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comfort noise |
Also found in: Acronyms, Wikipedia | 0.05 sec. |
comfort noiseA tone that is generated for packetized voice transmission to simulate the traditional TDM circuit where you hear a slight background noise when nobody is talking. Dead silence is disconcerting for most people. See TDM-to-packet conversion. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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729 but requires less computation, and G729B, which is a silence compression scheme with Discontinuous Transmission (DTX), Voice Activity Detection (VAD), Comfort Noise Generator (CNG) and Silence Insertion Descriptor (SID). The solution integrates features such as Unicoi's family of voice codecs, acoustic (AEC) and line echo cancellation (LEC) software, a dynamic jitter buffer, Voice Activity Detection (VAD), Comfort Noise Generation (CNG), three-way conferencing and SIP based call processing. Additional sound enhancement features are integrated for optimizing sound quality such as the 10-band graphic equalizers and spectrally matched comfort noise. |
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