Sony STR-DE435: Glossary

Additional Information

Additional Information

• WIDE mode

Dolby Digital (AC-3)

Select WIDE mode if you have front and

This sound format for movie theatres is more

Glossary

rear speakers and a large centre speaker.

advanced than Dolby Pro Logic Surround. In

With the WIDE mode, you can take full

this format, the rear speakers output stereo

advantage of Dolby Surround sound.

sound with an expanded frequency range

Surround sound

and a subwoofer channel for deep bass is

Centre

Sound that consists of three elements: direct

independently provided. This format is also

Front

speaker

Front

sound, early reflected sound (early

speaker (L)

speaker (R)

called “5.1” because the subwoofer channel is

reflections) and reverberative sound

counted as 0.1 channel (since it functions only

(reverberation). The acoustics where you hear

when a deep bass effect is needed). All six

the sound affect the way these three sound

channels in this format are recorded

elements are heard. These sound elements are

separately to realize superior channel

combined in such a way that you can actually

separation. Furthermore, since all the signals

feel the size and the type of a concert hall.

are processed digitally, less signal

degradation occurs. The name “AC-3” comes

• Types of sound

Rear

Rear

from the fact that it is the third audio coding

speaker (L)

speaker (R)

method to be developed by the Dolby

Early reflections

Reverberation

Laboratories Licensing Corporation.

• PHANTOM mode

Select PHANTOM mode if you have front

5.1 CH/DVD jacks

and rear speakers but no centre speaker.

These jacks are used to input decoded Dolby

Direct sound

The sound of the centre channel is output

Digital (AC-3) audio signals, allowing you to

from the front speakers.

enjoy 5.1 channel surround sound. Use these

jacks to connect a Dolby Digital (AC-3)

• Transition of sound from rear speakers

Front

Front

decoder or a DVD player with a built-in AC-3

speaker (L)

speaker (R)

decoder.

Direct sound

Early

Level

reflections

Reverberation

Preset station

A radio broadcasting station that is stored in

memory of the receiver. Once you “preset”

stations, you no longer have to tune in the

stations. Each preset station is assigned its

Early reflection time

Time

Rear

Rear

own preset number, which lets you tune

speaker (L)

speaker (R)

them in quickly.

Dolby Pro Logic Surround

As one method of decoding Dolby Surround,

Dolby Pro Logic Surround produces four

• 3 STEREO mode

channels from two-channel sound. Compared

Select 3 STEREO mode if you have front

with the former Dolby Surround system,

and centre speakers but no rear speaker.

Dolby Pro Logic Surround reproduces left-to-

The sound of the rear channel is output

right panning more naturally and localizes

from the front speakers to let you

sounds more precisely. To take full

experience some of the surround sound

advantage of Dolby Pro Logic Surround, you

without using rear speakers.

should have one pair of rear speakers and a

centre speaker. The rear speakers output

Centre

monaural sound.

Front

Front

speaker

speaker (L)

speaker (R)

Centre mode

Setting of speakers to enhance Dolby Pro

Logic Surround mode. To obtain the best

possible surround sound, select one of the

following four centre modes according to

your speaker system.

Delay time

• NORMAL mode

Time lag between the surround sound output

Select NORMAL mode if you have front

from front speakers and rear speakers. By

and rear speakers and a small centre

adjusting the delay time of the rear speakers,

speaker. Since a small speaker cannot

produce enough bass, the bass sound of

you can obtain the feeling of presence. Make

the delay time longer when you have placed

the centre channel is output from the front

the rear speakers in a small room or close to

speakers.

your listening position, and make it shorter

Centre

when you have placed them in a large room

Front

speaker

Front

or apart from your listening position.

speaker (L)

speaker (R)

Rear

Rear

speaker (L)

speaker (R)

GB

29