EDITING SOUND FIELD PARAMETERS
57
English
ADDITIONAL
INFORMATION
What really 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 actually 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 Press AMP.
2 Select the sound field program you want to
adjust.
3 Press u / d to select
the parameters.
4 Press j / i to change
the parameter value.
EDITING SOUND FIELD PARAMETERS
What is a sound field Changing parameter settings
CODE SET
STANDBY
SYSTEM
POWER
CD
MD/CD-R
TUNER
V-AU XDVD
AMP
POWER POWER
REC
AUDIO
DISC SKIP
FREQ/RDS EON
STARTMODE PTY SEEK
AVTV
VCR
DTV/CBL
MULTI CH IN
SLEEP
MUTE
MENUTITLE
VOLUME
SET MENU
LEVEL
A/B/C/D/E
TEST
PRESET/CH
STRAIGHT
ROCKJAZZHALL
STEREO
4321
8
10
7
09
65
ENTER
MOVIETV THTRMUSIC ENTERTAIN
EX/ES
NIGHTq/DTS
DISPLAYRETURN
TV MUTE TV INPUT
TV VOL TV CH
SELECT
2
3,4
1
AMP
SET MENU
LEVEL
STRAIGHT
ROCKJAZZHALL
STEREO
4321
8
10
7
09
65
ENTER
MOVIETV THTRMUSIC ENTERTAIN
EX/ES
NIGHTq/DTS
PRESET/CH
SELECT
PRESET/CH
SELECT
01EN_00_RXV450_EB.book Page 57 Thursday, February 5, 2004 6:17 PM
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