Loudspeaker enclosure element for forming vertical line array systems adjustable horizontal and vertical directivity

Abstract

A sound reinforcement system is disclosed for the reproduction of wide-range high-power sound, which comprises several loudspeaker enclosures, each containing at least one driver or loudspeaker with an emission throat, a duct with parallel or inclined walls between the emission throat of the driver or loudspeaker and a diffraction slot, and a wave guide that continues from the diffraction throat onwards, consisting in divergent walls, of which the inclination of at least one can be varied. Each loudspeaker enclosure element is equipped with mechanical parts on each side, for its connection to other identical enclosure elements, positioned vertically one above another and horizontally alongside one another, for a variation of the inclination of each enclosure element on the vertical plane, regulation of the wave guide aperture on the horizontal plan and regulation of vertical and horizontal sound dispersion.

Description

technical field [0001] The present invention generally relates to the field of wide-band and high-power sound reinforcement, and specifically proposes an improved combined speaker box, which can be used as a single unit with adjustable horizontal and vertical directivity under normal circumstances, and the speaker boxes can be stacked can be mounted vertically to form a so-called line array, adjustable both horizontally and vertically, or can be further connected to form a so-called point source array, in both cases, either as a single loudspeaker enclosure or previously assembled as several loudspeaker enclosures started to form the basis. Background technique [0002] After Heil, in the field of wide-band, high-power sound reinforcement, the main high-frequency operation method of the speaker box system that forms a vertical line array has become more famous. Using these principles, in order to emit high-power sound to a relatively distant area, a certain number of speake...

AI Technical Summary

Problems solved by technology

This results, on the one hand, in the same type of acoustic coupling as in point source arrays, with unwanted interference in the horizontal plane due to overlapping of the acoustic emissions and consequent comb filtering; In addition to this exacerbation, an array shape whose vertical coverage angle changes every time creates a difference in the distance between elements; More geometric / mechanical challenges arise when more systems are hoisted side by side

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