CN103108239A - Method and device of automatic transferring of video aspect ratio - Google Patents
Method and device of automatic transferring of video aspect ratio Download PDFInfo
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- CN103108239A CN103108239A CN2013100591543A CN201310059154A CN103108239A CN 103108239 A CN103108239 A CN 103108239A CN 2013100591543 A CN2013100591543 A CN 2013100591543A CN 201310059154 A CN201310059154 A CN 201310059154A CN 103108239 A CN103108239 A CN 103108239A
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Abstract
The invention discloses a method of automatic transferring of video aspect ratio. The method of the automatic transferring of the video aspect ratio comprises carrying out setting to a transfer device, obtaining a display aspect ratio, a transfer mode and a video aspect ratio, comparing whether the video aspect ratio and the display aspect ratio are identical, carrying out transfer according to the obtained transfer mode, and outputting video signals to a display unit. The method of the automatic transferring of the video aspect ratio adopts a selective transfer mode to transfer the video aspect ratio into the display aspect ratio set by a user, and the operation of the user is enabled to be easier. The user can set the transfer mode and the display aspect ratio according to own film watching feeling, and experience is enabled to be best.
Description
Technical field
The invention belongs to digital TV field, be specifically related to a kind of video aspect ratio method and device of conversion automatically realized.
Background technology
The ratio of width to height refers to the width of video image and the ratio between height, difference according to video standard, the Aspect Ratio of display screen has several forms: the ratio of width to height of traditional video image is 4:3, the ratio of width to height of wide-screen film is 1.85:1, high definition TV is 16:9, and the panorama type film is 2.35:1.
Domestic Digital Television generally is divided into three parts, signal source, digital TV set-top box and display unit (being generally TV).The vision signal of signal source comprises aspect ratio information according to standard code, is generally 16:9 and 4:3; The screen of TV also has the ratio of width to height, equally also comprises two kinds of 16:9,4:3.The ratio of width to height of the ratio of width to height of vision signal and video screen not simultaneously, is certain to relate to the adaptive conversion of aspect ratio size in signal source.Digital TV set-top box will inevitably relate to the implementation method of video aspect ratio conversion as the intermediate equipment of current digital TV field.Existing digital TV set-top box does not possess the adaptive translation function of video aspect ratio usually, and the vision signal of the video aspect ratio that is all generally signal source what are namely exports identical the ratio of width to height shows to TV, so extremely affects consumer's the impression of watching.
Summary of the invention
Consider the problems referred to above of prior art, according to an aspect of the present invention, disclose a kind of video aspect ratio automatic switching method, it is characterized in that, comprise the following steps:
Conversion equipment obtain the display unit that connects demonstration the ratio of width to height and the applicable conversion regime of the display unit that connects, wherein,
When conversion equipment is worked first, mode by manual setting on conversion equipment to demonstration the ratio of width to height of connecing display unit and the applicable conversion regime of the display unit that connects arrange, and demonstration the ratio of width to height data that will manually arrange and conversion regime data are kept in the memory of conversion equipment
When conversion equipment was worked again, conversion equipment obtained demonstration the ratio of width to height of the display unit that connects and the conversion regime that institute's display unit that connects is suitable for by the mode of extracting demonstration the ratio of width to height data of preserving and conversion regime data from memory;
Conversion equipment receives the signal of signal source and it is resolved, and obtains the vision signal in signal source, and obtains video aspect ratio;
In conversion equipment, video aspect ratio is made comparisons with demonstration the ratio of width to height, wherein,
When video aspect ratio is identical with demonstration the ratio of width to height, vision signal is delivered directly to display unit shows,
When video aspect ratio with show the ratio of width to height not simultaneously, with video aspect ratio by the conversion regime that obtains be converted to show that the ratio of width to height is identical after, then be transported to display unit and show.
As preferably, described conversion regime comprises that horizontal cutting removes, vertically excision, horizontal scaling and vertically scale, wherein,
When the ratio of width to height of vision signal the ratio of width to height that is 16:9, display unit is 4:3,
Horizontal cutting removes, and the vertical size of vision signal is constant, horizontal component makes its ratio of width to height meet 4:3 by the excision redundance,
Vertically excision is, the horizontal size of vision signal is constant, vertical component is filled out black surround by the both sides equilibrium makes its ratio of width to height meet 4:3,
Horizontal scaling is, the vertical size of vision signal is constant, level is dwindled by 3:4,
Vertically scale is, the horizontal size of vision signal is constant, vertically press 4:3 amplifies;
When the ratio of width to height of vision signal the ratio of width to height that is 4:3, display unit is 16:9,
Horizontal cutting removes, and the vertical size of vision signal is constant, horizontal component is filled out black surround by the both sides equilibrium makes its ratio of width to height meet 16:9,
Vertically excision is, the horizontal size of vision signal is constant, vertical component makes its ratio of width to height meet 16:9 by the excision redundance,
Horizontal scaling is, the vertical size of vision signal is constant, level is pressed 4:3 and amplified,
Vertically scale is, the horizontal size of vision signal is constant, vertically dwindle by 3:4.
As preferably, described conversion equipment is digital TV set-top box.
The present invention also provides a kind of video aspect ratio device of conversion automatically of realizing, it is characterized in that, comprising:
Acquisition module, be used for to arrange, obtain the display unit that connects demonstration the ratio of width to height and the conversion regime that is suitable for of the display unit that connects;
Memory, be used for being kept at the display unit that connects that acquisition module arranges demonstration the ratio of width to height data and the conversion regime data that are suitable for of the display unit that connects;
Signal receiving module be used for to receive and the vision signal in processing signals source, obtains the video aspect ratio of vision signal;
Comparison module is used for video aspect ratio is made comparisons with demonstration the ratio of width to height;
Modular converter is used for video aspect ratio being converted to and showing that the ratio of width to height is consistent by the conversion regime that obtains;
Output module is used for will the vision signal consistent with the ratio of width to height of display unit outputing to display unit and shows.
As preferably, described conversion regime comprises that horizontal cutting removes, vertically excision, horizontal scaling and vertically scale, wherein,
When the ratio of width to height of vision signal the ratio of width to height that is 16:9, display unit is 4:3,
Horizontal cutting removes, and the vertical size of vision signal is constant, horizontal component makes its ratio of width to height meet 4:3 by the excision redundance,
Vertically excision is, the horizontal size of vision signal is constant, vertical component is filled out black surround by the both sides equilibrium makes its ratio of width to height meet 4:3,
Horizontal scaling is, the vertical size of vision signal is constant, level is dwindled by 3:4,
Vertically scale is, the horizontal size of vision signal is constant, vertically press 4:3 amplifies;
When the ratio of width to height of vision signal the ratio of width to height that is 4:3, display unit is 16:9,
Horizontal cutting removes, and the vertical size of vision signal is constant, horizontal component is filled out black surround by the both sides equilibrium makes its ratio of width to height meet 16:9,
Vertically excision is, the horizontal size of vision signal is constant, vertical component makes its ratio of width to height meet 16:9 by the excision redundance,
Horizontal scaling is, the vertical size of vision signal is constant, level is pressed 4:3 and amplified,
Vertically scale is, the horizontal size of vision signal is constant, vertically dwindle by 3:4.
As preferably, described realize video aspect ratio automatically the device of conversion be the digital TV set-top box with the ratio of width to height auto-conversion function.
Above-mentioned video aspect ratio automatic switching method and device adopt the conversion regime of selecting that video aspect ratio is converted to demonstration the ratio of width to height that the user arranges, and make the user operate and are more prone to; The user more can arrange conversion regime and demonstration the ratio of width to height according to the viewing impression of self, makes to experience to reach optimization.
Description of drawings
Fig. 1 shows the structural representation block diagram of video aspect ratio automatic transfer equipment according to an embodiment of the invention;
Fig. 2 shows the flow chart of video aspect ratio automatic switching method according to an embodiment of the invention.
Embodiment
The present invention is further described below in conjunction with drawings and Examples, but embodiments of the present invention are not limited to this.For complete understanding the present invention, numerous details have been mentioned in the following detailed description.But it should be appreciated by those skilled in the art that the present invention can need not these details and realize.In other example, be not described in detail known method, process and assembly, in order to avoid unnecessarily make embodiment fuzzy.
The invention provides a kind of video aspect ratio device of conversion automatically of realizing, as shown in Figure 1, the structural representation block diagram for video aspect ratio automatic transfer equipment of the present invention comprises:
Be used for to arrange, obtain the display unit that connects demonstration the ratio of width to height and the acquisition module 101 of the conversion regime that is suitable for of the display unit that connects,
Be used for being kept at the display unit that connects that acquisition module arranges demonstration the ratio of width to height data and the memory 102 of the conversion regime data that are suitable for of the display unit that connects,
Be used for to receive and the vision signal in processing signals source, obtain the signal receiving module 103 of the video aspect ratio of vision signal,
Be used for the same comparison module 104 that shows that the ratio of width to height is made comparisons of video aspect ratio,
Be used for by the conversion regime that obtains, video aspect ratio being converted to the modular converter consistent with showing the ratio of width to height 105,
Be used for the vision signal consistent with the ratio of width to height of display unit outputed to the output module 106 that display unit shows.
Wherein, this realizes that the device that video aspect ratio is changed automatically is the digital TV set-top box with the ratio of width to height auto-conversion function.
Preferably, the conversion regime in this device comprises that horizontal cutting removes, vertically excision, horizontal scaling and vertically scale, wherein,
When the ratio of width to height of vision signal the ratio of width to height that is 16:9, display unit is 4:3,
Horizontal cutting removes, and the vertical size of vision signal is constant, horizontal component makes its ratio of width to height meet 4:3 by the excision redundance,
Vertically excision is, the horizontal size of vision signal is constant, vertical component is filled out black surround by the both sides equilibrium makes its ratio of width to height meet 4:3,
Horizontal scaling is, the vertical size of vision signal is constant, level is dwindled by 3:4,
Vertically scale is, the horizontal size of vision signal is constant, vertically press 4:3 amplifies;
When the ratio of width to height of vision signal the ratio of width to height that is 4:3, display unit is 16:9,
Horizontal cutting removes, and the vertical size of vision signal is constant, horizontal component is filled out black surround by the both sides equilibrium makes its ratio of width to height meet 16:9,
Vertically excision is, the horizontal size of vision signal is constant, vertical component makes its ratio of width to height meet 16:9 by the excision redundance,
Horizontal scaling is, the vertical size of vision signal is constant, level is pressed 4:3 and amplified,
Vertically scale is, the horizontal size of vision signal is constant, vertically dwindle by 3:4.
The above digital TV set-top box with the ratio of width to height auto-conversion function, only need manually to arrange on set-top box when set-top box is used first/manually the input institute display unit that connects (being generally television set) demonstration the ratio of width to height and the display unit that connects be suitable for/the needed conversion regime of user, this device can be automatically be converted to the needed demonstration the ratio of width to height of/user consistent with display unit with the video aspect ratio of received vision signal, then plays back.Multiple conversion regime is provided in this device, and the user can simply arrange according to the viewing impression of self, and conversion also is not limited between 16:9 and 4:3.
The invention provides a kind of video aspect ratio automatic switching method, be applied in video aspect ratio automatic transfer equipment (being aforesaid digital TV set-top box with the ratio of width to height auto-conversion function), described method comprises:
Conversion equipment obtain the display unit that connects demonstration the ratio of width to height and the applicable conversion regime of the display unit that connects, wherein,
When conversion equipment is worked first, mode by manual setting on conversion equipment to demonstration the ratio of width to height of connecing display unit and the applicable conversion regime of the display unit that connects arrange, and demonstration the ratio of width to height data that will manually arrange and conversion regime data are kept in the memory of conversion equipment
When conversion equipment was worked again, conversion equipment obtained demonstration the ratio of width to height of the display unit that connects and the conversion regime that institute's display unit that connects is suitable for by the mode of extracting demonstration the ratio of width to height data of preserving and conversion regime data from memory;
Conversion equipment receives the signal of signal source and it is resolved, and obtains the vision signal in signal source, and obtains video aspect ratio;
In conversion equipment, video aspect ratio is made comparisons with demonstration the ratio of width to height, wherein,
When video aspect ratio is identical with demonstration the ratio of width to height, vision signal is delivered directly to display unit shows,
When video aspect ratio with show the ratio of width to height not simultaneously, with video aspect ratio by the conversion regime that obtains be converted to show that the ratio of width to height is identical after, then be transported to display unit and show.
Wherein, described conversion regime comprises that horizontal cutting removes, vertically excision, horizontal scaling and vertically scale, wherein,
When the ratio of width to height of vision signal the ratio of width to height that is 16:9, display unit is 4:3,
Horizontal cutting removes, and the vertical size of vision signal is constant, horizontal component makes its ratio of width to height meet 4:3 by the excision redundance,
Vertically excision is, the horizontal size of vision signal is constant, vertical component is filled out black surround by the both sides equilibrium makes its ratio of width to height meet 4:3,
Horizontal scaling is, the vertical size of vision signal is constant, level is dwindled by 3:4,
Vertically scale is, the horizontal size of vision signal is constant, vertically press 4:3 amplifies;
When the ratio of width to height of vision signal the ratio of width to height that is 4:3, display unit is 16:9,
Horizontal cutting removes, and the vertical size of vision signal is constant, horizontal component is filled out black surround by the both sides equilibrium makes its ratio of width to height meet 16:9,
Vertically excision is, the horizontal size of vision signal is constant, vertical component makes its ratio of width to height meet 16:9 by the excision redundance,
Horizontal scaling is, the vertical size of vision signal is constant, level is pressed 4:3 and amplified,
Vertically scale is, the horizontal size of vision signal is constant, vertically dwindle by 3:4.
As shown in Figure 2, be schematic flow sheet of the present invention, the method comprises:
The vision signal that signal source was resolved, obtained to step 213, conversion equipment obtains the video aspect ratio in vision signal;
Automatic transfer equipment of the present invention and method adopt the conversion regime of selecting that video aspect ratio is converted to demonstration the ratio of width to height that the user arranges, and make the user operate and are more prone to; The user can arrange conversion regime and demonstration the ratio of width to height according to the viewing impression of self, makes to experience to reach optimization.
Above embodiment is only unrestricted in order to technical scheme of the present invention to be described, only with reference to preferred embodiment, the present invention is had been described in detail.Those of ordinary skill in the art should be appreciated that and can modify or be equal to replacement technical scheme of the present invention, and do not break away from the spirit and scope of technical solution of the present invention, all should be encompassed in the middle of claim scope of the present invention.
Claims (6)
1. a video aspect ratio automatic switching method, is characterized in that, comprises the following steps:
Conversion equipment obtain the display unit that connects demonstration the ratio of width to height and the applicable conversion regime of the display unit that connects, wherein,
When conversion equipment is worked first, mode by manual setting on conversion equipment to demonstration the ratio of width to height of connecing display unit and the applicable conversion regime of the display unit that connects arrange, and demonstration the ratio of width to height data that will manually arrange and conversion regime data are kept in the memory of conversion equipment
When conversion equipment was worked again, conversion equipment obtained demonstration the ratio of width to height of the display unit that connects and the conversion regime that institute's display unit that connects is suitable for by the mode of extracting demonstration the ratio of width to height data of preserving and conversion regime data from memory;
Conversion equipment receives the signal of signal source and it is resolved, and obtains the vision signal in signal source, and obtains video aspect ratio;
In conversion equipment, video aspect ratio is made comparisons with demonstration the ratio of width to height, wherein,
When video aspect ratio is identical with demonstration the ratio of width to height, vision signal is delivered directly to display unit shows,
When video aspect ratio with show the ratio of width to height not simultaneously, with video aspect ratio by the conversion regime that obtains be converted to show that the ratio of width to height is identical after, then be transported to display unit and show.
2. screen the ratio of width to height automatic switching method according to claim 1 is characterized in that: described conversion regime comprises that horizontal cutting removes, vertically excision, horizontal scaling and vertically scale, wherein,
When the ratio of width to height of vision signal the ratio of width to height that is 16:9, display unit is 4:3,
Horizontal cutting removes, and the vertical size of vision signal is constant, horizontal component makes its ratio of width to height meet 4:3 by the excision redundance,
Vertically excision is, the horizontal size of vision signal is constant, vertical component is filled out black surround by the both sides equilibrium makes its ratio of width to height meet 4:3,
Horizontal scaling is, the vertical size of vision signal is constant, level is dwindled by 3:4,
Vertically scale is, the horizontal size of vision signal is constant, vertically press 4:3 amplifies;
When the ratio of width to height of vision signal the ratio of width to height that is 4:3, display unit is 16:9,
Horizontal cutting removes, and the vertical size of vision signal is constant, horizontal component is filled out black surround by the both sides equilibrium makes its ratio of width to height meet 16:9,
Vertically excision is, the horizontal size of vision signal is constant, vertical component makes its ratio of width to height meet 16:9 by the excision redundance,
Horizontal scaling is, the vertical size of vision signal is constant, level is pressed 4:3 and amplified,
Vertically scale is, the horizontal size of vision signal is constant, vertically dwindle by 3:4.
3. screen the ratio of width to height automatic switching method according to claim 1 and 2, it is characterized in that: described conversion equipment is digital TV set-top box.
4. realize the video aspect ratio device of conversion automatically for one kind, it is characterized in that, comprising:
Acquisition module, be used for to arrange, obtain the display unit that connects demonstration the ratio of width to height and the conversion regime that is suitable for of the display unit that connects;
Memory, be used for being kept at the display unit that connects that acquisition module arranges demonstration the ratio of width to height data and the conversion regime data that are suitable for of the display unit that connects;
Signal receiving module be used for to receive and the vision signal in processing signals source, obtains the video aspect ratio of vision signal;
Comparison module is used for video aspect ratio is made comparisons with demonstration the ratio of width to height;
Modular converter is used for video aspect ratio being converted to and showing that the ratio of width to height is consistent by the conversion regime that obtains;
Output module is used for will the vision signal consistent with the ratio of width to height of display unit outputing to display unit and shows.
5. the automatically device of conversion of video aspect ratio of realizing according to claim 4 is characterized in that: described conversion regime comprises that horizontal cutting removes, vertically excision, horizontal scaling and vertically scale, wherein,
When the ratio of width to height of vision signal the ratio of width to height that is 16:9, display unit is 4:3,
Horizontal cutting removes, and the vertical size of vision signal is constant, horizontal component makes its ratio of width to height meet 4:3 by the excision redundance,
Vertically excision is, the horizontal size of vision signal is constant, vertical component is filled out black surround by the both sides equilibrium makes its ratio of width to height meet 4:3,
Horizontal scaling is, the vertical size of vision signal is constant, level is dwindled by 3:4,
Vertically scale is, the horizontal size of vision signal is constant, vertically press 4:3 amplifies;
When the ratio of width to height of vision signal the ratio of width to height that is 4:3, display unit is 16:9,
Horizontal cutting removes, and the vertical size of vision signal is constant, horizontal component is filled out black surround by the both sides equilibrium makes its ratio of width to height meet 16:9,
Vertically excision is, the horizontal size of vision signal is constant, vertical component makes its ratio of width to height meet 16:9 by the excision redundance,
Horizontal scaling is, the vertical size of vision signal is constant, level is pressed 4:3 and amplified,
Vertically scale is, the horizontal size of vision signal is constant, vertically dwindle by 3:4.
6. according to claim 4 or 5 described automatically devices of conversion of video aspect ratio of realizing is characterized in that: described realize video aspect ratio automatically the device of conversion be the digital TV set-top box with the ratio of width to height auto-conversion function.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106649570A (en) * | 2016-11-15 | 2017-05-10 | 歌尔科技有限公司 | Method and device for determining 360-degree panorama picture |
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| CN1104401A (en) * | 1993-04-05 | 1995-06-28 | 佳能株式会社 | Image processing apparatus |
| CN1111429A (en) * | 1993-10-20 | 1995-11-08 | 日本胜利株式会社 | Television receiver with an adjustable frame size |
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Application publication date: 20130515 |