CN114374580A - Digital audio-video system for ship - Google Patents
Digital audio-video system for ship Download PDFInfo
- Publication number
- CN114374580A CN114374580A CN202111361678.9A CN202111361678A CN114374580A CN 114374580 A CN114374580 A CN 114374580A CN 202111361678 A CN202111361678 A CN 202111361678A CN 114374580 A CN114374580 A CN 114374580A
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- Prior art keywords
- video
- audio
- ship
- server
- terminal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/44—Star or tree networks
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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]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/47—End-user applications
- H04N21/472—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content
- H04N21/47202—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content for requesting content on demand, e.g. video on demand
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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]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
- H04N21/647—Control signaling between network components and server or clients; Network processes for video distribution between server and clients, e.g. controlling the quality of the video stream, by dropping packets, protecting content from unauthorised alteration within the network, monitoring of network load, bridging between two different networks, e.g. between IP and wireless
- H04N21/64746—Control signals issued by the network directed to the server or the client
- H04N21/64753—Control signals issued by the network directed to the server or the client directed to the client
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/44—Star or tree networks
- H04L2012/445—Star or tree networks with switching in a hub, e.g. ETHERNET switch
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Multimedia (AREA)
- Computer Security & Cryptography (AREA)
- Databases & Information Systems (AREA)
- Human Computer Interaction (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The invention discloses a ship digital audio-video system. The invention successfully realizes the integration of the functions of video-audio program on-demand, command voice forced insertion and the like on one set of equipment; the defect that the original ship entertainment facility only has mp3 dibble seeding is solved. The system design adopts a mode of combining a star network topology communication network with multimedia service access. The digital technical system of the kernel of the digital audio-visual entertainment equipment in the ship, which is put forward for the first time, has the best cost-effectiveness ratio and has the advantages of low cost and batch production. The system has the advantages of flexible configuration, strong expandability, high reliability and suitability for the severe working environment of ships.
Description
Technical Field
The invention relates to the technical field of digital multimedia and local area networks, in particular to a digital audio-video system for a ship.
Background
At present, the ship internal communication system is always a system formed by adopting mp3 and other devices, and the means is lagged behind, so that the requirement of modern ship internal multimedia interactive entertainment can not be met. Therefore, the design of the ship audio and video system which not only meets the technical development direction, but also meets the special requirements of modern ships has important significance.
Disclosure of Invention
In view of this, the present invention provides a digital audio/video system for ships, which adopts the local area network switching technology and the multimedia audio/video technology to successfully realize the integration of the functions of audio/video program on demand and command voice plug-in on a set of equipment, and has the following functions:
a) the system has the function of playing video programs in a networking way, the audio and video terminals can access the server through the in-ship network, the stored programs are played in the server, and each video terminal can independently select the video programs, control the playing progress and the like;
b) the system has the function of commanding voice insertion through the inside, interrupts the playing of the video program through the forced insertion key of the command extension set through the inside when necessary, and realizes the forced insertion playing of command voice at the video terminal;
c) the audio-visual terminal structure is adaptively designed on board in combination with the use occasions in the ship, and the viewing angle of the audio-visual terminal is adjusted by utilizing the direction-adjustable support, so that a crew can conveniently use the audio-visual terminal structure at the bed head;
d) the video and audio terminal has the general functions of a tablet personal computer and supports the offline functions of playing local video files, browsing pictures, reading electronic books and the like;
e) the video and audio terminal can play 4: 3 and 16: 9 video programs with two aspect ratios, supporting mainstream video formats including MP4 and RMVB video formats, and the like.
Specifically, the ship digital audio-video system comprises an audio-video server, a plurality of audio-video distributors, a plurality of audio-video terminals and a plurality of earphones.
The digital audio-visual system adopts a server/client-side framework based on the Ethernet, takes a reinforced server as a media service center and adopts a star network topology. The video distributor completes the data exchange function of the local area network in the ship, processes the data forwarding request of the video server and the video terminal, adopts a storage/forwarding working mode, supports multicast and broadcast protocols, can quickly forward network datagrams, and reduces the delay of video program playing.
The audio-visual terminal adopts intelligent operating system, and user's accessible touch-sensitive screen direct control, convenience simple to use. The video and audio terminal is a video program decoding and playing device, responds to a control instruction from the touch screen, and completes an interaction request with the server, so that the functions of playing, progress control and the like of the video and audio program are realized. When watching video programs, the user selects the program to watch through the visual graphic menu and sends a watching request to the video server. The video program request is processed by the video distributor and forwarded to the video server, and the video server analyzes the user request and automatically distributes the video data requested by the user request to the video terminal. The video and audio terminal receives the data issued by the video and audio server and realizes the local playing of the program through internal decoding processing. The user can watch the selected program through the LCD screen of the video and audio terminal.
The ship commander can transmit a voice combat instruction to the audio-video server through a captain/mechanical-electrical-length command extension (belonging to digital comprehensive intercommunication equipment), the audio-video server converts analog voice into digital signals and sends the digital signals to the audio-video terminal for broadcasting, the audio-video program is automatically stopped to be broadcasted when the voice forcible insertion function is started, the voice is forcibly switched to be broadcasted and commanded, and the voice of the commander can be received when the shipper watches the program.
Has the advantages that:
the ship digital audio-video system provided by the invention successfully realizes the integration of the functions of audio-video program on demand, command voice forced insertion and the like on one set of equipment; the defect that the original ship entertainment facility only has mp3 dibble seeding is solved. The system design adopts a mode of combining a star network topology communication network with multimedia service access. The digital technical system of the kernel of the digital audio-visual entertainment equipment in the ship, which is put forward for the first time, has the best cost effectiveness ratio and has the advantages of low cost and batch production. The system has the advantages of flexible configuration, strong expandability, high reliability and suitability for the severe working environment of ships.
Drawings
Fig. 1 is a schematic structural diagram of a digital audio/video system of a ship according to the present invention.
Detailed Description
The invention is described in detail below by way of example with reference to the accompanying drawings.
The invention provides a ship digital audio-video system, which comprises an audio-video server 1, a plurality of audio-video distributors 2, a plurality of audio-video terminals 3 and a plurality of earphones 4, as shown in figure 1. The system is formed by that a video and audio server 1 is connected with a video and audio distributor 2 in a cascading mode, and each video and audio terminal 3 is connected to the corresponding video and audio distributor 2 in a star mode to complete the functions of video and audio on-demand broadcasting, multicasting, voice strong insertion and the like.
The video server 1 mainly realizes the following functions:
a) unified management of system power supply;
b) a digital video and audio resource database and management thereof;
c) digital video and audio resource making and editing functions;
d) a digital video and audio resource playing service function;
e) a real-time inquiry function of the digital video on demand state;
f) the concurrent access of multiple users can be simultaneously supported, and high-quality audio and video data output is provided;
g) receiving audio information and control information of the digital intercommunication system, and realizing inter cut and storage of command information;
h) and providing an audio and video program source for the large-screen liquid crystal display television in the meeting room or the restaurant in a file sharing mode.
The video server 1 is a central processing device of the digital video device, provides core service functions of accessing, publishing, storing and the like of multimedia programs, responds to requests of users for the video programs and distributes data to user terminals. The on-demand programs mainly comprise TV plays, movies, documentaries, music programs and the like; the live program comprises local program live broadcast, command information break-in live broadcast and the like. Meanwhile, through the external storage equipment, an administrator can perform collection and processing of audio and video resources, and provide rich and colorful on-demand programs for users. The operation interface of the video server 1 is implemented by ruggedizing the KVM.
The video-audio distributor 2 is a device in the data transmission channel directly electrically connected with the video-audio terminal 3, and can provide direct current power supply and Ethernet access for the plurality of video-audio terminals 3. Meanwhile, it can also provide 1 channel power and cascade output of video network for the cascade digital video distributor 2.
The audio-visual distributor 2 mainly works as follows:
a) the networking and equipment access functions of the audio-video equipment in the ship are realized, and an audio-video system local area network in the ship can be established through a network interface of the audio-video equipment, so that the networking function between the audio-video server 1 and the audio-video terminal 3 is completed;
b) the information interaction and forwarding between the video terminal 3 and the video server 1 are realized, the request data from the video terminal 3 is received and uploaded to the upper-level network, and the network data stream and the control instruction from the video server 1 are issued.
The video and audio terminal 3 is provided with a touch screen, adopts an intelligent operating system and has the functions of watching video programs, reading electronic books, electronic games and the like; the video and audio terminal 3 is composed of a mainboard, a power supply module, a liquid crystal display module and the like, completes decoding of video resources, and is used as an interactive terminal for a user to request the resources.
The video and audio terminal is installed on the side wall plate of the cabin bed in an embedded installation mode 3.
The video and audio terminal has the following main functions:
a) the video program decoding function is provided;
b) the network connection and data exchange functions are provided;
c) the method has the functions of program selection and program schedule control;
d) supporting the unified management function of the video server 1;
e) the functions of browsing pictures, reading electronic books and the like are realized;
f) the function of installing third-party game software is provided.
In summary, the above description is only a preferred embodiment of the present invention, and is not intended to limit the protection scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A ship digital audio-visual system is characterized by comprising: the system comprises a video server (1), a plurality of video distributors (2) and a plurality of video terminals (3); the video server (1), the video distributors (2) and the video terminals (3) are connected through the Ethernet, the video server (1) is connected with the video distributors (2) in a subordinate mode, and the video terminals (3) are connected to the corresponding video distributors (2) in a star-shaped mode;
the audio and video server (1) stores multimedia programs, responds to the request of the audio and video terminal (3) for the audio and video programs and distributes data to the audio and video terminal (3); receiving a voice combat instruction sent by a captain or an electromechanical long command extension, converting analog voice into a digital signal, and sending the digital signal to a video-audio distributor at the highest priority;
the video distributor (2) is used for realizing information interaction and forwarding between the video terminal (3) and the video server (1);
the audio and video terminal (3) sends an audio and video program request to the audio and video server (1), receives data sent by the audio and video server (1) and decodes the data; receiving the combat command and directly playing the combat command with the highest priority.
2. The marine digital video and audio system according to claim 1, wherein the operation interface of the video and audio server (1) is implemented by ruggedized KVM.
3. The ship digital audio/video system according to claim 1, wherein the audio/video server (1) is connected to an external storage device, and the external storage device stores audio/video resources or collects and processes the audio/video resources.
4. The ship digital audio/video system according to claim 1, wherein the audio/video terminal (3) is equipped with a touch screen and adopts an intelligent operating system.
5. The ship digital audio/video system according to claim 1, wherein the audio/video terminal (3) is installed on the side wall plate of the accommodation bed by an embedded installation method.
6. The ship digital video and audio system according to claim 1, wherein the video and audio terminal (3) has a general function of a tablet computer, supports off-line functions such as local video file playing, picture browsing, and electronic book reading, and supports audio and video playing including MP4 and RMVB video formats.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111361678.9A CN114374580A (en) | 2021-11-17 | 2021-11-17 | Digital audio-video system for ship |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111361678.9A CN114374580A (en) | 2021-11-17 | 2021-11-17 | Digital audio-video system for ship |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114374580A true CN114374580A (en) | 2022-04-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111361678.9A Pending CN114374580A (en) | 2021-11-17 | 2021-11-17 | Digital audio-video system for ship |
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| Country | Link |
|---|---|
| CN (1) | CN114374580A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5808660A (en) * | 1995-09-05 | 1998-09-15 | Sony Corporation | Video on-demand system with a plurality of reception apparatus connected in a daisy chain connection |
| CN104079585A (en) * | 2014-07-18 | 2014-10-01 | 李志伟 | Instant message system and method applicable to maritime device |
| CN204377071U (en) * | 2015-03-06 | 2015-06-03 | 西安兰亭科技有限责任公司 | A kind of carrier-borne Digital Theater System |
| US20160044368A1 (en) * | 2012-11-22 | 2016-02-11 | Zte Corporation | Method, apparatus and system for acquiring playback data stream of real-time video communication |
| CN105744373A (en) * | 2016-02-23 | 2016-07-06 | 福建星网视易信息***有限公司 | Streaming media playing method and system based on Internet |
| CN111447477A (en) * | 2020-04-09 | 2020-07-24 | 桂林长海发展有限责任公司 | Coaxial bidirectional video-on-demand system for ships |
-
2021
- 2021-11-17 CN CN202111361678.9A patent/CN114374580A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5808660A (en) * | 1995-09-05 | 1998-09-15 | Sony Corporation | Video on-demand system with a plurality of reception apparatus connected in a daisy chain connection |
| US20160044368A1 (en) * | 2012-11-22 | 2016-02-11 | Zte Corporation | Method, apparatus and system for acquiring playback data stream of real-time video communication |
| CN104079585A (en) * | 2014-07-18 | 2014-10-01 | 李志伟 | Instant message system and method applicable to maritime device |
| CN204377071U (en) * | 2015-03-06 | 2015-06-03 | 西安兰亭科技有限责任公司 | A kind of carrier-borne Digital Theater System |
| CN105744373A (en) * | 2016-02-23 | 2016-07-06 | 福建星网视易信息***有限公司 | Streaming media playing method and system based on Internet |
| CN111447477A (en) * | 2020-04-09 | 2020-07-24 | 桂林长海发展有限责任公司 | Coaxial bidirectional video-on-demand system for ships |
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