Precision Studio Sound Technology
Packaged For Your Home
Designing an amplifier that reproduces professional studio quality sound in your home requires precision high-end technology.
Working with studio engineers and sound format experts around the world, Pioneer’s amplifier design engineers endeavoured
to make sure that this multi-channel audio/visual amplifier perfectly recreates professional-level home studio sound with opti-
mum acoustic accurancy. With the built-in Multi-channel Acoustic Calibration system, it is straightforward to adjust the sound
to the correct parameters suited to your listening environment. You’ll be set with the latest sound format technology including
THX Ultra2, Dolby Pro logic II, DTS 96/24 as well as THX Surround EX, Dolby Digital, DTS-ES and DTS. On top of that, all the best
possible technologies, design and parts have been incorporated into this superb amplifier for the ultimate in fine-tuned, pro-
fessional quality sound. With all of these elements in place, this work of art truly is the future of sound.
Achieving Sound Perfection
This system recreates a perfectly realistic listening environment in virtually any space, regardless of size, shape or obstacles, MCACC works by using the
included microphone to measure room acoustics and neutralise any characteristics that tarnish the original source material. To start, the microphone
checks and tests ambient noise and speaker levels. When the initial calibration is complete, the system automatically confirms speaker presence and
size, and creates a sound stage by equalising the distances between speakers relative to the listener, neutralising differences in sound pressure level,
and compensating for timbre variations. Following this surround analysis, the MCACC checks the channel delay and channel level, processes the
information and performs the acoustic calibration. During the acoustic calibration process, the speakers emit a series of timing pulses that are read by
the microphone and sent to a 9-band digital equaliser for final calibration of up to seven channels. The system includes a special sound tuning
application created by AIR Studios’ chief engineer to reproduce the original studio sound character. The final result? Delicate nuances of your space are
fully compensated for – affording you – more sound realism than ever before from your stereo and multi-channel recordings.
dB
dB
FL FC FR SL SB SB SR LFE
FL FC FR SL SB SB SR LFE
Automatic Sound Pressure Level Adjustment
The sound pressure level is different for each speaker, as each speaker has varying efficiency
levels and installation methods. This feature equalises each channel’s pressure level.
ITU-R Angle Speaker Setting
Fine Distance Control
Fine Angle Control
Each channel’s frequency characteristics are adjusted for the actual listening environment (9 levels). All Channel mode flattens
each divided range for all channels; Front Align mode synchronises other channels to the front speaker’s characteristics.
All Channel Mode Front Align Mode
Adjusts high range of front channel
Before Correction Before Correction
Adjusts surround channel to front channel characteristics
Automatic Tone Adjustment – Effect of Multi-channel Acoustic Calibration EQ
4
Final sound tuning was done by reknowned AIR Studios engineers
to recreate the original sound impression, as shown here in
Studio 2.
O2-A-AX10-CONS-EN 04-02-2002 07:15 Page 4
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