Directivity control and efficiency of parametric loudspeakers with horns

Umut Sayin, Oriol Guasch

Producció científica: Article en revista indexadaArticleAvaluat per experts

11 Cites (Scopus)

Resum

This manuscript presents some recent results on directivity control and efficiency of parametric loudspeakers utilizing horns. Horns act both like an acoustic transformer and a directivity control method. An experimental device has been built and measurements have revealed that the horn has a clear influence on the audible sound levels and directivity of the parametric loudspeakers. When compared with a conventional megaphone, a much more flat frequency response is obtained and the resulting directivity is shown to be almost frequency independent.

Idioma originalAnglès
Pàgines (de-a)EL153-EL157
RevistaJournal of the Acoustical Society of America
Volum134
Número2
DOIs
Estat de la publicacióPublicada - d’ag. 2013

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