Clear-Com Tempest2400, Справочное руководство

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Clear-Com®
Tempest®2400 2-Channel Wireless Intercom System 9
Covering extremely large areas or multiple coverage locations can be problematic with traditional wireless intercom systems.
Tempest utilizes iSelect™ on-command roaming to allow users to move from one area of coverage to another. iSelect
allows Tempest users to easily choose the desired coverage area by selecting the BaseStation they want to communicate
through. The BeltStation (remote) remembers the last 64 BaseStations with which it has been Paired. When a different
BaseStation is selected, the hopping pattern and key code of the BeltStation is synchronized to the selected BaseStation
and the BeltStation logs into the BaseStation.
Audio latency is a critical factor in all digital systems. The hop duration in Tempest is intentionally kept very short - under
5ms. This short hop duration limits the amount of data that may be lost in any one hop. More importantly, it reduces system
latency, which can cause undesirable echo. Total one-way (BeltStation to BaseStation) system latency is less than 50ms.
Even with this short system latency, unwanted and distracting echo will occur when interfacing with hardwired party-line
intercom systems unless echo-reduction technology is implemented. Echo is primarily the result of inefficiencies in the
conversion of the two-wire signal. This condition exists in analog systems as well, but it does not cause unwanted echo
because there is no system latency delay. Tempest uses advanced echo-cancellation algorithms to eliminate this echo.
Wireless intercom systems are often used in high-noise environments that require special design consideration for effective
operation. Tempest operates extremely well even in very high ambient noise levels. This is primarily due to specific design
criteria which allow Tempest to achieve an audio dynamic range of greater than 94dB. This is more than double that of
most other digital wireless communication systems. This design makes Tempest ideal for use at sporting venues, concerts
and other events where unwanted noise levels are high.
Tempest offers a host of features and technology to ensure that it performs well in almost all production environments
virtually anywhere in the world with no licensing requirements or fees.