H - Electricity – 04 – B
Patent
H - Electricity
04
B
H04B 1/40 (2006.01) B60R 16/02 (2006.01) H04B 7/26 (2006.01) G10L 9/00 (1995.01) G10L 9/18 (1995.01)
Patent
CA 2094319
In a mobile communication system, a speech signal is transmitted without discontinuity even when transmission channels are switched during communication. A control circuit issues a control signal, in response to a switching timing of the transmission channels, to an initialization circuit. Theinitialization circuit initializes contents in a memory in a speech signal encoder circuit in response to the control signal. Because the memory contents in the encoder circuit are initialized with the switching timing of the transmission channels, the influence of previous speech codes, and hence the discontinuity, are eliminated.
Dans un système de communication mobile, un signal vocal est transmis sans discontinuité même quand les canaux de transmission sont commutés au cours de la communication. Un circuit de commande transmet un signal de commande à un circuit d'initialisation en réponse à la commutation des canaux de transmission. Ce circuit d'initialisation initialise le contenu d'une mémoire incorporée à un circuit de codage de signaux vocaux en réponse à la réception de ce signal de commande. Étant donné que le contenu de cette mémoire est initialisé à la commutation des canaux de transmission, l'effet produit par les codes vocaux précédents, et par conséquent la discontinuité, sont éliminés.
Corporation Nec
G. Ronald Bell & Associates
LandOfFree
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