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Amateur film equipment became standardized in the 1920s and 30s with the 9.5 mm, 16 mm, and 8 mm formats. By the late 1950s, home movies became cheaper to make, becoming available to the middle class. In the mid-1960s, Super 8's ease of use led to home movies being even more popular. [7]
In an attempt to provide a bitrate-compatible high-definition format for high-definition video on standard DVD-ROMs, Microsoft introduced their Windows Media 9 Series codec with the ability to compress a high-definition bitstream into the same space as a conventional NTSC bitstream (approximately 5 to 9 megabits per second for 720p and higher).
Compression artifacts in compressed audio typically show up as ringing, pre-echo, "birdie artifacts", drop-outs, rattling, warbling, metallic ringing, an underwater feeling, hissing, or "graininess". An example of compression artifacts in audio is applause in a relatively highly compressed audio file (e.g. 96 kbit/sec MP3).
DV was designed to be a standard for home video using digital data instead of analog. [1] Compared to the analog Video8/Hi8 , VHS-C and VHS formats, DV features a higher video resolution (on par with professional-grade Digital Betacam ) and also records audio digitally at 16-bit like CD . [ 2 ]
Home video is recorded media sold or rented for home viewing. [1] The term originates from the VHS and Betamax era, when the predominant medium was videotapes, but has carried over to optical disc formats such as DVD and Blu-ray. In a different usage, "home video" refers to amateur video recordings, also known as home movies. [2]
A compression fitting 15 mm isolating valve. A compression fitting is a fitting used in plumbing and electrical conduit systems to join two tubes or thin-walled pipes together. . In instances where two pipes made of dissimilar materials are to be joined (most commonly PVC and copper), the fittings will be made of one or more compatible materials appropriate for the connect
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 .
Home Kinetoscope: Edison: 1912 unknown (amateur format) no standard no standard no standard no standard spherical 22 mm, 2 perf (on frameline between frame rows) 1.5 0.236" × 0.157" (three frames across width) spherical Pathe Kok: Pathé: 1912 unknown (amateur format) 28 mm 1.36 0.748" × 0.551" 3 perf on one side, 1 perf on the other ...