Phase plug and acoustic lens for direct radiating loudspeaker

H - Electricity – 04 – R

Patent

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Details

H04R 1/34 (2006.01) H04R 1/36 (2006.01)

Patent

CA 2731972

A phase plugs or acoustic lens improves the directional audio performance of a loudspeaker. Application of the improved directional audio performance to a sound system in a listening area improves the performance of the audio system. Configurations of acoustic lens or phase plug which include both symmetrical and asymmetrical features to provide an improved frequency response and directivity are presented. The application of phase plugs or acoustic lens to a loudspeaker may provide improved sound in a listing location, for example, in a vehicle.

La présente invention porte sur des bouchons de phase ou sur une lentille acoustique qui améliore la performance audio directionnelle d'un haut-parleur. L'application d'une meilleure performance audio directionnelle à un système sonore dans une zone d'écoute améliore la performance du système audio. Sont présentées des configurations de la lentille acoustique ou du bouchon de phase qui comprennent à la fois des caractéristiques symétriques et asymétriques pour donner une meilleure réponse en fréquence et une meilleure directivité. L'application de bouchons de phase ou d'une lentille acoustique à un haut-parleur peut donner un meilleur son dans un emplacement d'écoute, par exemple, dans un véhicule.

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