Silence-suppression meaning

Encoding the start and stop times of silence (lack of voice) in order to eliminate wasted bandwidth when sending voice over a packet-switched system.
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A technique used to improve bandwidth utilization of voice circuits. Through silence suppression, a mechanism senses periods of inactivity in a voice conversation and simply ceases sending data associated with that conversation, rather inserts the conversation of another speaker into that channel.Time-assignment speech interpolation (TASI) used this technique on long haul frequency-division multiplexed (FDM) analog voice circuits. In contemporary digital networks, digital speech interpolation (DSI) uses silence suppression. See also DSI, FDM, suppression, and TASI.
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