Sony STR-DA90ESG Operating Instructions - Page 61

Additional

Information

Glossary

Center

mode

Setting

of

speakers

to

enhance

Dolby

Pro

Logic

Surround

mode.

To

obtain

the

best

possible

surround

sound,

select

one

of

the

four

center

modes

(WIDE,

NORMAL,

PHANTOM

or

3

CH

LOGIC)

according

to

your

speaker

system.

Dolby

Pro

Logic

Surround

Decoding

system

of

Dolby

Surround

sound

standardized

in

TV

programs

and

movies.

Compared

with

the

-

former

Dolby

Surround

system,

Dolby

Pro

Logic

Surround

improves

sound

image

by

using

four

separate

channels:

off

-

screen

audio

effects,

on

-screen

dialog,

left

-to

-right

panning,

and

music.

These

channels

manipulate

the

sound

to

be

heard

and

enhance

the

action

as

it

happens

on

the

screen.

Dolby

Surround

Encoding

and

decoding

system

of

Dolby

Surround

sound

for

consumer

use.

Dolby

Surround

decodes

the

extra

channels

on

the

Dolby

Surround

-

encoded

sound

tracks

of

movie

videos

and

TV

programs

and

produces

sound

effects

and

echoes

that

make

the

action

seem

to

envelop

you.

The

receiver

offers

Dolby

Surround

(PRO

LOGIC)

as

one

of

the

pre-

programmed

sound

fields.

If

you

have

rear

or

center

speaker(s),

we

recommend

that

you

customize

the

Dolby

Surround

sound

field

by

selecting

the

appropriate

center

mode

to

take

advantage

of

Dolby

Pro

Logic

Surround

sound.

Effect

level

Combination

of

the

level

of

early

reflections

and

reverberation.

You

can

adjust

the

effect

level

in

6

levels.

As

you

select

higher

levels,

the

room

becomes

"live,"

and

as

you

select

lower

levels,

the

room

becomes

"dead."

Parameter

Variable

of

sound

that

composes

sound

image,

such

as

tone

or

delay

time.

You

can

customize

the

pre-programmed

sound

fields

by

adjusting

parameters

to

suit

your

listening

situation.

Sound

field

Sound

pattern

produced

by

a

sounding

source

or

sources

in

a

given

environment

due

to

direct

and

reflected

sounds

and

the

acoustics

of

the

environment.

The

receiver

offers

pre-

programmed

sound

fields

to

let

you

enjoy

surround

sound

easily.

Surround

sound

Sound

that

consists

of

three

elements:

direct

sound,

early

reflected

sound

(early

reflections)

and

reverberative

sound

(reverberation).

The

acoustics

where

you

hear

the

sound

affect

the

way

these

three

sound

elements

are

heard.

These

sound

elements

are

combined

in

such

a

way

that

you

can

actually

feel

the

size

and

the

type

of

a

concert

hall.

•

Types

of

sound

Early

reflections

if\

g,

6,

1

t

Direct

sound

Reverberation

•

Transition

of

sound

from

rear

speakers

Direct

sound

Early

reflections

Reverberation

Level

-

I

;,

Early

reflection

time

Time

61.

Sony STR-DA90ESG Operating Instructions - Page 61

Glossary

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