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DXOMARK is a commercial website described as "an independent benchmark that scientifically assesses smartphones, lenses and cameras". [2] [3] Founded in 2008, DXOMARK was originally owned by DxO Labs, [4] a French engineering and consulting company, which is headquartered in Boulogne-Billancourt, Paris, France.
In many cases brands are limited to certain countries. Not all brands of devices that can take digital images are listed here, including many industrial digital camera brands, some webcam brands, brands of cell phones that feature cameras, and brands of video cameras that can take digital stills. Defunct brands are listed separately.
It is, therefore, a video quality model. PEVQ was benchmarked by the Video Quality Experts Group (VQEG) in the course of the Multimedia Test Phase 2007–2008. Based on the performance results, in which the accuracy of PEVQ was tested against ratings obtained by human viewers, PEVQ became part of the new International Standard. [1]
To counter the Super-VHS format, Sony introduced Video Hi8 (short for high-band Video8). First demonstrated in February 1989, it was initially endorsed by ten other manufacturers — Aiwa, Canon, Fuji, Hitachi, Konica, Matsushita, Maxell, Ricoh, Sanyo and TDK, [ 12 ] which were joined later by Nikon, Samsung, Sharp and TEAC.
Flip cameras' video quality was unusually good for their prices and sizes. [8] They can record videos at different resolutions. FlipHD camcorders digitally record high-definition video at 1280 x 720 resolution using H.264 video compression, Advanced Audio Coding (AAC) audio compression and the MP4 file format, while the older models used a 640 x 480 resolution. [9]
While there were larger CCD sensors made for interchangeable-lens cameras, such as the Leica M9, CCD sensors in fixed-lens cameras maxed out at 2/3″ (1/1.5″). Premium compact cameras of the time contained sensors around 1/1.7″ in size, whereas entry-level models used 1/2.3″ sensors or smaller. [37] [38] [39]