Tuesday, November 30, 2010

Audio Video Converter

A media container format (or sometimes called the package format) is a format that can contain different types of data, such as audio and video data. Data compression codec used.

Codec (a codec compound) is an algorithm used to compress and / or decompression of the multimedia data stream to reduce the number of bytes required to store or send.

Some containers limited to audio format, such as WAV files for Windows, AIFF format for Mac and XMF, some only a static image such as FITS, and TIFF. Have a flexible container that can accommodate many types of audio, video and other media, such as ASF files for Windows, MP4 and Matroska's. The most common media container:

* 3GP - Mobile
* Amateur - standard containers for WMA and WMV
* The AVI - the standard Windows container
* Matroska - the open standard container
* The MPEG - standard containers for MPEG - 1 and MPEG - 2
* The MP4 - standard containers MPEG - 4
* Ogg - free and open standard container format, Vorbis codec (audio) and Theora (video)

Different container formats come from the difference between the five (5) major issues:

* Popularity. Broad support of the container.
* Overhead. For example: a two-hour movie may 3MB larger than the AVI in the Matroska (MKV's.) Overhead is the difference between a 3MB of AVI and MKV.
* Support the new codecs and features. Some of the older codec container format does not support features such as VBR audio, and B frames.
* Subtitles, chapters, meta tags, and user data support.
* Support for streaming media.

Here is a popular container format different today (from Wikipedia).

3GP
Support for B frames; variable bit rate audio; variable frame rates; 3GPP timed text captions to support the MPEG - 4 Part 2, H.263, and the H.264/MPEG-4 AVC video formats, support for AAC, AMR - NB's, AMR, the World Bank and AMR - the World Bank, the HE - AAC and HE - AAC format audio format 2

Advanced Systems Format
Support for B frames, chapters, subtitles, and metadata / tags, variable bit rate audio; variable frame rates; supports almost all video formats, or through the DMO of the VFW's; supports almost all audio through ACM or DMO's

The AVI
Support for B frames; variable bit rate audio; variable frame rates; chapters and subtitles are modified by a third party, supports almost all video format, through the VFW, and supports almost all audio format through the ACM

The Matroska (MKV's, MKA)
Support for B frames, chapters, subtitles, and metadata / tags, variable bit rate audio; variable frame rate, supports almost all video and audio formats

MPEG video files (MPG's MPEG) of the
Support for B frames; variable bit rate audio; variable frame rates; support MPEG - 1, MPEG - 2 video format; support MPEG - 1 Layer Ⅰ, Ⅱ, Ⅲ (mp3) audio format, other formats only in the private stream

The MP4
Support for B frames, meta / labels and menus; variable bit rate audio; variable frame rates; chapter one) track in the specially formatted text, and b) the user data atoms can not work with sceneDescription, or segmentDescriptor; ttxt and Si iron construction subtitles, subtitles do not work with the private objectTypeIndication VobSubs and sceneDescription, support Dirac's H.263, MPEG - 4 of the ASP, the H.264/MPEG-4 AVC's, VC - 1 of, and other video formats; Support AC - 3, ALS, Apple Lossless, SLS MPEG - 2 / 4 (Ho) - AAC format, MPEG - 1 / 2 Layer I, II, III (MP3 player), Vorbis (private objectTypeIndication), etc. Audio format

Auger
Support for B frames, chapters, and writs and Ogg Ogg Kate subtitles; variable bit rate audio; variable frame rates; supports almost all video formats, supports almost all through the VFW and audio formats, through the ACM.

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