streaming 3D Viewer file
Files with mts extension are used for Streaming 3D Viewer plug-in. They allow user to view 3D scenes created in Meta Creations application.
mts - Molecular Evolutionary Genetics Analysis tree session
Files with mts file extension are used by Molecular Evolutionary Genetics Analysis (MEGA) tree session format.
mts - Viewpoint iPix data
An mts file extension is related to the Viewpoint iPix software. An mts file contains data.