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MASTER DELAY BOX
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Audio Delay Corrector
The Master Delay Box is designed to restore perfect lip-syncing to
the audio output from your digital satellite receiver and
DVD-player.
Modern displays, such as plasma screens, LCD screens and projectors
use sophisticated imaging processors to produce the best picture
possible. This processing takes time and produces a delay in the
picture display. This is called a lip-sync error.
This is particularly noticeable in speech, where the voice comes
first and the lips move after. Lip-syncing anomalies may also affect
satellite broadcasts and can occur when the transfer of older movie
soundtracks to digital surround sound for DVD. The effect can be so
pronounced that the film or broadcast becomes difficult to watch.
The Master Delay Box has four presets, two per input (coax and
optical) and adjustable delay over a 0 - 600 ms range. There is also
a true bypass of all delay correction circuits. The satellite
receiver connects optically and DVD-player coaxially to the Delay
Box.
The Delay Box seamlessly performs format conversion, a single coax
(or toslink) feeds the audio processor. Certain A/V processors have
corrective circuitry in-built, but experience has shown that
these processors work best with a signal that is already synced. By
inserting the master Delay Box between source and processor this
advanced digital device delays the system sound by tiny increments
and relieves the processor of the power and memory drain associated
with integral delay correction. It’s also an innovative upgrade for
those systems lacking this facility.
The Master DelayBox corrects lip sync errors in any HOME THEATER
system by using an SPDIF-signal memory with a capacity of 600mS
delay. For example the Master DelayBox is connected between a
digital source (DVD player for instance) and a processor or
integrated A/V amplifier. The unit delays the digital audio signal
by a time of your choice. This results in a perfect sound and
picture synchronization.
The unit incorporates a true bypass mode that is switched in by the
use of solid-state relays. While in this mode the inputs are
directly connected to the outputs.
The Master DelayBox detects the 44.1 kHz sampling rate from a
standard compact disc and switches automatically into bypass mode.
Technical performance
The Master DelayBox is capable of full conversion between a coax and
an optical signal. Any input signal to coax will be available from
both outputs (coax and TOSlink), as any input signal to TOSlink will
be available from both coax and TOSlink outputs.
You select the input using buttons on the front panel or on the
remote control unit. Two presets are available for each input.
Note! No conversion is carried out when the delay box is in BYPASS
mode.
The delay time value displayed by the Master DelayBox steps one
millisecond at a time until the nearest ten. Then it steps 10
milliseconds at a time until the nearest hundred and thereafter it
steps a hundred at a time up to 600 milliseconds. The time delay
value counts down in the same way.
Inputs
Optical, TOSlink, Coax, SPDIF,
External RS232C control and IR inputs are also provided for the use
with automation systems.
Outputs
Optical, TOSlink, Coax, SPDIF
Intuitive user interface
The Master Delay Box can be controlled through a very simple and
intuitive set of front panel controls.
Alternatively all the functions of the Delay Box can be controlled
by the Remote Control supplied with the Delay Box.
