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+01GB06IVAD105.fm
ALPINE IVA-D105 68-08564Z59-A (EN)
Terminology
Dolby Digital
Dolby Digital is a digital audio compression technology
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 channels
are completely independent, and since the sound is high quality
digital there is no loss of sound quality.
DTS
This is a home-use digital sound format of the DTS Sound
System. This is a high quality sound system, developed by DTS,
Inc. 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-H700, etc.). The DVD video software
must also have a DTS sound track.
The IVA-D105 has a built-in DTS 2-channel audio decoder.
Analog audio outputs are available.
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, etc.) is
required to enjoy Dolby Pro Logic II 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 countries. 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.
Center
speaker
Front
speakers
Rear
speakers
Subwoofer
Speaker layout for enjoying
Dolby Digital sound/DTS sound
+01GB00IVAD105.book Page 64 Monday, January 15, 2007 4:02 AM