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  2. 3GP and 3G2 - Wikipedia

    en.wikipedia.org/wiki/3GP_and_3G2

    3GP is defined in the ETSI 3GPP technical specification. [1] 3GP is a required file format for video and associated speech/audio media types and timed text in ETSI 3GPP technical specifications for IP Multimedia Subsystem (IMS), Multimedia Messaging Service (MMS), Multimedia Broadcast/Multicast Service (MBMS) and Transparent end-to-end Packet-switched Streaming Service ().

  3. List of spreadsheet software - Wikipedia

    en.wikipedia.org/wiki/List_of_spreadsheet_software

    1983, Lotus 1-2-3 for MS-DOS, the first killer application for the IBM PC, it took the market from Visicalc in the early 1980s. 1983, Dynacalc for OS-9 a Unix-like operating system, similar to VisiCalc. [11] 1984, Lotus Symphony for MS-DOS, the follow-on to Lotus 1-2-3; 1985, Boeing Calc for MVS and MS-DOS, written by subsidiary of aviation ...

  4. 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 ...

  5. 2D to 3D conversion - Wikipedia

    en.wikipedia.org/wiki/2D_to_3D_conversion

    This is technically not a conversion; therefore, such re-rendered films have the same quality as films originally produced in stereoscopic 3D. Examples of this technique include the re-release of Toy Story and Toy Story 2. Revisiting the original computer data for the two films took four months, as well as an additional six months to add the 3D ...

  6. Program-specific information - Wikipedia

    en.wikipedia.org/wiki/Program-specific_information

    The PMTs provide information on each program present in the transport stream, including the program_number, and list the elementary streams that comprise the described MPEG-2 program. There are also locations for optional descriptors that describe the entire MPEG-2 program, as well as an optional descriptor for each elementary stream.

  7. Common Intermediate Format - Wikipedia

    en.wikipedia.org/wiki/Common_Intermediate_Format

    The simple way to convert NTSC video to CIF is to capture every other field (e.g., the top fields) of interlaced video, downsample it by 2:1 horizontally to convert 704 samples per line to 352 samples per line, and upsample it vertically by a ratio of 6:5 vertically to convert 240 lines to 288 lines.

  8. Comparison of video container formats - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_video...

    M2TS only supports MPEG-4 AVC, MPEG-1 Video, MPEG-2 Video, MPEG-4 Visual and VC-1. Ogg only supports Theora, MNG, JNG, [f] PNG [81] and Dirac. [82] [83] Firefox supports VP9 and VP8 in Ogg. [84] VLC supports MPEG-2 Video, MPEG-4 Visual and VC-1 in Ogg. [85] RMVB only supports RealVideo versions RV30, RV40 and RV60. VOB only supports MPEG-1 ...

  9. Comparison of video converters - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_video_converters

    Video converter Developer License Supported platform Windows Mac OS X Linux Any Video Converter: Anvsoft Inc. Freeware: Yes: Yes: No Avidemux: Mean, Gruntster, Fahr: GPL-2.0-or-later: Yes: Yes: Yes Dr. DivX: DivX, Inc. Adware bundled 15-day trial: Yes: Yes: No DVDVideoSoft Free Studio: DVDVideoSoft: Shareware (requires paid membership for basic ...