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Topic: Digital Audio Tape

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Audio Home Recording Act

Sound recording

Compact cassette

Digital Compact Cassette

List of audio formats

Helical scan

Magnetic tape

Phonograph cylinder

Audio data compression

Gramophone record

Compact audio cassette

MiniDisc

Compact disc

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	Digital Audio Tape - DAT
		DAT which is abbreviated as Digital Audio Tape is used to reduce the gap between low level tape drives which includes Travan and high level products which includes DLT.
		The digital audio tape is primarily used as server attached storage for backup.
		The digital audio tape is cost effective than disk technology when it comes to cost per gigabyte, and it is the most reliable way to prevent data corruption from digital code viruses.
	www.tapedatarecovery.net /dat-tapes.html (588 words)

	DAT = Digital Audio Tape - audiotools.com.
		Digital Audio Tape (hereafter DAT) is a recordable audio format conceived by the Japanese conglomerate Sony in the mid 80's with the intention to replace the venerable compact cassette.
		Tascam, who are the professional audio division of Teac is one of the staunchest supporters of the DAT technology, they have often had less troublesome transports than some of the other consumer/semi pro makes.
		Had a DAT car player called DTP 08 that was an OEM version from JVC and in addition to playing digital audio tapes had the usual radio and built in amplifier, playback of 44,1 and 48KHz tapes only.
	audiotools.com /dat.html (1822 words)

	DIGITAL AUDIO TAPE - Definition
		Most DAT recorders appear to be a cross between a typical analog cassette deck and a compact disc player.
		DAT tapes have only one recordable side and can be as long 120 minutes.
		Most computer DAT recorders use DDS format which is the same as audio DAT but they usually have completely different connectors and it is not always possible to read tapes from one system on the other.
	www.hyperdictionary.com /dictionary/Digital+Audio+Tape (361 words)

	Digital Audio Tape - Definition, explanation
		DAT tapes longer than 60 meters tend to be problematic in DAT recorders due to the thinner media.
		DAT was not the first digital audio tape; an early form known as pulse-code modulation (PCM) was used in Japan to produce analog phonograph records in the early 1970s using a videotape recorder for its transport, but it was not developed into a consumer product.
		Modern DAT has not been very popular outside of professional and semi-professional music artists, although the prospect of perfect digital copies of copyrighted material was sufficient for the music industry in the US to force the passage of the Audio Home Recording Act of 1992, the so-called DAT Tax.
	www.calsky.com /lexikon/en/txt/d/di/digital_audio_tape.php (634 words)

	tape recorder - Encyclopedia.com
		tape recorder device for recording information on strips of plastic tape (usually polyester) that are coated with fine particles of a magnetic substance, usually an oxide of iron, cobalt, or chromium.
		In audio recorders, the sound to be recorded is picked up by a device such as a microphone, and transformed into an electric current.
		The current is fed to a transducer in the recording head of the tape recorder, which converts it into corresponding magnetic flux variations that magnetize the particles on the tape.
	www.encyclopedia.com /doc/1E1-tapereco.html (826 words)

	AllRefer.com - Digital Audio Tape Information
		Digitally recorded audio tape produced in cassettes that can carry up to two hours of sound on each side and are about half the size of standard cassettes.
		DAT machines are constructed like video cassette recorders (though they use metal audio tape), with a movable playback head, the tape winding in a spiral around a rotating drum.
		By 1990, DATs for computer data had been developed to a capacity of around 2.5 gigabytes per tape, achieved by using helical scan recording (in which the tape covers about 90% of the total head area of the rotating drum).
	www.allrefer.com /digital-audio-tape (329 words)

	Digital Audio Tape
		DAT tapes (digital audio tapes) were first created in the 1980s by Sony and Philips.
		DAT tapes look quite a bit like ordinary audio cassette tapes, although their proportions are much smaller.
		DAT tapes have not caught on with the public as well as they have with pros.
	www.tape.com /digital-audio-tape.html (250 words)

	magnetictape
		Stroke one of the tapes with the north pole of the magnet.
		The south pole of the tape is attracted by the north pole of the magnet, and repelled by a south pole.
		The south pole suddenly attracts the tape &emdash; which it had been repelling&emdash; when the magnetic field of the magnet becomes strong enough to re-magnetize the tape, creating a north pole where a south pole had been.
	www.exo.net /~pauld/activities/magnetism/magnetictape.html (855 words)

	Digital Audio Tapes ( Audiotapes, Audio Tapes, and DAT) Definition
		A DAT drive is a digital tape recorder with rotating heads similar to those found in a video deck.
		DIGITAL AUDIO TAPES DEFINITION (continued): … standard archiving technology in professional and semi-professional recording environments for master recordings.
		Digital inputs and outputs on professional DAT decks allow the user to transfer recordings from the DAT tape to an audio workstation for precise editing.
	www.bitpipe.com /tlist/Digital-Audio-Tapes.html (313 words)

	Audio Technologies - History of Recordings (Site not responding. Last check: )
		But digital recording and optical playback technologies were being refined in the lab, promising a profound departure from the past.
		With digital recording, however, the amplitude of the original waveform is sampled at regular intervals (tens of thousands of times per second), and numeric values are assigned to those samples, which in turn are transmitted or stored as binary code.
		The digital code of sampled sound is stored on disc as a series of non-reflective "pits" in an otherwise reflective surface (the "land"), and is read by a laser pickup.
	www.riaa.com /issues/audio/history.asp (2159 words)

	DAT Heads FAQ
		DAT records up to 120 minutes of uninterrupted music on a tape which is 2/3 the size of a cassette.
		One of the biggest advantages of digital audio is that many performance parameters that are difficult to achieve in analog machines are perfected beyond the point of measurability in digital machines.
		People taping outside of the taper section are not complying with the artist's wishes and also risk being shut down, having their tapes confiscated, having their equipment held or confiscated, being thrown out of the concert, being arrested, sued, etc. The taper section offers some distinct advantages to the taper.
	www.minidisc.org /dat-heads-faq.html (18632 words)

	DAT = Digital Audio Tape - audiotools.com.
		Digital Audio Tape (hereafter DAT) is a recordable audio format conceived by the Japanese conglomerate Sony in the mid 80's with the intention to replace the venerable compact cassette.
		Tascam, who are the professional audio division of Teac is one of the staunchest supporters of the DAT technology, they have often had less troublesome transports than some of the other consumer/semi pro makes.
		Had a DAT car player called DTP 08 that was an OEM version from JVC and in addition to playing digital audio tapes had the usual radio and built in amplifier, playback of 44,1 and 48KHz tapes only.
	www.audiotools.com /dat.html (1822 words)

	Compact Discs (Site not responding. Last check: )
		The DAT tape sounded much better than the old, analog cassette tape and therefore musicians found it easier to record from a DAT than an analog audio tape.
		The DAT is merely a copy of the analog tape that digitally represents the sound, which means that binary data, zeroes and ones, are being read off the tape.
		The DAT tape is 2 times smaller than a traditional cassette tape and uses something called a helical scan to record data.
	www.sinc.sunysb.edu /Class/cei511/2.html (336 words)

	Digital audio tape recorder and music program jump selecting method thereof - Patent 5121269
		In general, when a cassette is placed in a DAT to reproduce or record a program, the TOC information written in the subcode region of the first program recorded o the tape is automatically read, and thereafter a search, etc., is performed at a high speed based on the read TOC information.
		However, in a conventional DAT, when a new cassette is loaded, the TOC information is automatically read irrespective of the state of a tab provided for preventing the unintentional erasure of the cassette.
		In this embodiment, the tape recorder has the same general construction as that of a conventional DAT, but further includes an erasure-preventing tab detector 21 for detecting the open and closed states of a tab for preventing inadvertent erasure of the cassette.
	www.freepatentsonline.com /5121269.html (3102 words)

	Prefect's Pages.. Publications .. IQP .. Digital Audio Tape (DAT)
		DAT decks sample with a 16-bit resolution, meaning 16 individual ones or zeroes are used to represent one sample.
		DAT is also relatively free from the noise problems associated with analog tape.
		As the magnetic oxide flakes off of the tape, the DAT deck becomes incapable of reading the data, and produces a noise somewhere in between an explosion and someone scraping their fingernails on a chalkboard.
	www.gweep.net /~prefect/pubs/iqp/node100.html (530 words)

	New Page 2 (Site not responding. Last check: )
		DAT records the audio signal by converting the analog sound into a digital signal.
		However, one of the legal issues delaying the release of the DAT recorded was in fact its ability to record digital signals.
		During the design of the DAT Recorder, Engineers and Manufacturers had to work together to establish a standard so as not to repeat the Beta and VHS format wars and later 8 mm.
	www.sinc.sunysb.edu /Class/cei511/dat.htm (297 words)

	O'Reilly Store -- Digital Audio
		This book enables beginners and experienced users of audio editing software to quickly grasp the concepts and techniques used by Adobe Audition to produce audio soundtracks for any application.
		Designing Web Audio is the most complete Internet audio guide on the market, loaded with informative real-world case studies and interviews with some of the world's leading audio and web… Read more.
		Written in a clear and straight-forward style, this book explains what digital audio recording is,how to use it, the equipment you need, what sort of software is available, and how… Read more.
	www.oreilly.com /pub/topic/digitalaudio (1770 words)

	Audio Tape May Reveal Secrets Of JFK's Assassination
		Scientists are to produce a digital copy of the only known audio recording of the assassination to allow researchers to analyse the sound of the gun-shots captured on the recording.
		The original, preserved on an analogue tape, has not been played since the early 80s because it is so fragile.
		This gave rise to all manner of theories, most famously that there was a second gunman on the infamous grassy knoll on the edge of the plaza.
	www.rense.com /general56/joofk.htm (298 words)

	Digital Audio DAT Tape (Site not responding. Last check: )
		DDS (Digital Data Storage) 4mm tape generally comes in 60 meter (120 minute) or 90 meter (180 minute) lengths and is designed for "mission critical" computer tape backup.
		The tape used for 60 meter (120 minute) computer grade DDS tapes and audio tape is basically the same (90 meter being thinner).
		Computer grade tape is taken from the center of the roll (before slitting), and must meet strict ANSI standards.
	www.tape.com /prodinfo/dats/maxell-dds.html (169 words)

	Digital Audio Tape Basics
		Python is the code name for a family of DAT tape drives originally trade marked by the Archive company which was purchased by Conner which merged with Seagate.
		If the tape was written with a blocking factor that does not exceed the limit for that device, the block size is determined automatically when reading a tape for devices with variable block size.
		Four recognition holes allow the drive sensors to identify the type of tape, its magnetic thickness, and to determine whether the tape is prerecorded or unrecorded or is a cleaning cartridge.
	www.4crawler.com /Hardware/Tape_Drives/DAT.shtml (4281 words)

	Product Review - SONY PCM-R500 Digital Audio Tape (DAT) Cassette Deck with SBM - June, 1997
		DAT recorders place the audio signal on the tape in the form of 1s and 0s (digital bits), just like on CDs, and you have the choice of recording in exactly the same sampling frequency (44.1 kHz) and word length (16 bits) as CDs, along with some other choices if you wish.
		Running the digital out from the Sony R500 through both the A.A. jitter filter and the D/A processor provided a very subtle gain in transparency, but with most music the differences between that and the direct analog-out feed of the Sony were negligible.
		For example, when making multiple cassette dubs from DAT masters (the best of them on a Dolby S cassette deck), I run the R500's analog out directly into the dubbing bus rather than using the filter and processors in the chain; the difference would not be heard on the final cassette playback anyway.
	www.hometheaterhifi.com /volume_4_2/sonydat.html (1517 words)

	Tutorial - Basics - Part 1 - Digital Audio
		A tape recorder translates the waveform yet again - this time from an electrical signal on a wire, to a magnetic signal on a tape.
		Digital files can be copied as many times as you want, with no loss in quality, and they can be burned to an audio CD or shared via the Internet.
		Digital audio files can also be edited much more easily than analog tapes.
	audacity.sourceforge.net /manual-1.2/tutorial_basics_1.html (1258 words)

	digital audio tape - OneLook Dictionary Search
		Digital Audio Tape : CCI Computer [home, info]
		Digital Audio Tape : Extragalactic Astronomy [home, info]
		Digital Audio Tape : Sweetwater Music [home, info]
	www.onelook.com /?loc=rescb&w=digital+audio+tape (118 words)

	Global Equipment Network, Inc. - Conference Meeting Setups
		Audio Cassette is probably the most popular format available due to the number of people who have audio cassette players and the relatively inexpensive audio cassette.
		Audio cassettes are losing ground to the CD due to the popularity of CD Players, the CD's digital format, and the drop in price of recordable CD Media.
		Duplicators are used at conferences where the audio tapes are made available for sale to the participants.
	www.globalav.com /recording.htm (484 words)

	tape recorder. The Columbia Encyclopedia, Sixth Edition. 2001-05
		In audio recorders, the sound to be recorded is picked up by a device such as a microphone, and transformed into an electric current.
		The current is fed to a transducer in the recording head of the tape recorder, which converts it into corresponding magnetic flux variations that magnetize the particles on the tape.
		Digital tape recording devices are also used to store information from a computer.
	www.bartelby.com /65/ta/tapereco.html (295 words)

	Communications Electronics Inc. - VR204 Digital Audio Logging Recorder / VP204 Logger Playback Deck
		Upon resumption of tape recording, the memory module downloads the audio that was not recorded in real-time, thus maintaining the completeness of the taped log.
		The Eventide VR204 digital audio logging recorder/player and the VP204 logger playback deck use the same DAT tapes and recording format of the 24-channel Eventide VR240 and Dictaphone 9800 units.
		Output from DAT tape channels is mixed with mic audio to audio outputs; used for annotating DAT audio playback to dubbing recorder
	www.usascan.com /files/vr204_vp204.html (715 words)

	A new tape to record your favorite numbers - digital audio tape Discover - Find Articles
		In conventional video and audio tape recorders, the heads place an electromagnetic representation of light and sound waves directly onto the tape.
		Tape damage that would be heard as just an annoying hiss or pop on a standard analog machine would be inter- preted as a number on a DAT system, which could translate that number into, say, unwanted forte in the middle of a delicate pianissimo.
		DATs would permit duplications of unparalleled quality, but audio equipment companies claim to have made digital-to-digital duping impossible: the sampling rate at which DATs record isn't the same as those of CDs and pre-recorded DAT tapes.
	www.findarticles.com /p/articles/mi_m1511/is_v8/ai_4790856 (881 words)

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