CN104202553A - Signal processing method and system - Google Patents
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- CN104202553A CN104202553A CN201410432321.9A CN201410432321A CN104202553A CN 104202553 A CN104202553 A CN 104202553A CN 201410432321 A CN201410432321 A CN 201410432321A CN 104202553 A CN104202553 A CN 104202553A
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Abstract
The invention discloses a signal processing method and system. The method comprises the steps of: detecting format information of a signal output by a signal source, converting the detected format information into a preset format identification, and inserting the preset format identification into a blanking region of the signal; storing a corresponding relationship between the preset format identification and the signal format to correspond to the corresponding relationship between the detected format information and the signal format. With the implementation of the signal processing method and system, a display unit or a corresponding processing unit can identify the signal format rapidly and automatically through the blanking region of the signal, other external equipment is unnecessary to input the signal format, and the signal processing efficiency can be improved.
Description
Technical field
The present invention relates to signal processing technology field, particularly relate to a kind of signal processing method and system.
Background technology
Combination can only be identified the signal format of the unit (this unit) that is connected to signal source, if the hoop that is connected to the unit of signal source is gone out to other articulating unit to (non-this unit), cannot obtain the form of input signal source.
In order to identify the form of the signal of input, conventionally by peripheral control unit, send 3D form with identification.
But, if signal source change needs configuration signal source repeatedly, operate complicated and expend time in manyly, cause signal recognition efficiency low.
Summary of the invention
Based on this, be necessary for above-mentioned signal recognition method, need repeatedly configuration signal source, operate and complicatedly expend time in manyly, cause the problem that signal recognition efficiency is low, a kind of signal processing method and system are provided.
A signal processing method, comprises the following steps:
The format information of the signal of sensed signal sources output;
The format information of detection is converted to default format identification (FID), and is inserted into the blanking zone of described signal;
The corresponding format information detecting and the corresponding relation between signal format, store the corresponding relation between described default format identification (FID) and signal format.
A signal processing system, comprising:
Detection module, the format information of the signal of exporting for detection of signal source;
Insert module, for the format information of detection is converted to default format identification (FID), and is inserted into the blanking zone of described signal;
Memory module, the format information detecting for correspondence and the corresponding relation between signal format, store the corresponding relation between described default format identification (FID) and signal format.
Above-mentioned signal processing method, the format information of the signal of the signal gained of detection signal source output is converted to default format identification (FID), and be inserted into the blanking zone of described signal, store signal format corresponding to described default format identification (FID) simultaneously, make the form that display unit or the respective handling unit blanking zone by signal can fast automatic identification signal, without other external equipment input signal formats, can improve signal treatment effeciency.
A signal processing method, comprises the following steps:
Receive signal;
Search the blanking zone of described signal, and read default format identification (FID) from described blanking zone;
Corresponding relation according between default format identification (FID) and signal format, obtains the signal format that signal format corresponding to read default format identification (FID) is described signal.
A signal processing system, comprising:
Receiver module, for receiving signal;
Search module, for searching the blanking zone of described signal, and read default format identification (FID) from described blanking zone;
Identification module, for according to the corresponding relation between default format identification (FID) and signal format, obtains the signal format that signal format corresponding to read default format identification (FID) is described signal.
Above-mentioned signal processing method and system, search the blanking zone of stating signal, and read default format identification (FID) from described blanking zone; According to the corresponding relation between default format identification (FID) and signal format, the signal format that signal format corresponding to default format identification (FID) that quick obtaining reads is described signal, without other external equipment input signal formats, can improve signal treatment effeciency again.
A signal processing method, comprises the following steps:
By this unit of mosaic display screen, receive the signal of signal source transmission, and detect the signal format of described signal;
The format information of detection is converted to default format identification (FID), and is inserted into the blanking zone of described signal;
The corresponding format information detecting and the corresponding relation between signal format, store the corresponding relation between described default format identification (FID) and signal format;
The hoop inserting after described default format identification (FID) is gone out to other display units to described mosaic display screen, so that described other display units are identified the signal format of described signal according to the described default format identification (FID) of described blanking zone.
A signal processing system, comprising:
Format detection module, for receive the signal of signal source transmission by this unit of mosaic display screen, and detects the signal format of described signal;
Sign insert module, for the format information of detection is converted to default format identification (FID), and is inserted into the blanking zone of described signal;
Form memory module, the format information detecting for correspondence and the corresponding relation between signal format, store the corresponding relation between described default format identification (FID) and signal format;
Encircle out module, for the hoop inserting after described default format identification (FID) is gone out to other display units to described mosaic display screen, so that described other display units are identified the signal format of described signal according to the described default format identification (FID) of described blanking zone.
Above-mentioned signal processing method and system, by the signal format of signal described in this unit inspection of mosaic display screen, be converted to default format identification (FID), and be inserted into the blanking zone of described signal, store signal format corresponding to described default format identification (FID) simultaneously, the hoop inserting after described default format identification (FID) is gone out to other display units to described mosaic display screen, the blanking zone of any display unit that makes mosaic display screen by signal can fast automatic identification signal form, without other external equipment input signal formats, can improve signal treatment effeciency.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet of signal processing method the first execution mode of the present invention;
Fig. 2 is the schematic diagram of the blanking zone of signal in signal processing method of the present invention;
Fig. 3 is the structural representation of signal processing system the first execution mode of the present invention;
Fig. 4 is the schematic flow sheet of signal processing method the second execution mode of the present invention;
Fig. 5 is the structural representation of signal processing system the second execution mode of the present invention;
Fig. 6 is the schematic flow sheet of signal processing method of the present invention the 3rd execution mode;
Fig. 7 is the structural representation of signal processing system of the present invention the 3rd execution mode.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
Refer to Fig. 1, Fig. 1 is the schematic flow sheet of signal processing method the first execution mode of the present invention.
The described signal processing method of present embodiment comprises the following steps:
Step S101, the format information of the signal of sensed signal sources output.
Step S102, is converted to default format identification (FID) by the format information of detection, and is inserted into the blanking zone of described signal.
Step S103, the corresponding format information detecting and the corresponding relation between signal format, store the corresponding relation between described default format identification (FID) and signal format.
Present embodiment, the format information of the signal of the signal gained of detection signal source output is converted to default format identification (FID), and be inserted into the blanking zone of described signal, store signal format corresponding to described default format identification (FID) simultaneously, make the form that display unit or the respective handling unit blanking zone by signal can fast automatic identification signal, without other external equipment input signal formats, can improve signal treatment effeciency.
Wherein, for step S101, the signal of signal source output comprises the auxiliary data bag that contains signal format information or is transmitted with the transmission means corresponding with signal format.
Preferably, described input signal can be the same signal that adopts serial mode (as serdes, cascade etc.) to be transferred to display unit.
Preferably, the auxiliary data bag AVI infoframe of the signal of the transmission means of signal or signal source being exported by sensed signal sources, format information that can picked up signal.
Further, described signal can comprise at least one in the upper and lower form 3D signal of 2D signal, HDMI (High Definition Multimedia Interface) (HDMI) of digital visual interface (DVI) 3D signal, digital visual interface (DVI) 2D signal, HDMI (High Definition Multimedia Interface) (HDMI) and the left and right form 3D signal of HDMI (High Definition Multimedia Interface).Accordingly, described format information can comprise at least one in digital visual interface (DVI) 2D form, digital visual interface (DVI) 3D form, HDMI (High Definition Multimedia Interface) (HDMI) 2D form, HDMI (High Definition Multimedia Interface) (HDMI) 3D FramePacking form, HDMI (High Definition Multimedia Interface) (HDMI) TopBottom form or HDMI (High Definition Multimedia Interface) (HDMI) SideBySide form.
In one embodiment, the step of the format information of the signal of sensed signal sources output comprises the following steps:
The signal source of identifying described signal is transmitted the transmission means of described signal.
If the transmission means of identification is double-stranded transmission, the format information of judging described signal is 3D digital visual interface form.
If the transmission means of identification is strand transmission, the format information of judging described signal is 2D digital visual interface form.
The present embodiment, can identify DVI 2D signal format and DVI 3D signal format fast.
Preferably, in signal acquisition process, pass through the mode of signal source signal transmission, the transmission means of discernible signal.
In another embodiment, the step of the format information of the signal of sensed signal sources output comprises the following steps:
Obtain the auxiliary data bag of described signal.
Reading format agreement from described auxiliary data bag, and obtain signal format corresponding to format protocol reading.
The present embodiment, can identify signal format corresponding to HDMI (High Definition Multimedia Interface) fast.
Preferably, can read described format protocol from gathering the AVI infoframe of the acquisition chip of described signal, in HDMI signal, the HDMI_VIDEO_FORMATE of 2D signal bag is 0, in HDMI signal, the HDMI_VIDEO_FORMATE of 3D signal bag is 2, and the format protocol of various HDMI 3D signals is as shown in table 1:
Table 1:
| HDMI-3D signal | Format protocol |
| HDMI-3D-FramePacking | 0000 |
| HDMI-3D-TopBottom | 0110 |
| HDMI-3D-SideBySide | 1000 |
For step S102, described default format identification (FID) can be the RGB data for beacon signal form, will preset format identification (FID) corresponding one by one with signal format, signal format detected, according to corresponding relation, by Signal form translate, is corresponding default format identification (FID).Described default format identification (FID) in other embodiments can be also other habitual signs of this area.
In one embodiment, as shown in Figure 2, when the polarity of field sync signal is anodal, the VS signal of described signal is that low level signal area is blanking zone.When VS signal is low level, the image that display unit shows or not this region.At VS signal, be that described default format identification (FID) is inserted in low level signal area, when not affecting display quality, can distinguish different signal format.
Preferably, the corresponding relation between signal format and default format identification (FID) is as shown in table 2:
Table 2:
| Signal format | The default format identification (FID) of blanking zone |
| DVI-2D | 0000 |
| DVI-3D | 0001 |
| HDMI-2D | 0000 |
| HDMI-3D-FramePacking | 0002 |
| HDMI-3D-TopBottom | 0003 |
| HDMI-3D-SideBySide | 0004 |
In other embodiments, described blanking zone also can be the field region without information area (Blanking), the horizontal blanking district of horizontal direction, at least one region in the field blanking district of vertical direction, crop region and back porch region beyond the address Video region of input signal.Other signal areas of the input signal that all right those skilled in the art are habitual.
In another embodiment, the format information of detection is converted to default format identification (FID), and the step that is inserted into the blanking zone of described signal comprises the following steps:
Identify the polarity of the field sync signal of described signal.
If the polarity of described field sync signal is anodal, the field sync signal of identifying described signal is low level signal area, described default format identification (FID) is inserted into the signal area of identification;
If the polarity of described field sync signal is negative pole, the signal area that the field sync signal of identifying described signal is high level, is inserted into described default format identification (FID) the signal area of identification.
Preferably, when the digital signal DE of described signal (data enable) is invalid, VS if high expression is negative polarity, and VS is low expression positive polarity.
For step S103, the corresponding relation between the default format identification (FID) of storage and signal format, preferably as storage list 2, to preserve signal format corresponding to described default format identification (FID).
Signal processing method described in present embodiment can be carried out by the signal generator of described signal, also can carry out by be connected other treatment facilities that receive described signal with signal generator.
Refer to Fig. 3, Fig. 3 is the structural representation of signal processing system the first execution mode of the present invention.
The described signal processing system of present embodiment can comprise detection module 1010, insert module 1020, memory module 1030, wherein:
Detection module 1010, the format information of the signal of exporting for detection of signal source.
Insert module 1020, for the format information of detection is converted to default format identification (FID), and is inserted into the blanking zone of described signal.
Memory module 1030, the format information detecting for correspondence and the corresponding relation between signal format, store the corresponding relation between described default format identification (FID) and signal format.
Present embodiment, the format information of the signal of the signal gained of detection signal source output is converted to default format identification (FID), and be inserted into the blanking zone of described signal, store signal format corresponding to described default format identification (FID) simultaneously, make the form that display unit or the respective handling unit blanking zone by signal can fast automatic identification signal, without other external equipment input signal formats, can improve signal treatment effeciency.
Wherein, for detection module 1010, the signal of signal source output comprises the auxiliary data bag that contains signal format information or is transmitted with the transmission means corresponding with signal format.
Preferably, the auxiliary data bag AVI infoframe of the signal of the transmission means of signal or signal source being exported by sensed signal sources, format information that can picked up signal.
Further, described signal can comprise at least one in the upper and lower form 3D signal of 2D signal, HDMI (High Definition Multimedia Interface) (HDMI) of digital visual interface (DVI) 3D signal, digital visual interface (DVI) 2D signal, HDMI (High Definition Multimedia Interface) (HDMI) and the left and right form 3D signal of HDMI (High Definition Multimedia Interface).Accordingly, described format information can comprise at least one in digital visual interface (DVI) 2D form, digital visual interface (DVI) 3D form, HDMI (High Definition Multimedia Interface) (HDMI) 2D form, HDMI (High Definition Multimedia Interface) (HDMI) 3D FramePacking form, HDMI (High Definition Multimedia Interface) (HDMI) TopBottom form or HDMI (High Definition Multimedia Interface) (HDMI) SideBySide form.
In one embodiment, detection module 1010 can be used for:
The signal source of identifying described signal is transmitted the transmission means of described signal.
If the transmission means of identification is double-stranded transmission, the format information of judging described signal is 3D digital visual interface form.
If the transmission means of identification is strand transmission, the format information of judging described signal is 2D digital visual interface form.
The present embodiment, can identify DVI 2D signal format and DVI 3D signal format fast.
Preferably, in signal acquisition process, pass through the mode of signal source signal transmission, the transmission means of discernible signal.
In another embodiment, detection module 1010 also can be used for:
Obtain the auxiliary data bag of described signal.
Reading format agreement from described auxiliary data bag, and obtain signal format corresponding to format protocol reading.
The present embodiment, can identify signal format corresponding to HDMI (High Definition Multimedia Interface) fast.
Preferably, described auxiliary data bag is AVI infoframe, can read described format protocol from gathering the AVI infoframe of the acquisition chip of described signal, in HDMI signal, the HDMI_VIDEO_FORMATE of 2D signal bag is 0, in HDMI signal, the HDMI_VIDEO_FORMATE of 3D signal bag is 2, and the format protocol of various HDMI 3D signals is as shown in table 1.
For insert module 1020, described default format identification (FID) can be the RGB data for beacon signal form, to preset format identification (FID) corresponding one by one with signal format, and signal format be detected, be corresponding default format identification (FID) according to corresponding relation by Signal form translate.Described default format identification (FID) in other embodiments can be also other habitual signs of this area.
In one embodiment, as shown in Figure 2, the VS signal of described signal is that low level signal area is blanking zone.When VS signal is low level, the image that display unit shows or not this region.At VS signal, be that described default format identification (FID) is inserted in low level signal area, when not affecting display quality, can distinguish different signal format.
Preferably, the corresponding relation between signal format and default format identification (FID) is as shown in table 2.
In other embodiments, described blanking zone also can be the field region without information area (Blanking), the horizontal blanking district of horizontal direction, at least one region in the field blanking district of vertical direction, crop region and back porch region beyond the address Video region of input signal.Other signal areas of the input signal that all right those skilled in the art are habitual.
In another embodiment, insert module 1020 also can be used for:
Identify the polarity of the field sync signal of described signal.
If the polarity of described field sync signal is anodal, the field sync signal of identifying described signal is low level signal area, described default format identification (FID) is inserted into the signal area of identification.
If the polarity of described field sync signal is negative pole, the signal area that the field sync signal of identifying described signal is high level, is inserted into described default format identification (FID) the signal area of identification.
Preferably, when the digital signal DE of described signal (data enable) is invalid, VS if high expression is negative polarity, and VS is low expression positive polarity.
For memory module 1030, the corresponding relation between the default format identification (FID) of storage and signal format, preferably as storage list 2, to preserve signal format corresponding to described default format identification (FID).
Refer to Fig. 4, Fig. 4 is the schematic flow sheet of signal processing method the second execution mode of the present invention.
The described signal processing method of present embodiment comprises the following steps:
Step S401, receives signal.
Step S402, searches the blanking zone of described signal, and reads default format identification (FID) from described blanking zone.
Step S403, the corresponding relation according between default format identification (FID) and signal format, obtains the signal format that signal format corresponding to read default format identification (FID) is described signal.
Present embodiment, searches the blanking zone of stating signal, and reads default format identification (FID) from described blanking zone; According to the corresponding relation between default format identification (FID) and signal format, the signal format that signal format corresponding to default format identification (FID) that quick obtaining reads is described signal, without other external equipment input signal formats, can improve signal treatment effeciency again.
Wherein, for step S401, the blanking zone of the signal of reception is containing the default format identification (FID) that is useful on id signal form.Can receive described signal by signal acquisition module.Also can receive described signal by this unit or other articulating unit (non-this unit) of mosaic display screen.Other equipment that also can habitually practise by those skilled in the art receive described signal.
For step S402, searching described blanking zone, can to search the VS signal of described signal be low level signal area.
Preferably, described default format identification (FID) preferably can be the RGB data for beacon signal form.
In one embodiment, search the blanking zone of described signal, and comprise the following steps from the step that described blanking zone reads default format identification (FID):
Identify the polarity of the field sync signal of described signal.
If described polarity is anodal, the field sync signal of identifying described signal is low level signal area, from the signal area of identification, reads described default format identification (FID).
If described polarity is negative pole, the signal area that the field sync signal of identifying described signal is high level, reads described default format identification (FID) from the signal area of identification.
For step S403, the corresponding relation between default format identification (FID) and signal format is preferably as shown in table 2.
In one embodiment, after obtaining the step of the signal format that signal format corresponding to read default format identification (FID) is described signal, further comprising the steps of:
According to the signal format of obtaining, described signal is carried out to corresponding Graphics Processing.
Preferably, corresponding Graphics Processing can comprise shearing to described signal, window display etc.
Refer to Fig. 5, Fig. 5 is the structural representation of signal processing system the second execution mode of the present invention.
The described signal processing system of present embodiment can comprise receiver module 2010, search module 2020 and identification module 2030, wherein:
Receiver module 2010, for receiving signal.
Search module 2020, for searching the blanking zone of described signal, and read default format identification (FID) from described blanking zone.
Identification module 2030, for according to the corresponding relation between default format identification (FID) and signal format, obtains the signal format that signal format corresponding to read default format identification (FID) is described signal.
Present embodiment, searches the blanking zone of stating signal, and reads default format identification (FID) from described blanking zone; According to the corresponding relation between default format identification (FID) and signal format, the signal format that signal format corresponding to default format identification (FID) that quick obtaining reads is described signal, without other external equipment input signal formats, can improve signal treatment effeciency again.
Wherein, for receiver module 2010, can receive described signal by signal acquisition module.Also can receive described signal by this unit or other articulating unit (non-this unit) of mosaic display screen.Other equipment that also can habitually practise by those skilled in the art receive described signal.
For searching module 2020, searching described blanking zone, can to search the VS signal of described signal be low level signal area.
Preferably, described default format identification (FID) preferably can be the RGB data for beacon signal form.
In one embodiment, searching module 2020 also can be used for:
Identify the polarity of the field sync signal of described signal.
If described polarity is anodal, the field sync signal of identifying described signal is low level signal area, from the signal area of identification, reads described default format identification (FID).
If described polarity is negative pole, the signal area that the field sync signal of identifying described signal is high level, reads described default format identification (FID) from the signal area of identification.
For identification module 2030, the corresponding relation between default format identification (FID) and signal format is preferably as shown in table 2.
In one embodiment, also comprise Graphics Processing module, for according to the signal format of obtaining, described signal is carried out to corresponding Graphics Processing.
Preferably, corresponding Graphics Processing can comprise shearing to described signal, window display etc.
Refer to Fig. 6, Fig. 6 is the schematic flow sheet of signal processing method of the present invention the 3rd execution mode.
The described signal processing method of present embodiment comprises the following steps:
Step S601, receives the signal of signal source transmission by this unit of mosaic display screen, and detects the signal format of described signal.
Step S602, is converted to default format identification (FID) by the format information of detection, and is inserted into the blanking zone of described signal.
Step S603, the corresponding format information detecting and the corresponding relation between signal format, store the corresponding relation between described default format identification (FID) and signal format.
Step S604, goes out other display units to described mosaic display screen by the hoop inserting after described default format identification (FID), so that described other display units are identified the signal format of described signal according to the described default format identification (FID) of described blanking zone.
Present embodiment, by the signal format of signal described in this unit inspection of mosaic display screen, be converted to default format identification (FID), and be inserted into the blanking zone of described signal, store signal format corresponding to described default format identification (FID) simultaneously, the hoop inserting after described default format identification (FID) is gone out to other display units to described mosaic display screen, the blanking zone of any display unit that makes mosaic display screen by signal can fast automatic identification signal form, without other external equipment input signal formats, can improve signal treatment effeciency.
Wherein, for step S601, in this step and above-described signal processing method the first execution mode, step S101 is corresponding.This unit of mosaic display screen is the display unit linking with signal source.The auxiliary data bag AVI infoframe of the signal of the transmission means of signal or signal source being exported by sensed signal sources, format information that can picked up signal.
Further, described signal can comprise at least one in the upper and lower form 3D signal of 2D signal, HDMI (High Definition Multimedia Interface) (HDMI) of digital visual interface (DVI) 3D signal, digital visual interface (DVI) 2D signal, HDMI (High Definition Multimedia Interface) (HDMI) and the left and right form 3D signal of HDMI (High Definition Multimedia Interface).Accordingly, described format information can comprise at least one in digital visual interface (DVI) 2D form, digital visual interface (DVI) 3D form, HDMI (High Definition Multimedia Interface) (HDMI) 2D form, HDMI (High Definition Multimedia Interface) (HDMI) 3D FramePacking form, HDMI (High Definition Multimedia Interface) (HDMI) TopBottom form or HDMI (High Definition Multimedia Interface) (HDMI) SideBySide form.Further, detect the operation of the signal format of described signal, preferably with above-described signal processing method the first execution mode in described operation corresponding.
For step S602, the VS signal that described blanking zone is preferably described signal is low level signal area.Described default format identification (FID) can be the RGB data for beacon signal form, will preset format identification (FID) corresponding one by one with signal format, signal format detected, according to corresponding relation, by Signal form translate, is corresponding default format identification (FID).Described default format identification (FID) in other embodiments can be also other habitual signs of this area.
Preferably, in this step S602 and above-described signal processing method the first execution mode, step S102 is corresponding.Corresponding relation between signal format and default format identification (FID) is as shown in table 2.
In one embodiment, the format information of detection is converted to default format identification (FID), and the step that is inserted into the blanking zone of described signal comprises the following steps:
Identify the polarity of the field sync signal of described signal.
If the polarity of described field sync signal is anodal, the field sync signal of identifying described signal is low level signal area, described default format identification (FID) is inserted into the signal area of identification.
If the polarity of described field sync signal is negative pole, the signal area that the field sync signal of identifying described signal is high level, is inserted into described default format identification (FID) the signal area of identification.
For step S603, the corresponding relation between the default format identification (FID) of storage and signal format, preferably as storage list 2, to preserve signal format corresponding to described default format identification (FID).
For step S604, described his display unit can be the articulating unit of tiled display, by detecting gained Signal form translate, be default format identification (FID) the blanking zone that is inserted into corresponding signal, and described hoop is gone out behind described articulating unit, articulating unit reads the default format identification (FID) of blanking zone after receiving described signal, and then can obtain the signal format that signal format corresponding to described default format identification (FID) is described signal.And then can also according to described signal format, configure the shearing connecting method of each display unit, realize arbitrary signal in any switching of whole mosaic display screen, window.Without other external equipment input signal formats, can improve signal treatment effeciency, while changing signal source, also there will not be flower screen entanglement phenomenon, can improve signal display quality.
Refer to Fig. 7, Fig. 7 is the structural representation of signal processing system of the present invention the 3rd execution mode.
The described signal processing system of present embodiment comprises format detection module 3010, identifies insert module 3020, form memory module 3030 and encircle out module 3040, wherein:
Format detection module 3010, for receive the signal of signal source transmission by this unit of mosaic display screen, and detects the signal format of described signal.
Sign insert module 3020, for the format information of detection is converted to default format identification (FID), and is inserted into the blanking zone of described signal.
Form memory module 3030, the format information detecting for correspondence and the corresponding relation between signal format, store the corresponding relation between described default format identification (FID) and signal format.
Encircle out module 3040, for the hoop inserting after described default format identification (FID) is gone out to other display units to described mosaic display screen, so that described other display units are identified the signal format of described signal according to the described default format identification (FID) of described blanking zone.
Present embodiment, by the signal format of signal described in this unit inspection of mosaic display screen, be converted to default format identification (FID), and be inserted into the blanking zone of described signal, store signal format corresponding to described default format identification (FID) simultaneously, the hoop inserting after described default format identification (FID) is gone out to other display units to described mosaic display screen, the blanking zone of any display unit that makes mosaic display screen by signal can fast automatic identification signal form, without other external equipment input signal formats, can improve signal treatment effeciency.
Wherein, for format detection module 3010, in this format detection module 3010 and above-described signal processing method the first execution mode, detection module 1010 is corresponding.This unit of mosaic display screen is the display unit linking with signal source.The auxiliary data bag AVI infoframe of the signal of the transmission means of signal or signal source being exported by sensed signal sources, format information that can picked up signal.
Further, described signal can comprise at least one in the upper and lower form 3D signal of 2D signal, HDMI (High Definition Multimedia Interface) (HDMI) of digital visual interface (DVI) 3D signal, digital visual interface (DVI) 2D signal, HDMI (High Definition Multimedia Interface) (HDMI) and the left and right form 3D signal of HDMI (High Definition Multimedia Interface).Accordingly, described format information can comprise at least one in digital visual interface (DVI) 2D form, digital visual interface (DVI) 3D form, HDMI (High Definition Multimedia Interface) (HDMI) 2D form, HDMI (High Definition Multimedia Interface) (HDMI) 3D FramePacking form, HDMI (High Definition Multimedia Interface) (HDMI) TopBottom form or HDMI (High Definition Multimedia Interface) (HDMI) SideBySide form.Further, detect the operation of the signal format of described signal, preferably with above-described signal processing method the first execution mode in described operation corresponding.
For sign insert module 3020, the VS signal that described blanking zone is preferably described signal is low level signal area.Described default format identification (FID) can be the RGB data for beacon signal form, will preset format identification (FID) corresponding one by one with signal format, signal format detected, according to corresponding relation, by Signal form translate, is corresponding default format identification (FID).Described default format identification (FID) in other embodiments can be also other habitual signs of this area.
Preferably, in this sign insert module 3020 and above-described signal processing method the first execution mode, insert module 1020 is corresponding.Corresponding relation between signal format and default format identification (FID) is as shown in table 2.
In one embodiment, sign insert module 3020:
Identify the polarity of the field sync signal of described signal.
If the polarity of described field sync signal is anodal, the field sync signal of identifying described signal is low level signal area, described default format identification (FID) is inserted into the signal area of identification.
If the polarity of described field sync signal is negative pole, the signal area that the field sync signal of identifying described signal is high level, is inserted into described default format identification (FID) the signal area of identification.
For form memory module 3030, the corresponding relation between the default format identification (FID) of storage and signal format, preferably as storage list 2, to preserve signal format corresponding to described default format identification (FID).
For encircling out module 3040, described his display unit can be the articulating unit of tiled display, by detecting gained Signal form translate, be default format identification (FID) the blanking zone that is inserted into corresponding signal, and described hoop is gone out behind described articulating unit, articulating unit reads the default format identification (FID) of blanking zone after receiving described signal, and then can obtain the signal format that signal format corresponding to described default format identification (FID) is described signal.And then can also according to described signal format, configure the shearing connecting method of each display unit, realize arbitrary signal in any switching of whole mosaic display screen, window.Without other external equipment input signal formats, can improve signal treatment effeciency, while changing signal source, also there will not be flower screen entanglement phenomenon, can improve signal display quality.
The above embodiment has only expressed several execution mode of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection range of patent of the present invention should be as the criterion with claims.
Claims (10)
1. a signal processing method, is characterized in that, comprises the following steps:
The format information of the signal of sensed signal sources output;
The format information of detection is converted to default format identification (FID), and is inserted into the blanking zone of described signal;
The corresponding format information detecting and the corresponding relation between signal format, store the corresponding relation between described default format identification (FID) and signal format.
2. signal processing method according to claim 1, is characterized in that, the step of the format information of the signal of sensed signal sources output comprises the following steps:
The signal source of identifying described signal is transmitted the transmission means of described signal;
If the transmission means of identification is double-stranded transmission, the format information of judging described signal is 3D digital visual interface form;
If the transmission means of identification is strand transmission, the format information of judging described signal is 2D digital visual interface form.
3. signal processing method according to claim 1, is characterized in that, the step of the format information of the signal of sensed signal sources output comprises the following steps:
Obtain the auxiliary data bag of described signal;
Reading format agreement from described auxiliary data bag, and obtain signal format corresponding to format protocol reading.
4. according to the signal processing method described in any one in claims 1 to 3, it is characterized in that, the format information of detection is converted to default format identification (FID), and the step that is inserted into the blanking zone of described signal comprises the following steps:
Identify the polarity of the field sync signal of described signal;
If the polarity of described field sync signal is anodal, the field sync signal of identifying described signal is low level signal area, described default format identification (FID) is inserted into the signal area of identification;
If the polarity of described field sync signal is negative pole, the signal area that the field sync signal of identifying described signal is high level, is inserted into described default format identification (FID) the signal area of identification.
5. a signal processing system, is characterized in that, comprising:
Detection module, the format information of the signal of exporting for detection of signal source;
Insert module, for the format information of detection is converted to default format identification (FID), and is inserted into the blanking zone of described signal;
Memory module, the format information detecting for correspondence and the corresponding relation between signal format, store the corresponding relation between described default format identification (FID) and signal format.
6. a signal processing method, is characterized in that, comprises the following steps:
Receive signal;
Search the blanking zone of described signal, and read default format identification (FID) from described blanking zone;
Corresponding relation according between default format identification (FID) and signal format, obtains the signal format that signal format corresponding to read default format identification (FID) is described signal.
7. signal processing method according to claim 6, is characterized in that, after obtaining the step of the signal format that signal format corresponding to read default format identification (FID) is described signal, further comprising the steps of:
According to the signal format of obtaining, described signal is carried out to corresponding Graphics Processing.
8. a signal processing system, is characterized in that, comprising:
Receiver module, for receiving signal;
Search module, for searching the blanking zone of described signal, and read default format identification (FID) from described blanking zone;
Identification module, for according to the corresponding relation between default format identification (FID) and signal format, obtains the signal format that signal format corresponding to read default format identification (FID) is described signal.
9. a signal processing method, is characterized in that, comprises the following steps:
By this unit of mosaic display screen, receive the signal of signal source transmission, and detect the signal format of described signal;
The format information of detection is converted to default format identification (FID), and is inserted into the blanking zone of described signal;
The corresponding format information detecting and the corresponding relation between signal format, store the corresponding relation between described default format identification (FID) and signal format;
The hoop inserting after described default format identification (FID) is gone out to other display units to described mosaic display screen, so that described other display units are identified the signal format of described signal according to the described default format identification (FID) of described blanking zone.
10. a signal processing system, is characterized in that, comprising:
Format detection module, for receive the signal of signal source transmission by this unit of mosaic display screen, and detects the signal format of described signal;
Sign insert module, for the format information of detection is converted to default format identification (FID), and is inserted into the blanking zone of described signal;
Form memory module, the format information detecting for correspondence and the corresponding relation between signal format, store the corresponding relation between described default format identification (FID) and signal format;
Encircle out module, for the hoop inserting after described default format identification (FID) is gone out to other display units to described mosaic display screen, so that described other display units are identified the signal format of described signal according to the described default format identification (FID) of described blanking zone.
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