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2. Digital video - Wikipedia

   en.wikipedia.org/wiki/Digital_video

   Digital video is an electronic representation of moving visual images in the form of encoded digital data. This is in contrast to analog video, which represents moving visual images in the form of analog signals. Digital video comprises a series of digital images displayed in rapid succession, usually at 24, 25, 30, or 60 frames per second ...

3. Digital audio - Wikipedia

   en.wikipedia.org/wiki/Digital_audio

   Digital audio may be stored in a standard audio file formats and stored on a Hard disk recorder, Blu-ray or DVD-Audio. Files may be played back on smartphones, computers or MP3 player. Digital audio resolution is measured in audio bit depth. Most digital audio formats use either 16-bit, 24-bit, and 32-bit resolution.

4. Video CD - Wikipedia

   en.wikipedia.org/wiki/Video_CD

   Video CD (abbreviated as VCD, and also known as Compact Disc Digital Video) is a home video format and the first format for distributing films on standard 120 mm (4.7 in) optical discs. The format was widely adopted in Southeast Asia , South Asia , East Asia , Central Asia and West Asia , superseding the VHS and Betamax systems in the regions ...

5. Video file format - Wikipedia

   en.wikipedia.org/wiki/Video_file_format

   A video file format is a type of file format for storing digital video data on a computer system. Video is almost always stored using lossy compression to reduce the file size. A video file normally consists of a container (e.g. in the Matroska format) containing visual (video without audio) data in a video coding format (e.g. VP9 ) alongside ...

6. DV (video format) - Wikipedia

   en.wikipedia.org/wiki/DV_(video_format)

   The audio, video, and metadata are packaged into 80-byte Digital Interface Format (DIF) blocks which are multiplexed into a 150-block sequence. DIF blocks are the basic units of DV streams and can be stored as computer files in raw form or wrapped in such file formats as Audio Video Interleave (AVI), QuickTime (QT) and Material Exchange Format ...

7. Dolby Digital - Wikipedia

   en.wikipedia.org/wiki/Dolby_Digital

   The former Dolby Digital logo, entitled "Aurora", that was sometimes shown at the start of broadcasts, feature films, and video games The old Dolby Digital logo Dolby AC-3 (a backronym for Audio Codec 3, Advanced Codec 3, or Acoustic Coder 3), also known as ATSC A/52 (name of the standard) [ 18 ] or simply Dolby Digital ( DD ), is the common ...