CN201365301Y - Device for processing video signals and television provided with device - Google Patents
Device for processing video signals and television provided with device Download PDFInfo
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- CN201365301Y CN201365301Y CNU200920006372XU CN200920006372U CN201365301Y CN 201365301 Y CN201365301 Y CN 201365301Y CN U200920006372X U CNU200920006372X U CN U200920006372XU CN 200920006372 U CN200920006372 U CN 200920006372U CN 201365301 Y CN201365301 Y CN 201365301Y
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Abstract
The utility model discloses a device for processing video signals and a television provided with device, which relate to the technical field of signal processing. The device and the television are invented for solving the problem in the prior art that the display effects of a main picture and a sub-picture are not consistent since the video signal processing time sequences of a sub-picture video signal and a main picture video signal are different. The device for processing the video signals, which is provided by the embodiment of the utility model, comprises a signal receiving unit for receiving the main picture video signal and the sub-picture video signal, a zooming unit for zooming the main picture video signal and the sub-picture video signal respectively, a signal processing unit for processing the main picture video signal and the sub-picture video signal after zooming through mixing video signals. When the device and the television are adopted, the display effects of the main picture and the sub-picture can be guaranteed to be consistent.
Description
Technical field
The utility model relates to a kind of signal processing technology, relates in particular to a kind of Video signal processing device.
Background technology
At present, the channel displayed program is a key frame on the whole video screen, meanwhile can exist one or more wicket to show that the program of other channels is a sprite thereon, and the sound of output still is the sound of key frame.Like this, boss's picture that can show a plurality of channel programs on a display screen is called PIP (PICTURE IN PICTURE, picture-in-picture).Thus, from the PIP notion, also develop and another kind of POP (POCTURE ON PICTURE, picture out picture).The sprite that described picture out picture shows is the situation outside demonstration and the key frame, i.e. sprite demonstration does not cover key frame.For example: sprite can be arranged on side of key frame or the like.
Above-described PIP or POP are the processing of finishing sprite and main picture video signal by a plug-in sprite video frequency processing chip and Digital Video Processing chip respectively.The group picture signal is finished after decoding and PIP handle, and processing just can be input to the Digital Video Processing chip and the key frame data are carried out mixed processing through A/D again through handling the analog signal that generated with the sprite signal.
In the process that realizes this device, the inventor finds that there are the following problems at least in the prior art: prior art adopts plug-in sprite video frequency processing chip antithetical phrase picture video signal to carry out independent processing.After main picture video signal promotes processing by picture quality, superpose with the sprite vision signal and to mix, like this, just make the vision signal of sprite not carry out promoting processing with main picture video signal uniform images quality, sub-screen image quality and main picture image quality are inconsistent, thereby cause the sub-screen image quality to can not get guaranteeing that promptly there are the difference of each side such as color, saturation, definition in sprite and key frame, have caused sub-key frame display effect inconsistent.
The utility model content
In order to solve the above technical problem, the utility model provides a kind of Video signal processing device and has had the television set of this device.
A kind of Video signal processing device that the utility model provides, this device comprises:
Signal receiving unit is used to receive main picture video signal and sprite vision signal;
Unit for scaling is used for respectively main picture video signal and sprite vision signal being carried out convergent-divergent;
Signal processing unit is used for main picture video signal behind the described convergent-divergent and sprite vision signal are carried out the mixed video signal processing.
Further, described unit for scaling further comprises:
Sample frequency is provided with subelement, is used to be provided with the sample frequency of vision signal;
The convergent-divergent subelement is used for the sample frequency according to the vision signal of described setting, to main picture video signal and the sprite vision signal convergent-divergent of sampling.
Further, described signal processing unit further comprises:
Signal blend sub unit is used for main picture video signal behind the described convergent-divergent and sprite vision signal are mixed;
The image processing subelement is used for that described mixed vision signal is carried out picture quality and promotes processing;
Storing sub-units is used to store described through picture quality lifting processed video signal.
Further, described unit for scaling further comprises:
The parameter acquiring subelement is used to obtain key frame and sprite display parameters;
Described convergent-divergent subelement is used for the display parameters that obtain according to described, and main picture video signal and sprite vision signal are carried out convergent-divergent.
Further, described Video signal processing device also comprises:
The display mode acquiring unit is used to obtain key frame and sprite display mode.
A kind of television set that the utility model embodiment provides, this television set comprises:
The Video signal processing device; This device comprises: signal receiving unit is used to receive main picture video signal and sprite vision signal;
Unit for scaling is used for respectively main picture video signal and sprite vision signal being carried out convergent-divergent;
Signal processing unit is used for main picture video signal behind the described convergent-divergent and sprite vision signal are carried out the mixed video signal processing.
Further, described unit for scaling further comprises:
Sample frequency is provided with subelement, is used to be provided with the sample frequency of vision signal;
The convergent-divergent subelement is used for the sample frequency according to the vision signal of described setting, to main picture video signal and the sprite vision signal convergent-divergent of sampling.
Further, described signal processing unit further comprises:
Signal blend sub unit is used for main picture video signal behind the described convergent-divergent and sprite vision signal are mixed;
The image processing subelement is used for that described mixed vision signal is carried out picture quality and promotes processing;
Storing sub-units is used to store described through picture quality lifting processed video signal.
Further, described unit for scaling further comprises:
The parameter acquiring subelement is used to obtain key frame and sprite display parameters;
Described convergent-divergent subelement is used for the display parameters that obtain according to described, and main picture video signal and sprite vision signal are carried out convergent-divergent.
Further, described Video signal processing device also comprises:
The display mode acquiring unit is used to obtain key frame and sprite display mode.
A kind of Video signal processing device that the utility model embodiment provides and the television set with this device behind the main picture video signal and sprite vision signal difference convergent-divergent that will receive, carry out mixed video and handle.That is to say, main picture video signal and sprite vision signal are carried out unified vision signal processing, avoided in the difference processing procedure difference of treatment effect.Thereby make key frame and sprite video quality be consistent.With available technology adopting for a long time clock system main picture video signal carry out convergent-divergent with the sprite vision signal and compare, main picture video signal has also adopted identical sample frequency with the sprite vision signal among this device embodiment, be identical clock zone, control the convergent-divergent of main picture video signal and sprite vision signal.Like this, adopt the sample frequency control main picture video signal in single clock territory and the convergent-divergent of sprite vision signal, the clock number that makes this device embodiment adopt is few, and saves area and complexity that circuit is realized greatly.
Description of drawings
The example structure schematic diagram of a kind of Video signal processing device that Fig. 1 provides for the utility model;
The embodiment cellular construction schematic diagram of unit for scaling 102 in a kind of Video signal processing device that Fig. 2 provides for the utility model;
The embodiment cellular construction schematic diagram of signal processing unit 103 in a kind of Video signal processing device that Fig. 3 provides for the utility model;
The example structure schematic diagram of a kind of television set that Fig. 4 provides for the utility model.
Embodiment
A kind of Video signal processing device that the utility model is provided below in conjunction with accompanying drawing and the television set with this device are described in detail.
As shown in Figure 1, a kind of Video signal processing device that provides for the utility model embodiment; This device comprises:
Unit for scaling 102 is used for respectively main picture video signal and sprite vision signal being carried out convergent-divergent; The convergent-divergent process of this unit for scaling, specific as follows:
Main picture video signal and sprite vision signal are set carry out the sample frequency of the vision signal of convergent-divergent;
According to the sample frequency of described setting, described main picture video signal and sprite vision signal are carried out convergent-divergent.Wherein, the sample frequency of described setting is identical for described main picture video signal with the sprite vision signal, that is to say that sprite passage and key frame passage adopt single clock territory antithetical phrase picture video signal and main picture video signal to sample; But because the display property of sprite and key frame, the signal convergent-divergent circuit of the signal convergent-divergent circuit of sprite passage and key frame passage is distinguished to some extent.
Need to prove, in the process of carrying out described convergent-divergent, can also carry out corresponding convergent-divergent to described main picture video signal and sprite vision signal by obtaining key frame and sprite display parameters.
It should be noted that this device, also comprise: display mode acquiring unit 104 is used to obtain key frame and sprite display mode.
Wherein, described display mode is that actual needs according to the user is provided with the selection setting of user flexibility.For example: it is PIP or POP that the user can be provided with display mode.The display mode different according to PIP/POP, the content of initialization SDRAM (Synchronous Dynamic Random Access Memory, synchronous DRAM) corresponding Block (module).
As shown in Figure 2, unit for scaling 102 in a kind of Video signal processing device that provides for the utility model embodiment; This unit comprises:
Sample frequency is provided with subelement 201, is used to be provided with the sample frequency of vision signal;
Convergent-divergent subelement 202 is used for the sample frequency according to the vision signal of described setting, to main picture video signal and the sprite vision signal convergent-divergent of sampling.This subelement adopts is 422 the color difference components yuv data stream in single clock territory, can realize the function from bypass (bypass) to 1/16 downward convergent-divergent.In order to satisfy the requirement of the convenient control of sdram controller read-write enable signal, adopted the convergent-divergent subelement in single clock territory, the DE of output (Data Enable, data are effective) signal can be directly as the enable signal of writing of sdram controller.The single clock territory only adopts a clock promptly for Zoom module, makes its internal work have only a sample frequency.In soc (System on Chip, SOC (system on a chip)) chip, because the needs of its area and validation test will reduce clock internal quantity as far as possible.
It should be noted that this unit also comprises: parameter acquiring subelement 203 is used to obtain key frame and sprite display parameters; In the process of carrying out convergent-divergent, the utility model embodiment can also pass through IIC BUS (Inter-Integrated Circuit, two wire serial bus) and obtain key frame and sprite display parameters; According to the described display parameters that obtain, main picture video signal and sprite vision signal are carried out convergent-divergent.Described sprite display parameters comprise: sprite the window's position, size, number, and parameters such as window border width, window border color, background color, the distance between the sprite also can realize switching main, sprite.
Described convergent-divergent subelement can also be used for the display parameters that obtain according to described, and main picture video signal and sprite vision signal are carried out convergent-divergent.
As shown in Figure 3, signal processing unit 103 in a kind of Video signal processing device that provides for the utility model embodiment; This unit comprises:
Signal blend sub unit 301 is used for main picture video signal behind the described convergent-divergent and sprite vision signal are mixed;
Storing sub-units 303 is used to store described through picture quality lifting processed video signal.
The vision signal that it should be noted that described storage is all deposited with the form of 16bit 422 YUV is done 2 frames in SDRAM frame, has used 2 to write FIFO simultaneously, reads the buffer interface that FIFO realizes SDRAM and PIP/POP circuit for 10.This PIP/POP circuit is supported binary channels CVBS (Composite VideoBroadcast Signal, mixed video signal)/VGA (Video Graphics Array, demonstration drawing array) input of signal can be supported 9 sprites, and main, sprite can switch.Read the data that FIFO just can support 9 sprites and 1 key frame fully for such 10.Wherein, described VGA is the computer display standard of analog signal.
The demonstration situation of above-described 9 sprites and 1 key frame is an embodiment for the utility model proposes only, and the demonstration number of sprite and key frame and display mode can be provided with according to the needs of actual conditions.
As shown in Figure 4, a kind of television set that provides for the utility model embodiment; This television set comprises:
The Video signal processing device; This device comprises: signal receiving unit is used to receive main picture video signal and sprite vision signal;
Unit for scaling is used for respectively main picture video signal and sprite vision signal being carried out convergent-divergent;
Signal processing unit is used for main picture video signal behind the described convergent-divergent and sprite vision signal are carried out the mixed video signal processing.
Wherein, described unit for scaling further comprises:
Sample frequency is provided with subelement, is used to be provided with the sample frequency of vision signal;
The convergent-divergent subelement is used for the sample frequency according to the vision signal of described setting, to main picture video signal and the sprite vision signal convergent-divergent of sampling.
Described signal processing unit further comprises:
Signal blend sub unit is used for main picture video signal behind the described convergent-divergent and sprite vision signal are mixed;
The image processing subelement is used for that described mixed vision signal is carried out picture quality and promotes processing;
Storing sub-units is used to store described through picture quality lifting processed video signal.
Described unit for scaling further comprises:
The parameter acquiring subelement is used to obtain key frame and sprite display parameters;
Described convergent-divergent subelement is used for the display parameters that obtain according to described, and main picture video signal and sprite vision signal are carried out convergent-divergent.
Described Video signal processing device also comprises:
The display mode acquiring unit is used to obtain key frame and sprite display mode.
A kind of Video signal processing device that the utility model embodiment provides and the television set with this device behind the main picture video signal and sprite vision signal difference convergent-divergent that will receive, carry out mixed video and handle.That is to say, main picture video signal and sprite vision signal are carried out unified vision signal processing, avoided in the difference processing procedure difference of treatment effect.Thereby make key frame and sprite video quality be consistent.With available technology adopting for a long time clock system main picture video signal carry out convergent-divergent with the sprite vision signal and compare, main picture video signal has also adopted identical sample frequency with the sprite vision signal among this device embodiment, be identical clock zone, control the convergent-divergent of main picture video signal and sprite vision signal.Like this, adopt the sample frequency control main picture video signal in single clock territory and the convergent-divergent of sprite vision signal, the clock number that makes this device embodiment adopt is few, and saves area and complexity that circuit is realized greatly.
The above; it only is embodiment of the present utility model; protection range of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; can expect easily changing or replacing, all should be encompassed within the protection range of the present utility model.
Claims (10)
1, a kind of Video signal processing device is characterized in that, comprising:
Signal receiving unit is used to receive main picture video signal and sprite vision signal;
Unit for scaling is used for respectively main picture video signal and sprite vision signal being carried out convergent-divergent;
Signal processing unit is used for main picture video signal behind the described convergent-divergent and sprite vision signal are carried out the mixed video signal processing.
2, Video signal processing device according to claim 1 is characterized in that, described unit for scaling further comprises:
Sample frequency is provided with subelement, is used to be provided with the sample frequency of vision signal;
The convergent-divergent subelement is used for the sample frequency according to the vision signal of described setting, to main picture video signal and the sprite vision signal convergent-divergent of sampling.
3 Video signal processing devices according to claim 1 and 2 is characterized in that described signal processing unit further comprises:
Signal blend sub unit is used for main picture video signal behind the described convergent-divergent and sprite vision signal are mixed;
The image processing subelement is used for that described mixed vision signal is carried out picture quality and promotes processing;
Storing sub-units is used to store described through picture quality lifting processed video signal.
4, Video signal processing device according to claim 3 is characterized in that, described unit for scaling further comprises:
The parameter acquiring subelement is used to obtain key frame and sprite display parameters;
Described convergent-divergent subelement is used for the display parameters that obtain according to described, and main picture video signal and sprite vision signal are carried out convergent-divergent.
5, Video signal processing device according to claim 4 is characterized in that, also comprises:
The display mode acquiring unit is used to obtain key frame and sprite display mode.
6, a kind of television set is characterized in that, comprising: the Video signal processing device; This device comprises: signal receiving unit is used to receive main picture video signal and sprite vision signal;
Unit for scaling is used for respectively main picture video signal and sprite vision signal being carried out convergent-divergent;
Signal processing unit is used for main picture video signal behind the described convergent-divergent and sprite vision signal are carried out the mixed video signal processing.
7, television set according to claim 6 is characterized in that, described unit for scaling further comprises:
Sample frequency is provided with subelement, is used to be provided with the sample frequency of vision signal;
The convergent-divergent subelement is used for the sample frequency according to the vision signal of described setting, to main picture video signal and the sprite vision signal convergent-divergent of sampling.
8 according to claim 6 or 7 described television sets, it is characterized in that described signal processing unit further comprises:
Signal blend sub unit is used for main picture video signal behind the described convergent-divergent and sprite vision signal are mixed;
The image processing subelement is used for that described mixed vision signal is carried out picture quality and promotes processing;
Storing sub-units is used to store described through picture quality lifting processed video signal.
9, television set according to claim 8 is characterized in that, described unit for scaling further comprises:
The parameter acquiring subelement is used to obtain key frame and sprite display parameters;
Described convergent-divergent subelement is used for the display parameters that obtain according to described, and main picture video signal and sprite vision signal are carried out convergent-divergent.
10, television set according to claim 9 is characterized in that, also comprises:
The display mode acquiring unit is used to obtain key frame and sprite display mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200920006372XU CN201365301Y (en) | 2009-03-10 | 2009-03-10 | Device for processing video signals and television provided with device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200920006372XU CN201365301Y (en) | 2009-03-10 | 2009-03-10 | Device for processing video signals and television provided with device |
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| Publication Number | Publication Date |
|---|---|
| CN201365301Y true CN201365301Y (en) | 2009-12-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200920006372XU Expired - Fee Related CN201365301Y (en) | 2009-03-10 | 2009-03-10 | Device for processing video signals and television provided with device |
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| CN (1) | CN201365301Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104717397A (en) * | 2013-12-12 | 2015-06-17 | 联想(北京)有限公司 | Image data processing method and electronic device |
| CN110913192A (en) * | 2019-10-14 | 2020-03-24 | 珠海亿智电子科技有限公司 | Display processing method and device |
-
2009
- 2009-03-10 CN CNU200920006372XU patent/CN201365301Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104717397A (en) * | 2013-12-12 | 2015-06-17 | 联想(北京)有限公司 | Image data processing method and electronic device |
| CN104717397B (en) * | 2013-12-12 | 2018-12-14 | 联想(北京)有限公司 | A kind of image processing method and electronic equipment |
| CN110913192A (en) * | 2019-10-14 | 2020-03-24 | 珠海亿智电子科技有限公司 | Display processing method and device |
| CN110913192B (en) * | 2019-10-14 | 2021-09-24 | 珠海亿智电子科技有限公司 | Display processing method and device |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091216 Termination date: 20120310 |