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Related to stereophonic sound: Stereophonic Sound Recording
stereophonic sound,sound recorded simultaneously through two or more electronic channels. For live recordings, microphones are placed in different positions relative to the sound source. The recorded sound is played back through loudspeakers placed more or less as the recording microphones were placed. The resulting sound does not emanate from a point source, but instead the voices or instruments composing the sound seem to be spread out as they would be naturally. Thus, some of the ambience of the recording hall is recreated. Almost all commercial recordings and motion pictures produced today use stereophonic sound, as do many television and frequency modulation (FM) radio programs. See record playerrecord player
device for reproducing sound that has been recorded as a spiral, undulating groove on a disk. This disk is known as a phonograph record, or simply a record (see sound recording).
..... Click the link for more information. ; sound recordingsound recording,
process of converting the acoustic energy of sound into some form in which it can be permanently stored and reproduced at any time.
In 1855 the inventor Leon Scott constructed a device called a phonautograph that recorded tracings of the vibrations of
..... Click the link for more information. ; compact disccompact disc
(CD), a small plastic disc used for the storage of digital data. As originally developed for audio systems, the sound signal is sampled at a rate of 44,100 times a second, then each sample is measured and digitally encoded on the 4 3-4 in (12 cm) disc as a series of
..... Click the link for more information. .