Yamaha RX-V1065 Owner's Manual download pdf (Page 45)

43 En

Editing surround decoders/sound field programs

English

INTRODUCTION

ADDITIONAL

INFORMATION APPENDIX

PREPARATION

BASIC

OPERATION

ADVANCED

OPERATION

Note

• This setting is available only when “Extra Speaker Assignment” is set to

“Presence” (page 48).

■ Parameters for adjusting early-reflected

sound

Initial Delay / P. Initial Delay / Sur. Initial Delay /

Sur. Back Initial Delay

Adjusts attenuation characteristics of early-reflected

sound. You can create a lively sound field (with a high

reverberant sound level) as you increase the value, and a

dead sound field (with a low reverberant sound level) as

you decrease the value. Creating either a lively sound field

or a dead sound field in an actual music hall is determined

by the acoustic absorption characteristics of reflection

surfaces. A dead sound field is created when the

attenuation time is short while a lively sound field is

created when the attenuation time is long.

• We recommended that you adjust the size of corresponding sound field

when you adjust the delay time.

■ Parameters for specifying room size

Room Size / P. Room Size / Sur. Room Size / Sur.

Back Room Size

Produces different senses of sound expansion according to

room sizes specified. In a large size room such as a music

hall, the duration from when reflected sound is heard until

when the next reflected sound is heard is long. Thus,

different senses of sound expansion can be created by

changing the duration. 1.0 is the original room size. When

this parameter is set to 2.0, each side of the room is

defined as twice larger than the original room size.

■ Parameters for defining attenuation

characteristics of early-reflected sound

Liveness / Sur. Liveness / Sur. Back Liveness

Adjusts the attenuation of reflected sound. You can create

a lively sound field (with a high reverberant sound level)

as you increase the value, and a dead sound field (with a

low reverberant sound level) as you decrease the value.

Creating either a lively sound field or a dead sound field in

an actual music hall is determined by the acoustic

absorption characteristics of reflection surfaces. A dead

sound field is created when the attenuation time is short

while a lively sound field is created when the attenuation

time is long.

Sound field parameters for advanced

configurations

Adjustable range: 1 to 99ms (Initial Delay / P. Initial Delay), 1 to

49ms (Sur. Initial Delay / Sur. Back Initial

Delay)

Adjustable range: 0.1 to 2.0

Delay

Time

Level

Delay

Time

Level

Early-reflected

sound

Original source sound

Sound source

Reflecting

surface

Small = 1ms Large = 99ms

Adjustable range: 0 to 10

Time

Level

Time

Early reflections

Source sound

Sound source

Small = 0.1 Large = 2.0

Time

Level

Small = 0 Large = 10

Time

Level

Source sound

Live

Dead

Large reflected

sound

Small reflected

sound

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Yamaha RX-V1065 Owner's Manual Page 45

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