Bedienungsanleitung Yamaha RX-V2400 (Seite 76 von 91) (Englisch)

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EDITING SOUND FIELD PARAMETERS

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

PRESET

DISC

PARAMETER

SET MENU

EFFECT

LEVEL

ON SCREEN

TESTSLEEP

TV MUTE

MUSIC

TV THTR

ENTERTAIN

HALL

CHURCH

JAZZ

NIGHT

/DTS

CHP/INDEX

A/B/C/D/E

10 +10 +100

234

PARAMETER

SET MENU

ON SCREEN

STEREO

EX/ES

DSP

10KEY

ROCK

MOVIE THX

MUSIC

TV THTR

ENTERTAIN

HALL

CHURCH

JAZZ

NIGHT

/DTS

CHP/INDEX

10 +10 +100

234

P05 ROCK CONCERT

ROOM SIZE;;;;1.0

LIVENESS;;;;;;;5

REV.TIME;;;;1.6s

REV.DELAY;;120ms

DSP LEVEL;;;;0dB

INIT.DLY;;;;15ms

Program No. Program name

Parameters Parameter values

Cursor

01EN00_RX-V2400RDS_EN.book Page 74 Thursday, November 6, 2003 11:49 AM

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