100 relations: AgInSbTe, Alloy, Aluminium, Antimony, Archival Disc, Atlanta, Bit, Blu-ray, CD player, CD-R, CD-ROM, CD-RW, China Blue High-definition Disc, Codec, Compact disc, Computing, Constant angular velocity, Constant linear velocity, Data compression, DataPlay, David Paul Gregg, Diffraction grating, Digital Multilayer Disk, Digital recording, Digital video, Direct-to-disk recording, DIVX, Double-density compact disc, DualDisc, DVD, DVD-Audio, DVD-R, DVD-RW, Enhanced Versatile Disc, Floppy disk, Fluorescent Multilayer Disc, Forward Versatile Disc, GD-ROM, Gigabyte, H.264/MPEG-4 AVC, Hard disk drive, HD DVD, High definition optical disc format war, High-definition television, Holographic Versatile Disc, Home video, Indium, Iridescence, James Russell (inventor), Lacquer, ..., Laser, Laser diode, LaserDisc, LS-R, M-DISC, Magnetic storage, Magneto-optical drive, Massachusetts Institute of Technology, Micrometre, MiniDisc, Multiplexed Optical Data Storage, Nanometre, National Institute of Standards and Technology, Netherlands, Nintendo optical discs, Numerical aperture, Nyquist rate, Optical disc drive, Optical disc recording technologies, Optical media preservation, Optical Storage Technology Association, Personal computer, Phase-change Dual, Phase-change material, Philips, Physicist, Pioneer Corporation, Polycarbonate, Professional Disc, Protein-coated disc, Reflectance, Revolutions per minute, Royalties, Silver, Sony, Super Audio CD, Super Video CD, Tellurium, Terabyte, Ultra Density Optical, Universal Media Disc, USB flash drive, VC-1, Versatile Multilayer Disc, VHS, Video, Video CD, Wavelength, Write once read many, 44,100 Hz. Expand index (50 more) » « Shrink index
AgInSbTe, or Silver-Indium-Antimony-Tellurium, is a phase change material from the group of chalcogenide glasses, used in rewritable optical discs (such as rewritable CDs) and phase-change memory applications.
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An alloy is a mixture of metals or a mixture of a metal and another element.
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Aluminium (or aluminum; see) is a chemical element in the boron group with symbol Al and atomic number 13.
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Antimony is a chemical element with symbol Sb (from stibium) and atomic number 51.
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Archival Disc (AD) is the name of a trademark owned by Sony Corporation and Panasonic Corporation describing an optical disc storage medium designed for long-term digital storage.
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Atlanta (locally) is the capital of and the most populous city in the U.S. state of Georgia, with an estimated 2013 population of 447,841.
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A bit is the basic unit of information in computing and digital communications.
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Blu-ray or Blu-ray Disc (BD, BRD) is a digital optical disc data storage format.
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A CD player is an electronic device that plays audio compact discs.
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CD-R (Compact Disc-Recordable) is a digital optical disc storage format.
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A CD-ROM is a pre-pressed optical compact disc which contains data.
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CD-RW (Compact Disc-Read/Writable) is a digital optical disc storage format.
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China Blue High-Definition (CBHD;; alternatively "China High Definition DVD") is a high definition optical disc format announced in September 2007 by the Optical Memory National Engineering Research Center (OMNERC) of Tsinghua University in China.
A codec is a device or computer program capable of encoding or decoding a digital data stream or signal.
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Compact disc (CD) is a digital optical disc data storage format.
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Computing is any goal-oriented activity requiring, benefiting from, or creating algorithmic processes—e.g. through computers.
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In optical storage, constant angular velocity (CAV) is a qualifier for the rated speed of an optical disc drive, and may also be applied to the writing speed of recordable discs.
In optical storage, constant linear velocity (CLV) is a qualifier for the rated speed of an optical disc drive, and may also be applied to the writing speed of recordable discs.
In digital signal processing, data compression, source coding, or bit-rate reduction involves encoding information using fewer bits than the original representation.
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DataPlay is an optical disc system developed by DataPlay Inc. and released to the consumer market in 2002.
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In optics, a diffraction grating is an optical component with a periodic structure, which splits and diffracts light into several beams travelling in different directions.
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Digital Multilayer Disk (DMD) is an optical disc format developed by D Data Inc.
In digital recording, audio signals or video signals are converted into a stream of discrete numbers, representing the changes over time in air pressure for audio, and chroma and luminance values for video, then recorded to a storage device.
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Digital video is a representation of moving visual images in the form of encoded digital data.
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Direct-to-disk recording (DDR) refers to methods by which analog signals and digital signals such as digital audio and digital video are digitally recorded to optical disc recording technologies such as DVDs, and CD optical discs.
DIVX (Digital Video Express) was an unsuccessful 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.
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Double-density compact disc (DDCD) is an optical disc technology developed by Sony using the same laser wavelength as compact disc, namely 780 nm.
DualDisc was a type of double-sided optical disc product developed by a group of record companies including MJJ Productions Inc, EMI Music, Universal Music Group, Sony/BMG Music Entertainment, Warner Music Group, and 5.1 Entertainment Group and later under the aegis of the Recording Industry Association of America (RIAA).
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DVD ("digital versatile disc" or "digital video disc") is a digital optical disc storage format invented and developed by Philips, Sony, Toshiba, and Panasonic in 1995.
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DVD-Audio (commonly abbreviated as DVD-A) is a digital format for delivering high-fidelity audio content on a DVD.
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DVD-R is a digital optical disc storage format.
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A DVD-RW disc is a rewritable optical disc with equal storage capacity to a DVD-R, typically 4.7 GB (4,812,800,000 bytes).
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The Enhanced Versatile Disc (EVD) is an optical-medium-based digital audio/video format, developed by Beijing E-World (a multi-company partnership including SVA, Shinco, Xiaxin, Yuxing, Skyworth, Nintaus, Malata, Changhong, and BBK), as a rival to the DVD to avoid the high royalty costs associated with the DVD format.
A floppy disk, also called a diskette or just disk, is a type of disk storage composed of a disk of thin and flexible magnetic storage medium, sealed in a rectangular plastic carrier lined with fabric that removes dust particles.
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Fluorescent Multilayer Disc (FMD) is an optical disc format developed by Constellation 3D that uses fluorescent, rather than reflective materials to store data.
FVD, or Forward Versatile Disc, is an offshoot of DVD developed in Taiwan jointly by the Advanced Optical Storage Research Alliance (AOSRA) and the Industrial Technology Research Institute (ITRI) as a less expensive alternative for high-definition content.
GD-ROM (an abbreviation of "Gigabyte Disc Read-Only Memory") is a proprietary optical disc format originally used for the Dreamcast video game console, as well as its arcade counterpart, the Sega NAOMI.
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The gigabyte is a multiple of the unit byte for digital information.
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H.264 or MPEG-4 Part 10, Advanced Video Coding (MPEG-4 AVC) is a video coding format that is currently one of the most commonly used formats for the recording, compression, and distribution of video content.
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A hard disk drive (HDD), hard disk, hard drive or fixed disk is a data storage device used for storing and retrieving digital information using one or more rigid ("hard") rapidly rotating disks (platters) coated with magnetic material.
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HD DVD (short for High Definition/Density Digital Versatile/Video Disc) is a discontinued high-density optical disc format for storing data and high-definition video.
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The High definition optical disc format war was between the Blu-ray Disc and HD DVD optical disc standards for storing high definition video and audio; it took place between 2006 and 2008 and was won by Blu-ray Disc.
High-definition television (HDTV) provides a resolution that is substantially higher than that of standard-definition television.
The Holographic Versatile Disc (HVD) is an optical disc technology developed between April 2004 and mid-2008 that can store up to several terabytes of data on an optical disc 10 cm or 12 cm in diameter.
Home video is pre-recorded media that is either sold or rented or streamed for home cinema entertainment.
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Indium is a chemical element with symbol In and atomic number 49.
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Iridescence (also known as goniochromism) is the property of certain surfaces that appear to change colour as the angle of view or the angle of illumination changes.
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James T. Russell (born 1931 in Bremerton, Washington) was an American inventor.
Lacquer is a clear or coloured wood finish that dries by solvent evaporation or a curing process that produces a hard, durable finish.
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A laser is a device that emits light through a process of optical amplification based on the stimulated emission of electromagnetic radiation.
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A laser diode, or LD, is an electrically pumped semiconductor laser in which the active laser medium is formed by a p-n junction of a semiconductor diode similar to that found in a light-emitting diode.
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LaserDisc (LD) is a home video format and the first commercial optical disc storage medium, initially licensed, sold, and marketed as MCA DiscoVision (also known as simply "DiscoVision") in North America in 1978.
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LS-R, or the Layer-Selection-Type Recordable Optical Disk, is the term coined by Hitachi in 2003 for a next-generation optical disc technology which allows much larger data storage densities than DVD, HD DVD or Blu-ray Disc, by allowing the use of a large number of data layers in a single disc.
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M-DISC (Millennial Disc) is a write once optical disc technology available in DVD and Blu-ray forms.
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Magnetic storage or magnetic recording is the storage of data on a magnetised medium.
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A magneto-optical drive is a kind of optical disc drive capable of writing and rewriting data upon a magneto-optical disc.
The Massachusetts Institute of Technology (MIT) is a private research university in Cambridge, Massachusetts.
The micrometre (International spelling as used by the International Bureau of Weights and Measures; SI symbol: µm) or micrometer (American spelling), also commonly known as a micron, is an SI derived unit of length equaling 1×10−6 of a metre (SI standard prefix "micro-".
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The MiniDisc (MD) is a magneto-optical disc-based data storage device for 74 minutes and, later, 80 minutes, of digitized audio or 1 gigabyte of Hi-MD data.
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Multiplexed Optical Data Storage is a system which involves using polarized light to increase the storage capacities of optical storage mediums.
The nanometre (International spelling as used by the International Bureau of Weights and Measures; SI symbol: nm) or nanometer (American spelling) is a unit of length in the metric system, equal to one billionth of a metre (m).
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The National Institute of Standards and Technology (NIST), known between 1901 and 1988 as the National Bureau of Standards (NBS), is a measurement standards laboratory, also known as a National Metrological Institute (NMI), which is a non-regulatory agency of the United States Department of Commerce.
The Netherlands (Nederland) is the main "constituent country" (land) of the Kingdom of the Netherlands.
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Nintendo optical discs are the optical disc format used to distribute video games released by Nintendo.
In optics, the numerical aperture (NA) of an optical system is a dimensionless number that characterizes the range of angles over which the system can accept or emit light.
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In signal processing, the Nyquist rate, named after Harry Nyquist, is twice the bandwidth of a bandlimited function or a bandlimited channel.
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In computing, an optical disc drive (ODD) is a disk 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.
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Optical disc authoring requires a number of different optical disc recorder technologies working in tandem, from the optical disc media to the firmware to the control electronics of the optical disc drive.
The preservation of optical media is essential because it is a resource in libraries, and stores audio, video, and computer data to be accessed by patrons.
The Optical Storage Technology Association (OSTA) is an international trade association which promotes the use of recordable optical technologies and products, and most notably it is responsible for the creation and maintenance of the UDF specification.
A personal computer is a general-purpose computer whose size, capabilities and original sale price make it useful for individuals, and is intended to be operated directly by an end-user with no intervening computer operator.
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Phase-Change Dual (PD) is a rewritable optical disc format introduced by Panasonic in 1995.
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A phase-change material (PCM) is a substance with a high heat of fusion which, melting and solidifying at a certain temperature, is capable of storing and releasing large amounts of energy.
Koninklijke Philips N.V. (Royal Philips, commonly known as Philips) is a Dutch diversified technology company headquartered in Amsterdam with primary divisions focused in the areas of electronics, healthcare and lighting.
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A physicist is a scientist who specializes in physics research.
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commonly referred to as Pioneer, is a Japanese multinational corporation that specializes in digital entertainment products, based in Kawasaki, Kanagawa, Japan.
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Polycarbonates (PC) are a group of thermoplastic polymers containing carbonate groups in their chemical structures.
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Professional Disc (PFD) is a digital recording optical disc format introduced by Sony in 2003 primarily for XDCAM, its new tapeless camcorder system.
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Protein-Coated Disc (PCD) is a theoretical optical disc technology currently being developed by Professor Venkatesan Renugopalakrishnan, Children's Hospital, Harvard Medical School.
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Reflectance of the surface of a material is its effectiveness in reflecting radiant energy.
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Revolutions per minute (abbreviated rpm, RPM, rev/min, r/min) is a measure of the frequency of rotation, specifically the number of rotations around a fixed axis in one minute.
A royalty is a payment made by one party (the "licensee") to another that owns a particular asset (the "licensor") for the right to ongoing use of that asset.
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Silver is a chemical element with symbol Ag (άργυρος árguros, argentum, both from the Indo-European root *h₂erǵ- for "grey" or "shining") and atomic number 47.
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, commonly referred to as Sony, is a Japanese multinational conglomerate corporation headquartered in Kōnan Minato, Tokyo, Japan.
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Super Audio CD (SACD) is a read-only optical disc for audio storage, introduced in 1999.
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Super Video CD (Super Video Compact Disc or SVCD) is a digital format for storing video on standard compact discs.
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Tellurium is a chemical element with symbol Te and atomic number 52.
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The terabyte is a multiple of the unit byte for digital information.
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Ultra Density Optical (UDO) is an optical disc format designed for high-density storage of high-definition video and data.
The Universal Media Disc (UMD) is an optical disc medium developed by Sony for use on their PlayStation Portable handheld gaming and multimedia platform.
A USB flash drive, also known under a variety of other names, is a data storage device that includes flash memory with an integrated Universal Serial Bus (USB) interface.
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SMPTE 421M, informally known as VC-1, is a video coding format.
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Versatile Multilayer Disc (VMD or HD VMD) is a high-capacity red laser optical disc technology designed by New Medium Enterprises, Inc..
The Video Home System (VHS) is a standard for consumer-level use of analog recording on videotape cassettes.
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Video is an electronic medium for the recording, copying, playback, broadcasting, and display of moving visual media.
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Video CD (abbreviated as VCD, and also known as Compact Disc digital video) is home home video format and the first format for distributing films on standard optical discs.
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In physics, the wavelength of a sinusoidal wave is the spatial period of the wave—the distance over which the wave's shape repeats, and the inverse of the spatial frequency.
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Write once read many (WORM) describes a data storage device in which information, once written, cannot be modified.
In digital audio, 44,100 Hz (alternately represented as 44.1 kHz) is a common sampling frequency.
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