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Polycom Vortex EF 2280, US $910 – Picture 0
Polycom Vortex EF 2280, US $910 – Picture 0

Polycom Vortex Ef 2280

US $910

  • Richardson, Texas, United States
  • Jun 9th
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The EF2280 is a 12-input, 12-output, 8-channel acoustic echo and noise canceller with matrix mixing and automatic microphone mixing capabilities. It includes a total of 12 analog inputs (8 mic/line level inputs and 4 line level inputs), 12 analog outputs, and 4 digital expansion busses. Acoustic echo cancellation (AEC) and noise cancellation can be applied to each of the 8 mic/line level inputs, and each of these inputs can then be sent to one of the two internal automatic microphone mixers. The system also contains a 25 x 18 main matrix, and four 7 x 3 submatrices. The 25 x 18 main matrix has the following inputs: input channels 1-8 (gated or ungated), input channels A-D, the internal signal generator, and 3 mixes of each of the four digital busses (3 mixes times 4 busses equals 12 inputs). The 25 x 18 main matrix has the following outputs: outputs 1-8 and A-D, AEC reference 1 and 2, and W, X, Y, and Z outputs to the digital expansion bus. The EF2280 has 24 bit resolution, 32-bit floating point computation, and a 48 kHz sampling rate. Polycom’s proprietary noise cancellation on each of the 8 mic/line inputs helps to keep overall ambient noise to a minimum. Polycom echo cancellers are the only ones on the market to feature this patent pending technology. Noise cancellation filters out ambient background noise such as noise from heating, ventilating and air conditioning (HVAC), LCD projectors, and road noise. Our noise cancellation technology is not a noise gate. It actually removes noise.

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