DTP CrossPoint 84 Series Matrix Switchers • Introduction 6
Remote powering of DTP transmitters and receivers — The DTP CrossPoint 84
can provide power to two DTP transmitters and two DTP receivers over the twisted pair
connections, eliminating the need for separate power supplies at the remote units.
RS-232 insertion from the Ethernet control port — System level device control to all
remote locations via a matrix switcher Ethernet port, providing comprehensive control of
endpoints and attached devices without needing additional equipment.
Bidirectional RS-232 and IR insertion for AV device control — Bidirectional RS-232
control and IR signals can be transmitted alongside the video signal over DTP connections,
allowing the remote device to be controlled without the need for additional cabling.
Bidirectional control insertion eliminates the need for control system wiring to remote
devices.
HDMI audio embedding — Two-channel audio signals can be embedded onto the HDMI
and DTP outputs.
HDMI audio de-embedding — Embedded HDMI two-channel LPCM audio can be
extracted for routing and further processing. Embedded multi-channel bitstream formats are
routed with the video to the HDMI and DTP outputs.
Output volume control — The DTP CrossPoint 84 provides master volume control for the
line level and amplified (SA and MA models) audio outputs, as well as a separate control for
mic volume.
Audio input gain and attenuation — Gain or attenuation can be adjusted for each
two-channel audio input to achieve optimal signal-to-noise ratio.
Audio breakaway — Provides the capability to break two-channel audio away from its
corresponding video signal and route to the audio outputs, allowing the audio and video
signals from one source to be switched to different destinations.
S/PDIF audio output — The DTP CrossPoint 84 includes an S/PDIF output for two-
channel LPCM audio or encoded standard definition bitstream audio for Dolby or DTS
multi-channel surround sound.
Integrated digital audio matrix processor with ProDSP 32/64-bit signal processing —
The DTP CrossPoint 84 features 32/64-bit floating point audio DSP processing, which
maintains very wide dynamic range and audio signal transparency, to simplify management
of gain staging while reducing the possibility of DSP signal clipping.
Digital audio expansion port — An expansion port provides interfacing to an Extron
DMP 128 processor for AEC and audio system scalability. The expansion port allows the
DTP CrossPoint 84 and any DMP 128 ProDSP Digital Matrix Processor model to be linked
together via a single shielded Category (CAT) 6 cable for 16x8 channel transport between
devices. Expansion supports audio system scalability with expanded audio processing
and signal routing capabilities. A 1 foot (0.3 meter) shielded CAT 6 cable is included with
DMP 128 models.
Four mic/line inputs with 48 volt phantom power — Four mic or line level audio sources
can be independently mixed with program audio. Selectable 48 volt phantom power allows
the use of condenser microphones.
Mic ducking — Automatically reduces program audio when a microphone or other
incoming audio signal is detected, replacing the need for a separate audio ducking
processor.
Studio grade 24-bit/48 kHz analog-to-digital and digital-to-analog converters —
Professional converters fully preserve the integrity of the original audio signal.
Fixed, low latency DSP processing — Input to output latency is a constant 4.5 ms within
the DTP CrossPoint 84, regardless of the number of active channels or processes. Fixed,
low latency processing keeps audio in sync with video, and prevents distractions to the
presenter resulting from delayed live audio.
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