Complete Communications Engineering

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TSVCIS Interoperability Features

MELPe TSVCIS Vocoder Software Tactical Secure Voice Cryptographic Interoperability Specification (TSVCIS) was developed to provide interoperability between Waveforms utilizing different vocoder rates, levels of encryption and forward error correction. TSVCIS specifies both Narrowband (NB) and

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ALSA Codec Configuration

When working with ALSA and SOC (system on a chip) drivers, the codec refers to the audio hardware.  That is, the microchip that implements the audio system.  These chips can be connected to the processor

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Reverberation and Acoustic Beamforming

The goal of an optimal beamformer is to minimize the interference and noise sources, while preserving the desired signal in a specific direction. The solution to this constrained minimization problem is the well-known Minimum Variance

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Voice Design Solutions

VOCAL provides a broad range of Voice Design Solutions to support a variety of voice applications as well as voice communications over Radio, Mobile, PSTN and IP networks. Our voice designs may be configured from

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Fullband Information Aiding a Subband Echo Canceller

Subband adaptive filters (SAF) are commonly applied to acoustic echo cancellation (AEC) software solutions because they provide better steady-state convergence for LMS type adaptive algorithms over their time domain counterparts with reduced computational complexity. The

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Multi-Band Dynamic Range Compression (DRC) Software

Multi-Band Dynamic Range Compression (DRC) software is audio signal processing algorithm which limits the difference between the minimum and maximum signal levels.  VOCAL’s Dynamic Range Compression is available as an individual software library module or

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SAMS MV-90 xi Meter Polling

Itron’s MV-90 xi platform is a popular and vital meter management system among utility companies. MV-90 xi Meter Polling polls a large range of meter devices from different manufacturers to gather usage data and statistics.

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Satellite Communications Solutions

Many people would think with today’s IP connected world, satellites would be less important.  But reality is quite the opposite.  In addition to geostationary satellites providing legacy telcom services, there are many new providers; some

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