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Visc is a mechanical video disc system developed in Japan by Matsushita subsidiary National Panasonic in 1978. The 12-inch vinyl disc is spun at 500 rpm with each revolution holding three frames of color video, with a total of up to an hour of video on each side of the disc. [9] Discs can be recorded in either a 30-minute-per-side format, or a ...
Personal Video Disc (PVD) MiniDisc : MD Data, MD Data2; Hi-MD; LaserDisc : LD-ROM, LV-ROM; Video Single Disc (VSD) Magneto-optical discs; Ultra Density Optical (UDO) 3D optical data storage; Stacked Volumetric Optical Disk (SVOD) Fluorescent Multilayer Disc; Hyper CD-ROM; Nintendo optical disc (NOD) Archival Disc (AD) Professional Disc; DataPlay
The space-consuming analog video signal of a LaserDisc limited playback duration to 30/36 minutes (CAV NTSC/PAL) or 60/64 minutes (CLV NTSC/PAL) per side, because of the hardware manufacturer's refusal to reduce line count and bandwidth for increased playtime, (as was done in VHS; VHS tapes had a 3 MHz video bandwidth, while LaserDisc preserves ...
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 ...
LV-ROM is an optical disc format developed by Philips Electronics to integrate analog video and computer software for interactive multimedia. The LV-ROM is a specialized variation of the CAV Laserdisc. LV-ROM is an initialism for "LaserVision Read-Only Memory". Like Laserdisc, LV-ROM discs store analog audio and video by encoding it in pulse ...
The unified disc format, which included both dual-layer and double-sided options, was called DVD and was introduced in Japan in 1996 and in the rest of the world in 1997. More video disc formats: Video CD versus the DVD. While the MMCD and SD war was going on, Philips developed their own video format called the Video CD.
In the history of optical storage media there have been and there are different optical disc formats with different data writing/reading speeds.. Original CD-ROM drives could read data at about 150 kB/s, 1× constant angular velocity (CAV), [1] the same speed of compact disc players without buffering.
Comparison of various optical storage media. 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.