CD-R is a digital optical disc storage format. A CD-R disc is a compact disc that can be written once and read arbitrarily many times.
MiniDisc (MD) is an erasable magneto-optical disc-based data storage format offering a capacity of 60, 74, and later, 80 minutes of digitized audio.
A DVD player is a device that plays DVDs produced under both the DVD-Video and DVD-Audio technical standards, two different and incompatible standards. Some DVD players will also play audio CDs. DVD players are connected to a television to watch the DVD content, which could be a movie, a recorded TV show, or other content.
A CD player is an electronic device that plays audio compact discs, which are a digital optical disc data storage format. CD players were first sold to consumers in 1982. CDs typically contain recordings of audio material such as music or audiobooks. CD players may be part of home stereo systems, car audio systems, personal computers, or portable CD players such as CD boomboxes. Most CD players produce an output signal via a headphone jack or RCA jacks. To use a CD player in a home stereo system, the user connects an RCA cable from the RCA jacks to a hi-fi and loudspeakers for listening to music. To listen to music using a CD player with a headphone output jack, the user plugs headphones or earphones into the headphone jack.
The LaserDisc (LD) is a home video format and the first commercial optical disc storage medium, initially licensed, sold and marketed as MCA DiscoVision in the United States in 1978. Its diameter typically spans 30 cm (12 in). Unlike most optical-disc standards, LaserDisc is not fully digital, and instead requires the use of analog video signals.
Videodisc is a general term for a laser- or stylus-readable random-access disc that contains both audio and analog video signals recorded in an analog form. Typically, it is a reference to any such media that predates the mainstream popularity of the DVD format. The first mainstream official Videodisc was the Television Electronic Disc (TED) Videodisc, and the newest is the 4K Ultra HD Blu-Ray Disc. As of September 2023, the active video disc formats are Blu-ray Disc, DVD, and in other regions because of the price difference from DVD, Video CD (VCD) and SVCD.
In computing, an optical disc drive is a disc drive that uses laser light or electromagnetic waves within or near the visible light spectrum as part of the process of reading or writing data to or from optical discs. Some drives can only read from certain discs, but recent drives can both read and record, also called burners or writers. Compact discs, DVDs, and Blu-ray discs are common types of optical media which can be read and recorded by such drives.
The LaserActive is a converged device and fourth-generation home video game console capable of playing LaserDiscs, Compact Discs, console games, and LD-G karaoke discs. It was released by Pioneer Corporation in 1993. In addition to LaserActive games, separately sold add-on modules accept Mega Drive/Genesis and PC Engine/TurboGrafx-16 ROM cartridges and CD-ROMs.
A format war is a competition between similar but mutually incompatible technical standards that compete for the same market, such as for data storage devices and recording formats for electronic media. It is often characterized by political and financial influence on content publishers by the developers of the technologies. Developing companies may be characterized as engaging in a format war if they actively oppose or avoid interoperable open-industry technical standards in favor of their own.
John Donovan Cannon was an American actor. An alumnus of the American Academy of Dramatic Arts in New York City, he is best known for his co-starring role of Chief of Detectives Peter B. Clifford in the television series McCloud with Dennis Weaver from 1970 until 1977, and for his part as the witness Lloyd Chandler who cleared Dr. Richard Kimble in "The Judgment", the series finale of The Fugitive.
The Capacitance Electronic Disc (CED) is an analog video disc playback system developed by Radio Corporation of America (RCA), in which video and audio could be played back on a TV set using a special stylus and high-density groove system similar to phonograph records.
Pioneer Corporation, commonly referred to as Pioneer, is a Japanese multinational corporation based in Tokyo, that specializes in digital entertainment products. The company was founded by Nozomu Matsumoto on January 1, 1938 in Tokyo as a radio and speaker repair shop. Its current president is Shiro Yahara.
A DVD recorder is an optical disc recorder that uses optical disc recording technologies to digitally record analog or digital signals onto blank writable DVD media. Such devices are available as either installable drives for computers or as standalone components for use in television studios or home theater systems.
Video High Density (VHD) is an analog video format which was marketed predominantly in Japan by JVC.
DiscoVision is the name of several things related to the video LaserDisc format.
The DVL-XXXX Series of LaserDisc home video players were manufactured by Pioneer Corporation and were some of the last LaserDisc players manufactured before the format's retirement. They Included the capability of playing LaserDisc, CD Video, Audio CD, and DVD.
HD DVD is an obsolete high-density optical disc format for storing data and playback of high-definition video. Supported principally by Toshiba, HD DVD was envisioned to be the successor to the standard DVD format, but lost to Blu-ray, supported by Sony and others.
A CD-ROM is a type of read-only memory consisting of a pre-pressed optical compact disc that contains data. Computers can read—but not write or erase—CD-ROMs. Some CDs, called enhanced CDs, hold both computer data and audio with the latter capable of being played on a CD player, while data is only usable on a computer.
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".
A LaserDisc player is a device designed to play video (analog) and audio stored on LaserDisc. LaserDisc was the first optical disc format marketed to consumers; it was introduced by MCA DiscoVision in 1978.
