Method for dynamic allocation of voice and image compression

H - Electricity – 04 – Q

Patent

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Details

H04Q 3/66 (2006.01) H04L 12/56 (2006.01) H04L 29/06 (2006.01) H04N 7/173 (2006.01)

Patent

CA 2203577

A communications system providing a means for dynamically controlling system performance during times when communications traffic substantially changes to prevent blocking service while maintaining communications quality. The communications system provides such dynamic control for voice and/or video communications. For example, a voice communications system according to the present invention provides a means for increasing the effectivevoice capacity during times of increased voice traffic in a given service area, and decreasing the effective voice capacity during time of decreased voice traffic, wherein the decrease in the effective voice capacity provides an increase in voice quality. In one illustrative embodiment, when the voice traffic increases to a given threshold level, the system implements speech compression on selected channels to increase the effective capacity to that service area. In another embodiment, thesystem combines two compressed channel into one to increase the effective capacity even further.

Système de télécommunication comportant des caractéristiques permettant d'en contrôler le rendement de façon dynamique aux moments où le trafic fluctue de façon marquée, afin de prévenir les blocages tout en maintenant la qualité des télécommunications. Le système permet le contrôle dynamique de la transmission de la voix et des images vidéos. Par exemple, un système de transmission de la voix visé par la présente invention permet d'accroître la capacité effective de transmission de la voix aux moments où le trafic augmente dans une zone de desserte donnée, et de réduire cette capacité lorsque le trafic diminue, cette réduction permettant une augmentation de la qualité de la voix. Dans une application, lorsque le trafic atteint un seuil déterminé, le système comporte un mécanisme de compression de la voix sur des voies sélectionnées afin d'augmenter la capacité de transmission effective dans une zone de desserte donnée. Dans une autre application, le système combine deux voies de transmission comprimées en une seule voie pour augmenter davantage la capacité de transmission effective.

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