Motor car broadcast simulation system

An analog system and broadcasting technology, applied in the field of broadcasting systems, can solve the problems of passengers being difficult to hear broadcasting content and poor sound quality, and achieve the effects of stable signal transmission, improved sound quality, and strong anti-interference performance

Inactive Publication Date: 2016-08-10
CHENGDU ZERO LINE TECH CO LTD
View PDF6 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In the railway station, when the train starts to enter the station or the train is delayed, the lost and found, etc., the station management personnel need to notify the passengers through the broadcasting

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Motor car broadcast simulation system

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0014] The technical solutions of the present invention will be described in further detail below with reference to the accompanying drawings, but the protection scope of the present invention is not limited to the following.

[0015] Such as figure 1 As shown, an electric train broadcasting simulation system includes a voice collection device set in a back-end monitoring center, and a plurality of voice broadcast devices set in a simulated train waiting room. The voice collection device is connected to the voice broadcast device through wired communication. The voice collection device is used to collect the notification information broadcast by the staff in the back-end monitoring center, and then transmit the notification information to the voice broadcast device for playback, and notify the personnel in the waiting room.

[0016] The voice broadcast device includes a controller, an audio filter unit, an audio power amplifier unit, and a first communication unit. The controller i...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

No PUM Login to view more

Abstract

The invention discloses an EMU broadcasting simulation system, which comprises a voice collection device arranged in a back-end monitoring center, a plurality of voice broadcast devices arranged in a simulated train waiting room, and the voice collection device is connected with the voice broadcast device through wired communication; the said The voice collection device includes an omnidirectional microphone, a directional microphone, an inverting circuit, a first amplifying circuit, an in-phase synthesizing ratio circuit, a second amplifying circuit and a second communication unit, and the output of the omnidirectional microphone is combined with an in-phase synthesizing circuit through an inverting circuit. The input of the proportional circuit is connected, the output of the directional microphone is connected with the input of the in-phase synthesis proportional circuit through the first amplifying circuit, the output of the in-phase synthesizing proportional circuit is connected with the second infinite communication unit through the second amplifying circuit, and the second communication unit is connected with the voice Broadcast device communication connection. The voice broadcasting device in the present invention is provided with an audio filtering unit, which can effectively filter out noise signals in the audio and improve the sound quality of the broadcasting audio.

Description

Technical field [0001] The present invention relates to the technical field of broadcasting systems, in particular to a train broadcasting simulation system. Background technique [0002] In the railway station, when the train starts to enter the station or the train is delayed or lost and found, the station management personnel need to notify the passengers through the broadcasting system. However, the sound quality of the existing station broadcasting system is poor, which leads to In a noisy environment, it is difficult for passengers to hear the broadcast content clearly. Summary of the invention [0003] The purpose of the present invention is to overcome the shortcomings of the prior art and provide a train broadcasting simulation system. The voice broadcasting equipment in the system is equipped with an audio filter unit, which can effectively filter out the noise signal in the audio and improve the sound quality of the broadcast audio. . [0004] The purpose of the present...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
IPC IPC(8): G10L21/0208H04B3/54H04B10/25H04H20/61H04H20/76
CPCG10L21/0208G10L2021/02165H04B3/54H04B10/25H04H20/61H04H20/76
Inventor 邹天富李川伟刘博朱愚
Owner CHENGDU ZERO LINE TECH CO LTD
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap