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Analog recording
Category of techniques that allow later playback of analog signals / From Wikipedia, the free encyclopedia
Analog recording is a category of techniques used for the recording of analog signals. This enables later playback of the recorded analog audio.
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Analog audio recording began with mechanical systems such as the phonautograph and phonograph.[1] Later, electronic techniques such as wire[2] and tape recording[3] were developed.
Analog recording methods store analog signals directly in or on the media. The signal may be stored as a physical texture on a phonograph record, or a fluctuation in the field strength of a magnetic recording. Analog transmission methods use analog signals to distribute audio content.[4] These are in contrast to digital audio where an analog signal is sampled and quantized to produce a digital signal which is represented, stored and transmitted as discrete numbers.[5]