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Cinema surround sound
Transcript of Cinema surround sound
Audio or Video?
What if there is no sound? Sound can make a difference Recognizeable sound
? What is surround sound?
Sound is everywhere
all the time even the most quiet ambient noises How do we hear it ? Human ear Can hear: Volume
Distance How does a sound system handle these? Volume
Distance Multiple speakers Speaker systems Mono 1.0 One channel Distance effect Only one direction Stereo 2.0 Two channels Different directions Left / right Surround 4.0 / 5.1 / 6.1 / 7.1 ... Multiple channels Sound coming from: left
rear Sound and Vision Audio recording Playback devices Room acoustics In cinematic experience there are Hands up for Video? Audio? Are both equally important? Why surround sound? Every sound has a direction Ambient sound for nice atmosphere makes movies alive Why not?