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Digital Sound Field Parameter Descriptions
You can adjust the values of certain digital sound field parameters so the sound fields are recreated accurately in your listening room. Not all
of the following parameters are found in every program.
EFCT TRIM (Effect Trim)
Function .................... This parameter adjusts the level of all the effect sounds within a narrow range.
Control Range ........... –3 dB - +3 dB
Description ................ Depending on the acoustics of your listening room, you may want to increase or decrease the effect level relative
to the direct sound.
INIT. DLY (Initial Delay)
Function .................... This parameter changes the apparent distance from the source sound by adjusting the delay between the direct
sound and the first reflection heard by the listener.
Control Range ........... 1 - 99 milliseconds
Description ................ The smaller the value, the closer the sound source seems to the listener. The larger the value, the farther the
apparent distance seems. For a small room, this parameter would be set to a small value, for a large room, set it to
a large value.
INIT. DLY INIT. DLY INIT. DLY
Sound Source
Sound Source
Reflection Face
Small value = 1 ms
Large value = 99 ms
Primary
Reflected Sound
Level
Level
Time Time
Time
P. INIT. DLY (Presence Initial Delay)
Function .................... This parameter adjusts the delay between the direct sound and the first reflection in the presence sound field.
Control Range ........... 1 - 99 milliseconds
Description ................ The larger the value, the later the first reflection begins.
RC. INIT. DLY (Rear Center Initial Delay)
Function .................... This parameter adjusts the delay between the direct sound and the first reflection in the rear center sound field.
Control Range ........... 1 - 49 milliseconds
Description ................ The larger the value, the later the first reflection begins.
S. INIT. DLY (Surround Initial Delay)
Function .................... This parameter adjusts the delay between the direct sound and the first reflection on the surround side of the
sound field. You can only adjust this parameter when at least two front channels and two rear channels are used.
Control Range ........... 1 - 49 milliseconds
Description ................ The larger the value, the later the first reflection begins. You can only adjust this parameter for the Dolby Digital
and DTS signals.
INIT. DLY
INIT. DLY
INIT. DLY
Reflection Face
Sound Source
Small value = 1 ms
Large value = 99 ms
Sound Source
Primary
Reflected Sound