¿Qué es M2TS? Transmisión de transporte BDAV de Blu-ray explicada

M2TS es el contenedor de transmisión de transporte BDAV MPEG-2 utilizado en discos Blu-ray y cámaras de video AVCHD para multiplexar video HD, audio y subtítulos.

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¿Qué es M2TS? Transmisión de transporte BDAV de Blu-ray explicada

El contenedor de Blu-ray y AVCHD basado en un flujo de transporte MPEG-2 modificado.

Última actualización:

Year2006
TypeTransport stream container
UsageBlu-ray, AVCHD

What is it?

M2TS is the filename extension for the BDAV (Blu-ray Disc Audio/Video) MPEG-2 Transport Stream container format. It is the format used to store the multiplexed audio, video, and subtitle streams on Blu-ray discs and AVCHD camcorder recordings.

M2TS uses a modified MPEG-2 transport stream in which each 188-byte transport packet is prefixed with a 4-byte timestamp, producing 192-byte packets. On Blu-ray the streams are commonly H.264/AVC or MPEG-2 video with Dolby Digital, DTS, or LPCM audio; AVCHD restricts this to H.264 video with AC-3 or LPCM audio.

Technical Specifications

DeveloperBlu-ray Disc Association; Sony and Panasonic (AVCHD)
File Extension.m2ts (also .mts)
MIME Typevideo/MP2T (no official registration)
Released2006
TypeBDAV MPEG-2 transport stream container

Pros & Cons

Advantages

Soporte de alta definición

Designed to carry full HD H.264 and MPEG-2 video used on Blu-ray and AVCHD media.

Flujos multiplexados

Combines video, multiple audio tracks, and subtitles in a single synchronized stream.

Resiliencia de grado de transmisión

The transport-stream foundation is built for robust, continuous playback and seeking.

Estándar de la industria para discos

It is the native, well-defined format for Blu-ray and consumer AVCHD recording.

Disadvantages

Soporte limitado de software para consumidores

Many basic media players and editors do not handle M2TS without extra codecs or conversion.

Vinculado a estructuras de disco

Files often depend on accompanying BDMV/AVCHD folder structures and playlists.

Incómodo para editar y compartir

Users frequently transcode M2TS to MP4 for general use and online distribution.

When to Use It

M2TS is encountered mainly in HD optical disc and camcorder contexts.

Discos Blu-ray

Stores the main feature and bonus content within the BDMV STREAM folder.

Cámaras de video AVCHD

Consumer HD camcorders record clips as M2TS (or MTS) files.

Archivado en HD

Preserving high-definition footage in its original disc-native container.

How to open a M2TS file

M2TS files, commonly associated with Blu-ray Discs, require specialized software for effective handling. The software landscape includes professional-grade tools, free and open-source options, browser-based applications, and built-in media players. Professionals may prefer robust software with advanced editing features, while casual users might opt for free or built-in solutions for simple playback.

When choosing software for M2TS, key factors include fidelity of playback, capabilities for editing versus viewing, cost, and platform compatibility. Users should consider whether they need extensive editing features or just playback, as well as the potential need for exporting to other formats. In some cases, converting M2TS to a more widely supported format may be advantageous for compatibility.

VLC Media Player 3.0.16

Windows, macOS, LinuxFree (GPL)

VLC Media Player is a versatile open-source media player that supports M2TS playback. It offers high fidelity for viewing M2TS files without the need for additional codecs, making it a reliable choice for users looking for straightforward playback.

Funciones clave
  • Supports a wide range of video formats
  • No additional codec installation required
  • Customizable playback speed and subtitles
  • Network streaming capabilities
  • Cross-platform compatibility
Fortalezas
  • Completely free and open-source
  • Lightweight and easy to use
  • Regular updates and community support
Limitaciones
  • Limited editing capabilities
  • User interface may be less intuitive

Exporta a: MP4, AVI, MKV, MOV

Ideal para: Choose VLC for reliable M2TS playback without cost, ideal for casual users.

Visitar VLC Media Player →

Adobe Premiere Pro 2023

Windows, macOSSubscription

Adobe Premiere Pro is a professional video editing software that supports M2TS files for both editing and exporting. It provides high fidelity and extensive editing tools, making it suitable for filmmakers and content creators who need to manipulate M2TS footage.

Funciones clave
  • Multi-track editing with timeline support
  • Advanced color correction tools
  • Support for 4K and higher resolutions
  • Integration with Adobe Creative Cloud
  • Extensive format export options
Fortalezas
  • Professional-grade editing features
  • Seamless integration with other Adobe apps
  • Regular updates with new features
Limitaciones
  • High subscription cost
  • Steeper learning curve for beginners

Exporta a: MP4, MOV, AVI, WMV, FLV

Ideal para: Select Adobe Premiere Pro for comprehensive M2TS editing and professional output needs.

Visitar Adobe Premiere Pro →

HandBrake 1.6.1

Windows, macOS, LinuxFree (GPL)

HandBrake is an open-source video transcoder that can convert M2TS files into various formats. It is particularly useful for users looking to compress or convert M2TS files for compatibility with different devices.

Funciones clave
  • Batch processing for multiple files
  • Customizable output settings
  • Support for various codecs
  • Built-in presets for devices
  • Preview feature for quality checks
Fortalezas
  • Free and open-source with no ads
  • Effective for file compression
  • User-friendly interface for conversions
Limitaciones
  • Limited editing features
  • May require additional codecs for some formats

Exporta a: MP4, MKV, WebM, AVI

Ideal para: Use HandBrake for converting M2TS files efficiently, especially for device compatibility.

Visitar HandBrake →

CyberLink PowerDirector 20

Windows, macOSOne-time $99.99

CyberLink PowerDirector is a user-friendly video editing software that supports M2TS files. It offers a balance of powerful editing tools and ease of use, making it suitable for both beginners and experienced editors.

Funciones clave
  • 360-degree video editing capabilities
  • Motion tracking and stabilization
  • Multi-camera editing support
  • Rich library of effects and transitions
  • Fast rendering speeds
Fortalezas
  • Intuitive interface for quick learning
  • Comprehensive editing features
  • Affordable one-time purchase option
Limitaciones
  • Limited advanced features compared to competitors
  • Occasional performance issues with large files

Exporta a: MP4, AVI, WMV, MKV, MOV

Ideal para: Choose CyberLink PowerDirector for a balance of usability and M2TS editing features.

Visitar CyberLink PowerDirector →

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References

  1. MPEG-2 Transport Stream for Blu-ray Discs (BDAV) and AVCHD - Library of Congress
  2. .m2ts - Wikipedia
  3. MPEG-2 Transport Stream - Library of Congress