HRTF - Head-Related Transfer Function = a model of the “EQ Curve” generated by your head & ears based on the direction of the sound source - this HRTF is convolved onto the ambisonic files 4 channels: LCR + mono surround Dolby Digital Surround (1990's) - 5.1 standard introduced - AC3 codec Others: 6.1, 7.1 source:Ĭan consist of “Audio Object” and sound field information Generally delivered in Ambisonic B-format - W,X,Y,Z files – order depends on encoder used - more on this next week. ![]() Pan pot, click track, multitrack recording & overdubbing L-C-R speakers across the front Manually switched or panned surround speakers Forerunner of modern theatrical sound for moviesĢ Quad Early surround format for music (1970's)Ĭonsisted of 4 speakers (theoretically located in each corner of the playback room) Dark Side of the Moon (Pink Floyd) Format wars, difficulty with finding suitable delivery media, and poor speaker placement contributed to its demise.ģ Theatrical Surround Dolby True Stereo (1977: Star Wars) Presentation on theme: "Fantasound Developed by Disney for “Fantasia” (1940)"- Presentation transcript:ġ Fantasound Developed by Disney for “Fantasia” (1940)
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