CN100356774C - Multimedia image system - Google Patents
Multimedia image system Download PDFInfo
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- CN100356774C CN100356774C CNB2004100674458A CN200410067445A CN100356774C CN 100356774 C CN100356774 C CN 100356774C CN B2004100674458 A CNB2004100674458 A CN B2004100674458A CN 200410067445 A CN200410067445 A CN 200410067445A CN 100356774 C CN100356774 C CN 100356774C
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Abstract
The present invention discloses a multimedia image system. The multimedia image system comprises a host machine, a display connected with the host machine through a low frequency bus and a video bus, a display screen (1), a comprehensive power supply module (2), a video display module (3), a display mode control module (4), a clock control / function remote control module (5), plug-in interfaces (61, 62) of a left sound box and a right sound box, a left function chamber (7), a right function chamber (8), a function control chamber (9), a host machine case, a full television signal receiving /frequency converting module (11), a module (12) for intermediate frequency amplification, detection and digital /analog switching, a decoding module (13) of full television A/V signals, a clock synchronous signal control module (14), a comprehensive power supply module (15) and a multifunctional expansion slot (16). The present invention has the advantages that a detachable module combination structure is used, and the present invention is based on the interconnection technology of bottom back boards, bus control technology and expandability design; the system has the functions of computer intelligence management and configuration upgrade.
Description
Technical field
The present invention relates to the employed multimedia image system of a kind of family or public place of entertainment.
Background technology
Existing television receiver is a kind of display structure pattern of integral body, its weak point: the one, when the user is unsatisfied with certain function (as: VGA input) or a certain index (as: screen size, definition) of machine; The 2nd, in the time of can't using when the change of television transmission pattern, its unique way can only be that the complete machine of abandoning is purchased in addition, and this situation can take place in science and technology fast-developing today very continually.Therefore along with the continually developing of original different model tv product of the same type, each consumer will abandon many life-spans not to and the out-of-date old machine of function and purchase new machine in addition; And when television transmission pattern generation essence changes (transmission of analogue transmission parameter word), then to abandon generation tv product.Thereby bring the helpless and vast and hazy of consumption to the user on the one hand; To produce a large amount of industrial refuses on the other hand jeopardizes environment, destroys the human existence space; Human and material resources, financial resource to entire society also is a kind of great waste simultaneously.
Era development is to today, and the conventional television pattern of always continuing to use for six more than ten years can not satisfy the demand for development of the novel television mode that changes day by day, and existing of it will be to the whole human great negative effect that produces.Must seek a kind of vitality that more has; More can satisfy consumer demand; More can improve social productive forces, represent the novel audio and video products of 21st century development in science and technology level to replace.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of needs that can satisfy present international television pattern at above-mentioned prior art present situation, can adapt to the development and change of following television mode again and be difficult for being eliminated, expensive complete machine can not become the multimedia image system of discarded industrial refuse owing to the adjustment of television transmission pattern.
The present invention solves the problems of the technologies described above the technical scheme that is adopted: a kind of multimedia image system comprises a main frame, a display that is connected by low-frequency bus, video bus with described main frame.Display comprises: display screen and place comprehensive power module in it, look and put display module, display mode control module, clock control/function remote control module, left voice box chamber, right voice box chamber, left functional compartments, right functional compartments, function control room;
Described left functional compartments be used for main frame between power supply, audio frequency, the bus of clock control signal be connected; Right functional compartments be used for main frame between the bus of various video signal be connected;
Display screen provides each road normal working voltage by comprehensive power module, vision signal by external world's input is delivered to right functional compartments, after corresponding video interface circuit conversion, send into to look and put display module and carry out video and amplify, through the imaging modality of display mode control module regulation and control image, send into the display screen of having lighted and realize that image shows; Simultaneously deliver to left functional compartments and after the sound control circuit carries out acoustics control, send into left voice box chamber, right voice box chamber in the display screen, in order to plug-in type audio amplifier original sound also by the audio signal of external world's input; Clock sync signal is delivered to left functional compartments, sends into clock control/function remote control module realization sound after corresponding low frequency interface circuit conversion, as the remote control adjustment of synchronous and various Presentation Functions; Display is given the main frame that outreaches by the low-frequency bus of left functional compartments with the corresponding direct current voltage supply of internal power supply module; The function control room is provided with the complete machine mains switch, menu mode shows the regulating and controlling button, for manual adjustments;
Main frame comprises: mainframe box and place composite video signal receptions/frequency-variable module in it, put, detection, D/A handover module TV A/V signal decoding module entirely, clock sync signal control module, host power supply module, multi-functional expansion slot in the full TV;
Mainframe box comprises host backplane, host backplane; Host backplane is provided with the relevant circuit and the line stretcher mouth of the mutual transmission, distribution and the control that are used for each intermodule signal; Host backplane is provided with the input/output circuitry that is used for each module by signal, the monomer and the grouping circuits interface of signal output/input;
Composite video signal is input to composite video signal reception/frequency-variable module by the RF interface of host backplane, through height put, the full tv-if signal of output medium-frequency IF behind the channel tuner, frequency conversion, this signal one tunnel through the output of host backplane interface for online usefulness; Another road deliver in the full TV of subordinate through host backplane put, detection, D/A handover module carry out D/A and distinguish, and switch to corresponding intermediate-frequency circuit and carry out signal amplification, decompress(ion)/demodulation, video detection, output video/audio base-band A/V and composite synchronizing signal PT; A/V base band and composite synchronizing signal PT one tunnel supply online usefulness through host backplane interface output A/V video/audio signal and clock sync signal; Another road is delivered to the full TV A/V of subordinate signal decoding module through host backplane analog or digital video/audio signal is decoded, and exports the A/V signal of various reference formats; The A/V video/audio signal is exported monomer A/V signal or is exported comprehensive video/audio signal by low-frequency bus and video bus through host backplane; The clock sync signal control module is for main frame provides composite synchronizing signal PT, guarantees to put in the full TV, the synchronous working of detection, D/A handover module and full TV A/V signal decoding module; Multi-functional expansion slot is for the installation function expansion module; The host power supply module provides dc supply for each module in the main frame.
Put in described composite video signal reception/frequency-variable module, the full TV, detection, D/A handover module, full TV A/V signal decoding module be used to simulate standard.Described composite video signal reception/frequency-variable module is put in the full TV, detection, D/A handover module, and full TV A/V signal decoding module is used for digital standard.Be equipped with in the described multi-functional expansion slot: built-in PC mainboard, DVD drive/storage hard disk; D/A television audio signal encoder/acquisition module; STB set-top box module.
Compared with prior art, the invention has the advantages that this image system is made up of main frame, display two large divisions, system adopts split type module combinations structure, based on advanced person's the end, backplane interconnect technology, bus control technology and the design of distributed extensibility; System possesses computerized intelligent management and scalable preparation function.
Description of drawings
Fig. 1 is a general structure schematic diagram of the present invention;
Fig. 2 is the general structure circuit block diagram of the embodiment of the invention 1;
Fig. 3 is embodiments of the invention 2 host circuit block diagrams;
Fig. 4 is embodiments of the invention 3 host circuit block diagrams;
Fig. 5 is embodiments of the invention 4 host circuit block diagrams.
Embodiment
Embodiment describes in further detail the present invention below in conjunction with accompanying drawing.
As shown in Figure 1 and Figure 2, a kind of multimedia image system comprises main frame, the display that is connected by low-frequency bus, video bus with main frame.Display comprises: display screen 1 and place comprehensive power module 2 in it, look and put display module 4, display mode control module 3, clock control/function remote control module 5, left voice box chamber 61, right voice box chamber 62, left functional compartments 7, right functional compartments 8, function control room 9;
Described left functional compartments 7 be used for main frame between power supply, audio frequency, the bus of clock control signal be connected; Right functional compartments 8 be used for main frame between the bus of various video signal be connected;
Display screen 1 provides each road normal working voltage by comprehensive power module 2, vision signal by external world's input is delivered to right functional compartments 8, after corresponding video interface circuit conversion, send into to look and put display module 4 and carry out video and amplify, through the imaging modality of display mode control module 3 regulation and control images, send into the display screen of having lighted 1 and realize that image shows; Simultaneously deliver to left functional compartments 7 and after the sound control circuit carries out acoustics control, send into left voice box chamber 61, right voice box chamber 62 display screen 1 in, prepare against also original sound of plug-in type audio amplifier by the audio signal of external world's input; Clock sync signal is delivered to left functional compartments 7, sends into clock control/function remote control module 5 realization sound after corresponding low frequency interface circuit conversion, as the remote control adjustment of synchronous and various Presentation Functions; Display is given the main frame that outreaches by the low-frequency bus of left functional compartments 7 with the corresponding direct current voltage supply of internal power supply module; Function control room 9 is provided with the complete machine mains switch, menu mode shows the regulating and controlling button, for manual adjustments;
Main frame comprises: mainframe box and place composite video signal reception/frequency-variable module 11 in it, put in the full TV, detection, D/A handover module 12, full TV A/V signal decoding module 13, clock sync signal control module 14, host power supply module 15, multi-functional expansion slot 16;
Mainframe box comprises host backplane 101, host backplane 102; Host backplane 101 is provided with the relevant circuit and the line stretcher mouth of the mutual transmission, distribution and the control that are used for each intermodule signal; Host backplane 102 is provided with the input/output circuitry that is used for each module by signal, the monomer and the grouping circuits interface of signal output/input;
Composite video signal is input to composite video signal reception/frequency-variable module 11 by the RF interface of host backplane 102, through height put, output intermediate frequency composite video signal IF behind the channel tuner, frequency conversion, this signal one tunnel through the output of host backplane 102 interfaces for online usefulness; Another road deliver in the full TV of subordinate through host backplane 101 put, detection, D/A handover module 12 carry out D/A and distinguish, and switch to corresponding intermediate-frequency circuit and carry out signal amplification, decompress(ion)/demodulation, video detection, output video/audio base-band A/V and composite synchronizing signal PT; A/V base band and composite synchronizing signal PT one tunnel supply online usefulness through host backplane 102 interfaces output A/V video/audio signal and clock sync signal; Another road is delivered to 13 pairs of analog or digital video/audios of the full TV A/V of subordinate signal decoding module signal through host backplane 101 and is decoded, and exports the A/V signal of various reference formats; The A/V video/audio signal is exported comprehensive video/audio signal through host backplane 102 output monomer A/V signals or by low-frequency bus and video bus; Clock sync signal control module 14 is for main frame provides composite synchronizing signal PT, guarantees to put in the full TV, detection, D/A handover module 12 synchronous working of full TV A/V signal decoding module 13 and each function expanding module; Multi-functional expansion slot 16 is for the installation function expansion module; Host power supply module 15 provides dc supply for each module in the main frame.
Low-frequency bus is finished the low frequency signal of main frame and external display unit, as bi-directional, distribution and the control of audio frequency, clock sync signal, multi-channel DC working power; The video/data bus is finished I/O bi-directional, distribution and the control of the various mode video signals of main frame and display.
Put in described composite video signal reception/frequency-variable module 11, the full TV, detection, D/A handover module 12, full TV A/V signal decoding module 13 be used to simulate standard.
Put in described composite video signal reception/frequency-variable module 11, the full TV, detection, D/A handover module 12, full TV A/V signal decoding module 13 be used for digital standard.
As shown in Figure 3, a kind of multimedia image system, the display that comprises main frame, is connected by low-frequency bus, video bus with main frame.Display circuit is identical with embodiment's 1, main frame also comprises: configuration built-in PC mainboard 17 and DVD drive/storage hard disk 18 in the multi-functional expansion slot 16, this is that a height that supplies multimedia to select for use is joined module, can carry out various system controlled by computer to native system by injecting embedded OS software.Be solidified with function cards such as video card, sound card, network interface card on the built-in PC mainboard 17; Be connected with peripheral hardware by interfaces such as the USB on the backboard, RJ45, PS2, VGA, Y/C component, S-VIDEO, LIN, TEL, MIC, serial/parallel row; I/O peripheral hardwares such as the keyboard that is equipped with, mouse, with possess network sound, as the A/V interactive function.DVD drive/storage hard disk 18 is an input-output apparatus, also is a memory device, carries out bus by host backplane and each module and connects access and the storage that realizes video/audio.CD-ROM drive and hard disk can be built-in at main frame, also can be plug-in, and DVD drive also can be configured to the lightscribe form of I/O.
As shown in Figure 4, a kind of multimedia image system, the display that comprises main frame, is connected by low-frequency bus, video bus with main frame.Display circuit is identical with embodiment's 1, main frame is also comprising on the basis of embodiment 2: also be provided with D/A television audio signal encoder/acquisition module 19 in multi-functional expansion slot 16, it matches with built-in PC mainboard 17 and DVD drive/storage hard disk 18 in the machine that the condition that satisfies digital television signal receives and the computer stunt of multimedia A/V signal is handled, gathers, stored and broadcast.D/A television audio signal encoder/acquisition module 19 is a number, mould A/V signal encoding, acquisition module, it is by host keyboard and mouse input instruction, finish from various video/audio signal sources, as numeral, simulation, digital video camcorder, DVD, scanner, network sound, carry out source encoding image data information as multi-media signals such as, figure, literary composition etc. or digital pictures, to deposit in this machine or the plug-in hard disk through the digital A/V signal of coding easily, and also the A/V data carving can be preserved and propagated to DVD.
As shown in Figure 5, a kind of multimedia image system, the display that comprises main frame, is connected by low-frequency bus, video bus with main frame.Display circuit is identical with embodiment's 1, and main frame is also comprising on the basis of embodiment 3: also be provided with STB set-top box 20 in multi-functional expansion slot 16.The condition that realizes digital television signal receives and by host keyboard and mouse input instruction, finish from various video/audio signal sources, as numeral, simulation, digital video camcorder, DVD, scanner, network sound, as the mutual propagation of multi-media signals such as, figure, literary composition.
The source program of digital TV set-top box is loaded in the internal memory of PC mainboard in the machine.After powering up startup, each chip carries out electrification reset, finishes soft, hardware initialization, and sets up a plurality of progresses of work.The multi-process pattern makes master cpu can handle a plurality of workflows simultaneously, can also carry out the Communication Control between process.After system finished initialization, the user selected channel by remote controller, and master cpu response remote command is provided with tuner by the I2C bus, made tuner output intermediate-freuqncy signal.After the intermediate-freuqncy signal channel demodulator processes, output TS stream.PID filter realization TS stream is separated multiple connection in the master cpu, relevant ES or PES flow point is not sent into audio/video decoder, final output audio and vision signal.The digitlization process of the communication technology makes the industry boundary line between television broadcasting, computer network and the digital communication become more and more fuzzyyer, and this system develops according to the characteristics that the three not only interpenetrates but also merges each other.Under this background, following digital TV set-top box function will more become perfect.
In addition, can also organically make up and decompose according to the various modules of structure needs of product, as: composite video signal is received/put in frequency-variable module 11 and the full TV, detection, D/A handover module 12 and two be one; Clock sync signal control module 14 is solidificated on the base plate.
Claims (9)
1, a kind of multimedia image system comprises main frame, with main frame by the display that low-frequency bus, video bus are connected, it is characterized in that:
A) display comprises: display screen (1) and place comprehensive power module (2) in it, look and put display module (4), display mode control module (3), clock control/function remote control module (5), left voice box chamber (61), right voice box chamber (62), left functional compartments (7), right functional compartments (8), function control room (9);
Described left functional compartments (7) be used for main frame between power supply, audio frequency, the bus of clock control signal be connected; Right functional compartments (8) be used for main frame between the bus of various video signal be connected;
Display screen (1) provides each road normal working voltage by comprehensive power module (2), vision signal by external world's input is delivered to right functional compartments (8), after corresponding video interface circuit conversion, send into to look and put display module (4) and carry out video and amplify, through the imaging modality of display mode control module (3) regulation and control image, send into the display screen of having lighted (1) and realize that image shows; Simultaneously deliver to left functional compartments (7) and after the sound control circuit carries out acoustics control, send into left voice box chamber (61), right voice box chamber (62) display screen (1) in, prepare against also original sound of plug-in type audio amplifier by the audio signal of external world's input; Clock sync signal is delivered to left functional compartments (7), sends into clock control/function remote control module (5) realization sound after corresponding low frequency interface circuit conversion, as the remote control adjustment of synchronous and various Presentation Functions; Display is given the main frame that outreaches by the low-frequency bus of left functional compartments with the corresponding direct current voltage supply of internal power supply module; Function control room (9) is provided with the complete machine mains switch, menu mode shows the regulating and controlling button, for manual adjustments;
B) main frame comprises: mainframe box and place composite video signal reception/frequency-variable module (11) in it, put in the full TV, detection, D/A handover module (12), full TV A/V signal decoding module (13), clock sync signal control module (14), host power supply module (15), multi-functional expansion slot (16);
Mainframe box comprises host backplane (101), host backplane (102); Host backplane (101) is provided with the relevant circuit and the line stretcher mouth of the mutual transmission, distribution and the control that are used for each intermodule signal; Host backplane (102) is provided with the input/output circuitry that is used for each module, the monomer and the grouping circuits interface of signal output/input;
Composite video signal is input to composite video signal reception/frequency-variable module (11) by the RF interface of host backplane (102), through height put, output intermediate frequency composite video signal IF behind the channel tuner, frequency conversion, this signal one tunnel through the output of host backplane (102) interface for online usefulness; Another road deliver in the full TV of subordinate through host backplane (101) put, detection, D/A handover module (12) carry out D/A and distinguish, and switch to corresponding intermediate-frequency circuit and carry out signal amplification, decompress(ion)/demodulation, video detection, output video/audio base-band A/V and composite synchronizing signal PT; A/V base band and composite synchronizing signal PT one tunnel supply online usefulness through host backplane (102) interface output A/V video/audio signal and clock sync signal; Another road is delivered to the full TV A/V of subordinate signal decoding module (13) through host backplane (101) analog or digital video/audio signal is decoded, and exports the A/V signal of various reference formats; The A/V video/audio signal is exported comprehensive video/audio signal through host backplane (102) output monomer A/V signal or by low-frequency bus and video bus; Clock sync signal control module (14) is for main frame provides composite synchronizing signal PT, guarantees to put in the full TV, detection, D/A handover module (12) synchronous working of full TV A/V signal decoding module (13) and each function expanding module; Multi-functional expansion slot (16) is for the installation function expansion module; Host power supply module (15) provides dc supply for each module in the main frame.
2, multimedia image system as claimed in claim 1, it is characterized in that: described composite video signal reception/frequency-variable module (11), put in the full TV, detection, D/A handover module (12), full TV A/V signal decoding module (13) is used to simulate standard.
3, multimedia image system as claimed in claim 1, it is characterized in that: described composite video signal reception/frequency-variable module (11), put in the full TV, detection, D/A handover module (12), full TV A/V signal decoding module (13) is used for digital standard.
4, multimedia image system as claimed in claim 2 is characterized in that: built-in PC mainboard (17), DVD drive/storage hard disk (18) are installed in the multi-functional expansion slot (16).
5, multimedia image system as claimed in claim 3 is characterized in that: built-in PC mainboard (17), DVD drive/storage hard disk (18) are installed in the multi-functional expansion slot (16).
6, multimedia image system as claimed in claim 4 is characterized in that: D/A television audio signal encoder/acquisition module (19) is installed in the multi-functional expansion slot (16).
7, multimedia image system as claimed in claim 5 is characterized in that: D/A television audio signal encoder/acquisition module (19) is installed in the multi-functional expansion slot (16).
8, multimedia image system as claimed in claim 6 is characterized in that: STB set-top box (20) is installed in the multi-functional expansion slot (16).
9, multimedia image system as claimed in claim 7 is characterized in that: STB set-top box (20) is installed in the multi-functional expansion slot (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100674458A CN100356774C (en) | 2004-10-22 | 2004-10-22 | Multimedia image system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100674458A CN100356774C (en) | 2004-10-22 | 2004-10-22 | Multimedia image system |
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| Publication Number | Publication Date |
|---|---|
| CN1697496A CN1697496A (en) | 2005-11-16 |
| CN100356774C true CN100356774C (en) | 2007-12-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2004100674458A Expired - Fee Related CN100356774C (en) | 2004-10-22 | 2004-10-22 | Multimedia image system |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104767950B (en) * | 2014-11-08 | 2019-01-08 | 晶晨半导体(上海)股份有限公司 | Card insert type TV |
| CN109947187A (en) * | 2019-03-28 | 2019-06-28 | 联想(北京)有限公司 | A kind of electronic equipment |
| CN114999244B (en) * | 2022-08-02 | 2022-12-06 | 长沙朗源电子科技有限公司 | Education all-in-one machine and OPS host audio control method thereof |
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| JPH05300444A (en) * | 1992-04-21 | 1993-11-12 | Fujitsu General Ltd | Tuner card for personal computer |
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Patent Citations (5)
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| JPH03165676A (en) * | 1989-11-24 | 1991-07-17 | Seiko Epson Corp | Personal computer television tuner device |
| CN2081609U (en) * | 1990-10-20 | 1991-07-24 | 沈玲芳 | Shared antenna tv system automatic controller |
| JPH05300444A (en) * | 1992-04-21 | 1993-11-12 | Fujitsu General Ltd | Tuner card for personal computer |
| CN2262318Y (en) * | 1996-07-10 | 1997-09-10 | 李正茂 | Remote controller special for projection projector to receive broadcast Television |
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Non-Patent Citations (1)
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