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II"lllli_'_ fi I"
This unit employs YAMAHA Parametric Room Acoustic
Optimizer (YPAO) technology, together with the
Parametric EQ settings (see page 84), to optimize the
frequency characteristics of its parainetric equalizer to
match your listening environment. YPAO uses a
combination of the following three parameters
(Frequency, Gain and Q factor) to provide highly precise
adjustment of the frequency characteristics.
• Frequency
This parameter is adjustable in one-third octave
increments between 63 Hz and 16 kHz.
_=20 dB
• Gain
This parameter is adjustable in increments of 0.5 riB
between 20 and +6 dB.
_+6dB
• Q factor
The width of the specified frequency band is referred to as
the Q factor. This parameter is adjustable between the
values 0.5 and 10.
i << 1; ,;
11:¢ ;; :;: .....
17 7 7 {{ ',_ ',: :
{ 77i7{ !' 7 77 +
g 74 g P_ ....
YPAO adjusts frequency characteristics to suit your
listening requirements using a combination of the above
three parameters (Frequency, Gain and Q factor) for each
equalizer band in this unit's parametric equalizer. This unit
has 7 equalizer bands t_r each channel.
The use of multiple equalizer bands enables more precise
adjustments of frequency characteristics (as in Figure 2).
This is not possible using only a single equalizer band (as
in Figure 1).
Figure 1
Gain
Frequency I
characlerislic alter I
I _ Band 1
correclion ........i
Freqtlency
Original frequency
characteristic
I
Figure 2
Gain
I
I
Frequency i
characlerist ic ai'lcr I
I
correcllon _ I Band 1
i Frequency
Y
Band 2 I
132
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