Yamaha RX-V2400 - Manual (Page 79)

EDITING SOUND FIELD PARAMETERS
75
English
ADDITIONAL
INFO
RMA
T
IO
N
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-set
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 PARAMETER/SET MENU
to PARAMETER.
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.
4
Press k / n to select the
parameters.
EDITING SOUND FIELD PARAMETERS
What is a sound field Changing parameter settings
STEREO
EX/ES
DSP 10KEY
ROCK
MOVIE THX
MUTE VOLUME
STEREO
TV INPUT TV VOL CH
PRESET
DISC
PARAMETER
SET MENU
EFFECT
LEVEL ON SCREEN
TEST SLEEP
TV MUTE
MUSIC TV THTR ENTERTAIN
HALL CHURCH JAZZ
NIGHT /DTS
CHP/INDEX
A/B/C/D/E
1
5
9
6
10 +10 +100
7 8
2 3 4
1
3
4
2
5
PARAMETER
SET MENU
ON SCREEN
ON SCREEN STEREO
EX/ES
DSP 10KEY
ROCK
MOVIE THX
MUSIC TV THTR ENTERTAIN
HALL CHURCH JAZZ
NIGHT /DTS
CHP/INDEX
1
5
9
6
10 +10 +100
7 8
2 3 4
P05 ROCK CONCERT
R O O M S I Z E ; ; ; ; 1 . 0
L I V E N E S S ; ; ; ; ; ; ; 5
R E V . T I M E ; ; ; ; 1 . 6 s
R E V . D E L A Y ; ; 1 2 0 m s
D S P L E V E L ; ; ; ; 0 d B
I N I T . D L Y ; ; ; ; 1 5 m s >
Program No. Program name
Parameters Parameter values
Cursor
00_RX-V2400U_EN.book Page 75 Friday, October 10, 2003 10:54 AM