Yamaha DSP-A3090 - Manual (Page 9)

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English
This unit incorporates a sophisticated, multi-program digital sound
field processor. The processor allows you to electronically expand
and change the shape of the audio sound field from both audio and
video sources, creating a theater-like experience in your listening
room. This unit has a total of 12 digital sound field processor (DSP)
modes. You can create an excellent audio sound field by selecting a
suitable sound field (this will, of course, depend on what you will be
listening to), and adding desired adjustments.
In addition, this unit incorporates a Dolby Pro Logic Surround
decoder and Dolby Surround AC-3 decoder for multi-channel sound
reproduction of Dolby Surround encoded video sources. The
operation of the Dolby Pro Logic Surround or Dolby Surround AC-3
decoder can be controlled by selecting a corresponding DSP
program including combined operations of the Yamaha DSP and the
Dolby Pro Logic Surround or Dolby Surround AC-3 decoder.
Digital Sound Field Processing
What is it that makes live music so good? Today’s advanced
sound reproduction technology lets you get extremely close to the
sound of a live performance, but chances are you’ll still notice
something missing, the acoustic environment of the live concert hall.
Extensive research into the exact nature of the sonic reflections that
create the ambience of a large hall has made it possible for Yamaha
engineers to bring you this same sound in your own listening room,
so you’ll feel all the sound of a live concert. What’s more, our
technicians, armed with sophisticated measuring equipment, have
even made it possible to capture the acoustics of a variety of actual
concert halls, jazz clubs, theaters, etc. from around the world, to
allow you to accurately recreate any one of these live performance
environments, all in your own home.
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