ClearOne comm SR 1212, PRO TH20, PRO 8I AEC Acoustical Echo Cancellation Enhancements

96 microphones and 16 telephone lines in a single Converge Pro installation.

•Increased distance between units—up to 200 feet/60.96 meters.

•Graphical, user-configurable routing matrix allows you to route any input channel to any output, processing, or fader channel (or combination thereof) on any Converge Pro unit, or across the expansion bus.

•Front panel control of mute and gain for all input and output channels.

•Safety mute button on the Console™ software button bar instantly mutes all outputs.

•ClearOne’s DSP (Digital Signal Processing) technology ensures crystal-clear audio between conferencing sites.

AEC (Acoustical Echo Cancellation) Enhancements

•Smoothing filters to reduce artifacts

•Pre-AEC bypass channels

•Improved AEC adaption and noise suppression algorithms

•Automated Push-to-Talk microphone mode with AEC freezing

•Gain and gating control tracking

•Cross point gain adjustments

•Four fader channels

•Microphone preamp gain control

•7 dB coarse gain and .5 dB fine gain increments for improved microphone gain matching

•AGC (Automatic Gain Control) algorithm

•ALC (Automatic Level Control) algorithm

Telephone Hybrid Enhancements (880T, 880TA, 840T, TH20)

•Custom telephone line settings for international teleconferencing and in-country localization

•Type I & Type II auto-sensing telephone interface (U.S. and E.U.)

•International impedance matching

•Improved TEC (Telco Echo Cancellation) with 31 millisecond tail time

•Continual TEC adaptation to telephone line conditions

•ClearEffect™ wideband audio emulation algorithm

•Digital anti-alias filter minimizes CO switching noise and hum

•ALC (Automatic Level Control) on telco receive channel

•Improved call management and processing

•Adjustable dial tone, DTMF attenuation

•Off-hook DTMF generation

•Robust dial tone detection

•Caller ID & selectable ringers

•Touch-tone dialing capability (44 character dial string)

•Analog telephone line compatibility

•10 W speaker amplifier (880T, 880TA, 840T)

•Custom ring cadence detect

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