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DigitalMedia Presentation Systems
Crestron
DMPS-100/200/300-C/300-C-AEC
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DigitalMedia Presentation Systems: DMPS-100/200/300-C/300-C-AEC
Operations Guide – DOC. 7219D
The DMPS-100/200/300-C supports 5Play™, the feature set of HDBaseT that
converges uncompressed full HD digital video, audio, Ethernet*, power and control
signals through a single CAT5e or CAT6 cable over distances up to 328 ft (100m).
Multi-Channel Microphone Mixer
For a complete presentation or conferencing solution, the DMPS-100/200/300-C
includes built-in mixing and processing for multiple microphones (two for
DMPS-100-C, four for DMPS-200-C, six for DMPS-300-C/300-C-AEC). Each mic
input provides selectable mic or line level with 40 dB gain adjustment, switchable
48V phantom power, fully-adjustable gating, compression, limiting, and 4-band EQ.
Sophisticated matrix mixing allows for a completely different stereo mix of all
microphones at each of the DMPS-100/200/300-C system’s outputs.
Acoustic Echo Cancellation (DMPS-300-C-AEC Only)
High-performance adaptive AEC on each mic input enables the DMPS-300-C-AEC
to be connected directly to audio and video codecs to form a complete
teleconferencing system solution. Low-latency, full-bandwidth performance affords
highly-effective echo cancellation with natural sound quality. AEC is employed
independently per microphone, with a fast convergence rate of 80 dB per second and
tail lengths up to 200 ms, allowing the DMPS-300-C-AEC to handle any typical
small to medium sized room with ease.
Expanded signal routing and audio processing in the DMPS-300-C-AEC allows one
or two codecs to be connected to any of the seven source inputs, and either (or both)
of the aux outputs. Dual codec support allows both codecs to be used simultaneously,
even allowing the signal from one codec to be fed to the other for a fully inclusive
teleconferencing experience. Plus, any local presentation source can be mixed with
the microphones and routed to the codecs, allowing far end participants to experience
the full presentation without any distracting echo
.
Professional Audio DSP
Each analog audio output on the DMPS-100/200/300-C includes its own digital
signal processor, allowing each output to be optimized to feed a power amplifier,
codec, recorder, or assistive listening system. In addition to real-time adjustable
volume, bass, treble, and mute controls, each DSP provides 10-band graphic
equalization, 2-band parametric equalization, and 85 ms speaker delay adjustment.
Hardware relay muting on each output helps prevent "thumping" on power up.
An additional dedicated DSP is included to process the AEC reference signal inside
the DMPS-300-C-AEC, allowing its EQ and volume level to be set to track that of
the main program output feeding the room speakers. In some situations, this can
reduce the demand on the AEC’s adaptive filter for even more transparent
performance.
Built-in Amplifier
Its built-in 40 watt amplifier allows the DMPS-100/200/300-C to directly drive a pair
of stereo speakers, or a string of 70 or 100 volt ceiling speakers. Fed by the main
"Program" output, the internal amplifier benefits fully from the onboard DSP. For
larger applications, Crestron AMP-Series power amplifiers may be added, providing
a complete solution for driving separate program and speech speakers, or any
multi-zone loudspeaker system.
* Supplying power over DM (PoDM) requires external power pack, sold separately.
Содержание DMPS-100
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