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  2. PDF - Wikipedia

    en.wikipedia.org/wiki/PDF

    PDF 2.0 defines 256-bit AES encryption as the standard for PDF 2.0 files. The PDF Reference also defines ways that third parties can define their own encryption systems for PDF. PDF files may be digitally signed, to provide secure authentication; complete details on implementing digital signatures in PDF are provided in ISO 32000-2.

  3. OpenEXR - Wikipedia

    en.wikipedia.org/wiki/OpenEXR

    It is lossless for half and 32-bit integer data and slightly lossy for 32-bit float data. B44 This form of compression is lossy for half data and stores 32-bit data uncompressed. It maintains a fixed compression size of either 2.28:1 or 4.57:1 and is designed for realtime playback. B44 compresses uniformly regardless of image content. [16] B44A

  4. 7-Zip - Wikipedia

    en.wikipedia.org/wiki/7-Zip

    7-Zip is a free and open-source file archiver, a utility used to place groups of files within compressed containers known as "archives". It is developed by Igor Pavlov and was first released in 1999. [2] 7-Zip has its own archive format called 7z introduced in 2001 [12], but can read and write several others.

  5. Comparison of video codecs - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_video_codecs

    CBR is commonly used for videoconferences, satellite and cable broadcasting. VBR is commonly used for video CD/DVD creation and video in programs. Bit rate control is suited to video streaming. For offline storage and viewing, it is typically preferable to encode at constant quality (usually defined by quantization) rather than using bit rate ...

  6. FreeArc - Wikipedia

    en.wikipedia.org/wiki/FreeArc

    FreeArc uses LZMA, prediction by partial matching, TrueAudio, Tornado and GRzip [7] algorithms with automatic switching by file type. Additionally, it uses filters to further improve compression, including REP (finds repetitions at separations up to 1gb), DICT (dictionary replacements for text), DELTA (improves compression of tables in binary data), BCJ (executables preproccesor) and LZP ...

  7. K-Lite Codec Pack - Wikipedia

    en.wikipedia.org/wiki/K-Lite_Codec_Pack

    The last version that is compatible with Windows 2000 is version 7.10. The last version that is compatible with Windows 9x is version 3.45. Starting with K-Lite version 10.0.0, 64-bit codecs were integrated into the regular K-Lite Codec Pack. Previously, a separate 64-bit edition of the pack was available for x64 editions of Windows. [10]

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