Innovative Voice Activity Detector, Comfort Noise Generator Yankton SD
The Voice Activity Detection (VAD) and Comfort Noise Generator (CNG) algorithms allow discontinuous transmission and the insertion of an artificial noise during silent intervals of speech.
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| Written by Perry | | Wednesday, 17 March 2010 21:03 | Toronto, Canada -GAO Research Inc. (www.GAOResearch.com) is offering its Voice Activity Detector (VAD) and Comfort Noise Generator (CNG) software upgraded for high performance. These modules enable the reduction of transmission rate during silent periods of speech.
The Voice Activity Detection (VAD) and Comfort Noise Generator (CNG) algorithms allow discontinuous transmission and the insertion of an artificial noise during silent intervals of speech.
This avoids noise modulation that would otherwise be present. If the background acoustic noise is present during active periods of speech abruptly disappears, noise modulation may reduce the intelligibility of the speech. The function of the Voice Activity Detector is to reliably detect the presence or absence of speech and to convey this information to the CNG algorithm.
The Comfort Noise Generator algorithm is designed to generate noise that matches the actual background noise while keeping the global transmission cost as low as possible. GAO Research Inc.adheres to stringent quality control procedures, which is reflected in the well structured code, detailed design documentation and well-defined design and test plan. This ensures ease of integration, easy maintenance and a smooth upgrade path for further generation customer products.
About GAO Research Inc. GAO Research Inc. (www.GAOResearch.com) is a recognized internation... | |
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