Yamaha REV7 REV7 Owners Manual Image - Page 14

E

/

R1

AND

E

/

R2

TYPE

"Early

Reflection"

effects.

Presets

5,

6,

19

through

21,

23

through

28,

and

30.

(dB)

DIRECT

SIGNAL

100%

1ST

REF.

1ST

REFLECTION

LEVEL

EARLY

REFLECTIONS

1ST

REF.

DELAY

INITIAL

DELAY

(dB)

(TIME)

LIVENESS

-0

•1

-1.4-

ROOM

SIZE

(TIME)

1.

INITIAL

DELAY.

Range:

0.1

-

100

msec.

Key:

INITIAL

DELAY.

The

time

delay

between

the

direct

sound

of

the

instru-

ment,

and

the

first

of

the

early

reflections.

2.

1ST

REFLECTION

DELAY.

Range:

0.1

-

100

msec.

Key:

1ST

REF.

3.

1ST

REFLECTION

LEVEL.

Range:

0

—

100%

of

direct

signal

level.

Key:

1ST

REF.

Same

as

for

REV

type

presets.

4.

LIVENESS.

Range:

0

^

10.

Key:

REV

TIME.

Refers

to

the

rate

at

which

the

reflected

sounds

fade.

Set

this

parameter

at

zero

to

simulate

an

acoustically

"dead"

room,

with

absorbent

surfaces

to

"soak

up"

the

reflected

sounds.

As

you

increase

the

setting,

the

room

appears

to

contain

more

"live"

surfaces,

with

the

reflected

sounds

fading

more

slowly,

as

they

reflect

from

wall

to

wall,

until

at

the

maximum

setting

the

effect

is

of

an

intensely

reflective

environment,

containing

many

highly

polished

surfaces

(tiles,

glass,

etc).

5.

ROOM

SIZE.

Range:

0.1

-

10

x

preset

setting.

Key:

F2.

In

the

REV7,

the

ROOM

SIZE

parameter

indicates

the

time

gaps

between

the

early

reflections

—directly

propor-

tional

to

the

size

of

the

room.

The

effect

of

this

para-

meter

also

depends

on

which

early

reflection

Mode

has

been

selected.

A

Room

Size

Chart

can

be

found

later

in

this

manual.

6.

DIFFUSION.

Range:

0'-

10.

Key:

F3.

Same

as

for

REV

type

presets.

7.

MODE.

Range:

1

—

6.

Key:

F1.

This

is

a

rather

special

case.

All

"Early

Reflection"

presets

are

switchable

between

6

different

Mode

types.

These

are

1:

SMALL

HALL

(a

typical

grouping

of

early

reflections

that

would

occur

in

a

small

performing

environment),

2:

LARGE

HALL

(a

typical

grouping

of

early

reflections

that

would

occur

in

a

large

performing

environment),

3:

RANDOM

(an

irregular

series

of

reflections

that

could

not

occur

naturally),

4:

REVERSE

(a

series

of

reflections

that

increase

in

level,

like

the

effect

produced

by

playing

a

recorded

echo

backwards),

5:

PLATE

(a

typical

grouping

of

early

reflections

that

would

occur

in

a

plate

echo

unit)

and

6:

SPRING

(a

typical

grouping

of

early

reflections

that

would

occur

in

a

spring

reverberation

unit).

A

slightly

different

early

reflection

for

the

left

and

right

outputs

creates

a

natural

stereo

effect.

Although

the

name

of

each

mode

suggests

a

typical

en-

vironment

or

effect,

note

that

only

the

first

group

of

reflections

are

generated,

and

they

are

not

multiplied

to

produce

the

sound

you

might

expect.

Also,

each

of

the

E/R

type

presets

has

"invisible"

parameters

that

further

affect

the

sound,

so

the

best

course

is

to

actually

listen

to

the

presets

and

their

different

modes,

to

get

the

full

effect

of

each

mode

and

appreciate

the

enormous

creativity

they

provide.

An

Early

Reflection

Mode

Chart

can

be

found

later

in

this

manual.

The

REV7

produces

18

early

reflections

for

each

channel.

It

is

possible

to

add

a

1st

reflection

to

these

early

reflec-

tions,

in

the

center

of

the

stereo

image.

*For

the

REVERB

type

effects,

3

early

reflections

are

programmed

for

each

channel.

13

Yamaha REV7 REV7 Owners Manual Image - Page 14

parameters

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