A demultiplexer for
digital media
Digital media is any communication media that operate in conjunction with various encoded machine-readable data formats. Digital media can be created, viewed, distributed, modified, listened to, and preserved on a digital electronics device. ' ...
files, or media demultiplexer, also called a file splitter by
laymen
In religious organizations, the laity () consists of all members who are not part of the clergy, usually including any non-ordained members of religious orders, e.g. a nun or a lay brother.
In both religious and wider secular usage, a layperson ...
or consumer software providers, is
software that
demultiplexes individual
elementary streams of a media file, ''e.g.'',
audio,
video, or
subtitles
Subtitles and captions are lines of dialogue or other text displayed at the bottom of the screen in films, television programs, video games or other visual media. They can be transcriptions of the screenplay, translations of it, or informati ...
and sends them to their respective decoders for actual decoding. Media demultiplexers are not decoders themselves, but are
format container handlers that separate media streams from a (container) file and supply them to their respective audio, video, or subtitles decoders.
Notable file splitters
*
Microsoft AVI
Avi is a given name, usually masculine, often a diminutive of Avram, Avraham, etc. It is sometimes feminine and a diminutive of the Hebrew spelling of Abigail.
People with the given name include:
* Avi (born 1937), Newbery award-winning Americ ...
splitter - Part of
Microsoft Windows
Windows is a group of several proprietary graphical operating system families developed and marketed by Microsoft. Each family caters to a certain sector of the computing industry. For example, Windows NT for consumers, Windows Server for serv ...
.
* Haali Media Splitter - demultiplexes MP4 (
MPEG-4
MPEG-4 is a group of international standards for the compression of digital audio and visual data, multimedia systems, and file storage formats. It was originally introduced in late 1998 as a group of audio and video coding formats and related tec ...
), M2TS (
MPEG transport stream
MPEG transport stream (MPEG-TS, MTS) or simply transport stream (TS) is a standard digital container format for transmission and storage of audio, video, and Program and System Information Protocol (PSIP) data. It is used in broadcast systems ...
) and MKV (
Matroska) files.
*
FLV Splitter - demultiplexes
Flash video files.
*
Gabest splitter (part of
Media Player Classic) - demultiplexes e.g. 3GP, MP4
* LAV Splitter - part of the LAV Filters project (open source DirectShow media splitter and decoders).
*
libavformat (part of the
FFmpeg project) - demultiplexes many formats e.g. 3GP, ASF, AVI, FLV, SWF, M2TS, MKV, MOV, MP4, MPG, NSV, NUT, Ogg, RM, AIFF, AU, WAV, etc.
** e.g. used in
MPlayer and
GOM Player
*
libvlc (part of
VideoLAN project and
VLC Media Player) - demultiplexes many formats e.g. MPEG transport stream, MPEG program stream, MP4, MOV, 3GP, Ogg, OGM, ASF, WMV, WMA, MKV, FLV, etc.
*
Nero Splitter
*
Ogg DirectShow Filters
[Xiph.or]
Directshow Filters for Ogg Vorbis, Speex, Theora and FLAC
Retrieved 2009-09-02 - demultiplexes Ogg container
* tsMuxeR, using the Demux output option
* MP4Box, command line MP4 multiplexer/demultiplexer with GUIs like My MP4Box
Playback issues
Playback difficulties (such as no playback, no audio, or no video) may result from several or
legacy
In law, a legacy is something held and transferred to someone as their inheritance, as by will and testament. Personal effects, family property, marriage property or collective property gained by will of real property.
Legacy or legacies may refer ...
file splitters for a particular file format being installed on an
operating system. This causes
decoder-to-file-splitter mismatch resulting in playback failure on
media players.
See also
*
Container format
A container format (informally, sometimes called a wrapper) or metafile is a file format that allows multiple data streams to be embedded into a single file, usually along with metadata for identifying and further detailing those streams. Notab ...
*
Multiplexer
*
Multimedia framework
*
File spanning
References
External links
*
{{Compression Software Implementations
Broadcast engineering
Multiplexing
Free multimedia codecs, containers, and splitters