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2. Uncompressed video - Wikipedia

   en.wikipedia.org/wiki/Uncompressed_video

   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.

3. Low-definition television - Wikipedia

   en.wikipedia.org/wiki/Low-definition_television

   Also the size recommended for "medium" quality MMS videos. [citation needed] 144p 144p 192×144 27,648 4:3 The resolution 192×144 is used when 144p is selected on a fullscreen YouTube video. [citation needed] YouTube 144p 144p 256×144 36,864 16:9 One tenth of 1440p. The lowest resolution on YouTube since 2013. QnHD 180p 320×180 57,600 16:9 222p

4. Comparison of video codecs - Wikipedia

   en.wikipedia.org/wiki/Comparison_of_video_codecs

   Α video codec is software or a device that provides encoding and decoding for digital video, and which may or may not include the use of video compression and/or decompression. Most codecs are typically implementations of video coding formats . The compression may employ lossy data compression, so that quality-measurement issues become important.

5. Video optimization - Wikipedia

   en.wikipedia.org/wiki/Video_optimization

   Video optimization. Video optimization refers to a set of technologies used by mobile service providers to improve consumer viewing experience by reducing video start times or re- buffering events. The process also aims to reduce the amount of network bandwidth consumed by video sessions. [1]

6. 4K resolution - Wikipedia

   en.wikipedia.org/wiki/4K_resolution

   4K resolution refers to a horizontal display resolution of approximately 4,000 pixels. [1] Digital television and digital cinematography commonly use several different 4K resolutions. In television and consumer media, 3840 × 2160 (4K UHD) with a 16:9 aspect ratio is the dominant 4K standard, whereas the movie projection industry uses 4096 × ...

7. Rate–distortion optimization - Wikipedia

   en.wikipedia.org/wiki/Rate–distortion_optimization

   Rate–distortion optimization. () is a method of improving video quality in video compression. The name refers to the optimization of the amount of (loss of video quality) against the amount of data required to encode the video, the . While it is primarily used by video encoders, rate-distortion optimization can be used to improve quality in ...