Method and device for generating sound in a hall
First Claim
1. Method of generating sound in a space for people, characterized in that a sound-ceiling (4) is mounted in a space (2) and is given such a placing that it is positioned above the heads of the people being in the space, and that the sound-ceiling (4) is given a size of at least 5 m2 and a number of loudspeakers of at least 50, resulting in that there arises a destructive interference between the sound-waves from the loudspeakers of the sound-ceiling (4), whereby the propagation of the sound from the sound-ceiling (4) to the area outside the space (2) is minimized.
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Abstract
This invention relates to a device for generating sound in a hall comprising a first space for dancers and/or listeners and an adjacent second space, for instance a catering space. According to the invention a sound-ceiling (4) is arranged in the first space (2) in a distance from the floor, and is a large number of loudspeakers (5) arranged in the sound-ceiling.
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Citations
8 Claims
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1. Method of generating sound in a space for people, characterized in that a sound-ceiling (4) is mounted in a space (2) and is given such a placing that it is positioned above the heads of the people being in the space, and that the sound-ceiling (4) is given a size of at least 5 m2 and a number of loudspeakers of at least 50, resulting in that there arises a destructive interference between the sound-waves from the loudspeakers of the sound-ceiling (4), whereby the propagation of the sound from the sound-ceiling (4) to the area outside the space (2) is minimized.
- 2. A device for generating sound in a space for people, characterized in that it comprises a sound-ceiling (4) in a space (2) having such a placing that during use it is positioned above the heads of the people being in the space, that the effective area of the sound-ceiling is at least 5 m2, and that the number of loudspeakers in the sound-ceiling (4) is at least 50, whereby there arises a destructive interference between the sound-waves from the loudspeakers of the sound-ceiling (4), so that the propagation of the sound from the sound-ceiling (4) to the area outside the space (2) is minimized.
Specification