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Thus, a representation that compresses the storage size of a file from 10 MB to 2 MB yields a space saving of 1 - 2/10 = 0.8, often notated as a percentage, 80%. For signals of indefinite size, such as streaming audio and video, the compression ratio is defined in terms of uncompressed and compressed data rates instead of data sizes:
Display Stream Compression (DSC) is a VESA-developed video compression algorithm designed to enable increased display resolutions and frame rates over existing physical interfaces, and make devices smaller and lighter, with longer battery life. [1] It is a low-latency algorithm based on delta PCM coding and YC G C O-R color space. [1] [2]
Microsoft Video 1 or MS-CRAM [1] is an early lossy video compression and decompression algorithm that was released with version 1.0 of Microsoft's Video for Windows in November 1992. It is based on MotiVE, a vector quantization codec which Microsoft licensed from Media Vision. In 1993, Media Vision marketed the Pro Movie Spectrum, an ISA board ...
A video coding format [a] (or sometimes video compression format) is a content representation format of digital video content, such as in a data file or bitstream. It typically uses a standardized video compression algorithm, most commonly based on discrete cosine transform (DCT) coding and motion compensation .
Uncompressed video is digital video that either has never been compressed or was generated by decompressing previously compressed digital video. It is commonly used by video cameras, video monitors, video recording devices (including general-purpose computers), and in video processors that perform functions such as image resizing, image rotation, deinterlacing, and text and graphics overlay.
This category dedicated to video compression issues (mainly video codec parts). See also: category:video codecs , video file format , audio file format , and container format Subcategories
DV uses lossy compression of video while audio is stored uncompressed. [7] An intraframe video compression scheme is used to compress video on a frame-by-frame basis with the discrete cosine transform (DCT). Closely following the ITU-R Rec. 601 standard, DV video employs interlaced scanning with the luminance sampling frequency of 13.5 MHz ...
C The MaxDpbSize, maximum number of pictures in the decoded picture buffer, for the maximum luma picture size of that level is 6 for all levels. [1] [2] The MaxDpbSize can increase to a maximum of 16 frames, if the luma picture size of the video is smaller than the maximum luma picture size of that level, in incremental steps of 4/3×, 2×, or 4×.
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