Video storage

1" type A (designated Type A by SMPTE) is an open-reel videotape format developed by Ampex in 1965, that was one of the first standardized open-reel videotape formats in the 1" width (most others of that size at that time were proprietary). ...more on Wikipedia about "1" type A videotape"

1" type B (designated Type B by SMPTE) is an open-reel videotape format developed by Bosch in Germany in 1976. It never saw much success outside Europe however, due to the format being unable to perform any "trick-play" functions, such as still, shuttle, or variable-speed playback. ...more on Wikipedia about "1" type B videotape"

1" Type C (designated Type C by SMPTE) is a professional open-reel videotape format co-developed and introduced by Ampex and Sony in 1976. It became the replacement in the professional video & television broadcast industries for the then incumbent Quadruplex (2" Quad for short) open-reel format, due to the smaller size & slightly higher video quality of 1" type C. ...more on Wikipedia about "1" type C videotape"

2" Quadruplex (also called 2" Quad, or just quad, for short) was the first practical and commercially successful videotape format. It was developed and released for the broadcast television industry in 1956 by Ampex, an American company situated in Redwood City, California. This format revolutionized television broadcast operations and production, since the only medium available to the TV industry before then was motion picture film used for kinescopes, which was much more costly to utilize, had lower image quality than videotape, and took time to develop as well. ...more on Wikipedia about "2" Quadruplex videotape"

The 8mm video format refers informally to three related videocassette formats for the NTSC and PAL/ SECAM television systems. These are the original Video8 format and its improved successor Hi8 (both analog), as well as a more recent digital format known as Digital8. ...more on Wikipedia about "8 mm video format"

AMPEX is an acronym, created by its founder, Alexander M. Poniatoff. It actually stands for (A)lexander (M). (P)oniatoff (Ex)cellence. Poniatoff's company was established in San Carlos, California in 1944 as the Ampex Electric and Manufacturing Company. ...more on Wikipedia about "Ampex"

Betacam is a family of half-inch professional videotape formats developed by Sony from 1982 onwards. ...more on Wikipedia about "Betacam"

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Sony's Betamax is the 12.7 mm (0.5 inch) home videocassette tape recording format derived from the earlier, professional 19.1 mm (0.75 inch) U-matic video cassette format. Like the video home recording system VHS introduced by JVC in 1976, it had no guard band, and used azimuth recording to reduce cross-talk. The "Betamax" name is said to derive from the Japanese phrase beta gaki (raw + write), however, as a pun, the designed trademark incorporated the Greek letter "beta"; Sanyo marketed its version as the "Betacord", but it, too, was referred to as "Beta". As well as Sony and Sanyo, Betamax video recorders were also sold by Toshiba, Pioneer, Aiwa and NEC. The Zenith Electronics Corporation and WEGA Corporations contracted with Sony to produce VCRs for their product lines. Department Stores like Sears in the US and Quelle in Germany sold Beta format VCRs under their house brands as did the Radio Shack chain of electronic stores. Sony introduced the Betamax home video system in 1975. The format was most popular in 1983, gaining almost a third of the UK video recorder market, while Sanyo celebrated the VTC5000 being the top selling UK video recorder. However by 1985 the market had turned sharply towards VHS. ...more on Wikipedia about "Betamax"

Blu-ray Disc (BD) is a next-generation optical disc format meant for storage of high-definition video and high-density data. The Blu-ray standard was jointly developed by a group of consumer electronics and PC companies called the Blu-ray Disc Association (BDA). As compared to the HD DVD format, its main competitor, Blu-ray has more information capacity per layer, 25 instead of 15 gigabytes, but may initially be more expensive to produce. ...more on Wikipedia about "Blu-ray Disc"

CD Video (also known as CDV, CD-V, or CD+V) was a format introduced in the mid- 1980s that combined the technologies of compact disc and laserdisc. CD-V discs were the same size as an audio CD, and contained up to 20 minutes worth of audio information that could be played on any audio CD player. It also contained up to 5 minutes of analog video information, which could be played back on a newer laserdisc player capable of playing CD-V discs. One of the first laserdisc players that could play CD-V discs as well was the Pioneer CLD-1010 from 1987. ...more on Wikipedia about "CD Video"

CD-i or Compact Disc Interactive is the name of an interactive multimedia CD player developed and marketed by Royal Philips Electronics N.V. CD-i also refers to the multimedia Compact Disc standard utilized by the CD-i console, also known as Green Book, which was co-developed by Philips and Sony in 1986. The first Philips CD-i player, released in 1991 and initially priced around USD $400, was capable of playing interactive CD-i discs, Audio CDs, CD+G (CD+Graphics), Karaoke CDs, and Video CDs (VCDs), though the last required an optional "Digital Video Card" to provide MPEG-1 decoding. ...more on Wikipedia about "CD-i"

A CD-R (Compact Disc-Recordable) is a variation of the Compact Disc digital audio disc invented by Philips and Sony. The CD-R retains all the abilities of the CD standard but adds the functionality of being able to store either music or data. ...more on Wikipedia about "CD-R"

Compact Disc ReWritable (CD-RW) is a rewritable optical disc format. Known as CD-Erasable (CD-E) during its development, CD-RW was introduced in 1997. While a prerecorded compact disc has its information permanently stamped into its polycarbonate plastic substrate, a CD-RW disc contains a phase-change alloy recording layer composed of a phase change material, most often AgInSbTe, an alloy of silver, indium, antimony and tellurium. An infra-red laser beam is employed to selectively heat and melt the crystallized recording layer into an amorphous state or to anneal it at a lower temperature back to its crystalline state. The different reflectance of the resulting areas make them appear like the pits and lands of a prerecorded CD. ...more on Wikipedia about "CD-RW"

A compact disc (or CD) is an optical disc used to store digital data, originally developed for storing digital audio. It is the standard playback format for commercial audio recordings today. ...more on Wikipedia about "Compact disc" The http://www.shortopedia.com spirit

Constant Angular Velocity (CAV) refers to how information is written to or read from a rotating data disk. A typical example can be seen in one of the differences between an LP record and a compact audio disc ( CD). With an LP, the disc always spins at the same angular rate (CAV) of 33⅓ rpm, so the surface of the record groove passes the needle at slower linear rate as the needle moves toward the center of the disc. Whereas, with a CD, the motor speed decreases from 495 to 212 rpm as the read head moves away from the center to keep the disc moving past the read head at a constant linear velocity ( CLV). ...more on Wikipedia about "Constant angular velocity"

Constant Linear Velocity (CLV) refers to how information is written to or read from a rotating data disk. A typical example can be seen in one of the differences between an LP record and a compact audio disc ( CD). With an LP, the disc always spins at a Constant Angular Velocity ( CAV) of 33 rpm, so the surface of the record groove passes the needle at slower linear rate as the needle moves toward the center of the disc. This is because when LPs were first developed, motor speed control was not nearly as accurate as it is today; constant linear velocity was harder to control. Thus a record cut and replayed at an ideally constant linear velocity would have suffered severe wow and flutter distortions. ...more on Wikipedia about "Constant linear velocity"

D-VHS is a digital video format developed by JVC, in collaboration with Hitachi, Matsushita and Philips. It uses the same physical cassette format and recording mechanism as VHS, and is capable of recording and displaying both standard definition and high definition content. The content data format is in MPEG 2. ...more on Wikipedia about "D-VHS"

Sony's D1 format was the first major professional digital video format, introduced in 1987. ...more on Wikipedia about "D1 (Sony)"

D2 is a professional digital video tape format created by Ampex and other manufacturers through a standards group of the Society of Motion Picture and Television Engineers (SMPTE) and introduced at the 1988 NAB (National Association of Broadcasters) convention as a lower-cost alternative to the D1 format. Like D1, D2 video is uncompressed; however, it saves bandwidth and other costs by sampling a fully-encoded NTSC or PAL composite video signal, and storing it directly to magnetic tape, rather than sampling component video. This is known as digital composite. ...more on Wikipedia about "D2 (video format)"

D3 is a professional digital video tape format like D2 introduced by Sony or Panasonic. It uses half-inch tape. Camcorders are available which use this format. ...more on Wikipedia about "D3 video"

D5 is a professional digital video format introduced by Panasonic in 1994. Like Sony's D1, it is an uncompressed digital component system, but uses the same half-inch tapes as Panasonic's digital composite D3 format. ...more on Wikipedia about "D5 HD" Come again to www.shortopedia.com Video_storage

DIVX (Digital Video Express) was an attempt by Circuit City and the entertainment law firm Ziffren, Brittenham, Branca and Fischer to create an alternative to video rental in the United States. ...more on Wikipedia about "DIVX"

Double Density Compact Disc (DDCD) is a compact disc-based optical disc technology developed by Sony. It doubles the original 650 MB capacity of a CD on recordable (DDCD-R) and rewritable (DDCD-RW) discs. The only DDCD recorder introduced was the Sony CRX200E. ...more on Wikipedia about "Double Density Compact Disc"

Dual layer recording allows DVD-R and DVD+R discs to store significantly more data, up to 8.5 Gigabytes per side, compared to 4.7 Gigabytes for single-layer discs. DVD-R DL was developed for the DVD Forum by Pioneer Corporation, DVD+R DL was developed for the DVD+RW Alliance by Philips. ...more on Wikipedia about "Dual layer recording"

DualDisc is a type of double-sided optical disc developed by EMI Music, Universal Music Group, Sony/BMG Music Entertainment, Warner Music Group, and 5.1 Entertainment Group . It features an audio layer similar to a CD (but not following the Red Book CD Specifications) on one side and a standard DVD layer on the other. ...more on Wikipedia about "DualDisc"

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