Multi-network-integration multifunctional digital emergency broadcast machine

Abstract

The invention discloses a multi-network-integration multifunctional digital emergency broadcast machine. The integration includes a single-chip microcomputer, and a signal reception decoding decryption module, a remote wake up processing module, a remote maintenance unit, an automatic priority level processing module, a data detection module, a power amplifier module, a power supply management module, a control instruction and audio signal output module, an LED and LCD control module, an intermediate wave frequency modulation reception module, an FM frequency modulation reception module, a module, a DTMB (Digital Television Terrestrial Multimedia Broadcasting) digital television network signal reception module, an IP network signal reception and data return module, a microphone module, an MP3 module, a satellite signal reception module, a RDS (Radio Data System) wired / wireless frequency modulation reception module, a GPRS / GSM / CDMA network communication and data return module, and the like which are connected with the single-chip microcomputer. The multi-network-integration multifunctional digital emergency broadcast machine carries out control data and audio transmission and broadcasting, is suitable for multiple network environments and transmission modes, ensures the high coverage rate, the stability and the broadcasting safety, and achieves multi-priority-level setting.

Description

technical field [0001] The invention relates to the technical field of broadcasting equipment, in particular to a multi-network-in-one multifunctional digital emergency broadcaster. Background technique [0002] Emergency broadcast refers to when a major natural disaster Emergency broadcasting can provide a fast and efficient information transmission channel in case of sudden public crises such as emergencies, public health and social security, current affairs information dissemination, etc., and the disaster news or the possible harm caused by the disaster can be transmitted to the public at the first time Let the people 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 send information such as entertainment programs, current political news, scientific and technological knowledge, policies and regulations, etc. passed on to the people. [0003] Traditional broadca...

AI Technical Summary

Problems solved by technology

[0003] Traditional broadcasting generally adopts a single network transmission method, which has small coverage, limited transmission distance, poor security, poor scalability, single function, low reliability, inconvenient maintenance, difficult to grasp the operating status of equipment, and difficult construction. Low applicability, difficult to meet the needs of emergency and broadcasting

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