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A video file format from Google that is one of the native formats in HTML5. Based on a Matroska profile, WebM was introduced in 2010 with support for the VP8 video and Ogg Vorbis audio codecs. In 2013, VP9 video and Opus audio were added. See Matroska, Ogg Vorbis and HTML5. For the still image counterpart, see WebP.

VP8 Video Codec
WebM acts as a container for the VP8 and VP9 open source compression methods. Originally from On2 Technologies, VP8 was turned into a royalty-free product after Google acquired the company in 2010.

While maintaining visual quality, VP8 can deeply compress video; for example, a raw 323MB SD file can be compressed to 1.9MB, and it can be decoded in low-power platforms such as smartphones and tablets. See On2.

VP9 and VP10
Introduced in 2013, VP9 uses more sophisticated compression methods than VP8, somewhat similar to HEVC (H.265), and it supports parallel processing. VP9 features a 64x64 pixel "superblock" that can be subdivided into smaller blocks for compression.

VP10 was designed to reduce 4K transmission in half. However, it never came to fruition and was incorporated into AV1, along with elements from Xiph/Mozilla's Daala and Cisco's Thor (see AV1). See HEVC.
References in periodicals archive ?
The VPX platform enables broadcasters to create highly efficient, cost-effective, and easy-to-manage production workflows for news, sports, and other programs, all from virtual instances running on a single server.
And for system compatibility, Acromag's 3U VPX cards support a number of VITA 65 slot profiles and conform to VPX VITA 46.
Those who order two bottles will receive a free VPX Sports T-Shirt plus free shipping.
Customer response to our NetScaler VPX solution validates our strategy to expand the market for NetScaler technology by making it available as a virtual appliance," said Klaus Oestermann, VP and GM- NetScaler Product Group, Citrix.
Drawing on its 15 years of pharmaceutical liquid delivery science, VPX Sports will launch a new Redline beverage targeting those who want to lose weight fast.
Standard power tools, including drills and a saw, are available in the VPX line.
The Hand Vac uses two VPX batteries, for 14 volts of power.
Power Group Enters VPX Market with Introduction of Two New Power Supplies
With a Pentek 8266 SPARK[R] PC, 8264 SPARK 6U VPX, or 8267 SPARK 3U VPX development system, work can begin immediately on applications.
The XMC-1553 is ideal for PCI Express, VPX, VME, Single board Computers (SBC), CompactPCI (or Express) PXI systems, and includes Alta's advanced AltaAPI(TM) software development kit for a wide variety of operating systems.
The company also offers carriers and specialty products in Advanced TCA, VPX, and Compact PCI.
WORLDWIDE COMPUTER PRODUCTS NEWS-May 8, 2014-CommAgility to launch new rugged high performance VPX module