Multi-channel sound processing systems

Details Multi-channel sound processing systems Multi-channel sound processing systems

H - Electricity

04

S

H04S 3/02 (2006.01) H04S 3/00 (2006.01)

Patent

CA 2507507

Sound processing systems have been developed that create a surround effect without quality degradation experienced by known sound processing systems in non-optimum listening environments. The sound processing systems may include matrix decoding systems that manipulate input signals prior to converting them into a number of output signals so that the output signals are a function of a greater number of input signals. These sound processing systems may also or alternately include a bass management system that from the input signals preserves the low frequency components of the input signals in separate channels. Both the matrix decoding systems and bass management systems may also produce additional signals. Further, the matrix decoding and bass management systems may be implemented separately or jointly in vehicular sound systems.

On a développé des systèmes de traitement du son à plusieurs voies qui créent un effet d'ambiance sans dégradation de la qualité en utilisant des systèmes connus du traitement du son et dans des environnements d'écoute non optimaux. Lesdits systèmes peuvent comporter des systèmes de décodage matriciel manipulant les signaux entrants avant de les convertir en plusieurs signaux sortants en fonction du nombre plus élevé des signaux entrants. Lesdits systèmes peuvent également ou en variante comporter un système de gestion des basses qui place les composantes basse fréquence des signaux entrants dans des canaux séparés. Les systèmes de décodage matriciel et de gestion des basses, qui peuvent également produire des signaux additionnels, peuvent être disposés séparément ou conjointement dans un système de sonorisation d'un véhicule.

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