Analog recording
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Analog (or analogue) recording (Greek, ana is "according to" and logos "relationship") is a technique used for the recording of analog signals which among many possibilities include audio frequency, analog audio and analog video information for later playback.
Analog recording methods store 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 of a magnetic recording. This is different from digital recording of which among many possibilities include digital audio and digital video, which digital signals are represented as data or discrete numbers.
The first successful demonstration of analog recording for audio was by Thomas Alva Edison.[1][not in citation given (See discussion.)] The first analogs of moving pictures were those of the Lumiere Brothers.[2][not in citation given (See discussion.)]
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[edit] Audio
Examples of analog audio recording are:
- Compact Cassette magnetic tape recorders
- Gramophone record (also known as a phonograph record, vinyl, etc.)
[edit] Video
Examples of analog video recording are:
- Quadruplex videotape (2")
- Videocassette recorder (VCR)
[edit] References
[edit] See also
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