CN1708045B - Portable multimedia storing and playing terminal equipment - Google Patents
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Abstract
The new type of portable multimedia storing and broadcasting terminal equipment is accessed directly into electronic network by means of wired or wireless access technology, and performs broadcast of multimedia information and treatment of data file in on-line download mode. It has itself network connection and communication interface for connection to electronic network and receiving multimedia and data file. The storing device can maintain the received multimedia and data file in the storing medium, the multimedia and data processor completes the treating operation of multimedia and data file, and the output device outputs multimedia and data file.
Description
Affiliated technical field:
Patent of the present invention is applied to based on multimedia network service; Self having network connects with communication interface and can independently be connected network and receive multimedia and data file with wireless or wired mode; Thereby obtain each multimedia and data file, and the portable multimedia broadcasting that various multimedias and data file are carried out processing operations is put terminal equipment.
Background technology:
Is the interaction platform that the Wireless/wired network of representative is just becoming various information with at present popular electric network with Internet and 3G mobile radio communication.Along with the arrival of multimedia era, network becomes the biggest carrier of many contents such as music, image, text, recreation.People also get used to obtaining colourful various multimedia information and data file from network.But the application to network multimedia information and data file still has its limitation at present:
1) be that multimedia information and data dissemination are downloaded or intermediary's platform with the PC, various media application are restricted:
PC volume, price and power consumption have limited its application and can only under limited occasion, use, and can not satisfy the requirement that the user inserts anywhere or anytime and plays.And obtaining of general digital its multimedia resource of broadcast product is restricted; Current multimedia players such as MP3 can't directly freely obtain data and information from electric networks such as Internet; Must rely on computer is that intermediate medium carries out exchanges data, and obtaining of multimedia resource is restricted.
2) digital product is used single:
Present number is play product often only to a certain type of multimedia information, and its application is more single, can't tackle diversified multimedia information and data file.
3) the broadcast occasion is limited:
Existing player receives the restriction of output form, and the application scenario is single, and the application scenario is limited, and function is also less.For example the MP3 player can only be confined to individual's Music Appreciation, just can't play in the family.And user's space comprises: individual, family, automobile-used or the like.
In sum, the transmission of network multimedia information and broadcast can be summed up as two problems:
1) need not pass through computer, just can obtain network multimedia information and data file,, make the user can conveniently obtain the multimedia information with the portable multimedia storing and playing terminal equipment of wired and wireless network access mode;
2) can handle various multimedia information and data file, have the way of output of audio frequency and video flexibly, the user is play anywhere or anytime and handle these multimedia information and deal with data file.
Summary of the invention:
In order to realize the flexible transmission and the broadcast of network multimedia information, patent of the present invention adopts wired and wireless access technology, directly inserts electric network, with the mode of online download, carries out the broadcast of multimedia information and the processing of data file.Himself have network connection and communication interface network-connectable and receive multimedia and data file; Storage device can be kept at multimedia that receives and data file in the storage medium; Through multimedia and data processor multimedia and data file are handled operation, again by output device output multimedia and data-signal.
Technical scheme:
The novel portable multimedia storing and playing terminal equipment is shown in (Figure of description) figure one:
The novel portable multimedia storing and playing terminal equipment comprises: Network Interface Unit; The processor controls of the work of each functional module of control system; The storage device of store media files and storage medium carry out multimedia and the data file processor and the output device of processing operations to various multimedias and data file.
1) work of each functional module of processor controls control system realizes the management of storage medium and the operation of talk various network protocols simultaneously like demonstration, power management etc., makes system can connect storage medium and access diverse network.The software architecture of processor controls is open, through software upgrading.
2) multimedia and data file processor can be supported the multimedia and the data file of various different-formats, and it can support the multimedia and the data file of present main flow, like audio file: MP3, WMA, OGG etc.; Video file: MPEG4, AVI etc., text or the like.Multimedia and data file processor system can load multiple decoding and processing protocol through software upgrading, to adapt to new multimedia file format.
3) storage device and storage medium will be in order to preserving through the multimedia and the data file of network download.Its storage medium can be selected built-in IC storage chip or storage card or micro harddisk for use, is used to preserve the multimedia and the data file of download.
4) multiple electric network communication interfaces such as the built-in WiFi of Network Interface Unit, mobile radio communication and Ethernet; Can add multiple various network access protocol through software or hardware mode; Can insert electric network according to reality and independently insert the respective electronic network, network communicating functions such as automatic searching multimedia and data file in the respective electronic network.
5) output device: output device can be pressed different modes with the signal of handling through multimedia and data file processor and show, plays and output.Demonstration and output interface that its characteristics novel portable multimedia storing and playing terminal equipment capable of using is built-in are play various multimedias and data file, also can output on the peripheral equipment through the signal that output device was handled multimedia and data file processor to show, play and output.
Below realize doing further introduction with regard to the key technology of each functional module of these innovation and creation:
(1) the hoc network ruton communication function of novel portable multimedia storing and playing terminal equipment:
Its implication of hoc network ruton communication function of terminal equipment need not be done complicated operations and setting for the user; Only need terminal equipment is plugged into to corresponding network insertion interface; Terminal equipment can be autonomous communication protocol and the information search of the network address of realization network, and accomplish diverse networks such as online playing and download and operate.As far as the terminal use, this equipment has the network accessibility of " plug and play ".And the network accessibility of novel portable multimedia storing and playing terminal equipment will satisfy the access capability of various dissimilar wired and wireless networks, realizes terminal use's network insertion requirement anywhere or anytime in moving.
For realizing the hoc network ruton communication function of novel portable multimedia storing and playing terminal equipment; Need design consideration from hardware and software two aspects: hardware aspect, novel portable multimedia storing and playing terminal equipment must have and meet various dissimilar wired and the physical link layer (PHY) of wireless network and the interfaces of media application layer (MAC).Through physical link layer (PHY) and media application layer (MAC), the novel portable multimedia storing and playing terminal equipment just can be implemented in the intercommunication on the hardware view with wireless network with wired, as the basis of network communication.
Software aspect: through hardware; After novel portable multimedia storing and playing terminal equipment and wired and wireless network are implemented in the intercommunication on the hardware view; Terminal equipment must pass through built-in network communication protocol software, realizes the Handshake Protocol of network communication, sends the order of corresponding network operation; Packet is downloaded and uploaded to autonomous search response media resource.Also must have the network type discrimination function at this novel portable multimedia storing and playing terminal equipment software,, move corresponding procotol to guarantee independently carrying out of network communication with to the various network type.
Below be example with existing the Internet (Internet), to the hoc network ruton communication function of novel portable multimedia storing and playing terminal equipment, do one from hardware and software two aspects and introduce:
Hardware interface is shown in (Figure of description) figure two:
The built-in multiple various network interface of novel portable multimedia storing and playing terminal equipment is to be directed against various dissimilar wireless and cable networks.
WiFi interface (802.11) with wireless mode earlier with the communication of WiFi access server, both accomplish communication handshake mutual after, insert the Internet through the WiFi access server again.
Ethernet interface directly inserts the Internet by router or from LAN server, and its interface meets 10M/100M ethernet standard interface.
3G mobile communication interface inserts the 3G mobile network with the communication mode of code division multiple access, and the multimedia information can be provided by the multimedia content server among the 3G mobile network, also can insert the Internet indirectly by the 3G mobile network again and obtain the multimedia information.
The novel portable multimedia storing and playing terminal equipment can be realized the expansion of network interface with the mode of more other network hardware interfaces of plugging into, with diversity and the development that adapts to network.
This shows; Diversity and extensibility through the built-in hardware net interface of novel portable multimedia storing and playing terminal equipment; Guaranteed that from hardware aspect the novel portable multimedia storing and playing terminal equipment can be fit to different wireless and cable networks and insert, to realize terminal equipment access network anywhere or anytime.
The software aspect: with present most widely used the Internet (Internet) is example; Automatic identification and automated communications access through software are described, are realized this novel portable multimedia storing and playing terminal equipment network access facility of " plug and play " in network.
Modal in the Internet inserts have a dual mode: in the local area network (LAN) through server and router access and with the dial-up access of modes such as ADSL shown in (Figure of description) figure three:
1) in local area network (LAN), insert through server and router:
Be docked with on the network interface at the novel portable multimedia storing and playing terminal equipment; Processor controls is the operational network communication software automatically; Earlier detect the 10/100M Ethernet interface through the interface automatic recognition software; Obtain interim IP address with embedded network communication protocol DHTP through router and LAN server; By the local network accessing Internet, according to the IP address (fixed IP addresses: can be provided with by the novel portable multimedia storing and playing terminal equipment) of multimedia content server, the multimedia information is uploaded and downloaded to processor controls operation ICP/IP protocol with the mode of IP bag again.Network communication software comprises that also network texts such as HTML, Java resolve software, can download and display web page, can on the novel portable multimedia storing and playing terminal equipment, carry out the operation of network, like search file, address etc. is set.
2) with the dial-up access of modes such as ADSL:
Be docked with on the network interface at the novel portable multimedia storing and playing terminal equipment; Processor controls is the operational network communication software automatically; Earlier detect dialing interface through the interface automatic recognition software; With equipment such as ADSL access device in the embedded dial-up program connection communication network and servers; Through automatic identity authentication, distribute an interim IP address by access server, insert the Internet through access server again; According to the IP address (fixed IP addresses: can be provided with by the novel portable multimedia storing and playing terminal equipment) of multimedia content server, the multimedia information is uploaded and downloaded to processor controls operation ICP/IP protocol with the mode of IP bag.Network communication software comprises that also network texts such as HTML, Java resolve software, can download and display web page, can on the novel portable multimedia storing and playing terminal equipment, carry out the operation of network, like search file, address etc. is set.Shown in (Figure of description) figure four:
More than for example, sketch the workflow of the network communication software of Ethernet, can insert other diverse networks in a similar manner equally.The network communication software bag of novel portable multimedia storing and playing terminal equipment is moved by processor controls, and its structure is an open architecture, can upgrade through software, to adapt to the needs of network development.As in the network of IPv6 of future generation, each novel portable multimedia storing and playing terminal equipment can have independent IP address, need not the interim distributing IP of access server, and the ability of its network insertion will increase greatly, and network insertion will be more convenient also.
Introduce second key technology of this novel portable multimedia storing and playing terminal equipment below:
(2) open architecture of multimedia and data file processor system: multimedia in the novel portable multimedia storing and playing terminal equipment and data file processor system can load multiple decoding and processing protocol through software upgrading, to adapt to new multimedia file format.
The multimedia information can be divided into several big type of text message, audio stream, video flowing etc. substantially.When transmission over networks; The multimedia information all occurs with the mode of digital signal (Digital Signal); Particularly because the file size of audio stream, video flowing is very big; At present according to the document characteristic of audio stream, video flowing, a series of compression algorithms to multimedia files such as audio stream, video flowings have appearred: as to the MP3 of audio stream, WMA, AMR, AAC, OGG etc. with to the MPEG of video flowing, WMV, Real, 3GPP etc.Above-described audio frequency and video compressed format all can abstractly be the compress mode (DigitalSignal Compression) of digital signal.And decompress(ion) and the reduction in the novel portable multimedia storing and playing terminal equipment, audio frequency and video compressed can abstractly be the processing (Digital Signal Process) of digital signal.
In order in this novel portable multimedia storing and playing terminal equipment, to play various dissimilar audio-video documents, also consider upgrading simultaneously to new audio frequency and video compressed format.Multimedia that in the novel portable multimedia storing and playing terminal equipment, adopts and data file processor are open architecture; Its system can be through software upgrading; And load multiple decoding and processing protocol; To adapt to various dissimilar multimedia file formats, can tackle the upgrading of multimedia file format simultaneously.
The system block diagram that below is multimedia and data file processor is shown in (Figure of description) figure five:
Digital signal processing unit is made up of several parts such as acoustic convolver, shift unit and metadata caches.Complicated Digital Signal Processing (DSP) computing all can be considered constituting by most basic digital signal computings such as convolution, displacements; The various combination that is made up of acoustic convolver, shift unit and metadata cache can be realized the various complex calculation of digital signal, like DCT/IDCT (number cosine converting/anti-number cosine converting), FFT (fast Fourier transform) etc.And various multimedia file formats can be considered like: MP3, MPEG4 etc. and are made up of the Digital Signal Processing of complicacy and conversion.Like this,, can accomplish the most complicated Digital Signal Processing function, comprise processing various multimedia file formats according to different compositions and order of operation by digital signal computings such as the simplest convolution and displacements.
In multimedia and data file processor,, will be stored in the digital signal processing algorithm program internal memory to the form algorithm of dissimilar multimedias and data file for realizing the processing of various different multimedia files and data file.When carrying out the processing of multimedia and data file, the operation program controller, takes out corresponding algorithm routine, and is loaded in the digital signal processing unit from the digital signal processing algorithm program internal memory according to the multimedia and the document format data of required processing.Like this, digital signal processing unit just can carry out corresponding multimedia and data file processing according to this algorithm routine.
Digital signal through digital signal processing unit is handled through the encoding-decoding process of digital signal codec, is reduced to raw digital signal such as audio frequency and video again.
Digital signals such as audio frequency and video export corresponding output device to again by digital signal input and output buffer unit.
Like this, multimedia and data file processor have just been accomplished processing and the output to multimedia file and data file.From the above; Because the corresponding data algorithm of multimedia and data file is loaded on digital signal processing unit by the algorithm routine internal memory; Like this; The framework of whole multimedia and data file processor is open, through loading the different algorithms program with regard to scalable support different multimedia and document format data, has guaranteed the upgradability and the flexibility of system.
Figure below be the functional flow diagram of multimedia and data file processor shown in (Figure of description) figure six:
The first step: in the metadata cache that the multimedia and the data file of required processing is inputed to digital signal processing unit by input-buffer;
Second step: the operation program controller detects multimedia and document format data type;
The 3rd step: the operation program controller is searched for corresponding algorithm software according to detected multimedia and data file class from the algorithm routine internal memory, and is loaded in the digital signal processing unit;
The 4th step: according to the algorithm software that is loaded, digital signal processing unit carries out calculation process with the synthetic corresponding multimedia of Digital Signal Processing functionalities such as convolution, displacement and data file Processing Algorithm and to it;
The 5th step: being reappeared through the digital codec coding by the digital signal after the digital signal processing unit processing is original digital signals such as audio frequency and video;
The 6th step: export digital signal to corresponding output device via output buffers again.
The beneficial effect of the invention is:
1) the novel portable multimedia storing and playing terminal equipment is with WiFi, 3G, and Ethernets etc. are various wiredly to be connected in the network with wireless interface technology, need not computer, realization network service that can be autonomous realizes online anywhere or anytime.
2) multimedia of novel portable multimedia storing and playing terminal equipment can load different decodings and processing protocol with data file processor, can carry out system upgrade through network, to adapt to new function and multimedia file format.
3) output device of novel portable multimedia storing and playing terminal equipment can be pressed the different modes demonstration with the signal of handling through multimedia and data file processor, play and output.Be characterized in that demonstration and output interface that novel portable multimedia storing and playing terminal equipment capable of using is built-in play various multimedias and data file, also can output on the peripheral equipment and show, play and output through the signal that output device was handled multimedia and data file processor.
Specific embodiments
Below be the application of example explanation patent of the present invention with portable online music media player,
Shown in (Figure of description) figure seven:
The online music player is a portable design, and volume is frivolous, adopts lithium battery power supply.Its inside is made up of following several parts:
1) processor controls: the work of each functional module of control system realizes the management of storage medium and the operation of talk various network protocols simultaneously like demonstration, power management etc., makes system can connect storage medium and access diverse network.The software architecture of processor controls is open, through software upgrading, and the management of downloading song.
2) audio decoder: the audio frequency multimedia file to various different-formats is decoded, and can support MP3, WMA; AMR, AAC, the audio frequency multimedia file of forms such as OGG; Its system can be through software upgrading; To adapt to new audio frequency multimedia file format, can support online playing and downloading and playing, and support breakpoint transmission.
3) native system uses LCD, in order to show the song information of downloading, the online menu webpage that service provider pushes automatically etc.
4) storage medium can be selected built-in IC storage chip or storage card or micro harddisk for use, is used to preserve the audio frequency multimedia file of download.Owing to, do not guaranteed that this equipment can not externally duplicate the music information of its storage through some mode, do not had any copyright worry with computer and the interface that other equipment are connected.Adopt big capacity storage, can download a large amount of music.
5) network interface is built-in WiFi, and many kinds of Wireless/wired network communication interfaces of 3G and Ethernet can in all case easily with network communication, be enjoyed the online music service.
6) audio frequency output: this equipment has earphone jack, and the earphone music appreciating can be arranged, and also can pass through built-in WiFi chip, ability and the communication of WiFi wireless receiver, playing back music on traditional sound equipment.
Claims (14)
1. novel portable multimedia storing and playing terminal equipment; Comprise: Network Interface Unit; The processor controls of the work of each functional module of control system; The storage device of store media files and storage medium carry out multimedia and the data file processor and the output device of processing operations to various multimedias and data file
It is characterized in that: the built-in multiple network communication interface of said Network Interface Unit; Said processor controls discern automatically connect the type of network and make said novel portable multimedia storing and playing terminal equipment through corresponding network communication interface insert automatically connect network; With from connected network download multimedia and data file; Storage device is kept at multimedia and the data file downloaded in the storage medium; Multimedia and data file processor are handled operation to multimedia and the data file downloaded, and output device output is through the multimedia and the data-signal of said multimedia and data file processor processing.
2. novel portable multimedia storing and playing terminal equipment according to claim 1 is characterized in that: said network communication interface comprises wireless communication interface and/or wire communication interface.
3. novel portable multimedia storing and playing terminal equipment according to claim 1 is characterized in that: said network communication interface comprises at least a in WIFI interface, 3G interface, the Ethernet interface.
4. novel portable multimedia storing and playing terminal equipment according to claim 3; It is characterized in that: said WIFI interface is with wireless mode elder generation and the communication of WIFI access server; Both accomplish communication handshake mutual after, insert the Internet through the WIFI access server again.
5. novel portable multimedia storing and playing terminal equipment according to claim 3; It is characterized in that: said 3G interface inserts the 3G mobile network with the communication mode of code division multiple access; By the multimedia content server among the 3G mobile network multimedia information is provided, perhaps inserts the Internet indirectly and obtain the multimedia information by the 3G mobile network.
6. novel portable multimedia storing and playing terminal equipment according to claim 3 is characterized in that: said Ethernet interface directly inserts the Internet by router or from LAN server, and its interface meets 10M/100M ethernet standard interface.
7. novel portable multimedia storing and playing terminal equipment according to claim 1 is characterized in that: said network communication interface through the network hardware interface of plugging into to guarantee that the wireless of said novel portable multimedia storing and playing terminal equipment and cable network access capability are upgradeable.
8. according to the said novel portable multimedia storing and playing terminal equipment of claim 1, it is characterized in that said processor controls make in the following manner said novel portable multimedia storing and playing terminal equipment through corresponding network communication interface insert automatically connect network: when said novel portable multimedia storing and playing terminal equipment remains presence when a kind of network switches to another kind of network.
9. according to the said novel portable multimedia storing and playing terminal equipment of claim 3, it is characterized in that according to following manner discern automatically connect the type of network and insert automatically connect network:
Said novel portable multimedia storing and playing terminal equipment is docked with on the network communication interface;
Processor controls identification automatically detects Ethernet interface;
Obtain interim IP address through router and LAN server, again by the local network accessing Internet;
Processor controls operation ICP/IP protocol carries out network service with the mode and the multimedia content server of IP bag.
10. according to claim 1 or 3 said novel portable multimedia storing and playing terminal equipments, it is characterized in that according to following manner discern automatically connect the type of network and insert automatically connect network:
Said novel portable multimedia storing and playing terminal equipment is docked with on the network communication interface;
The processor controls automatic recognition software detects dialing interface;
Connect the ADSL access server,, obtain the interim IP address of the server-assignment of access, insert the Internet through access server again through automatic identity authentication;
Processor controls operation ICP/IP protocol carries out network service with the mode and the multimedia content server of IP bag.
11. novel portable multimedia storing and playing terminal equipment according to claim 1 is characterized in that: the procotol that the embedded multiple network agreement of said network communication interface is an existing standard, and can increase procotol through software or hardware mode.
12., it is characterized in that: in the storage medium that multimedia that this equipment receives through network and data file are saved in self according to the said novel portable multimedia storing and playing terminal equipment of claim 1.
13. according to the said novel portable multimedia storing and playing terminal equipment of claim 1, it is characterized in that: its multimedia and data file processor load multiple decoder and processing protocol through software upgrading, to adapt to newly-increased multimedia and document format data.
14. according to claim 1 or 13 said novel portable multimedia storing and playing terminal equipments, it is characterized in that: output device will be pressed different modes through the signal that multimedia and data file processor were handled and show, plays and output.
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1937488B (en) * | 2006-08-28 | 2010-12-22 | 珠海金山软件有限公司 | Safety quick transmission and instant playing method of sound signal in network |
| CN101217514B (en) * | 2008-01-04 | 2010-12-08 | 凌阳科技股份有限公司 | A portable Flash playing device and interactive system and method based on such device |
| CN101753614A (en) * | 2008-12-19 | 2010-06-23 | 康佳集团股份有限公司 | Terminal |
| CN103096306B (en) * | 2012-12-26 | 2016-05-04 | 宋少鹏 | Audio frequency playing method and system |
| CN103248544B (en) * | 2013-05-15 | 2016-12-28 | 赵梓权 | WLAN information access method and system for extensive dense population |
| CN103561309A (en) * | 2013-08-20 | 2014-02-05 | 北京市农林科学院 | 3G mobile Internet streaming medium video interactive platform |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1249113A (en) * | 1997-01-02 | 2000-03-29 | 诺基亚流动电话有限公司 | Mobile communication |
| CN2641726Y (en) * | 2003-07-07 | 2004-09-15 | 莫伟 | Embedded intelligent multimedia playing device and player |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1249113A (en) * | 1997-01-02 | 2000-03-29 | 诺基亚流动电话有限公司 | Mobile communication |
| CN2641726Y (en) * | 2003-07-07 | 2004-09-15 | 莫伟 | Embedded intelligent multimedia playing device and player |
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Effective date of registration: 20150403 Address after: 200336, 99, Lane 702, Golden City Road, Shanghai, Changning District, room 26, garden city, Hongqiao Patentee after: Zhang Wenlin Address before: 200003 room 1, building 186, Lane 701, Dagu Road, Shanghai, China Patentee before: Shanghai Yee-inc Co., Ltd. |
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Owner name: ZHANG WENQI Free format text: FORMER NAME: ZHANG WENLIN |
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Address after: 200000, 99, Lane 702, Golden City Road, Shanghai, Changning District, room 26, garden city, Hongqiao Patentee after: Zhang Wenqi Address before: 200000, 99, Lane 702, Golden City Road, Shanghai, Changning District, room 26, garden city, Hongqiao Patentee before: Zhang Wenlin |