Pioneer Stereo System - Manual (Page 16)

The phase lag problem occurs during software
production processes as well — through improper use of the
microphone and Low Pass Filter — so Pioneer has also begun
offering these technologies to software makers.
Phase Control Technologies
The latest Elite A/V receivers incorporate Phase
Control technologies. These receivers come with
Phase Control function turned on by default, immediately
ready to compensate for the phase lag between subwoofer
channel and main channels. Combined with the new Advanced
MCACC, this function even further optimizes your multi-
channel sound.
Collaboration with Professional Sound Studios
(VSX-84TXSi/VSX-82TXS)
Pioneer is dedicated to making your home
theater experience as close as possible to what
movie makers and studio engineers intended
when they created the original sound tracks.
Working closely with AIR Studios sound engineers in the UK
and George Lucas's SkyWalker Ranch in the U.S., the Pioneer
team employed revolutionary processes in order to take your
home sound system to the level of a professional sound studio.
Professional sound engineers always start with three principles to
achieve high fidelity recording and replay: quality reproduction,
precision reproduction and artistic reproduction. Pioneer
adapted this professional procedure to the design process so that
the Pioneer Elite A/V receivers would recreate unprecedented
audio fidelity in your home. This includes the best available
audio components, measuring and calibrating the system with a
microphone, and final sound tuning to preserve the original
emotional elation of the music. With the professional master
reference sound quality of Pioneer Elite A/V receivers, a concert
at home has never been so spectacular.
True Visionaries: Sir George Martin and
AIR Studios (VSX-84TXSi/VSX-82TXS)
The best sound engineers
at one of the best
recording studios in the
world contributed an
unquestionable amount of expertise to these revolutionary
multi-channel stereophonic receivers. The founder of AIR
Studios is Sir George Martin, legendary Beatles producer and
Academy Award-nominated composer — one of music's most
versatile and imaginative talents. Established in 1969 in
London, AIR Studios is now a state-of-the-art recording
complex with matchless facilities for film scoring, rock, pop,
classical and orchestral work, postproduction and live events.
Many of the world's most popular and renowned musical
talents have worked in this unique and inspirational recording
environment.
Advanced Multi-Channel Acoustic Calibration System
(VSX-84TXSi/VSX-82TXS/VSX-81TXV)
Multi-Channel Acoustic Calibration System
(VSX-80TXV)
The Multi-Channel Acoustic Calibration
System (MCACC) is Pioneer's revolutionary
answer to the dreams of stay-at-home movie
and music fans. The world's first fully automated acoustic
calibration system, the MCACC provides a studio-quality,
multichannel listening environment by making delicate
adjustments to neutralize the sound field of the listening space.
The VSX-84TXSi, VSX-82TXS, and VSX-81TXV
moreover, come with an upgraded version of this technological
wonder — Advanced MCACC with 3-dimensional
compensation. In addition to speaker distance, sound pressure
level and frequency response, the Advanced MCACC applies
"time axis" in measuring the listening environment's acoustic
characteristics and in applying frequency response compensation.
This enables the system to distinguish between direct sound and
room reverberation, resulting in even more precise, minute
adjustment of frequency response for human ears. The Advanced
MCACC also features "X-Curve Compensation" of frequency
response — a living-room sized version of an international
frequency response standard (ISO2969) used for designing movie
theaters and dubbing suites.
30 31
Advanced Highlights of Pioneer's
2006/2007 Elite A/V Receivers
1080p Home Theater from Pioneer
• 1080p Home Theater from Pioneer
Phase Control — An Innovation for Multi-Channel Sound
Compensation
• Phase Control Technologies
Advanced Multi-Channel Stereophonic Philosophy
• Advanced MCACC
• Standing Wave Control (an MCACC function)
Home Theater Sound
• THX Select2 Certified
• THX Surround EX
• Dolby Digital EX
• DTS 96/24
• DTS-ES
• DTS NEO:6
• Windows Media
® Audio 9 Professional
• Dolby Pro Logic IIx
• Dolby Pro Logic II
• Advanced Surround
High-Performance Devices for Superior Sound Quality
• Sound Retriever
• 32-bit Digital Processing by "The 3rd-Generation
SHARC
® Processor" and Freescale 48-bit Processing DSP
• Ultra Digital Core Engine 2
• Advanced Direct Energy Power Amplifier
Innovations in Construction and Materials
• 3-D Space Frame Construction
• Symmetrical Power Train Design
Versatile Video Control
• Digital Video Converter
• Pioneer Video Converter
• Video Up-Scaling with DCDi
™ by Faroudja
User-Friendly Operation
• On-Screen Display
Versatile Input and Output Connections
• HDMI Terminals
• i.LINK (IEEE1394)
• USB Interface
• USB Memory Audio Ready (USB Host Function)
• iPod
® Control
• iPod ® Control Docks
• XM Radio and XM HD Surround
Advanced Control
• Multi-Room/Multi-Source Remote Control
• System Remote Plus (SR+)
• 12 Volt Trigger System
*SHARC is a registered trademark of Analog Devices, Inc.
Create a 1080p Home Theater System with Pioneer
Elite Components
For the first time in the world, a comprehensive range of
components for creating a 1080p home theater system is now
available — thanks to Pioneer. These components include this
year's Elite A/V receivers. You can connect a new Elite A/V
receiver — VSX-84TXSi, VSX-82TXS, VSX-81TXV, or
VSX-80TXV — to the PRO-FHD1 Elite Plasma Display Panel
(PDP) and BDP-HD1 Elite Blu-ray Disc Player via an HDMI
terminal (see page 38 for details). The receiver can send 1080p
HD video signals from the Blu-ray player to the PDP with
precise all-digital signal transmission — and no D/A or A/D
conversion. The A/V receivers also deliver superb multi-channel
sound from Blu-ray discs.
Pioneer is one of the leaders in technological development and
innovation for superior multi-channel sound reproduction.
Now we have taken multi-channel sound a step further with
patent-pending Phase Control technologies.
The objective of these technologies is to compensate for
"phase lag" among channels, or in other words, the delay of
some channels with respect to others.
When amplifying multi-channel audio signals, receivers
use a Low Pass Filter (LPF) for processing low-frequency signals
for subwoofer output. It is this extra process that causes phase lag,
an approximately 5 millisecond delay of low-frequency signals
with respect to main channels. This is the equivalent of a 6.5 to 9
feet (2 to 3 meter) distance gap. The delayed bass affects the
quality of main-channel sound, making the overall sound lack
synchronization. Pioneer's Phase Control technologies apply a
bass management system that effectively compensates for phase
lag, to significantly improve multi-channel sound.
A/V RECEIVERS
Phase
Control
OFF
Phase
Control
ON
Front Speaker
Front Speaker
Subwoofer
Sound Source
Sound Source
Listening Position
Listening Position
Sound Lacking
Synchronization
Synchronized
Sound with No
Phase Lag
Subwoofer
Speakers
AV Receiver
The "Phase Control" Compensates for the Delay of Low-Frequency Sound
PHASE CONTROL
Source
Phase Control — An Innovation for
Multi-Channel Sound Compensation
Advanced Multi-Channel
Stereophonic Philosophy
1080p Home Theater from Pioneer
Acoustic Calibration by MCACC
Calibration
After Calibration
Speaker distance, sound pressure level, and
frequency response are all equalized.
Before Calibration
Speaker distance, sound pressure level, and
frequency response are all uneven.
The sound field is automatically
measured using the supplied mic.
Speaker sizes and number of
speakers are automatically detected.
SET-UP
MIC
SET-UP
MIC