CN114205034A - Emergency broadcast adapter for converting FM-CDR into DVB-C - Google Patents

Emergency broadcast adapter for converting FM-CDR into DVB-C Download PDF

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Publication number
CN114205034A
CN114205034A CN202111569001.4A CN202111569001A CN114205034A CN 114205034 A CN114205034 A CN 114205034A CN 202111569001 A CN202111569001 A CN 202111569001A CN 114205034 A CN114205034 A CN 114205034A
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China
Prior art keywords
module
emergency broadcast
dvb
cdr
adapter
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Withdrawn
Application number
CN202111569001.4A
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Chinese (zh)
Inventor
王大伟
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Lu'an Lutuo Information Technology Co ltd
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Lu'an Lutuo Information Technology Co ltd
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Priority to CN202111569001.4A priority Critical patent/CN114205034A/en
Publication of CN114205034A publication Critical patent/CN114205034A/en
Withdrawn legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
    • H04H20/53—Arrangements specially adapted for specific applications, e.g. for traffic information or for mobile receivers
    • H04H20/59—Arrangements specially adapted for specific applications, e.g. for traffic information or for mobile receivers for emergency or urgency
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
    • H04L63/0823—Network architectures or network communication protocols for network security for authentication of entities using certificates
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
    • H04N21/81—Monomedia components thereof
    • H04N21/8126—Monomedia components thereof involving additional data, e.g. news, sports, stocks, weather forecasts
    • H04N21/814—Monomedia components thereof involving additional data, e.g. news, sports, stocks, weather forecasts comprising emergency warnings
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/90—Services for handling of emergency or hazardous situations, e.g. earthquake and tsunami warning systems [ETWS]

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computer Hardware Design (AREA)
  • Computer Security & Cryptography (AREA)
  • Computing Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Health & Medical Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Public Health (AREA)
  • Circuits Of Receivers In General (AREA)

Abstract

The invention relates to an emergency broadcast adapter for converting FM-CDR into DVB-C, which comprises an FM-CDR receiving module, an analysis module, a main control module, a safety module, a storage module, a DVB-C data encapsulation module and an output module, wherein the main control module is connected with other modules. The invention realizes the emergency broadcast adapter for converting FM-CDR into DVB-C, connects the FM-CDR transmission transmitting system and the DVB-C transmission network system, and enables the emergency broadcast message to be transmitted from the FM-CDR transmission coverage network to the DVB-C transmission coverage network and received by the emergency broadcast terminal and equipment covered by the DVB-C transmission coverage network.

Description

Emergency broadcast adapter for converting FM-CDR into DVB-C
Technical Field
The invention belongs to the technical field of emergency broadcasting, and particularly relates to an emergency broadcasting adapter for converting FM-CDR into DVB-C.
Background
The emergency broadcast system consists of an emergency broadcast platform, an adapter, a transmission coverage system and an emergency broadcast terminal, wherein the emergency broadcast platform transmits emergency broadcast messages to the emergency broadcast terminal for playing through the adapter and the transmission coverage system. The emergency broadcast message includes an emergency broadcast instruction and emergency broadcast content. Emergency broadcast content is message incidental content (text, audio-video) or parameters specifying a broadcast television program.
When a sudden disaster is faced, the government can timely convey politics, release authority information, guide social public opinion and actively assist in disaster relief by using the emergency broadcasting system. The emergency broadcast can reach the emergency broadcast terminal singly or in a relay mode through a plurality of transmission coverage networks. The current broadcast television transmission coverage modes include analog Frequency Modulation (FM), analog frequency modulation with subcarrier (FM-RDS), digital frequency modulation (FM-CDR), digital cable television (DVB-C), digital terrestrial radio television (DTMB), digital satellite television (DVB-S), digital medium wave, and wired or wireless network (IP). In particular, FM-CDRs are typically co-frequency transmitted with analog FM.
The emergency broadcast adapter is core equipment of a transmission link of an emergency broadcast system. There is a need for an emergency broadcast adapter that can connect an FM-CDR transmission system with a DVB-C transmission overlay system to enable emergency broadcast messages to be transmitted from the FM-CDR transmission overlay network to the DVB-C transmission overlay network.
Disclosure of Invention
The technical problem to be solved by the invention is to provide an FM-CDR-DVB-C conversion emergency broadcast adapter which can be connected with an FM-CDR transmission and transmission system and a DVB-C transmission and coverage system to enable emergency broadcast messages to be transmitted from an FM-CDR transmission and coverage network to a DVB-C transmission and coverage network.
The invention solves the technical problems by the following technical scheme.
An emergency broadcast adapter for converting FM-CDR into DVB-C comprises an FM-CDR receiving module, an analysis module, a main control module, a safety module, a storage module, a DVB-C data encapsulation module and an output module.
The FM-CDR receiving module receives and demodulates the FM-CDR signal and outputs an FM-CDR transmission stream.
And the analysis module is used for analyzing the emergency broadcast message from the FM-CDR transmission stream.
The main control module is connected with and controls the FM-CDR receiving module, the analyzing module, the safety module, the storage module, the DVB-C data packaging module and the output module, checks the signature of the emergency broadcast message matching address and the digital certificate to obtain the emergency broadcast message sent to the adapter, responds to the emergency broadcast message and signs the digital certificate of the responded emergency broadcast message.
The safety module checks the signature and signs the emergency broadcast message.
And the storage module stores the emergency broadcast message.
And the DVB-C data encapsulation module encapsulates the emergency broadcast message according to the emergency broadcast message data packet format of the DVB-C and generates a DVB-C transmission stream containing the emergency broadcast message.
And the output module outputs the DVB-C transmission stream and is in butt joint with the DVB-C front-end system.
Further, the voice conversion device also comprises a text-to-speech module which is connected with the main control module and used for converting text into speech and audio.
And the monitoring module is connected with the main control module and converts the emergency broadcast content of the emergency broadcast message transmitted from the FM-CDR coverage network and the emergency broadcast content of the emergency broadcast message transmitted to the DVB-C coverage network into analog audio and video signals or digital audio and video signals and then outputs the analog audio and video signals or the digital audio and video signals.
The emergency broadcast system further comprises a return module which is connected with the main control module and returns a working state to the emergency broadcast platform through a 4G, 5G, 6G or wired network, wherein the working state comprises the condition that the emergency broadcast message from the FM-CDR transmission coverage network is transmitted to the DVB-C transmission coverage network through the adapter.
Further, the core of the FM-CDR receiving module is a hel Hi5216 chip.
Further, the core of the security module is a Huada electronic CIU98 chip or a square inch micro T630 chip.
Furthermore, the core of the text-to-speech module is a SYNs 6658 chip under the heaven of astronomy or a CSK4002 chip of science news.
Compared with the prior art, the invention has the beneficial effects that:
1. the adapter comprises an FM-CDR receiving module, an analysis module, a main control module, a safety module, a storage module, a DVB-C data encapsulation module and an output module, and is an emergency broadcast adapter for realizing the conversion from FM-CDR to DVB-C, and is connected with an FM-CDR transmission and emission system and a DVB-C transmission coverage system, so that emergency broadcast messages are transmitted from an FM-CDR transmission coverage network to a DVB-C transmission coverage network and are received by an emergency broadcast terminal and equipment covered by the DVB-C transmission coverage network.
2. The adapter comprises a monitoring module which can be connected with analog audio and video equipment or digital audio and video equipment, converts emergency broadcast messages from an FM-CDR transmission coverage network and emergency broadcast contents of the emergency broadcast messages transmitted to a DVB-C transmission coverage network into analog audio and video signals or digital audio and video signals and then outputs the analog audio and video signals or the digital audio and video signals, and monitors the received and transmitted emergency broadcast contents.
3. The adapter comprises a return module, and emergency broadcast messages from the FM-CDR transmission coverage network are returned to the emergency broadcast platform through a 4G, 5G, 6G or wired network and are transmitted to the DVB-C transmission coverage network through the adapter.
Drawings
Fig. 1 is a system configuration diagram of an embodiment of the present invention.
Detailed Description
In order to make the technical means, inventive features, and technical problems solved by the present invention easily understandable, embodiments are further described below with reference to the specific drawings.
As shown in fig. 1, an adapter for converting FM-CDR to DVB-C for emergency broadcasting includes an FM-CDR receiving module 1, an analysis module 2, a main control module 3, a security module 4, a storage module 5, a DVB-C data encapsulation module 6, and an output module 7.
The FM-CDR receiving module 1 receives and demodulates the FM-CDR signal and outputs an FM-CDR transport stream.
The analysis module 2 analyzes the emergency broadcast message from the FM-CDR transmission stream.
The main control module 3 is connected with and controls the FM-CDR receiving module 1, the analysis module 2, the safety module 4, the storage module 5, the DVB-C data encapsulation module 6 and the output module 7, matches addresses with the emergency broadcast messages and checks the signs of the digital certificates, obtains the emergency broadcast messages sent to the adapter, responds to the emergency broadcast messages, and carries out digital certificate signing on the responded emergency broadcast messages.
And the safety module 4 checks and signs the emergency broadcast message.
The storage module 5 stores emergency broadcast messages.
And the DVB-C data encapsulation module 6 encapsulates the emergency broadcast message according to the emergency broadcast message data packet format of the DVB-C and generates a DVB-C transport stream containing the emergency broadcast message.
And the output module 7 outputs the DVB-C transmission stream and is in butt joint with a DVB-C front-end system.
Further, the voice conversion device also comprises a text-to-speech module 8 which is connected with the main control module 3 and used for converting text into voice and audio.
Further, the system also comprises a monitoring module 9 which is connected with the main control module 3 and converts the emergency broadcast information of the FM-CDR transmission coverage network and the emergency broadcast content of the emergency broadcast information transmitted to the DVB-C transmission coverage network into analog audio and video signals or digital audio and video signals and then outputs the analog audio and video signals or the digital audio and video signals.
Further, the device also comprises a return module 10 which is connected with the main control module 3 and returns a working state to the emergency broadcast platform through a 4G, 5G, 6G or wired network, wherein the working state comprises the condition that the emergency broadcast message from the FM-CDR transmission coverage network is transmitted to the DVB-C transmission coverage network through the adapter.
Further, the core of the FM-CDR receiving module 1 is a hel Hi5216 chip.
Further, the core of the security module 4 is a huada electronic CIU98 chip or a square inch micro T630 chip.
Further, the core of the text-to-speech module 8 is a SYNs 6658 chip under the heaven of astronomy or a CSK4002 chip of science news.
The beneficial effects are that:
1. the adapter comprises an FM-CDR receiving module 1, an analysis module 2, a main control module 3, a safety module 4, a storage module 5, a DVB-C data encapsulation module 6 and an output module 7, and is used for realizing connection of an FM-CDR transmission and transmission system and a DVB-C transmission coverage system, so that emergency broadcast messages are transmitted from an FM-CDR transmission coverage network to the DVB-C transmission coverage network and are received by an emergency broadcast terminal and equipment covered by the DVB-C transmission coverage network.
2. The adapter comprises a monitoring module 9 which can be connected with analog audio and video equipment or digital audio and video equipment, converts emergency broadcast information from an FM-CDR transmission coverage network and emergency broadcast content of the emergency broadcast information transmitted to a DVB-C transmission coverage network into analog audio and video signals or digital audio and video signals and then outputs the analog audio and video signals or the digital audio and video signals, and monitors the received and transmitted emergency broadcast content.
3. The adapter comprises a return module 10, and emergency broadcast messages from an FM-CDR transmission coverage network are returned to an emergency broadcast platform through a 4G, 5G, 6G or wired network and are transmitted to a DVB-C transmission coverage network through the adapter.
The present invention has been described in terms of embodiments, and it will be appreciated that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the scope and spirit of the principles of this disclosure. More specifically, various variations and modifications are possible in the component parts and/or arrangements of the subject combination arrangement within the scope of the disclosure, the drawings and the appended claims. In addition to variations and modifications in the component parts and/or arrangements, other uses will also be apparent to those skilled in the art.
All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.
Any feature disclosed in this specification (including any accompanying claims, abstract and drawings), may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.

Claims (7)

1. An FM-CDR-DVB-C (digital video broadcasting-satellite communication) emergency broadcast adapter is characterized by comprising an FM-CDR receiving module, an analysis module, a main control module, a safety module, a storage module, a DVB-C data encapsulation module and an output module;
the FM-CDR receiving module receives and demodulates the FM-CDR signal and outputs an FM-CDR transmission stream;
the analysis module analyzes the emergency broadcast message from the FM-CDR transmission stream;
the main control module is connected with and controls the FM-CDR receiving module, the analyzing module, the safety module, the storage module, the DVB-C data packaging module and the output module, matches addresses with the emergency broadcast messages and checks and signs the digital certificates to obtain emergency broadcast messages sent to the adapter, responds to the emergency broadcast messages and signs the digital certificates of the responded emergency broadcast messages;
the safety module checks the signature and signs the emergency broadcast message;
the storage module stores emergency broadcast messages;
the DVB-C data encapsulation module encapsulates the emergency broadcast message according to the emergency broadcast message data packet format of the DVB-C and generates a DVB-C transmission stream containing the emergency broadcast message;
and the output module outputs the DVB-C transmission stream and is in butt joint with the DVB-C front-end system.
2. The adapter of claim 1, further comprising a text-to-speech module connected to the main control module for performing text-to-speech and audio conversion.
3. The adapter of claim 1, further comprising a monitoring module connected to the main control module, wherein the monitoring module converts the emergency broadcast message from the FM-CDR transmission overlay network and the emergency broadcast content of the emergency broadcast message transmitted to the DVB-C transmission overlay network into analog audio/video signals or digital audio/video signals, and outputs the analog audio/video signals.
4. The adapter of claim 1, further comprising a return module, connected to the host module, for returning the working status to the emergency broadcasting platform via a 4G, 5G, 6G, or wired network, wherein the working status includes the situation that the emergency broadcast message from the FM-CDR overlay network is transmitted to the DVB-C overlay network via the adapter.
5. The adapter of claim 1, wherein the core of the FM-CDR receiving module is a hail Hi5216 chip.
6. The adapter for emergency broadcasting of FM-CDR-DVB-C according to claim 1, wherein the core of said security module is a Huada electronic CIU98 chip or a cun micro T630 chip.
7. The FM-CDR-to-DVB-C emergency broadcast adapter of claim 2, wherein the core of said text-to-speech module is the SYN6658 chip under the astronomy or the CSK4002 chip in the science society of science and technology.
CN202111569001.4A 2021-12-21 2021-12-21 Emergency broadcast adapter for converting FM-CDR into DVB-C Withdrawn CN114205034A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111569001.4A CN114205034A (en) 2021-12-21 2021-12-21 Emergency broadcast adapter for converting FM-CDR into DVB-C

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111569001.4A CN114205034A (en) 2021-12-21 2021-12-21 Emergency broadcast adapter for converting FM-CDR into DVB-C

Publications (1)

Publication Number Publication Date
CN114205034A true CN114205034A (en) 2022-03-18

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CN202111569001.4A Withdrawn CN114205034A (en) 2021-12-21 2021-12-21 Emergency broadcast adapter for converting FM-CDR into DVB-C

Country Status (1)

Country Link
CN (1) CN114205034A (en)

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Application publication date: 20220318