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Opus Audio Codec Solutions

Opus audio codec solutions support interactive applications for both voice and music including Voice over IP and videoconferencing as well as, mobile, in-game chat, and live distributed performances. The Opus codec readily scales from low

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Noise Reduction Solutions

Noise reduction & noise cancellation solutions provide superior speech enhancement for a wide range of Mobile, VoIP and Voice applications. Our algorithms adaptively reduce background noise and effectively increase the SNR of speech. Active noise

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Vocal’s Noise Reduction Solutions

VOCAL’s Noise Reduction solutions are used in military, industrial and commercial applications such as cockpits, call centers, and other challenging acoustic environments that can interfere with effective voice communications. Our Microphone Noise Reduction solutions provide different

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Vocal’s Fax Modem Software Solutions

VOCAL’s Fax modem solutions provide a range of fax modulations and protocols for a variety of facsimile applications and fax communications over Internet, radio, mobile, PSTN and other IP networks. Our Super/Group 3 fax softmodem designs include high speed

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PC Video Software Design

VOCAL’s PC video software solutions enable rapid development of video communication and video processing applications on PC platforms such as Microsoft Windows and Linux.  Our software can be built on low-level APIs such as Windows

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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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Time Domain Echo Based Digital Audio Watermarking

There are many methods to digital audio watermarking, as discussed in Categories of the Digital Audio Watermarking Embeddings and Detection. This article will focus on the echo-based solutions which are informed time domain solutions. This

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ITU G.711.1 Embedded Wideband Codec

ITU G.711.1 Software Wideband extension of G.711 a-law and mu-law data Narrowband and Wideband Sampling Rates supported Configurable data rates (64, 80, 96kbps) Optimized for DSPs, RiSC, CISC processors ITU G.711.1 compliant VOCAL offers the

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