Creative DTT3500 Digital Guide de l'utilisateur télécharger pdf (Page 20)

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Creative Multi Speaker

Surround (CMSS)

CMSS is a 2-channel to 5.1-channel

sound processor similar in some

aspects to a Dolby Surround Pro

Logic processor.

The Music mode creates a

convincing 5.1-channel surround

soundfield with typical stereo

sources, whether they are Dolby

Surround-encoded or not. It works

well with Dolby Pro Logic, WAVE,

AVI and MIDI program material. In

essence, CMSS Music mode puts

you “on the stage” for the music’s

performance, surrounding you with

the performers.

In a similar manner, Movie mode

provides the sonic impression of

being front and center at a movie

screening. Dialog and all normally

centered sounds from a stereo

program are heard through the center

speaker. Use this mode whenever a

music program has sounds you want

to blend with on-screen action or

dialog.

Unlike Pro Logic decoding, CMSS

Music, Movie and FourPoint/5.1

DIN modes are appropriate for use

with multi-coded sources such as

DVD games. In some game titles, the

movie sequences may be encoded in

Dolby Surround but the game

sequences may be in the WAV

format. CMSS Movie mode supports

5.1-channel output for .WAV, .AVI,

.MIDI and other audio software

formats. Few, if any of these kinds of

formats are Dolby Surround

encoded.

The FourPoint/5.1 DIN mode

passes the four discreet channel

audio of 4-channel games direct to

each satellite channel. It does not

synthesize rear channel output, so

stereo signal in this mode will play

just through the front two speakers

and subwoofer.

The STEREO mode plays the Left

and Right Front speakers and the

subwoofer. It also lets you hear the

stereo downmix from any DVD.

The Dolby Pro Logic processor is

disabled in this mode.

Audio Mode Selection

The stereo soundtracks of some

movies on Video CDs (VCD format)

contain different languages. For

example, a 2-channel soundtrack

may contain Mandarin on the right

channel and English on the left

channel. The VCD program

literature should indicate the

presence of dual-language

soundtracks. Similarly, some movies

in the DVD format will contain dual-

language soundtracks. DTT3500

Digital lets you select one of these

languages and play it through both

the Left and Right speakers.

If there is no indication of which

channel is which, and you hear two

different language soundtracks

during stereo playback, select the

“LL” and “RR” settings until you

find the language soundtrack you

want.

The Audio Mode selection feature

can only be used with the PCM

digital soundtrack of a Video CD or

DVD with a dual soundtrack, not a

DVD encoded with Dolby Digital

5.1 sound or Dolby Surround-

encoded material. If you have an

analog program with separate left

and right channels (the analog output

of a CD ROM, or the analog stereo

output of a “software” Video CD, for

instance), you will have to use the

balance control in your PC’s audio

software to mute the undesired

channel.

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