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Advanced Operations
En-72
Operating
procedure
(➔ page 61)
■ Dynamic EQ
`Off
`On:
Audyssey Dynamic EQ
®
becomes active.
The Dynamic EQ indicator will light.
With Audyssey Dynamic EQ, you can enjoy great
sound even when listening at low volume levels.
Audyssey Dynamic EQ solves the problem of
deteriorating sound quality as volume is decreased by
taking into account human perception and room
acoustics. It does so by selecting the correct
frequency response and surround volume levels
moment-by-moment so that the content sounds the
way it was created at any volume level — not just at
reference level.
■ Reference Level
Audyssey Dynamic EQ Reference Level Offset
`0dB:
This should be selected for movie contents.
`5dB:
Select this setting for content that has a very
wide dynamic range, such as classical music.
`10dB:
Select this setting for jazz or other music that
has a wider dynamic range. This setting should
also be selected for TV content as that is usually
mixed at 10 dB below film reference.
`15dB:
Select this setting for pop/rock music or other
program material that is mixed at very high
listening levels and has a compressed dynamic
range.
Movies are mixed in rooms calibrated for film
reference. To achieve the same reference level in a
home theater system each speaker level must be
adjusted so that –30 dBFS band-limited (500 Hz to
2000 Hz) pink noise produces 75 dB sound pressure
level at the listening position. A home theater system
automatically calibrated by Audyssey MultEQ
®
XT32
will play at reference level when the master volume
control is set to the 0 dB position. At that level you
can hear the mix as the mixers heard it.
Audyssey Dynamic EQ is referenced to the standard
film mix level. It makes adjustments to maintain the
reference response and surround envelopment when
the volume is turned down from 0 dB. However, film
reference level is not always used in music or other
non-film content. Audyssey Dynamic EQ Reference
Level Offset provides three offsets from the film level
reference (5 dB, 10 dB, and 15 dB) that can be
selected when the mix level of the content is not
within the standard.
Note
• If “Dynamic EQ” setting is set to “Off”, this technology
cannot be used.
■ Dynamic Volume
`Off
`Light:
Activates Light Compression Mode.
`Medium:
Activates Medium Compression Mode.
`Heavy:
Activates Heavy Compression Mode. This
setting affects volume the most. It quiets the
loud parts, such as explosions, and boosts the
quiet parts so they can be heard.
Note
• If you want to use Audyssey Dynamic EQ or
Audyssey Dynamic Volume
®
with THX listening modes, set
the “Loudness Plus” setting to “Off” and set “Preserve
THX Settings” to “No” (➔ pages 67, 68).
• If you make Dynamic Volume active, “Dynamic EQ” is set
to “On”. The Dynamic Vol indicator will light.
• When “Dynamic EQ” is set to “Off”, “Dynamic Volume” is
automatically switched to “Off”.
About Audyssey Dynamic EQ
®
Audyssey Dynamic EQ solves the problem of
deteriorating sound quality as volume is decreased by
taking into account human perception and room
acoustics. Dynamic EQ selects the correct frequency
response and surround levels moment-by-moment at
any user-selected volume setting. The result is bass
response, tonal balance and surround impression
that remain constant despite changes in volume.
Dynamic EQ combines information from incoming
source levels with actual output sound levels in the
room, a prerequisite for delivering a loudness
correction solution. Audyssey Dynamic EQ works in
tandem with Audyssey MultEQ XT32 to provide well-
balanced sound for every listener at any volume level.
About Audyssey Dynamic Volume
®
Audyssey Dynamic Volume solves the problem of
large variations in volume level between television
programs, commercials, and between the soft and
loud passages of movies. Dynamic Volume looks at
the preferred volume setting by the user and then
monitors how the volume of program material is being
perceived by listeners in real time to decide whether
an adjustment is needed. Whenever necessary,
Dynamic Volume makes the necessary rapid or
gradual adjustments to maintain the desired playback
volume level while optimizing the dynamic range.
Audyssey Dynamic EQ is integrated into
Dynamic Volume so that as the playback volume is
adjusted automatically, the perceived bass response,
tonal balance, surround impression and dialog clarity
remain the same whether watching movies, flipping
between television channels or changing from stereo
to surround sound content.