What conditions necessitate echo cancelling and noise reduction?

Group and "hands-free" meetings require echo cancellation to prevent the retransmission of sound from a loudspeaker through an open microphone in areas such as meeting rooms and executive offices.

If you prefer not to wear a headset and work hands- free, you require an echo-canceller to prevent your colleagues hearing their own voices echoed back from your microphone.

Conferencing microphones are sensitive devices. Effective noise reduction is required to remove unwanted noise from projector and laptop and air-conditioning fans.

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What solutions are available?

ANEC recommends the Wideband Solutions WC301for the professional user.

This is ideal for executive offices, small meeting rooms and board rooms. The  Webcall WC301 features echo cancelling - with noise reduction and will support up to three microphone inputs.

An excellent alternative for "hands free" individual use is the Global Media ClearMic Echo Cancelling Microphone, which features a universal camera mount and no noise reduction.  Details on request.

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What type of microphones are required for video and audio conferencing?

The Wideband WC301 has 3 microphone inputs which require acoustic boundary condenser microphones featuring an integrated preamplifier with balanced output.

Suitable branded and tested products include CTGaudio, Shure, Audio Technica and BeyerDynamic

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Which device is best suited to enhancing the conferencing capabilities of VoIP handsets and IP applications such as Skype?

The Wideband WC301 is a "plug and play" device that connects directly to VoIP phones with a RJ10 headset adaptor. Pressing the headset button engages the Webcall system. The WC301 is compatible with AVAYA, Tandberg and Cisco video conferencing operation.

This solution works well with Skype enabling totally "handsfree" operation

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Which phones have been tested for plug and play compatibility?

CISCO    AVAYA    POLYCOM
7970G    4610SW   IP300
7960G    4620SW   IP500
7940G    4630SW   IP600

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