Polycom EF2280 Automatic Mic / Matrix Mixer with Echo and Noise

The Polycom Vortex EF2280: 

Integrates with Polycom Soundstation VTX 1000 conference phones and VSX 7000 / VSX 8000-series video conferencing units. 

The Vortex® EF2280 is a multichannel acoustic echo and noise canceller with integral automatic microphone / matrix mixer. It is a complete all-in-one solution for audio and video conferencing, distance learning, courtrooms, and more.  The Vortex has been shipping since February 2001.
 

• 12 inputs, 12 outputs, 8 mic/line input channels
• Acoustic Echo Cancellation and ambient noise cancellation on each mic/line input
• 25 x 18 Matrix mixer with user-adjustable cross point gains
• Voice-driven AGC utilizing neural network processing - activates only on valid voice signals
• 5-band parametric EQ on each input channel and output channel
• Selectable 24V phantom power available on each mic input
• Full Bandwidth performance - 20 Hz to 20 kHz throughout
• Connect up to 8 Vortex units, with control of NOM over all units
• Over 10dB of room gain allowed by system
• "Conference Composer" Software provides easy programming
• 32 user-programmable presets, 16 factory programmed presets
• Macros (mini-presets) allow further customization of presets
• Fully configurable logic 24 logic inputs, 20 logic outputs
• Two Automatic Microphone Mixers included to allow room combining
• 40 dB/second AEC convergence
• 270 ms echo cancellation span
• User selectable noise cancellation - 6, 10 or 15 dB
• Fully RS232 controllable
• Infrared remote available