Digital recording

digitaldigitallydigitally recordeddigital audio recordingdigital recordersrecordedrecorded digitallydigital recorderDigital sound recordingsdigitally record
In digital recording, audio signals picked up by a microphone or other transducer or video signals picked up by a camera or similar device 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.wikipedia
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Sound recording and reproduction

recordingrecordedrecordings
The two main classes of sound recording technology are analog recording and digital recording.

Audio signal

audioaudio channelchannel
In digital recording, audio signals picked up by a microphone or other transducer or video signals picked up by a camera or similar device 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.

Bop till You Drop

Bop 'Til You Drop
The album was the first digitally recorded major-label album in popular music.

Smetana Quartet

Smetana
The Smetana Quartet made the third commercial digital recording ever made, Mozart's K.421 and K.458, in Tokyo April 24–26, 1972.

SPARS code

DDDADD
Beginning in the 1980s, music that was recorded, mixed and mastered digitally was often labelled using the SPARS code to describe which processes were analog and which were digital.
The SPARS code is a three-position alphabetic classification system developed in the early 1980s by the Society of Professional Audio Recording Services (SPARS) for commercial compact disc releases to denote aspects of the sound recording and reproduction process, distinguishing between the use of analog equipment and digital equipment.

Stomu Yamashta

Stomu Yamash'taStomu Yamash’taTsutomu Yamashita

The Nightfly

New FrontierNightfly
Recorded over eight months at various studios between New York City and Los Angeles, the album is an early example of a fully digital recording in popular music.

Ry Cooder

Cooder, RyRyland Peter "Ry" Cooder
His 1979 album Bop Till You Drop was the first popular music album released that was recorded digitally, using the early 3M digital mastering recorder.

Peter Gabriel (1982 album)

Peter GabrielSecurityWallflower
The album is an early full digital recording.

Synclavier

Synclavier IISynclavier programmingSynclavier 2
Ultimately, the system was referred to as the Synclavier Digital Recording "Tapeless Studio" system among many professionals.

Stevie Wonder

Little Stevie WonderWonderSteve Wonder
It was also his first digital recording, and one of the earliest popular albums to use the technology, which Wonder used for all subsequent recordings.

Stevie Wonder's Journey Through "The Secret Life of Plants"

Journey through the Secret Life of PlantsJourney Through "The Secret Life of Plants"Journey Through the Secret Life of Plants''
Journey is an early digital recording, released three months after Ry Cooder's Bop till You Drop, generally believed to be the first digitally recorded popular music album, with this album being the second.

Flim & the BB's

Flim and the BB's
It was around this time that Minneapolis-based 3M began experimenting with digital recording, and Flim & the BB's were hired to provide music to test this new equipment at Jung's studio.

Optical disc recording technologies

optical disc recording technologyoverburnOverburning
For optical disc recording technologies such as CDs or DVDs, a laser is used to burn microscopic holes into the dye layer of the medium.
There are numerous formats of recordable optical direct to disk on the market, all of which are based on using a laser to change the reflectivity of the digital recording medium in order to duplicate the effects of the pits and lands created when a commercial optical disc is pressed.

Digital cassettes

For digital cassettes, the read/write head moves as well as the tape in order to maintain a high enough speed to keep the bits at a manageable size.

Hard disk recorder

Direct to Disk RecordingDirect-to-disk recordingHDR
The first commercial hard disk recording system was the Sample-to-Disk 16-bit, 50 kHz digital recording option for the New England Digital Synclavier II in 1982.

ADAT

Alesis ADATDigital Audio TapeADAT recorder
With locate points it was possible to store sample exact positions on tape, making it easy to find specific parts of digital recordings.

Magnetic tape

tapetapesanalog tape
Digital recording to flash memory and hard disk has largely supplanted magnetic tape for most purposes.

Alesis

Alesis ADAT HD24ADAT HD24Alesis ADAT
With the same digital resolution as an Audio CD and a price that was a fraction of the other digital recording solutions for home recording at the time, the ADAT was a tremendous success, and its impact on the recording industry has been recognized by induction to the Technical Excellence & Creativity (TEC)nology Hall of Fame.

Sampling (signal processing)

sampling ratesamplingsample rate
The sample rate is just as important a consideration as the word size.

Magnetic storage

magnetic recordingmagnetic mediamagnetic disk
Instead of creating a magnetisation distribution in analog recording, digital recording only needs two stable magnetic states, which are the +Ms and -Ms on the hysteresis loop.

Optical disc

optical mediaoptical data storageoptical discs
There are numerous formats of optical direct to disk recording devices on the market, all of which are based on using a laser to change the reflectivity of the digital recording medium in order to duplicate the effects of the pits and lands created when a commercial optical disc is pressed.

Microphone

microphonescondenser microphonedynamic microphone
In digital recording, audio signals picked up by a microphone or other transducer or video signals picked up by a camera or similar device 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.

Transducer

transducerstransductiontransduce
In digital recording, audio signals picked up by a microphone or other transducer or video signals picked up by a camera or similar device 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.