CN217241003U - PC digital audio and video working circuit and system - Google Patents
PC digital audio and video working circuit and system Download PDFInfo
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- CN217241003U CN217241003U CN202123197358.2U CN202123197358U CN217241003U CN 217241003 U CN217241003 U CN 217241003U CN 202123197358 U CN202123197358 U CN 202123197358U CN 217241003 U CN217241003 U CN 217241003U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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Abstract
The embodiment of the utility model discloses PC digital audio frequency and video working circuit and system, PC digital audio frequency and video working circuit include position sensor, at least one audio rhythm color lamp, at least one video rhythm color lamp, display drive circuit and lamp effect display drive circuit, and display drive circuit's signal acquisition end is connected with position sensor. The first drive signal access end of the lamp effect display drive circuit is connected with the audio rhythm output end of the display drive circuit, the second drive signal access end of the lamp effect display drive circuit is connected with the video rhythm output end of the display drive circuit, the video rhythm color lamp drive end of the lamp effect display drive circuit is connected with the input end of at least one video rhythm color lamp, and the audio rhythm color lamp drive end of the lamp effect display drive circuit is connected with the input end of at least one audio rhythm color lamp. The utility model provides an among the prior art light display effect can't carry out interactive technical problem's problem with the actual display content.
Description
Technical Field
The utility model relates to a light shows technical field, especially relates to a PC digital audio and video working circuit and system.
Background
With the development of the technology, the development of the light driving in the display technology field is also faster, and in the prior art, when the equivalent setting is performed, the conventional fixed mode light effect is generally realized through a preset program.
For example, the interval time flicker and the interval time color change are basically realized by a fixed driving program, the fixed driving program causes the light display effect to be fixed, the light mode is from the beginning to the end, and when the video is watched, the light effect is independent of the scenes of the movie and the game, and scene interaction cannot be realized.
SUMMERY OF THE UTILITY MODEL
The utility model provides a PC digital audio frequency and video working circuit for solve among the prior art light display effect can't carry out interactive technical problem with actual display content.
In order to achieve the above object, the utility model provides a PC digital audio and video operating circuit, PC digital audio and video operating circuit includes:
at least one sound effect rhythm colored lamp;
at least one video rhythm colored light;
the position sensor is used for acquiring the position information of the video rhythm colored lamp on the actual display panel;
the display driving circuit is provided with a signal acquisition end, an audio rhythm output end and a video rhythm output end, the signal acquisition end of the display driving circuit is connected with the position sensor, the display driving circuit is used for accessing a digital audio signal and a digital video signal, determining a video RGB signal corresponding to each video rhythm colored lamp according to the input digital video signal and the position information, and outputting a corresponding gain signal according to the decibel of the input digital audio signal;
the lamp effect display driving circuit is provided with a first driving signal access end, a second driving signal access end, a video rhythm color lamp driving end and an audio rhythm color lamp driving end, the first drive signal access end of the lamp effect display drive circuit is connected with the audio rhythm output end of the display drive circuit, the second drive signal access end of the lamp effect display drive circuit is connected with the video rhythm output end of the display drive circuit, the driving end of the video rhythm color lamp of the lamp effect display driving circuit is connected with the input end of at least one video rhythm color lamp, the driving end of the audio rhythm color lamp of the lamp effect display driving circuit is connected with the input end of at least one audio rhythm color lamp, and the audio frequency drive signal output corresponding to the gain signal is used for driving the sound effect rhythm color lamp to work.
Optionally, the PC digital audio/video working circuit further includes a PC host having an audio/video signal output terminal, the display driving circuit further includes a video signal input terminal, and the audio/video signal output terminal of the PC host is connected to the video signal input terminal of the display driving circuit;
and the PC host is used for outputting digital audio signals and digital video signals.
Optionally, the PC digital audio/video working circuit further includes a first USB circuit, and the audio/video signal output terminal of the PC host is connected to the video signal input terminal of the display driving circuit through the first USB circuit.
Optionally, the first USB circuit includes a first USB chip, and the model of the first USB chip is CH 340.
Optionally, the display driving circuit includes a control chip, and the model of the control chip is AD 83586B.
Optionally, the PC digital audiovisual working circuit further includes a second USB circuit, the first driving signal input end of the lamp effect display driving circuit is connected to the audio rhythm output end of the display driving circuit through the second USB circuit, and the second driving signal input end of the lamp effect display driving circuit is connected to the video rhythm output end of the display driving circuit through the second USB circuit.
Optionally, the second USB circuit includes a second USB chip, and the model of the second USB chip is GL3523-QFN 76.
Optionally, the lamp effect display driving circuit comprises a lamp effect driving board, and the model of the lamp effect driving board is CX32L 003.
In order to achieve the above object, the present application also proposes a PC digital audio working system, which includes the PC digital audio working system as described above.
Implement the embodiment of the utility model provides a, will have following beneficial effect:
after the PC digital audio and video working circuit is adopted, the position information of the video rhythm color lamps on an actual display panel is acquired through the position acquisition sensor, the display driving circuit is accessed to digital audio signals and digital video signals, and is also used for determining each video RGB signal corresponding to the video rhythm color lamps according to the input digital video signals and the position information, and is also used for outputting corresponding gain signals according to decibels of the input digital audio signals, the light effect display driving circuit is used for outputting corresponding video RGB driving signals according to the video RGB signals to drive the video rhythm color lamps to work, and is also used for outputting corresponding audio driving signals according to the gain signals to drive the sound effect rhythm color lamps to work. According to the scheme, the driving signals of the video rhythm color lamp and the sound effect rhythm color lamp are changed in real time according to the digital audio signal and the digital video signal through the circuit, so that the technical problem that the light display effect cannot be interacted with actual display content in the prior art is solved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Wherein:
FIG. 1 is a block diagram of a digital audio/video working circuit of a PC in one embodiment;
fig. 2 is a schematic block diagram of a digital audio/video working circuit of a PC in one embodiment.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In order to solve the technical problem that light display effect can't carry out the interaction with actual display content among the prior art, the utility model provides a PC digit audio frequency and video working circuit to solve among the prior art light display effect can't carry out interactive technical problem with actual display content.
In one embodiment, as shown in fig. 1, the PC digital audio/video working circuit includes a position sensor 10, at least one audio rhythm color lamp 40, at least one video rhythm color lamp 50, a display driving circuit 20, and a light effect display driving circuit 30, the display driving circuit 20 has a signal collecting terminal, an audio rhythm output terminal, and a video rhythm output terminal, the signal collecting terminal of the display driving circuit 20 is connected to the position sensor 10, and the display driving circuit 20 is used for accessing a digital audio signal and a digital video signal. The lamp effect display driving circuit 30 is provided with a first driving signal access end, a second driving signal access end, a video rhythm color lamp 50 driving end and an audio rhythm color lamp driving end, the first driving signal access end of the lamp effect display driving circuit 30 is connected with the audio rhythm output end of the display driving circuit 20, the second driving signal access end of the lamp effect display driving circuit 30 is connected with the video rhythm output end of the display driving circuit 20, the video rhythm color lamp 50 driving end of the lamp effect display driving circuit 30 is connected with at least one input end of the video rhythm color lamp 50, and the audio rhythm color lamp driving end of the lamp effect display driving circuit 30 is connected with at least one input end of the audio rhythm color lamp 40.
The position sensor 10 obtains the position information of the video rhythm color lamp 50 on the actual display panel. The display driving circuit 20 is used for accessing a digital audio signal and a digital video signal, the display driving circuit 20 determines each of the video RGB signals corresponding to the video rhythm color lamps 50 according to the input digital video signal and the position information, the display driving circuit 20 is further used for outputting a corresponding gain signal according to decibels of the input digital audio signal, and the light effect display driving circuit 30 outputs a corresponding video RGB driving signal according to the video RGB signal to drive the video rhythm color lamps 50 to work, and is further used for outputting a corresponding audio driving signal according to the gain signal to drive the audio rhythm color lamps 40 to work. Through the embodiment, the driving signals of the video rhythm color lamp 50 and the sound effect rhythm color lamp 40 are changed in real time according to the digital audio signal and the digital video signal through the circuit, so that the interaction between the lamplight display effect and the actual display content is realized.
The position information of the video rhythm colored lamp 50 on the actual display panel can be located to the pixel point of the actual display panel.
It should be noted that, the display driving circuit 20 determines the video RGB signals corresponding to each of the video rhythm color lamps 50 according to the input digital video signals and the position information, and is further configured to output the corresponding gain signals according to decibels of the input digital audio signals, and implement the technical scheme of the present application by acquiring the video RGB signals of the actual display panel at the position corresponding to the color lamps, for example, a plurality of video RGB signal collecting terminals are further provided at the display driving circuit 20, the position of the video RGB signal collecting terminal is set to a pixel point at the position corresponding to the position of the color lamps on the actual display panel, and the video RGB signal collecting terminal is connected to the RGB signal input terminal of the pixel point, so that synchronization of the video RGB signals can be implemented. In addition, the pixel position signal of the corresponding display can be determined by determining the position information of the video rhythm color lamp 50, and the video RGB (red (R), green (G), blue (B)) signals of the display panel and the position corresponding to the color lamp are read by combining the row and column driving mode of the display panel in the prior art, it should be noted that the reading process can determine the video RGB signal determination mode according to different display panel driving circuits, the most basic distance is to determine the pixel point of the position of the actual display panel according to the video rhythm color lamp 50, and perform the corresponding video RGB signal collection end connection after determining the coordinates and the row and column driving lines, thereby realizing the collection of the video RGB signals. Based on the above process, some real panel testing procedures in the prior art can be adopted to collect the video RGB signals of the pixel points corresponding to the positions of the video rhythm color lamps 50.
In addition, the gain is determined according to the digital audio signal, and the gain can be converted through a conversion formula between audio and gain in the prior art, so that the magnitude of the gain signal is obtained, and according to the gain driving color lamp principle, for example, 100 lamps are driven by 0-100 dB/gain value, so that one dB/gain value corresponds to one lamp precision; corresponding to 50 lamps, 2 decibels corresponding to 1 lamp; 20 lamps, 5 db/gain values for one lamp; when lamps which are not integer multiples are encountered, the mapping relation is segmented, corresponding 46 lamps are added, the front 6 lamps correspond to 0-20 dB/gain value, and the rear 40 lamps correspond to 20-100 dB/gain value, so that the mapping relation can be set according to the requirements of users.
In an embodiment, as shown in fig. 2, the PC digital audio/video working circuit further includes a PC (personal computer) host 60 having an audio/video signal output terminal, the display driving circuit 20 further includes a video signal input terminal, and the audio/video signal output terminal of the PC host 60 is connected to the video signal input terminal of the display driving circuit 20.
The PC host 60 outputs a fixed format of digital audio signal and digital video signal. By processing the digital audio signal and the digital video signal output by the PC host 60, since the digital audio signal and the digital video signal have high stability, the subsequent signal processing is realized based on the digital audio signal and the digital video signal, so that the stability of the subsequent signal processing process can be increased. And can directly interact with the digital audio signal and the digital video signal of the PC host 60 in real time based on the light effect.
In an embodiment, as shown in fig. 2, the PC digital audio/video operating circuit further includes a first USB circuit 70, and an audio/video signal output terminal of the PC host 60 is connected to a video signal input terminal of the display driving circuit 20 through the first USB circuit 70.
At this time, the first USB circuit 70 can realize fast and stable transmission of the digital audio signal and the digital video signal, and avoid signal loss and instability during transmission. In addition, the signal transmission is performed through the first USB circuit 70, which can improve the signal transmission speed and facilitate the subsequent program upgrade of the display driving circuit by the PC host 60.
In one embodiment, the first USB circuit 70 includes a first USB chip, and the model of the first USB chip is CH 340. The CH340 is a serial port conversion chip, has low cost, is easy to obtain, and can quickly perform signal interaction between different serial ports. And can be compatible with the serial application program of the PC host 60, thereby realizing better signal interaction effect.
In one embodiment, the display driving circuit 20 includes a control chip, which is model number AD 83586B.
The AD83586B is only used for providing a specific embodiment to realize the technical scheme of the application, when the AD83586B is adopted, the method can be suitable for various types of displays on the market, the existing displays are not required to be changed greatly, only the change of some circuits and the addition of modules are carried out on the basis of the hardware of the existing displays, the interaction of sound effects can be effectively realized, and when the AD83586B is adopted, a better interaction effect can be realized. It should be noted that the AD83586B is not intended to limit the scope of the present application, and in this case, other display driving circuits 20 may be used to implement the present application.
In one embodiment, as shown in fig. 2, the PC digital audiovisual working circuit further includes a second USB circuit 80, the first driving signal input terminal of the light effect display driving circuit 30 is connected to the audio rhythm output terminal of the display driving circuit 20 through the second USB circuit 80, and the second driving signal input terminal of the light effect display driving circuit 30 is connected to the video rhythm output terminal of the display driving circuit 20 through the second USB circuit 80.
The second USB circuit 80 is disposed to facilitate stable transmission of signals between the display driving circuit 20 and the lamp effect display driving circuit 30. It should be noted that, the display driving circuit 20 actually needs to output the video RGB driving signal and the audio driving signal to different driving signal input terminals of the light effect display driving circuit 30, and the driving signals of the two driving signals are different, so that by installing the second USB circuit 80 at this time, the accuracy of the signals in the transmission process of the video RGB driving signal and the audio driving signal can be improved, and when the video RGB driving signal and the audio driving signal are multiplexed, the connection of the branch circuits can be facilitated.
In one embodiment, the second USB circuit 80 includes a second USB chip having a model number GL3523-QFN 76. At this time, GL3523-QFN76 has the characteristic of high-speed transmission, and signal transmission between the display driving circuit 20 and the light effect display driving circuit 30 is performed through the second USB chip, so that fast light effect control can be realized, and since the display pictures change according to frames and the change speed thereof is fast, fast transmission of driving signals is performed through GL3523-QFN76, so that it can be ensured that the light effect display follows the display pictures and the audio signal changes, thereby realizing effective interaction, and avoiding delayed interaction and asynchronous light effects caused by signal delay.
In one embodiment, the lighting effect display driving circuit 30 includes a lighting effect driving board, and the model of the lighting effect driving board is CX32L 003. Firstly, the lamp effect display driving circuit 30 is realized by adopting a lamp effect driving board lamp effect display driving circuit 30, the lamp effect circuit can be simplified, and the expansion and the connection of the subsequent lamp effect display driving circuit 30 are convenient, because a chip which is stably researched and developed is adopted, the complexity and the research and development cost of the circuit can be reduced, in addition, the micro-controller with the model CX32L003 has the advantages of ultra-low power consumption, LowPinCount, wide voltage working range (2.4V-5.5V) and the like, and the micro-controller is applied to the lamp effect driving board, the lamp effect interaction can be realized with smaller cost, the working voltage and the power consumption are smaller, and the extra burden on the normal operation of a display panel or a PC host 60 is not worried about.
The utility model discloses still provide a PC digital audio frequency operating system, PC digital audio frequency operating system includes as above PC digital audio frequency and video operating circuit.
It should be noted that, since the PC digital audio working system of the present application includes all the steps of the above-mentioned PC digital audio/video rhythm control method, the PC digital audio working system can also implement all the schemes of the PC digital audio/video working circuit, and has the same beneficial effects, and details are not described herein again.
The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the invention, which is defined by the appended claims.
Claims (9)
1. A PC digital audio/video working circuit, characterized in that, the PC digital audio/video working circuit includes:
at least one sound effect rhythm colored lamp;
at least one video rhythm colored light;
the position sensor is used for acquiring the position information of the video rhythm colored lamp on the actual display panel;
the display driving circuit is provided with a signal acquisition end, an audio rhythm output end and a video rhythm output end, the signal acquisition end of the display driving circuit is connected with the position sensor, the display driving circuit is used for accessing a digital audio signal and a digital video signal, determining a video RGB signal corresponding to each video rhythm colored lamp according to the input digital video signal and the position information, and outputting a corresponding gain signal according to the decibel of the input digital audio signal;
the lamp effect display driving circuit is provided with a first driving signal access end, a second driving signal access end, a video rhythm color lamp driving end and an audio rhythm color lamp driving end, the first drive signal access end of the lamp effect display drive circuit is connected with the audio rhythm output end of the display drive circuit, the second drive signal access end of the lamp effect display drive circuit is connected with the video rhythm output end of the display drive circuit, the driving end of the video rhythm color lamp of the lamp effect display driving circuit is connected with the input end of at least one video rhythm color lamp, the driving end of the audio rhythm color lamp of the lamp effect display driving circuit is connected with the input end of at least one audio rhythm color lamp, and the audio frequency drive signal output corresponding to the gain signal is used for driving the sound effect rhythm color lamp to work.
2. The PC digital audio/video operating circuit of claim 1, further comprising a PC host having an audio/video signal output, the display driver circuit further comprising a video signal input, the audio/video signal output of the PC host being connected to the video signal input of the display driver circuit;
and the PC host is used for outputting digital audio signals and digital video signals.
3. The PC digital audio visual operating circuit of claim 2 further comprising a first USB circuit through which an audio visual signal output of the PC host is connected to a video signal input of the display driver circuit.
4. The PC digital audio-video working circuit according to claim 3, wherein the first USB circuit comprises a first USB chip, the first USB chip having a model of CH 340.
5. The PC digital audio/video operating circuit of claim 1, wherein the display driver circuit includes a control chip having a model number AD 83586B.
6. The PC digital audio-video operating circuit of claim 1, further comprising a second USB circuit, wherein the first drive signal input of the lamp effect display drive circuit is connected to the audio rhythm output of the display drive circuit via the second USB circuit, and the second drive signal input of the lamp effect display drive circuit is connected to the video rhythm output of the display drive circuit via the second USB circuit.
7. The PC digital audio/video operating circuit of claim 6, wherein the second USB circuit comprises a second USB chip having a model number of GL3523-QFN 76.
8. The PC digital audio/video operating circuit according to claim 1, wherein the lamp effect display driver circuit comprises a lamp effect driver board of model CX32L 003.
9. A PC digital audio working system, characterized in that it comprises a PC digital audio working system according to any of claims 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123197358.2U CN217241003U (en) | 2021-12-17 | 2021-12-17 | PC digital audio and video working circuit and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123197358.2U CN217241003U (en) | 2021-12-17 | 2021-12-17 | PC digital audio and video working circuit and system |
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| Publication Number | Publication Date |
|---|---|
| CN217241003U true CN217241003U (en) | 2022-08-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123197358.2U Active CN217241003U (en) | 2021-12-17 | 2021-12-17 | PC digital audio and video working circuit and system |
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| CN (1) | CN217241003U (en) |
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- 2021-12-17 CN CN202123197358.2U patent/CN217241003U/en active Active
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