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2. Optical storage media writing and reading speed - Wikipedia

   en.wikipedia.org/wiki/Optical_storage_media...

   The DVD and Blu-ray discs hold a higher capacity of data, so reading or writing those discs in the same 74-minute time-frame requires a higher data transfer rate. Drive speed can be limited intentionally to reduce noise from the drive or slow down ripping, such as the firmware component Riplock.

3. Comparison of high-definition optical disc formats - Wikipedia

   en.wikipedia.org/wiki/Comparison_of_high...

   This article compares the technical specifications of multiple high-definition formats, including HD DVD and Blu-ray Disc; two mutually incompatible, high-definition optical disc formats that, beginning in 2006, attempted to improve upon and eventually replace the DVD standard. The two formats remained in a format war until February 19, 2008 ...

4. VCR/DVD combo - Wikipedia

   en.wikipedia.org/wiki/VCR/DVD_combo

   VCR/DVD combo. Samsung SV-DVD440, a combo DVD player and VCR unit introduced to consumers in 2004. A VCR/DVD combination, VCR/DVD combo, or DVD/VCR combo, is a multiplex or converged device that allows the ability to watch both VHS tapes and DVDs. Many such players can also play additional formats such as CD and VCD.

5. D-VHS - Wikipedia

   en.wikipedia.org/wiki/D-VHS

   Released. December 1997; 26 years ago (1997-12) D-VHS is a digital video recording format developed by JVC, in collaboration with Hitachi, Matsushita, and Philips. The "D" in D-VHS originally stood for "Data", but JVC renamed the format as "Digital VHS". Released in December 1997, [1][2] it uses the same physical cassette format and recording ...

6. VHS - Wikipedia

   en.wikipedia.org/wiki/VHS

   The VHS (Video Home System) [ 1 ][ 2 ][ 3 ] is a standard for consumer-level analog video recording on tape cassettes, introduced in 1976 by the Victor Company of Japan (JVC). It was the dominant home video format throughout the tape media period in the late 1970s, 1980s, and 1990s. [ 4 ][ 5 ]

7. Analog Protection System - Wikipedia

   en.wikipedia.org/wiki/Analog_Protection_System

   The Analog Protection System (APS), also known as Analog Copy Protection (ACP), Copyguard or Macrovision, [1] is a VHS [2] and DVD copy protection system originally developed by the Macrovision Corporation. Video tapes copied from DVDs encoded with APS become garbled and unwatchable. The process works by adding pulses to analog video signals to ...