stereophonic sound

(redirected from Stereo sound)

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
or phonograph,
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).
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; 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
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; 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
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References in periodicals archive ?
If the smartphone's home button cum fingerprint sensoris to the left, then you get the correct stereo sound.
Flawlessly recorded in wide screen, digital, high definition format with a Dolby stereo sound system, Matchstick Marvels is especially recommended for school and community library collections as a very special exploration of Acton's remarkable creations.
Just like the original silver version it delivers real stereo sound and great audio performance at all volume levels transforming your iPod into a stereo sound system to be enjoyed by all.
Following the success of his Raising Arizona tribute, Jason Lee has sold a variety show called The Stereo Sound Agency to the MTV with buddy Chris "Dune" Pastras as the host.
Suzuki Musical Instrument Corporation's new SS Series Digital Pianos include sixty-four-note polyphony, a built-in stereo sound delivery system, professionally arranged accompaniment, pitch bend and modulation wheels, plus digital reverb and chorus effects.
Stereo sound needs two channels, hence the generic rule-of-thumb is that audio requires 10MB/min.
The GP6-400 includes ethernet capability, stereo sound and a 19-inch monitor.
The dazzling new prints also have been digitally retouched, with digital stereo sound added and the film's original screen format restored.
Addonics Technologies Corporation has announced a low-cost portable 4x CD-ROM drive integrated with a Windows-compatible 16-bit stereo sound card that will add full multimedia capabilities to 386-, 486-, or Pentium-based desktop or laptop PCs.
Sound cards: On IBM-compatible systems, look for a 16-bit stereo sound card with wave-table capabilities, which uses the real sounds of instruments to play MIDI music files.
CD-ROMs have a much higher data capacity than floppy disks, making them best for storing the huge full-motion video and stereo sound files needed for multimedia.