Alpine DVA-7996 Owner's Manual download pdf (Page 49)

47-EN

Terminology

Dolby Digital

Dolby Digital is a digital audio compression technol-

ogy developed by Dolby Laboratories that allows

large quantities of audio data to be efficiently

recorded on discs. It is compatible with audio signals

from mono (1 channel) all the way up to 5.1-channel

surround sound. The signals for the different chan-

nels are completely independent, and since the

sound is high quality digital there is no loss of sound

quality.

* The separately sold digital audio processor (PXA-

H510/PXA-H900/PXA-H700) is required to enjoy

full 5.1-channel surround sound.

The DVA-7996 performs Dolby Digital decoding

when it outputs analog audio signals, it just happens

to be 2-channel audio not 5.1-channel.

Speaker layout for enjoying

Dolby Digital sound/dts sound

Center

speaker

Front

speakers

Rear

speakers

Subwoofer

DTS

This is a home-use digital sound format of the DTS

Sound System. This is a high quality sound system,

developed by Digital Theater Systems Corp for use

in movie theaters.

DTS has six independent sound tracks. The theater

presentation is fully realized in the home and other

settings. DTS is the abbreviation for Digital Theater

System.

* To enjoy DTS surround sound you need the

separately sold DTS digital audio processor

(PXA-H900/PXA-H700). The DVD video software

must also have a DTS sound track.

The DVA-7996 has a built-in DTS 2-channel audio

decoder. Analog audio outputs are available.

Dolby Pro Logic

Dolby Pro Logic is the technology used to decode

programs encoded in Dolby Surround. Pro logic

decoding will provide you with four channels of

sound (front left/right, center and monaural rear

surround) from a 2-channel (stereo) source.

* The separately sold digital audio processor (PXA-

H510/PXA-H900) is required to enjoy Dolby Pro

Logic surround sound.

Linear PCM audio (LPCM)

LPCM is a signal recording format used for music

CDs. Whereas music CDs are recorded at 44.1 kHz/

16 bits, DVDs are recorded at 48 kHz/16 bits to 96

kHz/24 bits, thereby achieving higher sound quality

than music CDs.

Rating levels (parental lock)

This is a function of the DVD for restricting the

viewing age as stipulated by laws in different coun-

tries. The way in which viewing is restricted differs

from DVD to DVD. Sometimes the DVD cannot be

played at all, other times certain scenes are skipped,

and other times certain scenes are replaced with

other scenes.

Dolby Pro Logic II

Dolby Pro Logic II plays 2-channel sources in 5

channels over the entire frequency range.

This is done with an advance, high sound quality

matrix surround decoder which draws out the spatial

properties of the original recording without adding

any sounds to or changing the sound of the source.

* The separately sold digital audio processor (PXA-

H700) is required to enjoy Dolby Pro Logic II

surround sound.

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Alpine DVA-7996 Owner's Manual Page 49

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