Speaker configuration: 5.1 ch, 7.1 ch
Reference
Dialogue Normalization
Dialogue Normalization (DialogNorm) is a feature of Dolby Digital, which
is used to keep the programs at the same average listening level so the
user does not have to change the volume control between Dolby Digital,
Dolby Digital Plus and Dolby TrueHD programs. When playing back
software which has been encoded in Dolby Digital, Dolby Digital Plus and
Dolby TrueHD, sometimes you may see a brief message in the front panel
display which will read "DialogNorm: X dB" (X being a numeric value). The
display is showing how the program level relates with THX calibration
level. If you want to play the program at calibrated theatrical levels, you
may wish to adjust the volume. For example, if you see the following
message: "DialogNorm: + 4 dB" in the front panel display, to keep the
overall output level at THX calibrated loudness, just turn down the volume
control by 4 dB. However, unlike a movie theater where the playback
loudness is preset, you can choose your preferred volume setting for best
enjoyment.
THX Cinema Processing
THX is an exclusive set of standards and technologies established by the
world-renowned film production company Lucasfilm Ltd. THX grew from
George Lucas’ personal desire to make your experience of the film
soundtrack in both movie theaters and in your home theater as faithful as
possible to what the director intended. Movie soundtracks are mixed in
special environments called dubbing stages and are designed to be
played back in movie theaters with similar equipment and conditions.
Most of those soundtracks are remixed using flat response loudspeakers
similar to those used in the small home theater environment before being
transferred onto Blu-ray Discs, DVD, etc. THX engineers developed
patented technologies to accurately translate the sound from the movie
theater environment into the home, correcting the tonal and spatial errors
that occur. On this product, when the THX indicator is on, THX features
are automatically added in Cinema modes (e.g. THX Cinema, THX
Surround EX).
Timbre Matching
The human ear changes our perception of a sound depending on the
direction from which the sound is coming. In a movie theater, there is an
array of surround speakers so that the surround information is all around
you. In a home theater, you may only have two speakers located to the
side of your head. In this case, the Timbre Matching feature filters the
information going to the surround speakers so that they more closely
match the tonal characteristics of the sound coming from the front
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