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Room size. Presence. surround, and surround back room size. A@lsts the apparent size of the
surround sound field. The larger the value, the larger the surround sound field becomes. As the
som]d is repeatedly reflected around a room. the larger the hall is. the longer the time between
the original reflected sound and the subsequent reflections. By controlling the time between the
reflected sounds, you can change the apparent size of the virtual vemm. Changing this parameter
from one to two doubles the apparent length of the room.
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When you a@lst the room size parameters, we also recommend adjusting the corresponding
inifial delay parameters likewise. This adjustment is especially effective Dr the CINEMA DSP
programs.
Control range: 0.1 Io 2.0
Source gOuI)d
Time Time Time
Sound source
_), i j j, i j
Small vahle =/).l Large value = 2.0
Liveness. Surround and surround back sound field liveness. Atliusts the reflecfivity of the virtual
walls in the hall by changing the rate at which the early reflections decay. The early reflections of
a sound source decay much faster in a room with acoustically absorbent wall surfaces than in one
which has highly reflective surl:.ces. A room with acoustically absorbent surl_ces is relcrred to
as "dead". while a room with highly reflective surfaces is referred to as "live". This parameter
lets you at{just the early reflection decay rate and thus the "liveness" of the room.
Control range: 0 Io 10
aa ead
Time
I Small reflecled
I sound
Small value = 0
Source sound
Time Time
Large value = 10
64 En
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