CN114221728A - Emergency broadcast adapter for converting FM-CDR into DTMB - Google Patents
Emergency broadcast adapter for converting FM-CDR into DTMB Download PDFInfo
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- CN114221728A CN114221728A CN202111551379.1A CN202111551379A CN114221728A CN 114221728 A CN114221728 A CN 114221728A CN 202111551379 A CN202111551379 A CN 202111551379A CN 114221728 A CN114221728 A CN 114221728A
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- module
- emergency broadcast
- dtmb
- cdr
- adapter
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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
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- 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
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- 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
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- 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)
- Multimedia (AREA)
- Computer Security & Cryptography (AREA)
- Computing Systems (AREA)
- General Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Health & Medical Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Public Health (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The invention relates to an FM-CDR-to-DTMB emergency broadcast adapter which comprises an FM-CDR receiving module, an analysis module, a main control module, a safety module, a storage module, a DTMB data packaging module and an output module, wherein the main control module is connected with other modules. The invention realizes the FM-CDR-DTMB conversion emergency broadcast adapter, connects the FM-CDR transmission transmitting system and the DTMB transmission network system, so that the emergency broadcast message is transmitted from the FM-CDR transmission coverage network to the DTMB transmission coverage network and is received by the emergency broadcast terminal and equipment covered by the DTMB transmission coverage network.
Description
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 DTMB.
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), cable Digital Television (DTMB), terrestrial wireless Digital Television (DTMB), satellite digital 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 transmitting system and a DTMB transmission transmitting system to allow emergency broadcast messages to be transmitted from an FM-CDR transmission overlay network to a DTMB transmission overlay network.
Disclosure of Invention
The invention aims to provide an emergency broadcast adapter for converting FM-CDR into DTMB, which can be connected with an FM-CDR transmission and emission system and a DTMB transmission and emission system to enable an emergency broadcast message to be transmitted from an FM-CDR transmission coverage network to a DTMB transmission coverage network.
The invention solves the technical problems by the following technical scheme.
An FM-CDR-to-DTMB emergency broadcast adapter comprises an FM-CDR receiving module, an analysis module, a main control module, a safety module, a storage module, a DTMB data packaging 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 DTMB 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 and signs the digital certificate on 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 DTMB data encapsulation module encapsulates the emergency broadcast message according to the emergency broadcast message data packet format of the DTMB and generates a DTMB transport stream containing the emergency broadcast message.
And the output module outputs the DTMB transmission stream and is in butt joint with the DTMB 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 transmission coverage network and the emergency broadcast content of the emergency broadcast message transmitted to the DTMB 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 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 DTMB 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 DTMB data packaging module and an output module, and is an emergency broadcast adapter for realizing FM-CDR-DTMB conversion, and is connected with an FM-CDR transmission and emission system and an IP network system, so that emergency broadcast messages are transmitted from an FM-CDR transmission coverage network to a DTMB transmission coverage network, and emergency broadcast terminals and equipment covered by the DTMB transmission coverage network are used for receiving the emergency broadcast messages.
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 DTMB 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 an emergency broadcast platform through a 4G, 5G, 6G or wired network and are transmitted to the DTMB 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 FM-CDR to DTMB emergency broadcast adapter 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 DTMB 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 DTMB data encapsulation module 6 and the output module 7, matches addresses and digital certificate signature with emergency broadcast messages 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.
And the safety module 4 checks and signs the emergency broadcast message.
The storage module 5 stores emergency broadcast messages.
And the DTMB data encapsulation module 6 encapsulates the emergency broadcast message according to the emergency broadcast message data packet format of the DTMB, and generates a DTMB transport stream containing the emergency broadcast message.
And the output module 7 outputs the DTMB transmission stream and is in butt joint with the DTMB 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 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 DTMB 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 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 DTMB 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.
Compared with the prior art, the invention has the beneficial effects 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 DTMB data encapsulation module 6 and an output module 7, and is used for connecting an FM-CDR transmission and transmission system and an IP network system, so that emergency broadcast messages are transmitted to a DTMB transmission coverage network from an FM-CDR transmission coverage network and are received by emergency broadcast terminals and equipment covered by the DTMB 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 DTMB 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 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 DTMB 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-to-DTMB 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 DTMB data packaging 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 DTMB 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 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 DTMB data encapsulation module encapsulates the emergency broadcast message according to the format of the emergency broadcast message data packet of the DTMB and generates a DTMB transport stream containing the emergency broadcast message;
and the output module outputs the DTMB transmission stream and is in butt joint with the DTMB front-end system.
2. The adapter of claim 1, further comprising a text-to-speech module connected to the host module for text-to-speech and audio conversion.
3. The adapter of claim 1, further comprising a monitoring 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 DTMB transmission overlay network into analog audio/video signals or digital audio/video signals for output.
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 the 4G, 5G, 6G, or wired network, wherein the working status includes the condition that the emergency broadcast message from the FM-CDR overlay network is transmitted to the DTMB overlay network via the adapter.
5. The FM-CDR-to-DTMB emergency broadcast adapter of claim 1, wherein said core of FM-CDR receiving module is a Hello Hi5216 chip.
6. The FM-CDR-to-DTMB emergency broadcast adapter of claim 1, wherein said security module has a core of a Huada electronic CIU98 chip or a cun micro T630 chip.
7. The FM-CDR-to-DTMB emergency broadcast adapter of claim 2, wherein the core of said text-to-speech module is the Yuyin Tianxia SYN6658 chip or the Korea fly CSK4002 chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111551379.1A CN114221728A (en) | 2021-12-21 | 2021-12-21 | Emergency broadcast adapter for converting FM-CDR into DTMB |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111551379.1A CN114221728A (en) | 2021-12-21 | 2021-12-21 | Emergency broadcast adapter for converting FM-CDR into DTMB |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114221728A true CN114221728A (en) | 2022-03-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111551379.1A Withdrawn CN114221728A (en) | 2021-12-21 | 2021-12-21 | Emergency broadcast adapter for converting FM-CDR into DTMB |
Country Status (1)
| Country | Link |
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| CN (1) | CN114221728A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024002380A3 (en) * | 2023-07-12 | 2024-04-18 | 六安景顺长华科技有限公司 | Dtmb set-top box for emergency broadcast activated by fm-cdr |
-
2021
- 2021-12-21 CN CN202111551379.1A patent/CN114221728A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024002380A3 (en) * | 2023-07-12 | 2024-04-18 | 六安景顺长华科技有限公司 | Dtmb set-top box for emergency broadcast activated by fm-cdr |
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| PB01 | Publication | ||
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Application publication date: 20220322 |