CN1708045A - Portable multimedia storing and playing terminal equipment - Google Patents
Portable multimedia storing and playing terminal equipment Download PDFInfo
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- CN1708045A CN1708045A CN 200510024959 CN200510024959A CN1708045A CN 1708045 A CN1708045 A CN 1708045A CN 200510024959 CN200510024959 CN 200510024959 CN 200510024959 A CN200510024959 A CN 200510024959A CN 1708045 A CN1708045 A CN 1708045A
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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 in wireless or wired mode, thereby obtain each multimedia and data file, and the portable multimedia broadcasting that various multimedias and data file are handled computing 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 at 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 use under limited occasion, 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 at a certain class 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 is subjected to 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, in 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 and the data file that receives in the storage medium, by 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 are handled multimedia and the data file processor and the output device of computing 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 as demonstration, power management etc., makes system can connect storage medium and access diverse network.The software architecture of processor controls is open, by 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, as 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 by software upgrading, to adapt to new multimedia file format.
3) storage device and storage medium will be in order to preserving by 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 different network access protocol by 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 show the signal of handling by multimedia and data file processor differently, play and export.Its characteristics can utilize built-in demonstration of novel portable multimedia storing and playing terminal equipment and output interface to play various multimedias and data file, also can output on the peripheral equipment by 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 the communication protocol of realization network and the information search of the network address, and finish diverse networks operations such as online broadcast and download.For 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).
By physical link layer (PHY) and media application layer (MAC), the novel portable multimedia storing and playing terminal equipment just can be implemented in intercommunication on the hardware view with wired and wireless network, as the basis of network communication.
Software aspect: pass through hardware, after novel portable multimedia storing and playing terminal equipment and wired and wireless network are implemented in intercommunication on the hardware view, terminal equipment must pass through built-in network communication protocol software, realize the Handshake Protocol of network communication, send 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 at different network types.
Below be example with existing the Internet (Internet), the hoc network ruton communication function to the novel portable multimedia storing and playing terminal equipment makes a presentation from hardware and software two aspects:
Hardware interface is shown in (Figure of description) figure two:
The built-in multiple different network interface of novel portable multimedia storing and playing terminal equipment is with at various dissimilar wireless and cable networks.
WiFi interface (802.11) wirelessly earlier with the communication of WiFi access server, both finish communication handshake mutual after, insert the Internet by 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 in 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 by 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, illustrate that automatic identification and automated communications by software insert, realize 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: insert by server and router in the local area network (LAN) 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 by 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 by the interface automatic recognition software, obtain interim IP address with embedded network communication protocol DHTP by router and LAN server, again 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 in 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 carry out the operation of network on the novel portable multimedia storing and playing terminal equipment, as 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 by 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 by 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 in 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 carry out the operation of network on the novel portable multimedia storing and playing terminal equipment, as 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 by 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 by software upgrading, to adapt to new multimedia file format.
The multimedia information can be divided into several big classes such as text message, audio stream, video flowing substantially.When transmission over networks, the multimedia information all occurs in 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 at multimedia files such as audio stream, video flowings have appearred: as at MP3, the WMA of audio stream, AMR, AAC, OGG etc. with at MPEG, WMV, Real, the 3GPP etc. of video flowing.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 at new audio frequency and video compressed format.Multimedia that adopts in the novel portable multimedia storing and playing terminal equipment and data file processor are open architecture, its system can be by 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 of acoustic convolver, shift unit and metadata cache can be realized the various complex calculation of digital signal, as DCT/IDCT (number cosine converting/anti-number cosine converting), FFT (fast Fourier transform) etc.And various multimedia file formats can be considered as: MP3, MPEG4 etc. and are made up of the Digital Signal Processing of complexity and conversion.Like this,, can finish 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 at 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 by 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 finished 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, by loading different algorithm routines, the upgradability and the flexibility of system have been guaranteed with regard to scalable support different multimedia and document format data.
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 becomes Digital Signal Processing function combinations such as convolution, displacement corresponding multimedia and data file Processing Algorithm and it is carried out calculation process;
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 various wired and wireless interface technologies such as Ethernet are connected in the network, need not computers, 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 by network, to adapt to new function and multimedia file format.
3) output device of novel portable multimedia storing and playing terminal equipment can show the signal of handling by multimedia and data file processor differently, play and export.Be characterized in to utilize built-in demonstration of novel portable multimedia storing and playing terminal equipment and output interface to play various multimedias and data file, also can output on the peripheral equipment and show, play and output by 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 as demonstration, power management etc., makes system can connect storage medium and access diverse network.The software architecture of processor controls is open, by software upgrading, and the management of downloading song.
2) audio decoder: the audio frequency multimedia file to various different-formats is decoded, can support MP3, WMA, AMR, AAC, the audio frequency multimedia file of forms such as OGG, its system can be by software upgrading, to adapt to new audio frequency multimedia file format, can support online broadcast 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 by 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, energy and the communication of WiFi wireless receiver, playing back music on traditional sound equipment.
Claims (6)
1. a 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 are handled multimedia and the data file processor and the output device of computing to various multimedias and data file.
It is characterized in that: himself have that network connects and communication interface is operably connected electric network and reception multimedia and data file, storage device can be kept at multimedia and the data file that receives in the storage medium, by multimedia and data processor multimedia and data file are handled operation, export treated multimedia and data-signal by output device again.
2. according to the described novel portable multimedia storing and playing terminal equipment of claim 1, it is characterized in that: this equipment has the electric network communication function by Network Interface Unit self, embedded multiple different exercisable network access protocol can insert electric network according to reality and operationally insert the respective electronic network to receive multimedia and data file.
3. according to claim 1,2 described novel portable multimedia storing and playing terminal equipments, it is characterized in that: the embedded procotol of network interface can be the electric network agreement and the following electric network agreement of formulating of existing standard, and having can the property upgraded.
4. according to claim 1,2 described novel portable multimedia storing and playing terminal equipments, it is characterized in that: in the storage medium that this equipment can be saved in self with the multimedia that receives by electric network and data file.
5. according to the described novel portable multimedia storing and playing terminal equipment of claim 1, it is characterized in that: its multimedia and data file processor can software upgrading load multiple decoder and processing protocol, to adapt to new more the more medium and document format data.
6. it is characterized in that according to claim 1,5 described novel portable multimedia storing and playing terminal equipments: output device can show the signal of handling by multimedia and data file processor differently, play and export.
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| CN 200510024959 CN1708045B (en) | 2005-04-07 | 2005-04-07 | Portable multimedia storing and playing terminal equipment |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101753614A (en) * | 2008-12-19 | 2010-06-23 | 康佳集团股份有限公司 | Terminal |
| 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 |
| 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 |
| CN103096306A (en) * | 2012-12-26 | 2013-05-08 | 宋少鹏 | Audio playing method and system |
| CN103248544A (en) * | 2013-05-15 | 2013-08-14 | 赵梓权 | Wireless local area network information access method and system for massive and intensive 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 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0852448A1 (en) * | 1997-01-02 | 1998-07-08 | Nokia Mobile Phones Ltd. | User terminal for mobile communications |
| CN2641726Y (en) * | 2003-07-07 | 2004-09-15 | 莫伟 | Embedded intelligent multimedia playing device and player |
-
2005
- 2005-04-07 CN CN 200510024959 patent/CN1708045B/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN103096306A (en) * | 2012-12-26 | 2013-05-08 | 宋少鹏 | Audio playing method and system |
| CN103096306B (en) * | 2012-12-26 | 2016-05-04 | 宋少鹏 | Audio frequency playing method and system |
| CN103248544A (en) * | 2013-05-15 | 2013-08-14 | 赵梓权 | Wireless local area network information access method and system for massive and intensive population |
| 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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| CN1708045B (en) | 2012-05-09 |
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