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Range extensions in MPEG are additional profiles, levels, and techniques that support needs beyond consumer video playback: [24] Profiles supporting bit depths beyond 10, and differing luma/chroma bit depths. Intra profiles for when file size is much less important than random-access decoding speed.
AOMedia Video 1 (AV1) is an open, royalty-free video coding format initially designed for video transmissions over the Internet. It was developed as a successor to VP9 by the Alliance for Open Media (AOMedia), [2] a consortium founded in 2015 that includes semiconductor firms, video on demand providers, video content producers, software development companies and web browser vendors.
These extensions enabled higher quality video coding by supporting increased sample bit depth precision and higher-resolution color information, including the sampling structures known as Y′C B C R 4:2:2 (a.k.a. YUV 4:2:2) and 4:4:4.
VP9 is the last official iteration of the TrueMotion series of video formats that Google bought in 2010 for $134 million together with the company On2 Technologies that created it. The development of VP9 started in the second half of 2011 under the development names of Next Gen Open Video (NGOV) and VP-Next.
RAM speed – generally important for most codec implementations. Processor cache size – low values sometimes cause serious speed degradation, e.g., for CPUs with low caches such as several of the Intel Celeron series. GPU usage by codec – some codecs can drastically increase their performance by taking advantage of GPU resources.
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