CN1387343A - Network karaoke Machine and its network service system - Google Patents

Network karaoke Machine and its network service system Download PDF

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Publication number
CN1387343A
CN1387343A CN 01118218 CN01118218A CN1387343A CN 1387343 A CN1387343 A CN 1387343A CN 01118218 CN01118218 CN 01118218 CN 01118218 A CN01118218 A CN 01118218A CN 1387343 A CN1387343 A CN 1387343A
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China
Prior art keywords
network
karaoke
service system
software
karaoke machine
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Pending
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CN 01118218
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Chinese (zh)
Inventor
顾昕
顾钧
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SHENMU INFORMATION TECHNOLOGY CO LTD SHANGHAI
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SHENMU INFORMATION TECHNOLOGY CO LTD SHANGHAI
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Priority to CN 01118218 priority Critical patent/CN1387343A/en
Publication of CN1387343A publication Critical patent/CN1387343A/en
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  • Reverberation, Karaoke And Other Acoustics (AREA)

Abstract

The present invention relates to a Kara-Ok device based on network communication and open type network service system. The Kara-Ok device using TV set or other terminal set as display equipment includes hardware, bottom layer software, middle ware and application software, also the device can access network through multiple transport media and supports nearly all broadcast and interactive multi-media application. The combination of the network Kara-Ok device, the networked communication system and the service system constitutes the open type networked service system, which can be applicable to the environment of local area network and wide area network.

Description

Network karaoke Machine and network service system thereof
The present invention relates to a kind of network karaoke Machine, and the network service system of being set up based on this.
Karaoke machine is a kind of general converter tools, but the function of karaoke machine only limits to local scope at present, and the performance of CPU is very low in the machine, and memory space is very little.In China and many other countries, man and wife's separation, father and son separate, mothers and sons separate, the phenomenon of friend's separation is also a lot, if the function of karaoke machine can be expanded, it can be used by the network interconnection, even be in the strange land, also can exchange friendship with singing a song between friend relatives in the of short duration free time.And along with computer, electronics, development of Communication Technique, information becomes necessary part in people's life, how information is passed the focus that has become present technology to huge numbers of families.Karaoke machine is as a kind of information, media termination of family expenses, can adopt current many advanced technologies therein: reduced instruction set computer (RISC) processor at a high speed, digital video audio decoder technology, high-speed peripheral chip, nonshared control unit, network protocol software and real-time system software etc. efficiently, thus become the main means that realize the access of last kilometer of information superhighway.
The karaoke machine that the purpose of this invention is to provide a kind of communication Network Based, and open network service systems that combination constituted such as network karaoke Machine, network communication system and service system thus.
Network karaoke Machine of the present invention promptly has the karaoke machine of function of surfing the Net, and it adopts television set or other terminal part as display device, is a kind of novel information household appliances.Network karaoke Machine is made up of hardware platform and software systems, it can be divided into 4 layers, upwards is respectively hardware, bottom software, middleware, application software the end of from, as shown in Figure 2.Hardware provides the hardware platform of network karaoke Machine; Bottom software provides operating system nucleus and various hardware drive program; Application software comprises the application and the Downloadable application of this machine storage; Middleware is separated application software and the bottom software that depends on hardware, makes to use not rely on concrete hardware platform.The software of network karaoke Machine mainly comprises driver, the real-time oss of the various kinds of equipment types of applications software of unifying.
The difference of network karaoke Machine of the present invention and existing product is: can be by multiple transmission medium online (as: broadcasting and television network access, wire net inserts, wireless communication networks inserts, internet access and Ethernet access etc.), and can support nearly all broadcasting and interactive multimedia to use, receive as digital television broadcasting, electronic program guides (EPG), quasi-video request program (NVOD), pay-per-view is watched (PPV), on-line software updating, data broadcasting, Internet inserts, Email, IP phone, video telephone, video request program, DVD plays and Karaoke, network karaoke etc.
Open network service system of the present invention comprises network karaoke Machine, communication and internet network and service system.Described network can utilize existing communication network and internet, as broadcasting and television network, wire net, wireless communication networks and internet etc., is mainly used in message transmission.Service system is a large-scale website or TV station's playout center, comprises media database, management service system.
Advantage of the present invention is:
1) provide jumbo high density RAM and hard disk, memory space is big;
2) provide multiple medium to insert Internet;
3) can program downloading to be to local hard drive from the media database of website service system, raising is broadcast
Put the kind and the quality of program;
4) provide synchronization mechanism, can synchronous working between the different network karaoke Machines, realize
" strange land Karaoke ";
5) having the website service system to cooperate, can be the network karaoke Machine lastest imformation at any time.
Introduce the present invention in detail below in conjunction with accompanying drawing.
Fig. 1 is the formation schematic diagram of open network service system of the present invention;
Fig. 2 is a network karaoke Machine hardware environment schematic diagram of the present invention;
Fig. 3 is a network karaoke Machine hardware configuration schematic diagram of the present invention;
Fig. 4 is a network karaoke Machine software configuration schematic diagram of the present invention;
Fig. 5 is that digital television broadcasting of the present invention receives the decoding schematic diagram.
Operation principle of the present invention is:
Because cable TV has spread to huge numbers of families, its bandwidth is very wide, is a kind of available broadband network information, utilizes it can transmit video/audio code stream fully.So our network karaoke Machine can be with cable of cable TV as main access medium, also support Ethernet, telephone wire, wireless, optical fiber, medium such as infrared in addition.
As shown in Figure 3, network karaoke Machine of the present invention by digital television broadcasting receiving front-end, mpeg decode, look audio frequency and several parts such as graphics process, cable modem, CPU, memory and various interface circuit are formed.Wherein, the digital television broadcasting receiving front-end comprises tuner and qam demodulator, and this part can demodulate mpeg transport stream from radiofrequency signal; Mpeg decode comprises that partly demultiplexing, descrambling engine and mpeg decompression contract, and it is output as MPEG and looks audio frequency and flow substantially and payload user data.Look audio frequency and graphics process and partly finish analog encoding and the graphics processing function of looking audio frequency.The cable modem module is made up of a two-way tuner, descending qam demodulator, up QPSK/QAM modulator and media interviews control (MAC) module, and this part realizes all functions of cable modem.CPU and memory module are used for storing and the operating software system, and each module is controlled.Interface circuit then provides abundant external interface, comprises ide interface, infrared interface IR, USB (universal serial bus) USB, HSSI High-Speed Serial Interface 1394, Ethernet interface, RS232 and looks audio interface etc.
The basic function of network karaoke Machine is the receiving digital television broadcast program.As shown in Figure 5, tuner module received RF signal and descending frequency conversion are intermediate-freuqncy signal, carry out A/D then and are converted to digital signal, send into the QAM demodulation module again and carry out the QAM demodulation, the serial or parallel data of output mpeg transport stream.Demultiplexing module receives mpeg transport stream, and the PES data of therefrom extracting a program out comprise video PES, audio frequency PES and data PES.Comprise a descrambling engine in the demultiplexing module, can carry out descrambling to the data of scrambling in transport stream layer and PES layer, its output is the PES of descrambling.Video PES sends into the video decode module, takes out the MPEG video data, and the MPEG video data is decoded, and outputs to the PAL/NTSC encoder then, is encoded into anolog TV signals, exports through video output circuit again.Audio frequency PES sends into the audio decoder module, takes out the mpeg audio data, and the mpeg audio data are decoded, and output pcm audio data are to PCM decoder, and PCM decoder is exported stereo simulated audio signal, exports through audio output circuit.Data PES then gives CPU and handles.
Network karaoke Machine provides the literal input of four kinds of modes: physical keyboard (as Wireless Keyboard) input, click certain the piece zone input on the screen, handwriting input, and phonetic entry.
Electronic program guides provides easy-to-use, friendly interface, an a kind of mode (as online paradise 2000 softwares) that can the fast access program to the user, the user can also watch one or more channels by this function, even alternative program on all channels.Simultaneously, EPG can provide the classification feature of various programs, can help user's fast browsing and select various types of programs.
Quasi-video request program is also referred to as enhancing/advanced person's PPV, is a special broadcasted application.Do not have real alternately between NVOD user and the ISP, the ISP broadcasts the title of program get off, and the user only can be provided by the channel that provided, and this mechanism is supported by EPG.The function of NVOD comprises:
Preview: before the user buys, the program of wanting to buy is carried out preview;
Select: in EPG, select a program of having bought;
Suspend: stop to play this program;
Recover: behind time-out, recover to watch this program;
Skip forward/back: this program is realized the skip forward/back operation.
DVB has defined four kinds of data broadcasting modes: data pipe (data pipe), data flow (datastream), multi-protocols encapsulation (Multiple Protocol Encapsulation) and data/object transmit (Data/Object Carousel) in turn, and the present networks karaoke machine is supported all.
In the data pipe mode, data directly transmit in the payload that flows at MPEG and transmit.Can use this mode in the radio network that meets the DVB standard, to carry out simple, asynchronous, data transmission service end to end.
That the data flow mode can realize in digital television broadcasting system is stream-oriented, transfer of data end to end.Data flow can be asynchronous transfer of data, also can be the data in synchronization transmission.
The multi-protocols encapsulation provides technical support to the data service that need transmit the datagram (Datagram) that meets communication protocol in digital television broadcasting system.Utilize this data broadcasting mode, can realize in cable television system that High Speed I nternet data insert.
Data/object transmits the various application that (Data/Object Carousel) support need periodically transmit data module in turn.The size of data module is known, and data module can be updated, is added into and is removed.A plurality of modules can be formed a group (Group), can also form super group (SuperGroup) for a plurality of groups.
The data broadcasting standard of DVB has very strong data service tenability, and network karaoke Machine is realized the support to above-mentioned data broadcast service, and its effect is similar to a data communication gateway in user family.Network karaoke Machine itself can not handled the effective payload that receives data, just realizes data distribution by demultiplexing, gives processing terminal with corresponding data.
On-line software updating is one of application of data broadcasting.Broadcast data server broadcasts upgrade software get off by the DVB data broadcast standard, and the network karaoke function is discerned the version number of this software, does not receive this software simultaneously at version, and the software that is kept in the memory is upgraded.
This network karaoke Machine can be realized the Internet access function easily by built-in cable modem, and Ethernet interface can be provided, and is used for connecting PC.Use the speed of cable modem to compare with telephone modem and can improve a lot, such as improving 100 times, can reach 10Mbps, so have very much competitiveness.
By cable modem, can also realize IP phone and video telephone function.The user is when using this function, and only plain old telephone need be linked to each other with the RJ11 interface of network karaoke Machine gets final product.Service quality when cable modem can guarantee transferring voice and image (QoS).
For each user provides video on-demand function, allow the user watch that he wants the program of seeing at his desirable when and where, be service provider's main target.The cable television digital network karaoke Machine utilizes interactively data channel and broadcast channel, provides desirable technical foundation for realizing this function.
This network karaoke Machine can also carry out interactive entertainment and recreation such as DVD playing back, Karaoke, network karaoke.
Network service system of the present invention is applicable to various local area network (LAN)s, wide area network, as broadcasting and television network, wire net, wireless communication networks and internet.

Claims (12)

1. the network karaoke Machine with function of surfing the Net adopts television set or other terminal part as display device, is made up of hardware platform and software systems, it is characterized in that: include hardware, bottom software, middleware, application software.
2. network karaoke Machine according to claim 1 is characterized in that: described hardware provides the hardware platform of this karaoke machine; Described bottom software provides operating system nucleus and various hardware drive program; Application software comprises the application and the Downloadable application of this machine storage; Described middleware is separated application software and the bottom software that depends on hardware, makes to use not rely on concrete hardware platform; Described software mainly comprises driver, the real-time oss of the various kinds of equipment types of applications software of unifying.
3. according to claim 1,2 described network karaoke Machines, it is characterized in that: it by digital television broadcasting receiving front-end, mpeg decode, look audio frequency and several parts such as graphics process, cable modem, CPU, memory and various interface circuit are formed, wherein, the digital television broadcasting receiving front-end comprises the tuner and the qam demodulator that can demodulate mpeg transport stream from radiofrequency signal; Be output as MPEG and look audio frequency flows substantially and the mpeg decode of payload user data comprises that partly demultiplexing, descrambling engine and mpeg decompression contract; The cable modem module of realization cable modem all functions is made up of a two-way tuner, descending qam demodulator, up QPSK/QAM modulator and media interviews control (MAC) module; The external interface that interface circuit provides comprises ide interface, infrared interface IR, USB (universal serial bus) USB, HSSI High-Speed Serial Interface 1394, Ethernet interface, RS232 and looks audio interface etc.
4. according to claim 1,2 described karaoke machines, it is characterized in that: this machine provides the literal input of four kinds of modes: the physical keyboard input, click certain the piece zone input on the screen, handwriting input, and phonetic entry.
5. according to claim 1,2 described network karaoke Machines, it is characterized in that: can surf the Net by multiple transmission medium, and can support nearly all broadcasting and interactive multimedia to use.
6. network karaoke Machine according to claim 5 is characterized in that: described broadcasting and interactive multimedia are used and are included digital television broadcasting reception, electronic program guides (EPG), quasi-video request program (NVOD), pay-per-view and watch (PPV), on-line software updating, data broadcasting, Internet access, Email, IP phone, video telephone, video request program, DVD broadcast and Karaoke, network karaoke etc.
7. according to claim 1,2 described network karaoke Machines, it is characterized in that: it has synchronization mechanism, can synchronous working between the different network karaoke Machines, realize strange land Karaoke amusement.
8. open network service system, it is characterized in that: it comprises network karaoke Machine, network communication system and service system.
9. open network service system according to claim 8 is characterized in that: the described network that is mainly used in message transmission can utilize existing communication network and internet to realize; Memory and hard disk that larger capacity is arranged in the described karaoke machine; Described service system is a large-scale website or TV station's playout center, comprises media database, management service system.
10. according to Claim 8,9 described network service systems, it is characterized in that: described karaoke machine can be from the media database of described service system program downloading to local hard drive or accumulator system.
11. according to Claim 8,9 described network service systems, it is characterized in that: wherein establish information updating mechanism, promptly the user can come downloading selected update from service system by information updating in the network karaoke Machine and choice mechanism.
12. according to Claim 8,9 described systems, it is characterized in that: this system is applicable to various local area network (LAN)s, wide area network.
CN 01118218 2001-05-22 2001-05-22 Network karaoke Machine and its network service system Pending CN1387343A (en)

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1968401B (en) * 2006-01-05 2010-09-08 中兴通讯股份有限公司 Method for implementing network TV-based Kara OK service
CN102110049A (en) * 2010-12-14 2011-06-29 中山大学 Method and system for automatically testing digital television middleware interface
CN101042863B (en) * 2006-03-24 2011-09-28 华硕电脑股份有限公司 Karaoke system
CN102461208A (en) * 2009-06-19 2012-05-16 杜比实验室特许公司 User-specific features for an upgradeable media kernel and engine
CN102595219A (en) * 2012-01-18 2012-07-18 福建新大陆通信科技股份有限公司 Tri-network integration digital high-definition multimedia receiving terminal
CN104618383A (en) * 2015-02-12 2015-05-13 刘肖兵 Large-sized multi-site platform distributed square dance communication and management system
CN105869617A (en) * 2016-03-25 2016-08-17 北京海尔集成电路设计有限公司 Karaoke device based on China digital radio
CN108376540A (en) * 2018-05-07 2018-08-07 深圳乐华高科实业有限公司 A kind of intelligence karaoke OK system and its application method

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1968401B (en) * 2006-01-05 2010-09-08 中兴通讯股份有限公司 Method for implementing network TV-based Kara OK service
CN101042863B (en) * 2006-03-24 2011-09-28 华硕电脑股份有限公司 Karaoke system
CN102461208A (en) * 2009-06-19 2012-05-16 杜比实验室特许公司 User-specific features for an upgradeable media kernel and engine
US8914137B2 (en) 2009-06-19 2014-12-16 Dolby Laboratories Licensing Corporation Upgradeable engine framework for audio and video
US8984501B2 (en) 2009-06-19 2015-03-17 Dolby Laboratories Licensing Corporation Hierarchy and processing order control of downloadable and upgradeable media processing applications
CN102110049A (en) * 2010-12-14 2011-06-29 中山大学 Method and system for automatically testing digital television middleware interface
CN102595219A (en) * 2012-01-18 2012-07-18 福建新大陆通信科技股份有限公司 Tri-network integration digital high-definition multimedia receiving terminal
CN104618383A (en) * 2015-02-12 2015-05-13 刘肖兵 Large-sized multi-site platform distributed square dance communication and management system
CN104618383B (en) * 2015-02-12 2018-05-29 刘肖兵 A kind of more place platforms of large size, the communication of distributed square dance and management system
CN105869617A (en) * 2016-03-25 2016-08-17 北京海尔集成电路设计有限公司 Karaoke device based on China digital radio
CN108376540A (en) * 2018-05-07 2018-08-07 深圳乐华高科实业有限公司 A kind of intelligence karaoke OK system and its application method

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