![]() ![]() Multimedia container formats can contain one of several different video coding formats for example the MP4 container format can contain video coding formats such as MPEG-2 Part 2 or H.264. As such, the user normally does not have a H.264 file, but instead has a video file which is an MP4 container of H.264-encoded video, normally alongside AAC-encoded audio. Video content encoded using a particular video coding format is normally bundled with an audio stream (encoded using an audio coding format) inside a multimedia container format such as AVI, MP4, FLV, RealMedia, or Matroska. There are de facto standards and formal standards. Some such specifications are written and approved by standardization organizations as technical standards, and are thus known as a video coding standard. Some video coding formats are documented by a detailed technical specification document known as a video coding specification. A specific software, firmware, or hardware implementation capable of compression or decompression in a specific video coding format is called a video codec. It typically uses a standardized video compression algorithm, most commonly based on discrete cosine transform (DCT) coding and motion compensation. Content representation format for storage or transmission of digital video contentĪ video coding format (or sometimes video compression format) is a content representation format of digital video content, such as in a data file or bitstream.
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