Yamaha DDP-10 - Manual (Page 7)

3
English
This unit is a sophisticated digital sound processor designed
specifically for decoding the Dolby Digital (AC-3).
This unit consists of a Dolby Digital (AC-3) Decoder, Yamaha
Digital Sound Field Processor and other original Yamaha functions
developed using the newest technology to reproduce sources
encoded with the Dolby Digital (AC-3) precisely as movie sound
creators intended. This unit will lead listeners into a totally new
sound experience.
This unit is equipped with “6-channel discrete” output terminals
for sending multi-channel audio signals of the Dolby Digital (AC-3)
individually. Therefore, the audio amplifier or receiver must have
“discrete” input terminals to receive the signals from this unit.
If your amplifier or receiver can input 5-channel discrete signals
only, see page 12.
Digital Sound Field Processing
This unit incorporates a sophisticated digital sound field
processor. The processor allows you to electronically expand and
change the shape of the audio sound field from audio and video
sources, creating a theater-like experience in your listening room.
Dolby Digital (AC-3)
The built-in Dolby Digital (AC-3) Decoder leads you into a
totally new sound experiences.
Dolby Digital (AC-3) is a new generation of multi-channel digital
audio technology, or the newest spatial sound processing format
developed for 35 mm film-movies by employing a new kind of low
bit-rate audio coding.
Dolby Digital (AC-3) is a digital surround sound system that
provides completely independent multi-channel audio to
consumers. In multi-channel form, Dolby Digital (AC-3) provides
five full range channels in what is sometimes referred to as a “3/2”
configuration: three front channels (left, center and right), plus two
surround channels. A sixth bass-only effect channel is also
provided for output of LFE (low frequency effect), or low bass
effects that are independent of other channels. This channel is
counted as 0.1, thus giving rise to the term 5.1 channels in total.
Compared to Dolby Pro Logic that is referred to a “3/1” system
(left front, center, right front and just one surround channel), Dolby
Digital (AC-3) features two surround channels, called stereo or
split surrounds, each offering the same full range fidelity as the
three front channels.
Sound of wide dynamic range reproduced by the five full range
channels presents listeners much excitement that has never been
experienced before. Precise sound orientation by the discrete
digital sound processing expands realism that the original movie
possesses.
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