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39
Impedance
The resistance to the ow of an electric current
in
a circuit. This is effectively the electrical load
that a loudspeaker presents to the amplier
which
drives it and is measured in ohms.
Incredible Surround Sound (Incr.Surr.)
An
improved system that creates realistic, three-
dimensional sound elds. These sound elds are
usuall
y achieved with multiple speakers that are
arranged around the listener.
Input sensitivity
SPL (sound pressure level) a speaker produces,
giv
en one watt of power, measured from a
one-meter distance at a typical input frequency
(usually 1kHz unless otherwise noted on the
speaker).
Interface
A
device or protocol which facilitates the linking
of any two devices or systems; or when used as
a verb (‘to interface’), the process of linking.
IP address
An IP (Internet Protocol) address is a unique
computer
address that enables electronic
devices to communicate with and identify each
other.
K
Kbps
Kilobits per second. A digital-data-rate
measurement system which is often used with
highly compressed formats such as AAC, DAB,
MP3
etc. The higher the amount, the better the
quality generally is.
kHz (kilo Hertz)
1000Hz
or 1000 cycles per second.
L
LCD (Liquid Crystal Display)
Probably the most common way to show
visual information on non-computer electronic
equipment.
H
HDCP
High-bandwidth Digital Content Protection.
This is a specication that provides a secure
tr
ansmission of digital contents between
different devices (to prevent unauthorized
copyright.)
HDMI
High-Denition Multimedia Interface is a
high-speed
digital interface that can transmit
uncompressed high denition video and digital
m
ultichannel audio. It delivers high quality
picture and sound quality, completely free from
noise. HDMI is fully backward-compatible with
DVI.
As
required by the HDMI standard, connecting
to HDMI or DVI products without HDCP
(High-bandwidth Digital Content Protection)
will
result in no Video or Audio output.
Hi-Fi (High Fidelity)
A
method of sound reproduction that
emphasizes the highest possible adherence to
the exact character of the original sound. This
is a principal that must be paramount in every
stage of the recording, transportation, and
recreation of the signal to be fully operational. It
is usually the listener’s equipment wherein this
objective is most seriously compromised.
Hz (Hertz)
Cycles
per second, named after Heinrich Hertz.
I
i.LINK/DV/FireWire/IEEE 1394
This WAC7500 is equipped with an i.LINK (also
known as DV, FireWire, or IEEE 1394) jack.
When you connect a DV-format (DVC-SD)
camcorder
through a single DV cable, you can
transmit audio and video. You can also control
the camcorder through this WAC7500.
You cannot connect more than one DV
camcorder at a time to this WAC7500.
You cannot control this WAC7500 through
devices connected to the i.LINK jack.
EN
wac7500_um_01eng.indd 39 14-08-08 16:29:59
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