3GPP2, for CDMA-based phones.

3GPP, for GSM-based phones.

Advanced Streaming Format or Active Streaming Format, it is Microsoft's proprietary digital audio/digital video container format.

Advanced Audio Coding (AAC) is a powerful and flexible standard for compressing, encoding and delivering audio format.

Audio Video Interleave, known by its acronym AVI, is a multimedia container format introduced by Microsoft in November 1992 as part of its Video for Windows technology.

A common file extension of Adaptive Multi-Rate Wideband (AMR-WB),which is a patented wideband speech coding standard developed based on Adaptive Multi-Rate encoding, using similar methodology as Algebraic Code Excited Linear Prediction(ACELP). 

File extension of Dolby Digital, which is the name for audio compression technologies developed by Dolby Laboratories.

The Au file format is a simple audio file format introduced by Sun Microsystems. The format was common on NeXT systems and on early Web pages. 

The Adaptive Multi-Rate (AMR or AMR-NB or GSM-AMR) audio codec is an audio data compression scheme optimized for speech coding.

Digital Video Express, a brand name of products created by DivXNetworks, Inc.

Enhanced Video Object, it is a container format for HD DVD video media.

Free Lossless Audio Codec, is a codec (coder-decoder or compressor-decompressor) which allows  digital audio to be losslessly compressed  such that file size is reduced without any information being lost

Flash Video, An FLV file encodes synchronized audio and video streams. The audio and video data within FLV files are encoded in the same way as audio and video within SWF files.

 Graphics Interchange Format, it is a bitmap image formatthat was introduced by CompuServe in 1987 and has since come into widespread usage on the World Wide Webdue to its wide support and portability.

MPEG transport stream. High-definition video on a DV cassette tape, originally developed by JVC and supported by Sony, Canon and Sharp.

High definition video file type, AVCHD video file type. M2ts files are raw AVCHD videos recorded using Sony, Panasonic, Canon and other brands of AVCHD camcorders.

MPEG-1 or MPEG-2 Audio Layer III, it is an encoding format for digital audio  which uses a form of lossy data compression

MPEG-4 files with audio and video.

Matroska video file with subtitles and audio.

Tapeless video formats (Standard Definition) used by JVC, Panasonic and Canon in some models of digital camcorders.

QuickTime multimedia file format.

MPEG-1 or MPEG-2 Video

MPEG-2 Video

MPEG-4 Video

MPEG-4 Video

A filename extension of MPEG-4 Part 14,which is a digital multimedia format most commonly used to store video and audio, but can also be used to store other data such as subtitles and still images.

Please refer to .m2ts.

It is the file extension for SMAF(Synthetic music mobile application format ) and common as ringtones for mobile phones with one of five sound chips.

QuickTime multimedia file format.

RealMedia Variable Bitrate, a variable bitrate extension of the RealMedia multimedia container format developed by RealNetworks.

Tapeless video formats (High Definition) used by JVC, Panasonic and Canon in some models of digital camcorders.

MPEG Transport Stream, a communications protocol for audio, video, and data, a type of digital container format, widely used in HDTV.

DVD-VR recorded movie.

Windows Media Video, a compressed video file format for several proprietary codecs developed by Microsoft.

Windows Media Audio, based in ASF (Advanced Systems Format) that wraps an audio bitstream.

Waveform Audio File Format ,it is a Microsoft and IBM  audio file format standard for storing an audio bitstream on PCs.

Ogg Media file. Ogg could be video files or audio files since it's a container.

A video codec library following the MPEG-4 standard, specifically MPEG-4 Part 2 Advanced Simple Profile(ASP).