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EDITING SOUND FIELD PARAMETERS
83
ADDITIONAL
INFORMATION
English
A significant factor that creates the rich, full tones of a live
instrument are the multiple reflections from the walls of
the room. In addition to making the sound “live”, these
reflections enable us to tell where the player is situated,
and the size and shape of the room in which we are sitting.
■ Elements of a sound field
In any environment, in addition to the direct sound coming
straight to our ears from the player’s instrument, there are
two distinct types of sound reflections that combine to
make up the sound field:
Early reflections
Reflected sounds reach our ears extremely rapidly (50 ms
– 100 ms after the direct sound), after reflecting from one
surface only — for example, from the ceiling or a wall.
Early reflections help add clarity to the direct sound.
Reverberations
These are caused by reflections from more than one
surface — walls, ceiling, the back of the room — so
numerous that they merge together to form a continuous
sonic “afterglow”. They are non-directional, and lessen
the clarity of the direct sound.
Direct sound, early reflections and subsequent
reverberation taken together help us to determine the
subjective size and shape of the room, and it is this
information that the digital sound field processor
reproduces in order to create sound fields.
If you could create the appropriate early reflections and
subsequent reverberations in your listening room, you
would be able to create your own listening environment.
The acoustics in your room could be changed to those of a
concert hall, a dance floor, or virtually any size room at
all. This ability to create sound fields at will is exactly
what YAMAHA has done with the digital sound field
processor.
You can enjoy good quality sound with the factory preset
parameters. Although you do not have to change the initial
settings, you can change some of the parameters to better
suit the input source or your listening room.
1 Set AMP/SOURCE/TV to AMP.
2 Turn on the video monitor and press ON
SCREEN repeatedly to select the full display
mode.
3 Select the sound field program you want to
adjust.
EDITING SOUND FIELD PARAMETERS
What is a sound field? Changing parameter settings
CLEAR
LEARN
RE–NAME
SET MENU
MENU
FREQ/RDS EON MODE PTY SEEK START
REC
DISC SKIP
EFFECT
TEST
RETURN
ON SCREEN
DISPLAY
STRAIGHT
NIGHT
AUDI O
PURE DIRECT
ENTER
LEVEL
TITLE
THX STANDARD EXTD. SUR
ENTERTAIN
MUSIC TV THTR MOVIE
STEREO HALL JAZZ
ROCK
3421
90
+10
ENT.
5678
TV MUTE TV INPUT
MUTE
MACROONOFF
A/B/C/D/E
SELECT
DTV DVR/VCR2VCR 1 DVD
V
-
AUX
CBL/SAT MD/TAPE
CD-R
PHONO TUNER CD
MULTI CH IN
VOL
+
–
POWER POWER POWER
SYSTEM
STANDBY
AVTV
SLEEP
INPUT MODE
A
B
CH
+
–
TV VOL
+
–
AMP
SOURCE
TV
2
4,5
3
1
AMP
SOURCE
TV
ON SCREEN
DISPLAY
THX STANDARD EXTD. SUR
ENTERTAIN
MUSIC TV THTR
MOVIE
STEREO HALL JAZZ
ROCK
3421
90
+10
ENT.
5678
P04 ROCK CONCERT
ROOM SIZE;;;;1.0
LIVENESS;;;;;;;5
REV.TIME;;;;1.6s
REV.DELAY;;120ms
DSP LEVEL;;;;0dB
INIT.DLY;;;;15ms
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Program No. Program name
Parameters Parameter values
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