H - Electricity – 04 – L
Patent
H - Electricity
04
L
H04L 29/02 (2006.01) H04L 27/00 (2006.01) H04B 7/005 (2006.01) H04L 12/28 (2006.01) H04Q 7/20 (2006.01)
Patent
CA 2552660
A method for controlling audio/visual signal distribution includes receiving an input signal and prefiltering the input signal. Plural quantized coefficients are generated from the input signal and have a variable coarseness. The plural quantized coefficients are encoded and transmitted to a transmission buffer. During operation, the occupancy level within the transmission buffer is monitored. Based on the occupancy level, the coarseness of the plural quantized coefficients is varied accordingly.
L'invention concerne un procédé destiné à réguler la distribution d'un signal audiovisuel et consistant à recevoir un signal d'entrée et à préfiltrer ce signal d'entrée. Une pluralité de coefficients quantifiés sont générés à partir du signal d'entrée et présentent un caractère brut variable. Les coefficients quantifiés sont codés et transmis à un tampon de transmission. En cours de fonctionnement, le taux d'occupation dans le tampon de transmission est surveillé. Sur la base du taux d'occupation, on fait varier le caractère brut des coefficients quantifiés.
Gowling Lafleur Henderson Llp
Sony Corporation
Sony Electronics Inc.
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