Speaker system with eight acoustic radiators

A loudspeaker and sound radiation technology, applied in the directions of amplifying systems, electrical components, etc., can solve the problems of high use cost and complicated design, and achieve the effects of low cost, simple design method and uniform radiation sound field.

Inactive Publication Date: 2011-08-17
NANJING UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The above methods can increase the uniformity of the radiation sound field of the speaker system

Method used

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  • Speaker system with eight acoustic radiators
  • Speaker system with eight acoustic radiators
  • Speaker system with eight acoustic radiators

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Experimental program
Comparison scheme
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Embodiment Construction

[0018] The specific implementation method of the present invention will be described below in the form of examples.

[0019] according to Figure 1-2 , arrange the speaker unit 1 and the passive radiator 2 (with the same vibration structure as the speaker unit, but without power drive) in sequence. When the loudspeakers form a system, the sound sources should be equidistant, for example, the center-to-center distance of adjacent sound radiators should be d=0.05m. Two passive radiators are arranged in first and fifth positions, or corresponding fourth and eighth positions, in the array.

[0020] image 3 given the application figure 1 The middle arrangement (a) optimizes the frequency response curve of the front and rear speaker systems in the range of 45 degrees away from the main axis. It can be seen that after optimization, the speaker system with eight acoustic radiators has a wide radiation angle in the operating frequency range, a uniform radiation sound field, and an...

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PUM

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Abstract

The invention discloses a speaker system with eight acoustic radiators, wherein six of the eight acoustic radiators and two passive radiators are successively arranged based on a certain rule to constitute the speaker system with an array consisting of eight acoustic radiators, and the two passive radiators are respectively arranged in a first position and a fifth position in the array. The speaker system in the invention can have a wider radiator angle in the working frequency range of the speaker system, and the low frequency response is improved. The speaker system has the advantages of wider radiation angle in the working frequency range, uniform radiation sound field, ideal low frequency response, simple design method, low cost and convenience in use.

Description

technical field [0001] The invention relates to a method and a device for setting up a loudspeaker system, in particular to the design of a sound column and a sound beam. Background technique [0002] Many occasions require a higher sound pressure level. Due to the limited sound energy radiated by a single sound source (such as a speaker unit), it is difficult to achieve a high enough sound pressure level. It is natural for people to think of using multiple sound sources. A "sound wall" speaker system consisting of hundreds of speakers has emerged. Unfortunately, the sound waves radiated by a large number of speakers will interfere, and the greater the number, the more difficult it is to control. It was later found that the "sound column" (sound column) speaker system is very practical. The sound column is a loudspeaker system in which multiple identical loudspeakers are arranged linearly and vertically (such as in a straight line or in a curved line) according to a certai...

Claims

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Application Information

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IPC IPC(8): H04R27/00
Inventor 沈勇董桂官杨伟冯梓鑫
Owner NANJING UNIV
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