DTP CrossPoint 4K Series Matrix Switchers • Introduction 6
• Logos — The DTP CrossPoint switcher can display logos on the scaled outputs.
The DTP CrossPoint can store up to 16 MB of bitmapped logos.
• Remote powering of DTP transmitters and receivers — The
DTP CrossPoint 4K Series can provide power to four DTP transmitters and four 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 4K Series 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 4K Series includes an S/PDIF output for
2-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 4K Series 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 4K Series 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.
• Acoustic echo cancellation (AEC) on the mic inputs — The mic inputs feature
high performance AEC, as well as selectable noise cancellation. Extron AEC features
advanced algorithms that deliver fast echo canceler convergence for optimal intelligibility
in situations that challenge AEC performance, including double-talk, and the use of
wireless microphones at the near end.
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