Spatial Perception of Audio vs. The Home Theatre James D. Johnston Chief Scientist, DTS, Inc. FOR THE HOME _______________________ CINEMA IS DIFFERENT First, some geometry Home 12x19 Cinema 100x80 So what? First, time delay and 1/r^2 falloff for the cinema
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Spatial Perception of Audiovs.The Home Theatre
James D. Johnston
Chief Scientist, DTS, Inc.
FOR THE HOME
CINEMA IS DIFFERENT
The good news:
You get things like stereo imaging and location cues, even when sitting far beyond the critical distance in the room.
The bad news:
The first arrival from a loudspeaker locates the loudspeaker really, really well. Even when you don’t want it to.
Good news: This is a means to overlay the listening room venue with the desired venue.
Bad news: Direct loudspeakers really don’t help with the diffuse sound field, in fact they can hurt.
You can’t overlay a small T60 on a longer one.
Good news: These work even when overlaying one space with another.
Bad news: Standard 2-channel stereo overwrites some of these cues with its own synthetic cues.