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a broadcasting system

A broadcasting system and broadcasting technology, applied in the broadcasting field, can solve the problem of light sound etc.

Active Publication Date: 2019-06-21
ZHEJIANG JINHUA LINGSHENG ELECTRONICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

But this also brings some problems, that is, listeners who are close to the speaker may find it harsh, but listeners who are far away from the speaker will feel that the sound is too soft

Method used

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Embodiment Construction

[0014] The present invention will be described in further detail below in combination with specific embodiments and accompanying drawings.

[0015] Such as Figures 1 to 3 As shown, a broadcasting system includes a signal input device, a frequency conversion modulator, a transmitter and a broadcasting terminal, the broadcasting terminal includes a speaker, and the speaker is arranged in an area above 5m from the ground, and the speaker includes a sounding body 1, The first cover 21 matched with the sounding body 1 also includes a second cover 22, the second cover 22 is arranged on the outside of the first cover 21, and the first cover 21 is set There is a hole 201 communicating with the second cover body 22 . Both the first cover body 21 and the second cover body 22 are made of materials with good sound insulation performance, and the taper of the second cover body is larger than that of the first cover body.

[0016] A baffle 3 is also included, and the baffle 3 is arranged...

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PUM

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Abstract

The present invention discloses a broadcast system, comprising a signal input device, a variable frequency modulator, an emitter, and a broadcast terminal. The broadcast terminal comprises a loudspeaker. The loudspeaker comprises a sounding body, and a first cover body matched with the sounding body. The loudspeaker further comprises a second cover body. The second cover body is arranged on the outer side of the first cover body. A hole communicating with the second cover body is formed in the first cover body. The conicity of the second cover body is greater than that of the first cover body.

Description

technical field [0001] The present invention relates to the technical field of broadcasting, in particular to a broadcasting system. Background technique [0002] In the rural broadcasting system, the loudspeaker is the main broadcasting terminal, which is used to deliver the audio model to the audience. Especially for loudspeakers installed outdoors, in order to transmit audio signals to as far away as possible listeners, the loudspeakers are generally provided with a conical cover. But this also brings some problems, that is, listeners who are close to the speaker may find it harsh, but listeners who are far away from the speaker will feel that the sound is too light. Contents of the invention [0003] The invention aims at the deficiencies in the prior art, and provides a broadcasting system, which can make listeners within a certain distance hear similar sounds. [0004] In order to solve the above-mentioned technical problems, the present invention is solved by the ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04H40/18H04R1/20
CPCH04H40/18H04R1/20
Inventor 吴志祥徐伟佳高军杰吴晋琪
Owner ZHEJIANG JINHUA LINGSHENG ELECTRONICS CO LTD