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	Digital recording - Wikipedia, the free encyclopedia
		In digital recording, the analog signal of a motion-picture/sound is converted into a stream of discrete numbers, representing the changes in air pressure (chroma and luminace values in case of video) through time; thus making an abstract template for the original sound.
		In the 1970s, Thomas Stockham makes the first digital audio recordings using standard computer equipment, as well as developing a digital audio recorder of his own design, the first of its kind to be offered commercially (through Stockham's Soundstream company).
		24-bit recording is generally considered a current practical limit as this word length allows a signal-to-noise ratio exceeding that of most analog circuitry, which by necessity must be used in at least two points in the recording/playback chain.
	en.wikipedia.org /wiki/Digital_recording (913 words)

	Digital Recording
		In a digital recording system, sound is stored and manipulated as a stream of discrete numbers, each number representing the air pressure at a particular time.
		In digital recording, large chunks of data are often wiped out by a tape dropout or a scratch on the disk.
		Digital circuits are complex, but very few of the components must be precise; most of the circuitry merely responds to the presence or absence of current.
	arts.ucsc.edu /ems/music/tech_background/TE-16/teces_16.html (1798 words)

	DAR Home Page
		The use of digital encoding in telecommunications and the other advances in DSP (digital signal processing), such as in speech synthesis, led to the use of DSP in recording.
		In 1972 Nippon Columbia began to digitally master recordings, and in the same year the BBC began using pulse code modulation for high-quality sound distribution in radio and television and in its studios began using an 8-track digital audio recorder with error correction.
		By the end of the decade, vinyl records and the equipment to record and play them were a quaint thing of the past, of interest only to a certain class of audiophile and to the historian.
	www.ieee.org /organizations/history_center/sloan/DAR/dar_index.html (556 words)

	Digital Sound Recording - Hutchinson encyclopedia article about Digital Sound Recording (Site not responding. Last check: 2007-10-07)
		These are recorded and, during playback, are reconverted to sound waves.
		The numerical values converted by computer represent the original sound-wave form exactly and are recorded on compact disc.
		This information should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional.
	encyclopedia.farlex.com /Digital+Sound+Recording (150 words)

	Digital Recording Techniques
		This table implies that the digital recorder has many advantages over its analog counterpart Performance of the analog recorder depends very much on the calibration and tape used, as well as on the environmental conditions such as temperature and humidity.
		This is not the case for a digital recorder, as long as errors generated are within the limits of error correctability of the particular device.
		Digital techniques for storing and transmission of audio signals are attractive because they offer high quality signals, which do not deteriorate with transmission distance, number of copies or time.
	www.digital-recordings.com /publ/pubrec.html (2303 words)

	OJR article: Going Digital
		Digital recording is easy and efficient: An hour-long interview saved in MP3 format takes up roughly 14 megabytes -- about the same amount of space needed to save four songs as MP3s.
		Also, since your interviews are in a digital format, with a click of the mouse you can move to any point in the interview, skipping right to the quotable parts.
		The recording becomes a great stand-alone piece of content that can be added as a sidebar to your story, allowing readers to hear the source for themselves.
	www.ojr.org /ojr/technology/1073512719.php (1424 words)

	Digital Audio Recording (Site not responding. Last check: 2007-10-07)
		While the incoming analog audio is being recorded, the ADC is creating many, many digital values in its conversion to a digital audio representation of what is being recorded.
		While you're recording some analog audio to a cassette tape, the tape is constantly passing over the record head.
		With digital audio tracks recorded to a HD, usually the limiting factor in how many virtual tracks can be simultaneously played, and how well the audio sounds, is the speed at which data can be read/written to your HD.
	www.midiweb.com /info/library/digital-audio.shtml (2539 words)

	Digital Audio Recorders
		Recording is always done at 44.1 kHz and a sampling rate converter is included that changes 32 and 48 kHz digital inputs.
		The source CD, DAT and MD recordings were digitally transferred to the Amiga to insure that no changes in the sound would be introduced.
		It is important to remember that the recording level had to be set manually and could account for changes in the overall amplitude of this recording.
	www.youngmonkey.ca /nose/articles/CU-Amiga_9809/SoundLab.html (1686 words)

	Digital Sound Recording
		The advantages of digital recordings is that the sound can be manipulated computationally, there is no degradation from an original to a copy, and the signal can be sent for long distances over telecommunications links without picking up noise.
		The disadvantage of digital representation is that digital is always just an approximation of the real sound (though the approximation may be so close that our ears can't hear the difference).
		If you are recording from a microphone, you may need to check that the mic is selected here and that the mic volume is adequate but not too loud.
	www.cortland.edu /flteach/mm-course/sound.html (1139 words)

	Digital_Recording (Site not responding. Last check: 2007-10-07)
		In a typical digital recorder the input signal is first
		The standard sampling rates for digital recording are 44.1 and 48 kHz.
		A second major advantage of digital recording is that a
	www.sfu.ca /sonic-studio/handbook/Digital_Recording.html (254 words)

	U.S. Copyright Office - 128-Bit Browsers
		(1) A "digital audio copied recording" is a reproduction in a digital recording format of a digital musical recording, whether that reproduction is made directly from another digital musical recording or indirectly from a transmission.
		(ii) in which one or more computer programs are fixed, except that a digital musical recording may contain statements or instructions constituting the fixed sounds and incidental material, and statements or instructions to be used directly or indirectly in order to bring about the perception, reproduction, or communication of the fixed sounds and incidental material.
		The term "digital reproduction of a digital musical recording" does not include a digital musical recording as distributed, by authority of the copyright owner, for ultimate sale to consumers.
	www.copyright.gov /title17/92chap10.html (3444 words)

	Tom Stockham and Digital Audio Recording (Site not responding. Last check: 2007-10-07)
		Companies such as Denon had been experimenting with digital recording since 1971, but Stockham was the first to make a commercial digital recording, using his own Soundstream recorder in 1976 at the Santa Fe Opera, and demonstrating the recordings at the fall 1976 AES convention.
		The first commercial digital recording to be released for sale was by Telarc of Frederick Fennell and the Cleveland Symphonic Winds, recorded in spring, 1978.
		Soundstream merged with Digital Recording Corporation in 1980 and became DRC/Soundstream, but from 1975-80 Stockham with the help of scientists such as Jules Bloomenthal made over 500 digital masters with a completely computerized editing system, and pioneered tapeless hard disk editing.
	history.acusd.edu /gen/recording/stockham.html (577 words)

	Video recording formats
		Recording technique is similar to Betacam SP but uses some enhancements which compensate for the lower tape speed.
		Digital S rivals the much more expensive Digital Betacam in terms of picture quality because of the mild compression and 4:2:2 quantizing.
		JVC's Digital S editing deck sports a rarely seen feature, video pre-read head, which allows the old video recording to be played back while recording new signal just after that.
	users.tkk.fi /~iisakkil/videoformats.html (3659 words)

	Video Surveillance (Site not responding. Last check: 2007-10-07)
		Download a copy of the Digital Recording brochure or explore a complete range of digital recorders to fit any application and budget.
		At just 8.5 inches wide, it may be the smallest digital video recorder on the market and fits easily under a counter or any other tight spot.
		Digital video storage system expands your video storage capacity by up to 960 GB, allowing you to store weeks, months, even years of footage.
	www.geindustrial.com /ge-interlogix/kalatel/prd_digital_rec.html (653 words)

	Acoustic Guitar Central: Digital Recording on a Home Computer
		Until just a few years ago, recording digital audio onto a hard disk was reserved for those with access to high-dollar studios, but it has now become one of the most common and economical means of capturing music.
		However, whether you're thinking about adding digital recording capabilities to the computer you already own or you're starting to assemble a dedicated workstation from scratch, you can be recording soon after loading some software and plugging in a few boxes.
		When recording to tape, you have to spend time searching for the perfect punch-in point, rehearse the punch, and then record the section, hoping that you haven't screwed up the original track.
	www.acousticguitar.com /issues/ag114/feature114.html (3751 words)

	Digital Home Recording Studio
		Typical low and average budget recording studios of 1980-1990th consisted of different musical instruments, microphones, analog preamplifiers and power amplifiers, speakers, monitors, a mixing console, multichannel type recorder and sound processing device.
		Audio data in digital format are stored on the hard disc of part A though they can be moved to the hard disc of part B. Each of 10 channels (and all of them simultaneously) can be processed in real time with the following effects: equalizer, compression, reverb, chorus, flanger, noise suppression, pitch-shifter and time-stretch.
		For example, a guitar sound recorded on the first channel of a virtual type recorder is processed by a digital chorus (Pro Tools), passed to DAC, then processed by analog distortion (SansAmp, WayHuge, TS-9), turned back to digital format by ADC and, finally, recorded by the digital type recorder again.
	www.geocities.com /SiliconValley/Pines/7899/studio/pcstudio.htm (2255 words)

	Digital Recording - Real Time (Site not responding. Last check: 2007-10-07)
		The Synectics range of Real-time, and Time-lapse Later™ digital recording systems are designed to satisfy the most demanding of CCTV applications, providing a robust and reliable high-performance solution.
		The Modular Digital Recording Systems (MDRS) meet the needs of today’s major CCTV schemes, where excellent picture quality, security of images and evidential value are determining factors.
		They provide a truly scaleable and flexible recording solution which acknowledges the importance of recorded data, speed of data retrieval, major incident support and future expansion requirements.
	www.synectics.co.uk /p_digital.htm (82 words)

	Digital Recording
		One of the world's most modern recording facilities, Round Mountain Sound is nestled in the foothills of the Cumberland Plateau near the gateway to Big South Fork National Park River and Recreation Area.
		With its 1800 square foot facility Round Mountain Studios is capable of handling anything from solo recordings to a large choir.
		We record all types of music, from gospel to rock and roll and everything in between.
	www.roundmtnsound.com /digital_recording.htm (195 words)

	Howstuffworks "How Analog and Digital Recording Works"
		When CDs were first introduced in the early 1980s, their single purpose in life was to hold music in a digital format.
		In order to understand how a CD works, you need to first understand how digital recording and playback works and the difference between analog and digital technologies.
		In this article, we will examine analog and digital recording so that you have a complete understanding of the difference between the two techniques.
	www.howstuffworks.com /analog-digital.htm (81 words)

	CCTV Digital Recording
		The 200 DVR series adds faster recording rates to the already long list of value added features that 3R has become renowned for.
		Overall system recording capability is 120 fps, which is up to a four fold increase over conventional digital recorders.
		Recording for 8 channel models is as high as 15 fps/camera, and 7.5 fps/camera for 16 channel models.
	www.dumac.com /solutions/cctv/digitalrecording (253 words)

	Mackie - Digital X Bus
		The Digital X Bus’s “modular” hardware architecture provides access to internal components simply by removing the rear panel of the chassis.
		Importantly, the Digital X Bus platform allows all sample-rate related components to be upgraded, so you wont be left behind if or when new audio standards emerge.
		Speaking of plug-ins, with the Digital X Bus’s extensive processing power, it is also the first digital console able to run select VST plug-ins internally.
	www.mackie.com /products/digitalxbus (1110 words)

	Welcome to NP Studios
		NP Recording Studios relies on digital technology for storage, editing and mastering, yet all inputs, dynamics and effects are provided via leading edge digital and vintage analog components.
		Maximizing the strengths of both the analog and digital worlds, NP Recording Studios' approach is simple: the sound you hear is the sound you record.
		Rather, we rely on our years of experience, and the proper combination of the technology available, to ensure that the sound being produced by your instrument or voice is the sound you hear from the final product.
	www.npstudios.com (279 words)

	CIEFFE - High Performance digital CCTV systems with smart algorithm and permanency detection
		SPECTIVA RT is a true multi-compression DVMS — it supports CIEFFE Wavelet 2D, Enpacta (Wavelet 3D), MPEG4 Main Profile and the new hardware DSP based compression engine is capable of switching several compression algorithms on-the fly on a per camera basis.
		Available in a new configuration with 6 or 12 inputs, LINEARIS seamlessly combines various recording modes with internal motion detection features, fast search capabilities, external alarm inputs and built in relay outputs.
		Recording time is dramatically increased while bandwidth and storage costs are significantly reduced.
	www.cieffe.com (304 words)

	Digital Video Recording
		For the most part, this paper is based on the Digital Interface for Consumer Electronic Audio/Video Equipment, Draft 2 (DI Draft 2), jointly presented by Philips, Matsushita, Thomson Multimedia, and Sony to the October 1995 meeting of the (IEEE) 1394 Trade Association.
		DV uses helical azimuth recording (+/- 10 degrees), which requires a minimum of two heads on a drum rotating at approximately 9,000 rpm for NTSC video (exactly 9,000 rpm for PAL and SECAM.) The track width is 10 microns (millionths of a meter), compared with Hi8's 20.5 microns and VHS's 58 microns.
		An advantage of digital recording is that a substantial amount of auxiliary data can accompany the digitized audio and video.
	seaspray.trinity-bris.ac.uk /~altwfaq/graphics/video/1394/1394formats.html (2729 words)

	Amazon.com: Digital CD Recording Studio 2.0: Software (Site not responding. Last check: 2007-10-07)
		For those who are concerned with improving the quality of your recordings (and, who isn't, when we're talking about upgrading the analog to the digital?), you won't want to miss the PlayInfo panel, which measures instantaneous volume peaks in decibels.
		Once you're set up, you'll be able to record from this source through the software, unpack the large recording file into individual tracks, clean up your recording, and produce your CD--all with relative ease.
		Recording through this package allows you to record in stereo or mono, and you can choose a range of sampling (from 11.025 kHz to 44.1 kHz).
	www.amazon.com /exec/obidos/ASIN/B00004SUK1/northwestfunding (1128 words)

	Amazon.com: Sony ECMMS907 Digital Recording Microphone: Electronics (Site not responding. Last check: 2007-10-07)
		This mic is ideal for portable DAT or MD digital recorders, with a frequency response of up to 18,000 Hz and a 90 dB dynamic range, and is a great complement to digital recording systems.
		I didn't find the recordings to be as good when I attempted to record from some distance away from the piano.
		Recording from close up and adjusting the sensitivity in the software to avoid distortion seems to be the best way to accomplish my purpose.
	www.amazon.com /exec/obidos/tg/detail/-/B00001W0DT?v=glance (1482 words)

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