CN114205021A - Emergency broadcast adapter for converting FM-RDS (frequency modulation-digital data System) into FM-CDR (frequency modulation-CDR) - Google Patents

Emergency broadcast adapter for converting FM-RDS (frequency modulation-digital data System) into FM-CDR (frequency modulation-CDR) Download PDF

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Publication number
CN114205021A
CN114205021A CN202111567699.6A CN202111567699A CN114205021A CN 114205021 A CN114205021 A CN 114205021A CN 202111567699 A CN202111567699 A CN 202111567699A CN 114205021 A CN114205021 A CN 114205021A
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China
Prior art keywords
module
emergency broadcast
cdr
rds
adapter
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Withdrawn
Application number
CN202111567699.6A
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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 CN202111567699.6A priority Critical patent/CN114205021A/en
Publication of CN114205021A publication Critical patent/CN114205021A/en
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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)
  • Emergency Management (AREA)
  • Business, Economics & Management (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computing Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Hardware Design (AREA)
  • Health & Medical Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Public Health (AREA)
  • Multimedia (AREA)
  • Circuits Of Receivers In General (AREA)
  • Transmitters (AREA)

Abstract

The invention relates to an emergency broadcast adapter for converting FM-RDS (frequency modulation-digital data radio) to FM-CDR (frequency modulation-digital CDR), which comprises an FM-RDS receiving module, an analysis module, an audio acquisition module, a main control module, a safety module, a storage module, an FM-CDR packaging 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-RDS into FM-CDR, which is connected with an FM-RDS transmission and emission system and an FM-CDR transmission and emission system, so that the emergency broadcast message is transmitted from an FM-RDS transmission coverage network to an FM-CDR transmission coverage network and is received by an emergency broadcast terminal and equipment covered by the FM-CDR transmission coverage network.

Description

Emergency broadcast adapter for converting FM-RDS (frequency modulation-digital data System) into FM-CDR (frequency modulation-CDR)
Technical Field
The invention belongs to the technical field of emergency broadcasting, and particularly relates to an emergency broadcasting adapter for converting FM-RDS (frequency modulation-digital data radio) into FM-CDR (frequency modulation-CDR).
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-RDS transmission overlay system to an FM-CDR transmission transmitter system to enable emergency broadcast messages to be transmitted from the FM-RDS transmission overlay network to the FM-CDR transmission overlay network.
Disclosure of Invention
The invention aims to provide an emergency broadcast adapter for converting FM-RDS into FM-CDR, which can be connected with an FM-RDS transmission and emission system and an FM-CDR transmission and emission system to enable emergency broadcast messages to be transmitted from an FM-RDS transmission coverage network to an FM-CDR transmission coverage network.
The invention solves the technical problems by the following technical scheme.
An emergency broadcast adapter for converting FM-RDS into FM-CDR comprises an FM-RDS receiving module, an analysis module, an audio acquisition module, a main control module, a safety module, a storage module, an FM-CDR packaging module and an output module.
The FM-RDS receiving module receives and demodulates FM-RDS signals and outputs FM-RDS data and FM analog audio, the FM-RDS data is transmitted to the analysis module, and the FM analog audio is transmitted to the audio acquisition module.
The analysis module analyzes the emergency broadcast instruction from the FM-RDS data and transmits the emergency broadcast instruction to the main control module.
The audio acquisition module digitizes FM analog audio under the control of the main control module, and transmits the FM analog audio as emergency broadcast content to the main control module.
The main control module is connected with and controls the FM-RDS receiving module, the analysis module, the audio acquisition module, the safety module, the storage module, the FM-CDR packaging module and the output module, matches addresses and digital certificate labels with emergency broadcast messages, combines emergency broadcast instructions and emergency broadcast contents to obtain emergency broadcast messages sent to the adapter, responds to the emergency broadcast messages, and carries out digital certificate signature on the responded emergency broadcast messages.
The safety module checks the signature and signs the emergency broadcast message.
And the storage module stores the emergency broadcast message.
And the FM-CDR encapsulation module encapsulates the emergency broadcast message according to the emergency broadcast message data packet format of the FM-CDR and generates an FM-CDR transmission stream.
And the output module outputs the FM-CDR transmission stream and is in butt joint with the FM-CDR transmitter system.
Further, the FM-CDR transmission stream comprises an emergency broadcast index table and an emergency broadcast content table.
And the text-to-speech module is connected with the main control module or the output module and is 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-RDS transmission coverage network and the emergency broadcast content of the emergency broadcast message transmitted to the FM-CDR transmission coverage network into an analog audio/video signal or a digital audio/video signal and then outputs the analog audio/video signal or the digital audio/video signal.
The emergency broadcast system further comprises a return module which is connected with the main control module and returns working states to the emergency broadcast platform through a 4G, 5G, 6G or wired network, wherein the working states comprise transmission conditions of emergency broadcast messages from the FM-RDS transmission coverage network to the FM-CDR transmission coverage network through the adapter.
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-RDS receiving module, an analysis module, an audio acquisition module, a main control module, a safety module, a storage module, an FM-CDR packaging module and an output module, and is used for connecting an FM-RDS transmission and emission system and an FM-CDR transmission and emission system, so that emergency broadcast messages are transmitted to an FM-CDR transmission and coverage network from the FM-RDS transmission and coverage network and are received by an emergency broadcast terminal and equipment covered by the FM-CDR transmission and 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 information transmitted from an FM-RDS transmission coverage network and emergency broadcast content of the emergency broadcast information transmitted to the FM-CDR 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, and emergency broadcast messages from the FM-RDS transmission coverage network are returned to the emergency broadcast platform through a 4G, 5G, 6G or wired network, and are transmitted to the FM-CDR transmission coverage network through the adapter.
Drawings
Fig. 1 is a system configuration diagram of an embodiment of the present invention.
Detailed Description
The following detailed description of embodiments of the invention refers to the accompanying drawings and examples.
An embodiment of the present invention is shown in fig. 1. An emergency broadcast adapter for converting FM-RDS (frequency modulation-digital data service) into FM-CDR (frequency modulation-digital data record) comprises an FM-RDS receiving module 1, an analysis module 2, an audio acquisition module 3, a main control module 4, a safety module 5, a storage module 6, an FM-CDR packaging module 7 and an output module 8.
The FM-RDS receiving module 1 receives and demodulates FM-RDS signals and outputs FM-RDS data and FM analog audio, the FM-RDS data is transmitted to the analysis module 2, and the FM analog audio is transmitted to the audio acquisition module 3.
The analysis module 2 analyzes the emergency broadcast instruction from the FM-RDS data and transmits the emergency broadcast instruction to the main control module 4.
The audio acquisition module 3 digitizes FM analog audio under the control of the main control module 4, and transmits the FM analog audio as emergency broadcast content to the main control module 4.
The main control module 4 is connected with and controls the FM-RDS receiving module 1, the analysis module 2, the audio acquisition module 3, the safety module 5, the storage module 6, the FM-CDR packaging module 7 and the output module 8, checks the emergency broadcast message matching address and the digital certificate, combines the emergency broadcast command and the emergency broadcast content to obtain the emergency broadcast message sent to the adapter, responds to the emergency broadcast message, and carries out digital certificate signature on the responded emergency broadcast message.
And the safety module 5 checks and signs the emergency broadcast message.
And the storage module 6 stores the emergency broadcast message.
And the FM-CDR encapsulation module 7 encapsulates the emergency broadcast message according to the emergency broadcast message data packet format of the FM-CDR and generates an FM-CDR transmission stream.
And the output module 8 outputs the FM-CDR transmission stream and is in butt joint with the FM-CDR transmitter system.
Further, the FM-CDR transmission stream comprises an emergency broadcast index table and an emergency broadcast content table.
Further, the voice-to-text conversion device further comprises a text-to-speech module 9 which is connected with the main control module 4 or the output module 8 and used for converting text into voice and audio.
Further, the system also comprises a monitoring module 10 which is connected with the main control module 4 and converts the emergency broadcast information of the FM-RDS transmission coverage network and the emergency broadcast content of the emergency broadcast information transmitted to the FM-CDR 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 system also comprises a return module 11 which is connected with the main control module 4 and returns a working state to the emergency broadcast platform through a 4G, 5G, 6G or wired network, wherein the working state comprises the transmission condition of the emergency broadcast message from the FM-RDS transmission coverage network to the FM-CDR transmission coverage network through the adapter.
Further, the core of the security module 5 is a huada electronic CIU98 chip or a square inch micro T630 chip.
Further, the core of the text-to-speech module 9 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-RDS receiving module 1, an analysis module 2, an audio acquisition module 3, a main control module 4, a safety module 5, a storage module 6, an FM-CDR packaging module 7 and an output module 8, and is used for connecting an FM-RDS transmission and transmission system and an FM-CDR transmission and transmission system, so that emergency broadcast messages are transmitted to an FM-CDR transmission coverage network from an FM-RDS transmission coverage network and are received by an emergency broadcast terminal and equipment covered by the FM-CDR transmission coverage network.
2. The adapter comprises a monitoring module 10 which can be connected with analog audio and video equipment or digital audio and video equipment, converts emergency broadcast information transmitted from an FM-RDS transmission coverage network and emergency broadcast content transmitted to the FM-CDR 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 emergency broadcast content.
3. The adapter comprises a return module 11, and emergency broadcast messages from the FM-RDS transmission coverage network are returned to an emergency broadcast platform through a 4G, 5G, 6G or wired network, and are transmitted to the FM-CDR 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 emergency broadcast adapter for converting FM-RDS (frequency modulation-digital data radio) into FM-CDR (frequency modulation-CDR), which is characterized by comprising an FM-RDS receiving module, an analysis module, an audio acquisition module, a main control module, a safety module, a storage module, an FM-CDR packaging module and an output module;
the FM-RDS receiving module receives and demodulates the FM-RDS signal and outputs FM-RDS data and FM analog audio, the FM-RDS data is transmitted to the analysis module, and the FM analog audio is transmitted to the audio acquisition module;
the analysis module analyzes an emergency broadcast instruction from the FM-RDS data and transmits the emergency broadcast instruction to the main control module;
the audio acquisition module digitizes FM analog audio under the control of the main control module, and transmits the FM analog audio as emergency broadcast content to the main control module;
the main control module is connected with and controls the FM-RDS receiving module, the analysis module, the audio acquisition module, the safety module, the storage module, the FM-CDR packaging module and the output module, matches addresses and digital certificate labels with emergency broadcast messages, combines emergency broadcast instructions and emergency broadcast contents to obtain emergency broadcast messages sent to the adapter, responds to the emergency broadcast messages, and carries out digital certificate signature on 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 FM-CDR encapsulation module encapsulates the emergency broadcast message according to the emergency broadcast message data packet format of the FM-CDR and generates an FM-CDR transmission stream;
and the output module outputs the FM-CDR transmission stream and is in butt joint with the FM-CDR transmitter system.
2. The FM-RDS to FM-CDR emergency broadcast adapter of claim 1, wherein said FM-CDR transport stream includes an emergency broadcast index table and an emergency broadcast content table.
3. The adapter of claim 1, further comprising a text-to-speech module connected to the main control module or the output module for converting text to speech and audio.
4. The adapter of claim 1, further comprising a monitor module connected to the main control module for converting the emergency broadcast message from the FM-RDS transmission coverage network and the emergency broadcast content of the emergency broadcast message transmitted to the FM-CDR transmission coverage network into analog audio/video signals or digital audio/video signals for output.
5. The adapter of claim 1, further comprising a return module, connected to the host module, for returning the operation status to the emergency broadcast platform via a 4G, 5G, 6G, or cable network, wherein the operation status includes the transmission of the emergency broadcast message from the FM-RDS transmission overlay network to the FM-CDR transmission overlay network via the adapter.
6. The FM-RDS to FM-CDR emergency broadcast adapter of claim 1, wherein the core of said security module is a Huada electronics CIU98 chip or a Square inch Mini T630 chip.
7. The FM-RDS-to-FM-CDR emergency broadcast adapter of claim 3, wherein the core of the text-to-speech module is a Yuyin Tianxia SYN6658 chip or a science-university communication fly CSK4002 chip.
CN202111567699.6A 2021-12-21 2021-12-21 Emergency broadcast adapter for converting FM-RDS (frequency modulation-digital data System) into FM-CDR (frequency modulation-CDR) Withdrawn CN114205021A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111567699.6A CN114205021A (en) 2021-12-21 2021-12-21 Emergency broadcast adapter for converting FM-RDS (frequency modulation-digital data System) into FM-CDR (frequency modulation-CDR)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111567699.6A CN114205021A (en) 2021-12-21 2021-12-21 Emergency broadcast adapter for converting FM-RDS (frequency modulation-digital data System) into FM-CDR (frequency modulation-CDR)

Publications (1)

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CN114205021A true CN114205021A (en) 2022-03-18

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CN202111567699.6A Withdrawn CN114205021A (en) 2021-12-21 2021-12-21 Emergency broadcast adapter for converting FM-RDS (frequency modulation-digital data System) into FM-CDR (frequency modulation-CDR)

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