Lectrosonics SPNTWB front view

Lectrosonics SPNTWB DIGITAL AUDIO PROCESSOR, 8 IN, TEL. HYBRID, PWR AMP, WIDEBAND

Vendor: Lectrosonics
Description Lectrosonics SPNTWB DIGITAL AUDIO PROCESSOR, 8 IN, TEL. HYBRID, PWR AMP, WIDEBAND The Lectrosonics SPNTWB is professionally designed capable of providing the boards from the SPN812 and the SPNCWB in a 2RU chassis for providing a...

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Description

Lectrosonics SPNTWB DIGITAL AUDIO PROCESSOR, 8 IN, TEL. HYBRID, PWR AMP, WIDEBAND

The Lectrosonics SPNTWB is professionally designed capable of providing the boards from the SPN812 and the SPNCWB in a 2RU chassis for providing a complete, stand-alone component for telepresence and audio conference systems. The unit is capable to be used along with additional ASPEN processors for adding additional inputs and outputs. Setup and adjustments are capable to be made with the use of the control panel software or the front panel LCD interface. Inputs and outputs appearing on the LCD have been consolidated into logical groups simplifying navigation.

The far end audio signals in a conference participate in the same manner as local microphones connected to the processor. Three sites connected with the use of two codecs and a telephone line possible to be bridged into a single conference as seamlessly as local microphones.

The ASPEN AEC (acoustic echo canceller) is capable of providing a new and advanced algorithms developed for addressing the need for a single acoustic echo canceller that is capable to handle the challenges of multi-site bridging and an unlimited number of microphones. The AEC converges very quickly, then continues to increase the cancellation depth at every opportunity as a conference continues. Cancellation depth will increase even with brief signal peaks from the far end, and convergence will never be lost with any type of signal or in double talk situations.

The AEC in combination comes along with the patented gain proportional mixing algorithm* is providing outstanding audio quality without echo heard at the far ends.

Signals from the far ends of the conference are routed to the local sound system also to a final mix that is used as a reference signal by the AEC. Audio from the local microphones (which comes including far end audio from the local loudspeakers) is routed to the AEC via a second final mix designed for cancellation of the far end signals. After processing, the output of the AEC is routed back to the far ends through the matrix.

The proprietary noise reduction filter used in ASPEN processors is a third octave dynamic processor which is very effective by the time it is applied to the far end Codec and telephone line signals during the time of poor connections occur.

An ethernet port is provided for setup and control with the use of standard network connections, and an RS-232 port is provided for use along with remote control systems. The design is allowing simultaneous, multi-point third party control.

A two channel power amplifier is included for loudspeakers in the local sound system. The power amplifier is driven by final mix outputs from the matrix and has a full set of signal processing, including parametric EQ, compressor and limiter. Class-D amplification is implemented with a late generation component that provides exceptional efficiency, low heat, excellent audio performance and cannot be damaged by wiring errors.

  • Quad-reference Wideband Acoustic Echo Canceller supporting 3-way Bridging
  • Two maximum speed grade, 4th generation SHARC® processors*
  • Dual Codec interfaces
  • TCP/IP Ethernet Addressable
  • Fully integrated with ASPEN digital matrix
  • Adaptive Proportional Gain Automatic Mixing at the Matrix Crosspoints
  • Third Octave Noise Filter on each channel
  • Sigma-delta class-D audio power amplifiers
  • Built-in 8 in/12 out ASPEN mixer with full signal processing on all inputs and outputs
Specifications

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