The DMTH4 integrates telephone lines, video codecs and external audio sources into the digital bus structure of DM Series processors so these sources operate as though they are another microphone or audio input in the sound system. The unit is much more than just a telephone interface. Instead, it is a complete DM Series digital matrix processor, with a 3-in/24-out digital matrix, automatic mixing and comprehensive signal processing on every input and output. In essence, it simply connects to telephone lines, video codecs and external audio sources instead of mic/line inputs and outputs and integrates seamlessly with DM Series matrix processors.
3-in/24-out digital matrix architecture
Fully integrates with DM Series processors
Telephone, codec and auxiliary inputs and outputs
Two Acoustic Echo Cancellers - 126 ms tail time
Line echo canceller - 30 ms tail time
6 filters plus compressor on each input
6 filters plus compressor/limiter on each output
USB and RS-232 interfaces for setup and control
Fully balanced audio signal flow through entire system - no pin 1 problem
Digital I/O ports for "daisy chaining" and to connect other LecNet 2 devices
Proportional gain auto mixing algorithm with AutoSkewâ„¢ - US Patent 5,414,776
Ultra high speed centralized acoustic echo canceller allows unlimited expansion of system microphone inputs - literally hundreds
RCWPB8
Programmable pushbutton remote control for DM Series processors; 8 buttons with LED indicators; use for level control, preset recall and room combining; fits standard Decora plates.
RCWPB8DESK
Programmable pushbutton remote control for DM Series processors; 8 buttons with LED indicators; use for level control, preset recall and room combining; fits standard Decora plates.