Vortex Ef2211/Ef2210 Features And Functions - Polycom EF2201 Brochure & Specs

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Single channel of mic/line acoustic echo cancellation (AEC), noise cancellation (NC), and automatic gain control (AGC).
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48 VDC phantom power on microphone input, software selectable.
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2 line level inputs with adjustable input level.
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40 dB/second convergence rate on each AEC channel.
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270 msec tail time.
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20dB headroom on all channels.
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3 line level outputs (0dBu nominal level), user adjustable.
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Polycom patented noise cancellation algorithms remove steady-state noise signals on mic/line input (and on telephone line
output in Vortex EF2211); user adjustable up to 15 dB of noise reduction.
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5-band parametric filters for input and output equalization on each of the inputs and outputs.
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Digitally controlled analog trim pots on A/D inputs for precise input level adjustment.
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24-bit codecs, 32-bit floating-point processing.
• 48kHz sample rate ⇒ 22 kHz bandwidth on all channels.
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RS-232 for interface to control systems and Conference Composer software.
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24 configurable logic input pins and 20 configurable logic output status pins.
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High speed, low-delay EF expansion bus links up to 8 Vortex devices with 4 channels per device plus AEC reference.
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32 user presets, 16 factory presets, 256 macros (each up to 256 commands).
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Conference Composer software for easy configuration, project management, and project documentation.
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InstantDesigner setup wizard reduces configuration time from hours to minutes – its capabilities will amaze you!
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Front panel LCD for controlling and configuring the product without a computer.
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Internal signal generator for noise masking applications and calibration.
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