Digital emergency broadcasting system

Abstract

The invention discloses a digital emergency broadcasting system. According to the digital emergency broadcasting system of the invention, an IP network, a GPRS network, an RDS frequency modulation network, a DTMB digital television network, a satellite transmission network and an intermediate and short-wave wireless frequency modulation network are integrated into one network; data transmission, control and management are carried out on a six network-in-one receiving intelligent controller, an RDS intelligent receiving terminal, a GPRS intelligent receiving terminal, an IP intelligent receiving terminal, an IP intercom terminal, a DTMB intelligent receiving terminal, a satellite receiving terminal, an intermediate and short-wave intelligent receiving terminal, an LED display screen, an LCD, a video monitoring system and a video conferencing system through the Internet; data connection with a satellite operations service center is carried out through the Internet; call and short message remote broadcasting is carried out through a mobile phone or a fixed-line telephone; control centers at all levels operate the terminals through the Internet and an operating PC; control instructions and audio information sources which are issued by the control centers are broadcasted through the terminals; and control instructions, texts, pictures or videos issued by the control centers are displayed through the LED display screen or the LCD.

Description

technical field [0001] The invention relates to the technical field of broadcast control management systems, in particular to a digital emergency broadcast system. Background technique [0002] Emergency broadcast refers to when a major natural disaster Emergency broadcasting can provide a fast and efficient information transmission channel through various networks in case of sudden public crises such as emergencies, public health and social security, and current affairs information dissemination Or the possible harm caused by disasters can be transmitted to the public, so that the public can know what happened at the first time, how to evacuate, avoid danger, and minimize the loss of life and property; usually the government can use this machine to broadcast entertainment programs, current affairs, etc. Important news, scientific and technological knowledge, policies and regulations and other information are passed on to the people. [0003] Traditional broadcasting gener...

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a digital emergency broadcasting system, through the transmission and management of multi-network integration to solve the popularization of emergency broadcasting system in my country due to factors such as vast territory, unique terrain, difficult signal coverage, unstable network, and many departments. Low cost, simple construction, stable performance and convenient maintenance

Images