Crestron DMPS-300-C-AEC Spezifikationen PDF herunterladen (Seite 2)

DMPS-300-C-AEC DigitalMedia

™

Presentation System 300 w/Acoustic Echo Cancellation

crestron.com

800.237.2041

include adjustable input compensation to accommodate a wide range of

signals and maintain consistent volume levels when switching

between sources.

DigitalMedia 8G+

Integrated DM 8G+ inputs and outputs afford the ultimate in simplicity,

providing a true one-wire interface for remote sources and display devices.

Easily add up to two DM 8G+ transmitters to provide connectivity for HD AV

sources and computers at a table or lectern. Connect two DM 8G+

receivers to provide independent signal routing and control for two

separate projectors or flat panel displays. Supporting wire lengths up to

330 feet (100 meters), DM 8G+ can also provide an ideal interface to

a central DigitalMedia switcher as part of a larger multi-room or room-

combining system.

DM 8G+ requires just one CAT5e wire run to each location, transporting

high-definition video, audio, and Ethernet for each device without

compromise. Power over DM (PoDM) is supplied over the same CAT5e

connection, providing a centralized power source for all compatible

transmitters and receivers.

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HDBaseT

Certified

Crestron DigitalMedia 8G+ technology is designed using HDBaseT

Alliance specifications, ensuring interoperability with third-party HDBaseT

products. Via DM 8G+, the DMPS-300-C-AEC can be connected directly to

any HDBaseT compliant source or display device without requiring a

transmitter or receiver.

6-Channel Microphone Mixer

For a complete presentation or conferencing solution, the

DMPS-300-C-AEC includes built-in mixing and processing for six

microphones. Each mic input provides selectable mic or line level with

60 dB of 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 6 microphones at each of

the DMPS-300-C-AEC’s seven outputs.

Acoustic Echo Cancellation

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-300-C-AEC 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-300-C-AEC 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

DMPS-300-C-AEC – Rear View

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