Product description:

Polycom 2200-15100-001

The Polycom Soundstation 2 (2200-15100-001) conference phone features the Industry-Leading Full Duplex Operation for natural, simultaneous two-way conversation with excellent sound quality. You can speak in a normal voice and be heard clearly up to 10 feet away from the SoundStation 2 base.

The SoundStation 2 uses smart technology, which includes Dynamic Noise Reduction (DNR), provides maximum microphone sensitivity, and reduces distracting background noise. The SoundStation 2 offers 360-degree microphone coverage with intelligent mixing.

Soundstation 2 Features:
•Corded Conference Phone
•Acoustic Clarity Technology
•Dynamic Noise Reduction
•Intelligent Microphone Mixing
•Three Cardioid Mics
•Range Up To 10 Feet
•RCA Audio Jack
•Adjustable Volume (Up To 94dBA)
•Mute / Volume / Conference Buttons
•Integrated Keypad
•For use with Analog Telephone Lines

Key Term Definitions

Acoustic Clarity Technology:
This Polycom patented technology allows you to enjoy instantaneous natural conversation. When paired with a full duplex speakerphone, echo is eliminated and both callers are able to speak simultaneously without experiencing voice dropouts. The voice clarity on conference systems that feature this technology is incredibly crisp and clear.

Dynamic Noise Reduction:
One of Polycom's signature features, Dynamic Noise Reduction (DNR) eliminates the unwanted background noise that plagues more traditional conferencing methods. This technology was first introduced in the 1980's and targeted noise reduction in long distance communications. DNR can cut down clatter by as much as 10 decibels and can be paired with similar systems. The Polycom systems that carry this feature provide the user with optimum microphone sensitivity while removing dynamic noise. DNR can really make a difference when conferencing with client's long distance, the level of professionalism will be much appreciated.

Cardioid Microphones:
All microphones have directional characteristics, which are determined by the way a microphone picks up sounds. Microphones can pick up signals from several directions or from one focused point. A cardioid microphone, the most popular of conferencing systems, picks up sound/signals primarily from the front of the microphone. When the pattern of cardioid sound pickup is graphed the shape resembles that of a heart, hence the name. These microphones focus on the sound in front of them and lessen ambient noise from the back or sides.

Automatic Gain Control:
This adaptive technology is a standard feature in most electronic devices. Automatic Gain Control (AGC) takes the average output signal level and adjusts the gain to the appropriate level for input signal levels. For example, when a signal is too strong the AGC reduces its volume and when the signal is too weak the AGC increases the volume. In telephones the AGC is most commonly used when a conversation is recorded. The AGC will take the large signal from the local user and the small signal from the long distance user and produce a recording that is well balanced.

Analog:
Analog is the original telephone technology, a system that converts air vibrations (like those created by the human voice) into similar electrical frequencies. Analog lines can support phones, fax machines, and modems and are typically found in homes or small office settings. Analog systems measure data in one continuous variable while digital breaks down and manipulates the data. One of the advantages of analog systems is that they dot not require a filter for band-limiting. Several SoundStation models operate on an analog system with features that are specifically designed for day to day communication.

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