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Analog recording
 
 
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Analog (or analogue) recording (Greek, ana is "according to" and logos "relationship") is a technique used to store
Recording

Recording is a process of capturing data or translating information to a recording format stored on a storage medium often referred to as a record....
 signals of audio
Audio frequency

An audio frequency , or audible frequency is characterized as a periodic vibration whose frequency is audible to the average human. While the range of frequencies that any individual can hear is largely related to environmental factors, the generally accepted standard range of audible frequencies is 20 to 20,000 hertz....
 or video
Video

Video is the technology of electronics Videography, recording, processing, storing, transmitting, and reconstructing a sequence of still images representing Scene in motion....
 information for later playback
Playback

Playback may refer to:An album:*Playback *Playback *Playback In literature:*Playback , by Raymond Chandler**Playback , a screenplay by Raymond Chandler...
.

Analog recording methods store audio signals as a continual wave in or on the media. The wave might be stored as a physical texture on a phonograph record, or a fluctuation in the field strength
Field strength

In physics, the field strength of a field is the magnitude of its vector value.In theoretical physics, field strength is another name for the curvature form....
 of a magnetic recording.






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Analog (or analogue) recording (Greek, ana is "according to" and logos "relationship") is a technique used to store
Recording

Recording is a process of capturing data or translating information to a recording format stored on a storage medium often referred to as a record....
 signals of audio
Audio frequency

An audio frequency , or audible frequency is characterized as a periodic vibration whose frequency is audible to the average human. While the range of frequencies that any individual can hear is largely related to environmental factors, the generally accepted standard range of audible frequencies is 20 to 20,000 hertz....
 or video
Video

Video is the technology of electronics Videography, recording, processing, storing, transmitting, and reconstructing a sequence of still images representing Scene in motion....
 information for later playback
Playback

Playback may refer to:An album:*Playback *Playback *Playback In literature:*Playback , by Raymond Chandler**Playback , a screenplay by Raymond Chandler...
.

Analog recording methods store audio signals as a continual wave in or on the media. The wave might be stored as a physical texture on a phonograph record, or a fluctuation in the field strength
Field strength

In physics, the field strength of a field is the magnitude of its vector value.In theoretical physics, field strength is another name for the curvature form....
 of a magnetic recording. This is different from digital recording
Digital recording

In digital recording, the analog recording of video or sound is converted into a stream of discrete numbers, representing the changes in air pressure or Color and luminance values through time; thus making an abstract template for the original sound or moving image....
, which converts audio signals into discrete numbers.

The first successful demonstration of analog recording for audio was by Thomas Alva Edison. The first analogs of moving pictures
Moving Pictures

Moving Pictures may refer to:* Moving Pictures , a 1981 album by Rush* Moving Pictures , a Discworld novel by Terry Pratchett* Moving Pictures , an Australian music group...
 were those of the Lumiere Brothers.

Audio

The modern examples of analog audio recording are:
  • Gramophone record
    Gramophone record

    A gramophone record is an analog signal sound storage medium consisting of a flat disc with an inscribed modulated spiral groove usually starting near the periphery and ending near the centre of the disc....
     (also known as a phonograph record, vinyl, etc).
  • Magnetic tape
    Magnetic tape

    Magnetic tape is a medium for magnetic recording generally consisting of a thin magnetizable coating on a long and narrow strip of plastic. Nearly all recording tape is of this type, whether used for recording Audio frequency or video or for computer data storage....
    , magnetic tape sound recording
    Magnetic tape sound recording

    Magnetic tape has been used for sound recording for more than 75 years. Tape revolutionized both the radio broadcast and music recording industries....
  • Wire recording
    Wire recording

    Wire recording is a type of analogue audio storage in which the recording is made onto thin steel or stainless steel wire....


Video

The earliest forms of video
Video

Video is the technology of electronics Videography, recording, processing, storing, transmitting, and reconstructing a sequence of still images representing Scene in motion....
 recording used analog technology. John Logie Baird
John Logie Baird

John Logie Baird was a Scottish engineer and inventor of the world's first working television system. Although Baird's electromechanical system was eventually displaced by purely electronic systems , his early successes demonstrating working television broadcasts and his colour and cinema television work earn him a prominent place in televis...
 developed a system in the 1920s for the storage of video signals on conventional phonograph records, which he called Phonovision
Phonovision

Phonovision, an experimental process for recording a television signal on phonograph records, was developed in the late 1920s in London by Scottish television pioneer John Logie Baird....
. In the 1930s, he further developed the Intermediate Film Technique, which provided for an analog method of temporary video storage by using cine film.

See also

  • Analog signal
    Analog signal

    An analog or analogue signal is any continuous function Signal for which the time varying feature of the signal is a representation of some other time varying quantity, i.e analogous to another time varying signal....
  • Electrical Audio
    Electrical Audio

    Electrical Audio is a recording studio complex founded in Chicago, Illinois by musician and recording engineer Steve Albini in 1997. Hundreds of independent music projects have been recorded there....
     – Analog recording studio operated by Steve Albini
    Steve Albini

    Steven Frank Albini is an United States audio engineer, singer, songwriter, guitarist, and music journalist. He was a member of Big Black, Rapeman and Flour , and is currently a member of Shellac ....