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  2. MP4 file format - Wikipedia

    en.wikipedia.org/wiki/MP4_file_format

    MPEG-4 Part 14, or MP4, is a digital multimedia container format most commonly used to store video and audio, but it can also be used to store other data such as subtitles and still images. Like most modern container formats, it allows streaming over the Internet.

  3. Snapchat - Wikipedia

    en.wikipedia.org/wiki/Snapchat

    Snapchat is an American multimedia instant messaging app and service developed by Snap Inc., originally Snapchat Inc.One of the principal features of Snapchat is that pictures and messages are usually only available for a short time before they become inaccessible to their recipients.

  4. List of file signatures - Wikipedia

    en.wikipedia.org/wiki/List_of_file_signatures

    List of file signatures. This is a list of file signatures, data used to identify or verify the content of a file. Such signatures are also known as magic numbers or Magic Bytes. Many file formats are not intended to be read as text. If such a file is accidentally viewed as a text file, its contents will be unintelligible.

  5. Computer file - Wikipedia

    en.wikipedia.org/wiki/Computer_file

    Files can be shared with and transferred between computers and mobile devices via removable media, networks, or the Internet. Different types of computer files are designed for different purposes. A file may be designed to store an image, a written message, a video, a program, or any wide variety of other kinds of data. Certain files can store ...

  6. List of most-viewed YouTube videos - Wikipedia

    en.wikipedia.org/wiki/List_of_most-viewed...

    Specifically, to count as a legitimate view, a user must intentionally initiate the playback of the video and play at least 30 seconds of the video (or the entire video for shorter videos). Additionally, while replays count as views, there is a limit of 4 or 5 views per IP address during a 24-hour period, after which point, no further views ...

  7. High Efficiency Image File Format - Wikipedia

    en.wikipedia.org/wiki/High_Efficiency_Image_File...

    High Efficiency Video Coding (HEVC, ITU-T H.265) [14] is an encoding format for graphic data, first standardized in 2013. It is the primarily used and implied default codec for HEIF as specified in the normative Annex B to ISO/IEC 23008-12 HEVC Image File Format. While not introduced formally in the standard, the acronym HEIC (High-Efficiency ...

  8. Video - Wikipedia

    en.wikipedia.org/wiki/Video

    Video is an electronic medium for the recording, copying, playback, broadcasting, and display of moving visual media. [ 1 ] Video was first developed for mechanical television systems, which were quickly replaced by cathode-ray tube (CRT) systems, which, in turn, were replaced by flat-panel displays of several types.

  9. File format - Wikipedia

    en.wikipedia.org/wiki/File_format

    File format. wav-file: 2.1 megabytes. ogg-file: 154 kilobytes. A file format is a standard way that information is encoded for storage in a computer file. It specifies how bits are used to encode information in a digital storage medium. File formats may be either proprietary or free.