CN114205030A - Emergency broadcast adapter for converting FM-CDR (frequency modulation-digital radio frequency identification) into FM-RDS (radio data service) - Google Patents

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

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Publication number
CN114205030A
CN114205030A CN202111568897.4A CN202111568897A CN114205030A CN 114205030 A CN114205030 A CN 114205030A CN 202111568897 A CN202111568897 A CN 202111568897A CN 114205030 A CN114205030 A CN 114205030A
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China
Prior art keywords
module
emergency broadcast
rds
cdr
adapter
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Withdrawn
Application number
CN202111568897.4A
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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 CN202111568897.4A priority Critical patent/CN114205030A/en
Publication of CN114205030A publication Critical patent/CN114205030A/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)

Abstract

The invention relates to an emergency broadcast adapter for converting FM-CDR into FM-RDS, which comprises an FM-CDR receiving module, an analysis module, a main control module, a safety module, a storage module, a DVB-C data packaging module and an output module, wherein the main control module is connected with other modules. The invention relates to an emergency broadcast adapter for converting FM-CDR into FM-RDS, which is connected with an FM-CDR transmission and emission system and a DVB-C transmission network 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.

Description

Emergency broadcast adapter for converting FM-CDR (frequency modulation-digital radio frequency identification) into FM-RDS (radio data service)
Technical Field
The invention belongs to the technical field of emergency broadcasting, and particularly relates to an emergency broadcasting adapter for converting FM-CDR (frequency modulation-CDR) to FM-RDS (radio data service).
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 to an FM-RDS transmission system to enable emergency broadcast messages to be transmitted from an FM-CDR transmission coverage network to an FM-RDS transmission coverage network.
Disclosure of Invention
The invention aims to provide an emergency broadcast adapter for converting FM-CDR into FM-RDS, which can be connected with an FM-CDR transmission and emission system and an FM-RDS transmission and emission system to enable emergency broadcast messages to be transmitted from an FM-CDR transmission coverage network to an FM-RDS transmission coverage network.
The invention solves the technical problems by the following technical scheme.
An emergency broadcast adapter for converting FM-CDR into FM-RDS comprises an FM-CDR receiving module, an analysis module, a main control module, a safety module, a storage module, an FM-RDS data packaging module, an analog-to-digital conversion 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 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, carries out digital certificate signature on the responded emergency broadcast message, transmits an emergency broadcast instruction to the FM-RDS data packaging module, and converts the emergency broadcast content into audio data and transmits the audio data to the analog-to-digital conversion module.
The safety module checks the signature and signs the emergency broadcast message.
And the storage module stores the emergency broadcast message.
The FM-RDS data packaging module packages the emergency broadcast message according to the emergency broadcast message data packet format of FM-RDS, generates FM-RDS transport stream containing the emergency broadcast message and transmits the FM-RDS transport stream to the output module.
The analog-to-digital conversion module converts the audio frequency of the emergency broadcast content to an output module.
The output module carries out RDS modulation on the FM-RDS transmission stream, outputs an RDS modulation signal at one path and outputs analog audio at the other path, and is butted with the FM-RDS transmission and emission 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 transmission coverage network and the emergency broadcast content of the emergency broadcast message transmitted to the FM-RDS 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.
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 the condition that emergency broadcast messages from the FM-CDR transmission coverage network are transmitted to the FM-RDS 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 packaging module and an output module, and is an emergency broadcast adapter for converting FM-CDR into FM-RDS, and is connected with an FM-CDR transmission and transmission system and an FM-RDS transmission and transmission system, so that emergency broadcast messages are transmitted to an FM-RDS transmission and coverage network from an FM-CDR transmission and coverage network and are received by an emergency broadcast terminal and equipment covered by the FM-RDS 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 from an FM-CDR transmission coverage network and emergency broadcast content of the emergency broadcast information transmitted to the FM-RDS 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-CDR transmission coverage network are returned to the emergency broadcast platform through a 4G, 5G, 6G or wired network and are transmitted to the FM-RDS 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 emergency broadcast adapter for converting FM-CDR to FM-RDS includes an FM-CDR receiving module 1, an analysis module 2, a main control module 3, a security module 4, a storage module 5, an FM-RDS data packaging module 6, an analog-to-digital conversion module 7, and an output module 8.
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 packaging module and the output module 8, checks 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, carries out digital certificate signature on the responded emergency broadcast message, transmits an emergency broadcast instruction to the FM-RDS data packaging module 6, and converts the emergency broadcast content into audio data to the analog-to-digital conversion module 7.
And the safety module 4 checks and signs the emergency broadcast message.
The storage module 5 stores emergency broadcast messages.
The FM-RDS data packaging module 6 packages the emergency broadcast message according to the emergency broadcast message data packet format of FM-RDS, generates FM-RDS transport stream containing the emergency broadcast message, and transmits the FM-RDS transport stream to the output module 8.
The analog-to-digital conversion module 7 converts the audio frequency of the emergency broadcast content to analog-to-digital conversion and transmits the converted audio frequency to the output module 8.
The output module 8 carries out RDS modulation on the FM-RDS transmission stream, outputs an RDS modulation signal at one path, outputs analog audio at the other path, and is butted with the FM-RDS transmission and emission system.
Further, the voice-to-text conversion device further comprises a text-to-speech module 9 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 10 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 FM-RDS transmission coverage network into analog audio and video signals or digital audio and video signals to be output.
Further, the emergency broadcast system also comprises a return module 11 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 FM-RDS 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 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-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 packaging module and an output module 8, and is an emergency broadcast adapter for converting FM-CDR into FM-RDS, and is connected with an FM-CDR transmission and emission system and an FM-RDS transmission and emission system, so that emergency broadcast messages are transmitted to an FM-RDS transmission and coverage network from an FM-CDR transmission and coverage network and are received by an emergency broadcast terminal and equipment covered by the FM-RDS transmission and 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 from an FM-CDR transmission coverage network and emergency broadcast content of the emergency broadcast information transmitted to the FM-RDS 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 11, and emergency broadcast messages from the FM-CDR transmission coverage network are returned to an emergency broadcast platform through a 4G, 5G, 6G or wired network and are transmitted to the FM-RDS 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-CDR into FM-RDS is characterized by comprising an FM-CDR receiving module, an analysis module, a main control module, a safety module, a storage module, an FM-RDS data packaging module, an analog-to-digital conversion 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 labels with digital certificates to obtain emergency broadcast messages sent to the adapter, responds to the emergency broadcast messages, carries out digital certificate signing on the responded emergency broadcast messages, transmits emergency broadcast instructions to the FM-RDS data packaging module, and converts the emergency broadcast contents into audio data and transmits the audio data to the analog-to-digital conversion module;
the safety module checks the signature and signs the emergency broadcast message;
the storage module stores emergency broadcast messages;
the FM-RDS data packaging module packages emergency broadcast messages according to the emergency broadcast message data packet format of FM-RDS, generates FM-RDS transport streams containing the emergency broadcast messages and transmits the FM-RDS transport streams to the output module;
the analog-to-digital conversion module is used for converting the audio frequency of the emergency broadcast content to an analog-to-digital mode and transmitting the converted audio frequency to the output module;
the output module carries out RDS modulation on the FM-RDS transmission stream, outputs an RDS modulation signal at one path and outputs analog audio at the other path, and is butted with the FM-RDS transmission and emission 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 audio conversion.
3. 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-CDR transmission overlay network and the emergency broadcast content of the emergency broadcast message transmitted to the FM-RDS transmission overlay network into analog audio/video signals or digital audio/video signals for output.
4. The adapter of claim 1, further comprising a feedback module, connected to the main control module, for transmitting the working status back to the emergency broadcast platform through the 4G, 5G, 6G, or cable network, wherein the working status includes the transmission of the emergency broadcast message from the FM-CDR transmission overlay network to the FM-RDS transmission overlay network through 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 of claim 1, wherein the core of the security module is a chip of a huada electronic CIU98 or a chip of a cun mi T630.
7. The emergency broadcast adapter of claim 2, wherein the core of the text-to-speech module is a SYNs 6658 chip under the heaven of astronomy or a CSK4002 chip in scientific news.
CN202111568897.4A 2021-12-21 2021-12-21 Emergency broadcast adapter for converting FM-CDR (frequency modulation-digital radio frequency identification) into FM-RDS (radio data service) Withdrawn CN114205030A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111568897.4A CN114205030A (en) 2021-12-21 2021-12-21 Emergency broadcast adapter for converting FM-CDR (frequency modulation-digital radio frequency identification) into FM-RDS (radio data service)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111568897.4A CN114205030A (en) 2021-12-21 2021-12-21 Emergency broadcast adapter for converting FM-CDR (frequency modulation-digital radio frequency identification) into FM-RDS (radio data service)

Publications (1)

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CN114205030A true CN114205030A (en) 2022-03-18

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CN202111568897.4A Withdrawn CN114205030A (en) 2021-12-21 2021-12-21 Emergency broadcast adapter for converting FM-CDR (frequency modulation-digital radio frequency identification) into FM-RDS (radio data service)

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