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- Perspecta abstract "Perspecta was a directional motion picture sound system, invented by the laboratories at Fine Sound Inc. in 1954. As opposed to magnetic stereophonic soundtracks available at the time, its benefits were that it did not require a new sound head for the projector and thus was a cheaper alternative.Introduced as a \"directional sound system\" rather than a true stereophonic sound system, Perspecta did not use discretely recorded sound signals. Instead, three sub-audible tones at 30 Hz, 35 Hz, and 40 Hz are mixed appropriately and embedded in a monaural optical soundtrack, in addition to the audible sound. When run through a Perspecta integrator, depending on whenever each tone is present, the audio is fed into a left (30 Hz), center (35 Hz) and right (40 Hz) speaker. Unlike true stereophonic sound, which would be described as discrete tracks running in synchronization in time and phase, Perspecta merely panned a mono mix across various channels. Because of this, only isolated dialog or sound effects could be mixed to be directional. Mixed sound effects, dialog and music could not be suitably mixed. Aside from panning, Perspecta controlled gain levels for each channel through the amplitude of each control signal.MGM Studios and Paramount Pictures were major supporters and developers of Perspecta, and it was used on all Paramount VistaVision pictures when the system was unveiled in 1954, until it fell out of favor around 1958. Universal-International, Warner Bros., Columbia Pictures, United Artists, and Toho were among some of the other major studios to utilize Perspecta regularly.".
- Perspecta wikiPageExternalLink perspectaref.htm.
- Perspecta wikiPageID "7745537".
- Perspecta wikiPageLength "5625".
- Perspecta wikiPageOutDegree "52".
- Perspecta wikiPageRevisionID "684569277".
- Perspecta wikiPageWikiLink 3_Ring_Circus.
- Perspecta wikiPageWikiLink Artists_and_Models.
- Perspecta wikiPageWikiLink Athena_(film).
- Perspecta wikiPageWikiLink Away_All_Boats.
- Perspecta wikiPageWikiLink Bad_Day_at_Black_Rock.
- Perspecta wikiPageWikiLink Beau_Brummell_(film).
- Perspecta wikiPageWikiLink Bedevilled_(1955_film).
- Perspecta wikiPageWikiLink Category:Film_and_video_technology.
- Perspecta wikiPageWikiLink Columbia_Pictures.
- Perspecta wikiPageWikiLink East_of_Eden_(film).
- Perspecta wikiPageWikiLink Forbidden_Planet.
- Perspecta wikiPageWikiLink Gain_(electronics).
- Perspecta wikiPageWikiLink Gigi_(1958_film).
- Perspecta wikiPageWikiLink Gone_with_the_Wind_(film).
- Perspecta wikiPageWikiLink Hells_Island.
- Perspecta wikiPageWikiLink High_Society_(1956_film).
- Perspecta wikiPageWikiLink Infrasound.
- Perspecta wikiPageWikiLink Invasion_of_the_Body_Snatchers.
- Perspecta wikiPageWikiLink Jailhouse_Rock_(film).
- Perspecta wikiPageWikiLink King_Kong_vs._Godzilla.
- Perspecta wikiPageWikiLink King_Richard_and_the_Crusaders.
- Perspecta wikiPageWikiLink Kismet_(1955_film).
- Perspecta wikiPageWikiLink Lucky_Me_(film).
- Perspecta wikiPageWikiLink Lust_for_Life_(film).
- Perspecta wikiPageWikiLink Metro-Goldwyn-Mayer.
- Perspecta wikiPageWikiLink Paramount_Pictures.
- Perspecta wikiPageWikiLink Run_for_Cover_(film).
- Perspecta wikiPageWikiLink Sanjuro.
- Perspecta wikiPageWikiLink Signal_processing.
- Perspecta wikiPageWikiLink Sound-on-film.
- Perspecta wikiPageWikiLink Stereophonic_sound.
- Perspecta wikiPageWikiLink Strategic_Air_Command_(film).
- Perspecta wikiPageWikiLink The_Barefoot_Contessa.
- Perspecta wikiPageWikiLink The_Far_Horizons.
- Perspecta wikiPageWikiLink The_Hidden_Fortress.
- Perspecta wikiPageWikiLink The_Last_Hunt.
- Perspecta wikiPageWikiLink The_Seven_Little_Foys.
- Perspecta wikiPageWikiLink The_Seventh_Sin.
- Perspecta wikiPageWikiLink The_Spoilers_(1955_film).
- Perspecta wikiPageWikiLink The_Tender_Trap_(film).
- Perspecta wikiPageWikiLink This_Island_Earth.
- Perspecta wikiPageWikiLink To_Catch_a_Thief.
- Perspecta wikiPageWikiLink Toho.
- Perspecta wikiPageWikiLink United_Artists.
- Perspecta wikiPageWikiLink Universal_Studios.
- Perspecta wikiPageWikiLink Vertigo_(film).
- Perspecta wikiPageWikiLink VistaVision.
- Perspecta wikiPageWikiLink Warner_Bros..
- Perspecta wikiPageWikiLink Were_No_Angels_(1955_film).
- Perspecta wikiPageWikiLink White_Christmas_(film).
- Perspecta wikiPageWikiLink Yojimbo_(film).
- Perspecta wikiPageWikiLink Youre_Never_Too_Young.
- Perspecta wikiPageWikiLinkText "Perspecta Stereo".
- Perspecta wikiPageWikiLinkText "Perspecta directional audio".
- Perspecta wikiPageWikiLinkText "Perspecta".
- Perspecta wikiPageUsesTemplate Template:For.
- Perspecta subject Category:Film_and_video_technology.
- Perspecta hypernym System.
- Perspecta type Technique.
- Perspecta comment "Perspecta was a directional motion picture sound system, invented by the laboratories at Fine Sound Inc. in 1954. As opposed to magnetic stereophonic soundtracks available at the time, its benefits were that it did not require a new sound head for the projector and thus was a cheaper alternative.Introduced as a \"directional sound system\" rather than a true stereophonic sound system, Perspecta did not use discretely recorded sound signals.".
- Perspecta label "Perspecta".
- Perspecta sameAs Q2072458.
- Perspecta sameAs Perspecta.
- Perspecta sameAs パースペクタ・ステレオ.
- Perspecta sameAs m.026bp64.
- Perspecta sameAs Q2072458.
- Perspecta wasDerivedFrom Perspecta?oldid=684569277.
- Perspecta isPrimaryTopicOf Perspecta.