CN1435765A - Wide-band network audio and video machine and flash memory internal storage starting method thereof - Google Patents
Wide-band network audio and video machine and flash memory internal storage starting method thereof Download PDFInfo
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- CN1435765A CN1435765A CN 02114795 CN02114795A CN1435765A CN 1435765 A CN1435765 A CN 1435765A CN 02114795 CN02114795 CN 02114795 CN 02114795 A CN02114795 A CN 02114795A CN 1435765 A CN1435765 A CN 1435765A
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Abstract
A broadband network audio-video apparatus is composed of CPU, RAM, hard disc drive, optical disc drive, audio-video signal processor set for decoding the audio and video data, network communication processor, wireless user interface processor for receiving and decoding user instruction and data, and at least two flash memory sets for storing original initializing program, real-time operating system module and user application software kit. A high-speed flash memory start mode is used for high speed and reliability.
Description
Technical field
The present invention relates to the network multimedia computer technology, particularly a kind of broadband network audiovisual, and with the method for this broadband network audiovisual of flash memory internal storage starting.
Background technology
At present, the PC online has been very common in the world thing, as long as understand operating window, sees through the computer screen, can communicate with network world, but the online of this method has bigger limitation.
General desktop personal computer must be purchased a screen display, and film is appreciated also needs to purchase a televisor and the upright sound of six sound channels plug-in card, and cost is higher.The built-in audio-visual substantially periphery of the PC that has, but do not have six sound channels output and DVD player stamen mostly, need plug in addition or upgrade, through special instruction, just can operate during use.Movie and online can not be carried out the same time.
PC is different fully with the operation of household electric appliances, needs the user that the knowledge of basic computer and form is arranged, and just can use.When the internet is operated, needing by keyboard or mouse, see through the form instruction and start, is a standard personal computer operator scheme, is not suitable for big portion household and uses.
Summary of the invention
The objective of the invention is to overcome the above-mentioned deficiency of prior art, a kind of broadband network audiovisual is provided, to satisfy the demand of common household user's online, popularize the application of internet, make the people who is bad to use computer, also can enter network world at any time and any place.
The present invention is a kind of broadband network audiovisual of parallel processing information, comprises central processing unit (CPU), and by random memory reservoir, hard disk and CD drive that bus is connected with central processing unit, it is characterized in that also comprising:
A sound processing device group, it contains at least one independently video-audio signal processor, described video-audio signal processor is connected with central processing unit by pci bus or universal serial bus, is used for the video-audio data decoding, then with the various multimedia simulating signals of the streamed output in river;
A network communication processor, it is connected between central processing unit pci bus and the Ethernet, is used for broadband network transmission control, carries out raising the price, decode and encapsulating of real-time communication, and assists central processing unit to confirm the running of the network address and communications protocol;
A wireless user interface processor, it is connected between central processing unit and the infrared receiver, and it is distant apart from instruction and data to be used to receive the user, and the analysis of decoding is transferred to central processing unit then, starts the corresponding operating program;
And at least two group flash memory internal storage reservoirs, being used to store original starting formula and real time operating system module/user application software bag, the guiding complete machine is finished startup.
The flash memory internal storage starting method of above-mentioned broadband network audiovisual, based on containing central processing unit (CPU), the network multimedia computer system of the hard disk that is connected with CPU, CD drive, random memory reservoir and two groups of flash memory internal storage reservoirs is characterized in that taking following steps:
A, in two groups of flash memory internal storage reservoirs, respectively resident original starting formula module and real time operating system module/user application software bag;
B, power-on are downloaded original starting formula module to system's random memory device from first group of flash memory internal storage reservoir, and move original starting formula module;
C, described formula module are downloaded real time operating system module/user application software module to system's random memory from second group of flash memory internal storage reservoir again, start real time operating system, and operation is monitoring formula module in real time.
This broadband network audiovisual is based on the brand-new hardware and software system applies notion and the network multimedia computer system of state-of-the-art audio-visual technical design, form their division of labour with individual responsibility system central management work, video-audio data decoding, network communication transmission and wireless user interface etc. for a plurality of special microprocessors at center by central processing unit (CPU).Adopt the quick Starting mode of flash memory internal storage, more quick more, reliable than traditional hard disk startup mode.
From two imaging data streams of central processing unit and the output of sound processing device group, can do multiple selection output.The multiple selection of imaging data stream can make the user select different image output interfaces, and connection one or many display devices (comprising televisor) receive network information and movie simultaneously.And choosing of signal output is true-time operation, arbitrarily conversion.
Easy to operate, the same as the audio-visual device of household, mainly with the telepilot operation, in addition additional infrared keyboard can be done the continuous cropping of comprehensive PC.The internet operation is unified by the remote controller commander, and simple and convenient, major part surfs the web, and need not use keyboard.The operation that it is easy helps popularizing the application of internet, allows the people who is bad to use computer, also can enter network world at any time and any place.
Its complete machine is book type structure, and cabinet is made up of left and right two shells etc., and the built in light disk drive can make laser disc vertically place, and compact conformation can horizontal or vertically be placed, and is easy to cooperate household effects to use.
Description of drawings
Fig. 1 is hardware system structure figure of the present invention;
Fig. 2 is many interface circuits of twin flue figure of its imaging data stream;
Fig. 3 is its 8 figure place sign indicating number imaging data stream selector circuit figure at a high speed;
Fig. 4 is the organization chart of its real time operating system;
Fig. 5 dodges the process flow diagram that memory starts for it;
Fig. 6 is its one-piece construction synoptic diagram.
Embodiment
Describe in detail below in conjunction with the embodiment accompanying drawing.As shown in Figure 1, this broadband network audiovisual is an internet multimedia computer machine of being made up of a plurality of central processing units, network data transmission simultaneously, the decoding of audio-visual packed data and wireless user interface formula.
It comprises central processing unit, sound processing device group, network communication processor, wireless user interface processor, and the random memory reservoir that is connected with central processing unit, at least two group flash memory internal storage reservoirs, hard disk and CD drive etc.
Central processing unit is a main logic unit, is the motive power of this machine real-time operation software system, sees through high-speed I/O bus, transmission data and instruction, other processor in the supervisory system.It also manages peripherals, comprises hard disk, CD, display and serial line interface.
Sound processing device group is made up of one or more independent video-audio signal processors, each video-audio signal processor is connected with central processing unit by pci bus or universal serial bus, video-audio data is decoded in specific responsibility, streamed with the river then, export various multimedia analog signals, comprise NTSC/PAL standard television signal and stereo signal.
The network communication processor is connected between central processing unit pci bus and the Ethernet, broadband network transmission control is carried out in specific responsibility, solve raising the price, decode and function such as encapsulation of real-time communication, guarantee that the network data transmitting-receiving is errorless, and assist central processing unit to confirm the running of the network address and communications protocol.
The wireless user interface processor is connected between central processing unit and the infrared receiver, and it is distant apart from instruction and data to receive the user, and the analysis of decoding is transferred to central processing unit then, starts the corresponding operating program.It also is responsible for energy management and this machine opening and closing function.
Two groups of flash memory internal storage reservoirs are used to store original starting formula and real time operating system module/user application software bag, and the guiding complete machine is finished startup.
In exemplary embodiments of the present invention, central processing unit adopts 32 MMX CPU of an Intel X86 compatibility, has pci bus, TV interface, VGA interface, RS232C serial line interface, USB serial line interface and the stereo input/output interface of AC97.It is responsible for moving real-time software operating system and user's application of this machine.
Sound processing device group comprises mpeg decode processor and two signal processors of stereo decoding processor.32 high-speed risc processors of mpeg decode processor adopting are responsible for MPEG-1, MPEG-2 and MPEG-4 cinematic data decoding work, export NTSC or PAL standard analog TV signal, and export the digital TV signal of CCIR-656 standard simultaneously.It sees through pci bus and is connected input MPEG movie data stream, decoding then with central processing unit.The stereo decoding processor is 32 high-speed dsp processors, is responsible for PCM, AC3, DTS, SRS, the decoding work of compression such as Prologic and Karaoke voice data, output six sound channels simulated sound signal.It links to each other with central processing unit with the I2C universal serial bus, receives the instruction of operating system; See through the S/PDIF HSSI High-Speed Serial Interface during compression digital audio signal, directly import from the mpeg decode processor.
The network communication processor is responsible for monitoring the processor of Ethernet, and network transfer speeds is 10,000,000 or 100,000,000.It sees through pci bus and links to each other the high-speed delivery network data with central processing unit.The real time operating system of this machine utilizes it to connect the internet, allows the user can browse net, sends e-mail and plays network gaming.
8-bit microprocessor of wireless user interface processor adopting is responsible for the transmission user instruction and data, and by an infrared receiver, the input user is distant apart from message.It also is responsible for the localpower management, has distant apart from start-up function.
The audio-visual signal output of the ad hoc multichannel of this machine allows a plurality of users can use the network audiovisual simultaneously.It also has Dynamic Selection, shared many interfaces of the twin flue output function of split screen.
Fig. 2 is the many interface circuits of the twin flue of its imaging data stream.The many interface circuits of this twin flue comprise the VGA output line of two MUX (MUX) and central processing unit, the output of an input termination video-audio signal processor group of MUX (1,2), the image output of another input termination central processing unit of MUX (1,2).From two imaging data streams of central processing unit and the output of sound processing device group, can do multiple selection by multiple selection circuit, three image interfaces (VGA, TV1, TV2 interface) are provided then.The multiple selection of imaging data stream can make the user select different image output interfaces, and connection one or many display devices (comprising televisor) receive network information and movie.And choosing of signal output is true-time operation, arbitrarily conversion.
Cooperate this machine of Fig. 2 circuit that following twin flue video-audio data stream signal can be provided.
1), the direct output channel of central processing unit
The video-audio data of local area or outskirt (through network) is flowed through and is directly exported by central processing unit, and it has three image interfaces (VGA, TV1, TV2 interface) and two channel stereo interfaces.
The VGA analog image signal output of PC standard.It connects computer screen device, display system image and data.The signal specification is three kinds of basic colors of RGB.
NTSC or the output of PAL standard C omposite-Video TV analog signal.It converts the RGB data stream output of to YUV specification, and interface is a combined type, and brightness and aberration are blended in same signal.
NTSC or the output of PAL standard Super-Video TV analog signal.It converts the RGB data stream output of to YUV specification, and interface is a shunting, and brightness and aberration are divided into two signals.
The stereo signal I/O of AC97 standard analog (two interfaces of left and right acoustic channels).By the central processing unit decoding, through the stereo signal of digital/analog converter input and output of AC97 specification.
2), sound processing device output channel
The video-audio data of local area or outskirt (through network) is flowed through by pci bus, is passed to sound processing device group, decodes and directly output.It has two image interfaces and six sound channels stereo interface:
NTSC or the output of PAL standard C omposite-Video TV analog signal.The signal specification is YUV, and interface is a combined type, and brightness and aberration are blended on the signal.
NTSC or the output of PAL standard Super-Video TV analog signal.The signal specification is YUV, and interface is a shunting, divides two signals brightness and aberration.
Six sound channels is around simulating stereo signal output, can support the following compression stereo data standard of failing to be sold at auction:
PCM two channel stereo
MP3 high compression two channel stereo
SRS subjunctive mood surround sound
AC3 six sound channels DOLBY DIGITAL is stereo
DTS six sound channels digital movie institute is stereo
The ad hoc high speed shown in Figure 38 figure place sign indicating number imaging data stream selector switchs of this machine are dynamically chosen the digitized video signal of two pipelines output, from the output of TV1 interface, utilize a televisor again, make the image information that split screen is shared the output of two pipelines.This imaging data stream selector switch comprises MUX (1), the output that two input ends of this MUX (1) are received centre device and sound processing device respectively, the Dynamic Selection control signal is received the control end of MUX (1), and MUX (1) is output as the TV1 interface.Under the Dynamic Selection control signal control that the control end of MUX (1) inserts, the TV1 televisor screen first half is by one pipeline image output signal, and Lower Half is by another pipeline image output signal.When this function can allow the user appreciate film, do of short duration online browsing or receive e-mail.
This machine is by a real-time operation software system management, and it is an Embedded system program group, by dodging the internal memory starting, downloads the operation of random memory device.Its management system peripheral devices, network data transmission, the resource of monitoring and distributing each processor provides reliable friendly an operating environment and a user.
Fig. 4 is the organization chart of this machine real time operating system.
Kernel and real-time monitoring formula are the foundation stones of operating system, and the software/hardware of mainly being responsible for system drives and the operating resource management of system.They support user's application, and a reliable software interface is provided.
Kernel is the element of real time operating system, is responsible for the distribution of system resource, the parallel management that peripherals drives formula, bull application, the file administration of hard disk/CD and the monitoring of network communication agreement.Kernel is intermediary's formula module of upper layer software (applications) and hardware system, and a Unified Application Platform is provided, and the interface is not influenced by the hardware combinations change, and the system upper layer module of making can stably operate.
Real-time system monitoring formula is rely a regulation and control customer requirements and install and use the control formula of multimedia peripherals of this machine.It receives and explains user instruction and data, starts application, to satisfy user's requirement.
The user software interface provides the operating environment of an image/mouse-type, sees through form and shows, makes the running of application simple and efficient, more introduces menu formula preference pattern, and this machine is developed into as easy-to-use information appliance as the household electric appliances.
Formula is handled in Internet-browser and e-mail, according to the communications protocol of internet, seeks webpage and transmitting-receiving e-mail.It is a composite type internet works software instrument, allows the user enjoy all internet resources and comprises: film, music, news and specialized information etc.
Audio-visual control formula is an independently software module, monitors the film and the music of this machine, and the setting of multimedia function and transferring than visual and sound effects in real time comprises that image amplifies, goes up bottom right and moves left with volume etc.
The ad hoc central network multimedia control of this machine platform shows with On-screen-display (OSD) form, and cooperates the Digiplex input instruction, monitoring and startup user application.This platform provides real-time audio-video to play and selects and the effect adjustment, makes things convenient for user flexibility to use this machine.It also assisting users set every internet ip, e-mail address, talk with on the net, browse and be provided with etc., be an integrated network multimedia control platform.
This machine adopts unique flash memory internal storage starting mode, makes the startup of system faster reliable.It has two groups of flash memory internal storage equipment, and content contains original starting formula and real time operating system module/user application software bag.During startup, need not rely on hard disk, at first power-on is downloaded original starting formula to system's random memory device from first group of flash memory internal storage, and bootup window.This formula is downloaded all the other software modules to system's random memory from second group of flash memory internal storage again, formally starts real time operating system.It starts flow process as shown in Figure 5.
The structure of this machine is shown in Figure 6 as illustrating.This machine is a book type computer machine, can horizontal or vertically place, and is fit to various household ornaments.Cabinet mainly is made up of left and right two shells, fore shell and back cover, and fore shell is installed various buttons etc., the audio-visual and power interface of back cover set.
This machine built-in DVD driver, driver is vertically placed, and the laser disc pallet of CD drive is provided with four little overhead kicks, and laser disc can vertically be placed, and is forward or step back then with software program control, user-friendly.Ad hoc laser disc is vertically placed function, makes the fuselage external form fine, is easy to cooperate household effects.
Claims (7)
1, a kind of broadband network audiovisual of parallel processing information comprises central processing unit (CPU), and by random memory reservoir, hard disk and CD drive that bus is connected with central processing unit, it is characterized in that also comprising:
A sound processing device group, it contains at least one independently video-audio signal processor, described video-audio signal processor is connected with central processing unit by pci bus or universal serial bus, is used for the video-audio data decoding, then with the various multimedia simulating signals of the streamed output in river;
A network communication processor, it is connected between central processing unit pci bus and the Ethernet, is used for broadband network transmission control, carries out raising the price, decode and encapsulating of real-time communication, and assists central processing unit to confirm the running of the network address and communications protocol;
A wireless user interface processor, it is connected between central processing unit and the infrared receiver, and it is distant apart from instruction and data to be used to receive the user, and the analysis of decoding is transferred to central processing unit then, starts the corresponding operating program;
And at least two group flash memory internal storage reservoirs, being used to store original starting formula and real time operating system module/user application software bag, the guiding complete machine is finished startup.
2, according to the described broadband network audiovisual of claim 1, it is characterized in that: described sound processing device group comprises mpeg decode processor and stereo decoding processor.
3, according to the described broadband network audiovisual of claim 2, it is characterized in that: 32 high-speed risc processors of described mpeg decode processor adopting are connected with central processing unit by pci bus; 32 high-speed dsp processors of described stereo decoding processor adopting, it links to each other with central processing unit with the I2C universal serial bus.
4, according to the described broadband network audiovisual of claim 1, it is characterized in that: the many interface circuits of twin flue that are provided with imaging data stream, the many interface circuits of this twin flue comprise the VGA output line of two MUX (MUX) and central processing unit, the output of an input termination video-audio signal processor of MUX (1,2), the image output of another input termination central processing unit of MUX (1,2) is used to provide three image interfaces (VGA, TV1, TV2 interface).
5, according to the described broadband network audiovisual of claim 1, it is characterized in that: be provided with 8 figure place sign indicating number imaging data stream selector switchs at a high speed, this imaging data stream selector switch comprises a MUX (1), the output that two input ends of this MUX (1) are received centre device and sound processing device respectively, the Dynamic Selection control signal is received the control end of MUX (1), and MUX (1) is output as the TV1 interface.
6, according to the described broadband network audiovisual of claim 1, it is characterized in that: its complete machine is book type structure, the vertical CD drive of placing in the cabinet, and the laser disc pallet of CD drive is provided with four little overhead kicks, and laser disc can vertically be placed.
7, a kind of flash memory internal storage starting method of broadband network audiovisual, based on containing central processing unit, the internet multimedia computer system of the hard disk that is connected with central processing unit, CD drive, random memory reservoir and two groups of flash memory internal storage reservoirs is characterized in that taking following steps:
A, in two groups of flash memory internal storage reservoirs, respectively resident original starting formula module and real time operating system module/user application software bag;
B, power-on are downloaded original starting formula module to system's random memory device from first group of flash memory internal storage reservoir, and move original starting formula module;
C, described formula module are downloaded real time operating system module/user application software module to system's random memory from second group of flash memory internal storage reservoir again, start real time operating system, and operation is monitoring formula module in real time.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 02114795 CN1435765A (en) | 2002-01-26 | 2002-01-26 | Wide-band network audio and video machine and flash memory internal storage starting method thereof |
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| CN 02114795 CN1435765A (en) | 2002-01-26 | 2002-01-26 | Wide-band network audio and video machine and flash memory internal storage starting method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100393060C (en) * | 2005-04-01 | 2008-06-04 | 中兴通讯股份有限公司 | Data communication method for device interior |
| CN100451963C (en) * | 2005-10-25 | 2009-01-14 | 神基科技股份有限公司 | Method of quickly start execution computer program by operation system kernel program carried by high speed data access storage |
| WO2017214947A1 (en) * | 2016-06-16 | 2017-12-21 | 深圳市柔宇科技有限公司 | Multi-user interaction method and device, and chaperone robot |
-
2002
- 2002-01-26 CN CN 02114795 patent/CN1435765A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100393060C (en) * | 2005-04-01 | 2008-06-04 | 中兴通讯股份有限公司 | Data communication method for device interior |
| CN100451963C (en) * | 2005-10-25 | 2009-01-14 | 神基科技股份有限公司 | Method of quickly start execution computer program by operation system kernel program carried by high speed data access storage |
| WO2017214947A1 (en) * | 2016-06-16 | 2017-12-21 | 深圳市柔宇科技有限公司 | Multi-user interaction method and device, and chaperone robot |
| US11023034B2 (en) | 2016-06-16 | 2021-06-01 | Shenzhen Royole Technologies Co., Ltd. | Method and apparatus for multiuser interaction and accompanying robot |
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