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  2. Video file format - Wikipedia

    en.wikipedia.org/wiki/Video_file_format

    A video file format is a type of file format for storing digital video data on a computer system. Video is almost always stored using lossy compression to reduce the file size. A video file normally consists of a container (e.g. in the Matroska format) containing visual (video without audio) data in a video coding format (e.g. VP9 ) alongside ...

  3. Presentation timestamp - Wikipedia

    en.wikipedia.org/wiki/Presentation_timestamp

    Presentation time stamps have a resolution of 90kHz, suitable for the presentation synchronization task. The PCR or SCR has a resolution of 27MHz which is suitable for synchronization of a decoder's overall clock with that of the usual remote encoder, including driving TV signals such as frame and line sync timing, colour sub carrier, etc. [1]

  4. List of file formats - Wikipedia

    en.wikipedia.org/wiki/List_of_file_formats

    .pss – A Sony PlayStation 2 Game Video file and is used to store audio and video data by games for the PlayStation 2 console..nsp – Nintendo Switch EShop Video Game file that stores audio data, video data, game data, and program code for the Nintendo Switch; Also supported by emulators.

  5. Microsoft PowerPoint - Wikipedia

    en.wikipedia.org/wiki/Microsoft_PowerPoint

    PowerPoint 2013 and 2016 will also save a presentation in many other file formats, including PDF format, MPEG-4 or WMV video, as a sequence of single-picture files (using image formats including GIF, JPEG, PNG, TIFF, and some older formats), and as a single presentation file in which all slides are replaced with pictures.

  6. Data compression - Wikipedia

    en.wikipedia.org/wiki/Data_compression

    Most video coding standards, such as the H.26x and MPEG formats, typically use motion-compensated DCT video coding (block motion compensation). [69] [70] Most video codecs are used alongside audio compression techniques to store the separate but complementary data streams as one combined package using so-called container formats. [71]

  7. Comparison of graphics file formats - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_graphics...

    video/x-mng Yes NEF: Nikon RAW Nikon: TIFF .nef MIFF: Magick image file format ImageMagick Studio .miff ImageMagick: MRW: Minolta RAW Minolta.mrw ORF: Olympus RAW Olympus: TIFF .orf PAM: portable arbitrary map file format .pam image/x-portable-arbitrarymap Yes PBM: Portable Bitmap File Format ASCII.pbm image/x-portable-bitmap Yes PCX: ZSoft PC ...

  8. AOL Mail - AOL Help

    help.aol.com/products/aol-webmail

    Get answers to your AOL Mail, login, Desktop Gold, AOL app, password and subscription questions. Find the support options to contact customer care by email, chat, or phone number.

  9. List of file signatures - Wikipedia

    en.wikipedia.org/wiki/List_of_file_signatures

    MPEG-1 video and MPEG-2 video (MPEG-1 Part 2 and MPEG-2 Part 2) 66 74 79 70 69 73 6F 6D: ftypisom: 4 mp4 ISO Base Media file (MPEG-4) 66 74 79 70 4D 53 4E 56: ftypMSNV: 4 mp4 MPEG-4 video file 78 01: x␁ 0 zlib No Compression (no preset dictionary) 78 5E: x^ Best speed (no preset dictionary) 78 9C: xœ: Default Compression (no preset ...

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