CN103024513B - A kind of method of Digital Television fast channel switching - Google Patents
A kind of method of Digital Television fast channel switching Download PDFInfo
- Publication number
- CN103024513B CN103024513B CN201210556915.1A CN201210556915A CN103024513B CN 103024513 B CN103024513 B CN 103024513B CN 201210556915 A CN201210556915 A CN 201210556915A CN 103024513 B CN103024513 B CN 103024513B
- Authority
- CN
- China
- Prior art keywords
- state
- receiving terminal
- control unit
- control signal
- terminal control
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The invention discloses a kind of Digital Television fast channel switching method, comprise: set up finite state machine model in advance, use the state of enumerated variable definition DTV receiving terminal control unit, pre-stored comprises the state of described DTV receiving terminal control unit, incoming event and exports the state transition table of control signal; Receive the incoming event that user triggers; The current state of the incoming event triggered according to described user and described DTV receiving terminal control unit, check the state transition table of described pre-stored, be switched to new state, and produce and export control signal, drive OSD region along with user key-press real-time update and start zapping control circuit after user key-press time-out.Implement the embodiment of the present invention, can Consumer's Experience be improved.
Description
Technical field
The present invention relates to electronic technology field, refer more particularly to a kind of method realizing Digital Television fast channel switching on single task system.
Background technology
Digital Television is carried out switching channels (zapping) when operating, due to DTV(DTV, Digital Television, Digital Television) receiving terminal apparatus has to pass through complicated data handling procedure, as tuning (tune), demodulation (demodulation), transmission flow demultiplexing (demux), audio/video decoding (decode), digital-to-analogue conversion (DAC) etc., audio/video program could be broadcasted, cause DTV and traditional ATV(ATV, Analog Television, simulated television) to compare, zapping speed wants slow many.User is when zapping, although directly can select channel by pressing the combination of corresponding numerical key, user tends to use " channel+" or " channel-" more, TV is transferred to the channel oneself wishing to watch.See Fig. 1, it is the DTV screen display schematic diagram of prior art, when zapping, the upper right corner of screen and the lower zone of screen are OSD(OSD, On-Screen Display, on-screen menu shows) region, the upper right corner generally identifies the channel of actual program, on the channel bar of below except channel, topmost content is current channel designation.Mid portion is video display area, program content playing, when zapping, is generally blank screen or quiet frame (retaining the last frame video image of old channel program).Current single task system, when user presses " channel+" or " channel-" key of remote controller, a zapping will be triggered, due to technical reason above, system needs the longer time just can complete zapping action, especially when user presses " channel+" continuously or " channel-" is intended to continuous zapping, can find that system terminal occurs significantly sluggish, after some system can wait for that zapping action consuming time all completes, until just respond the button again of user when seeing new video, and some system can after a part for zapping action completes, as stopped frequency locking action, the button again of response user, but user still feels that response is sluggish, Consumer's Experience is just poor.
Summary of the invention
For solving the problems of the technologies described above, the object of the invention is to, a kind of method of Digital Television fast channel switching being provided, being specially adapted on single task system, the response sluggishness occurred during user's continuous key-press can be avoided, promote Consumer's Experience.
A kind of Digital Television fast channel switching method that the embodiment of the present invention provides, comprising:
Set up finite state machine model in advance, use the state of enumerated variable definition DTV receiving terminal control unit, pre-stored comprises the state of described DTV receiving terminal control unit, incoming event and exports the state transition table of control signal;
Receive the incoming event that user triggers;
The current state of the incoming event triggered according to described user and described DTV receiving terminal control unit, check the state transition table of described pre-stored, be switched to new state, and produce and export control signal, drive OSD region along with user key-press real-time update and start zapping control circuit after user key-press time-out.
Selectable, the state of described DTV receiving terminal control unit comprises idle condition and busy condition, incoming event is overtime after comprising user key-press and user key-press, and described output control signal comprises Timer Controlling signal, OSD control signal and zapping circuit control signal; Described state machine model comprises:
If when the state of DTV receiving terminal control unit is idle condition, when receiving user key-press, output timer control signal starts timer, exports the channel display that OSD control signal upgrades OSD region, and the state of DTV receiving terminal control unit is switched to busy condition;
If when the state of DTV receiving terminal control unit is busy condition, in timer expiry time T, when receiving user key-press, output timer control signal restarts timer, exports the channel display that OSD control signal upgrades OSD region; If the state of DTV receiving terminal control unit is busy condition, timer reaches time-out time T, timeing closing device, exports zapping circuit control signal and starts zapping action, and the state of DTV receiving terminal control unit is switched to idle condition.
Optionally, the scope of described timer expiry time T is 120 milliseconds to 200 milliseconds.
Implementing the embodiment of the present invention, when DTV receiving terminal control unit is idle condition, when receiving user key-press, starting timer, upgrade the channel display in OSD region; Be busy condition at DTV receiving terminal control unit, receive user key-press, restart timer, and upgrade the channel display in OSD region, only when timer reaches time-out time T, just start zapping action consuming time, can avoid the response sluggishness occurred during user's continuous key-press, real-time indicated channel upgrades, when being transferred to the object channel of user, stop key, wait for that zapping action completes, improve Consumer's Experience.
Accompanying drawing explanation
Fig. 1 is the digital TV screen display schematic diagram that prior art and the present invention adopt;
Fig. 2 is the flow chart of an embodiment of the method for a kind of Digital Television fast channel switching provided by the invention;
Fig. 3 is the state transition graph of the finite state machine in Fig. 2 embodiment.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
See Fig. 2, it is the flow chart of an embodiment of the method for a kind of Digital Television fast channel switching provided by the invention.
A kind of Digital Television fast channel switching method that the present embodiment provides, comprising:
Set up finite state machine model in advance, use the state of enumerated variable definition DTV receiving terminal control unit, pre-stored comprises the state of described DTV receiving terminal control unit, incoming event and exports the state transition table of control signal;
Receive the incoming event that user triggers;
The current state of the incoming event triggered according to described user and described DTV receiving terminal control unit, check the state transition table of described pre-stored, be switched to new state, and produce and export control signal, drive OSD region along with user key-press real-time update and start zapping control circuit after user key-press time-out.
Preferably, the state of described DTV receiving terminal control unit comprises idle condition and busy condition, incoming event is overtime after comprising user key-press and user key-press, and described output control signal comprises Timer Controlling signal, OSD control signal and zapping circuit control signal; Described state machine model comprises:
If when the state of DTV receiving terminal control unit is idle condition, when receiving user key-press, output timer control signal starts timer, exports the channel display that OSD control signal upgrades OSD region, and the state of DTV receiving terminal control unit is switched to busy condition;
If when the state of DTV receiving terminal control unit is busy condition, in timer expiry time T, when receiving user key-press, output timer control signal restarts timer, exports the channel display that OSD control signal upgrades OSD region; If the state of DTV receiving terminal control unit is busy condition, timer reaches time-out time T, timeing closing device, exports zapping circuit control signal and starts zapping action, and the state of DTV receiving terminal control unit is switched to idle condition.
Following table is the state transition table of the finite state machine that the present embodiment provides:
See Fig. 3, it is the state transition graph of finite state machine in the embodiment of the present invention.The state of DTV receiving terminal control unit comprises idle condition and busy condition, and as Fig. 3, idle condition is designated as 01 state, and busy condition is designated as 10 states.User presses the button of modulator, as " channel+" or " channel-", and definition incoming event I fetch logic value 1, time-out after user does not have button or user key-press, incoming event I fetch logic value 0.Export control signal and comprise Timer Controlling signal X, OSD control signal Y and zapping circuit control signal Z, when definition Timer Controlling signal X fetch logic is worth 1, timer restart, timing of namely starting from scratch, when Timer Controlling signal X fetch logic is worth 0, timer cuts out.When definition OSD control signal Y fetch logic is worth 1, upgrade the channel display in OSD region according to user key-press, when OSD control signal Y value 0, the display in OSD region remains unchanged.During definition zapping circuit control signal Z value 1, export zapping circuit control signal to start zapping action consuming time, when zapping circuit control signal value 0, do not start zapping action.
Composition graphs 3, illustrates the workflow of the method for a kind of Digital Television fast channel switching that the embodiment of the present invention provides.
(1), DTV receiving terminal control unit is established to be initially idle condition 01, digital television program normal play.When user presses " channel+" or " channel-", namely I value is 1, and at this moment DTV receiving terminal control unit State Transferring is busy condition 10.It is 1 that X exports, and starts timer, from zero timing.It is 1 that Y exports, and upgrades the channel display in OSD region according to user key-press.It is 0 that Z exports, the zapping action that unactual startup is consuming time.When DTV receiving terminal control unit state is busy condition 10 state, one of the following step (2) or step (3) may be there is.
(2), at timer reach between time-out time T, user continues button, and I value is 1.It is 1 that X exports, and restarts timer, timing of starting from scratch.Y value is 1, upgrades the channel display in OSD region.It is 0 that Z exports, and is also not activated zapping action consuming time.It is constant that the state of DTV receiving terminal control unit maintains 10 states.After (2) step, generation step (2) or generation step (3) may be repeated.The scope of timer expiry time T is 120 milliseconds to 200 milliseconds, about the setting of timer expiry time T, come from the spaced design of remote controller continuous key-press, the interval being near or below 100ms may user identify not out, and the audio frequency and video time out can be made instead to lengthen more than the interval of 200ms, damage Consumer's Experience on the contrary.
(3), when timer reaches time-out time T, user does not have key-press input, and I value is 0, X output is 0, timeing closing device.Y output is that the channel display in 0, OSD region remains unchanged.It is 1 that Z exports, and zapping circuit starts to start zapping action, and after the of short duration wait of user, video plays back on frequency curtain.
One of ordinary skill in the art will appreciate that the hardware that all or part of step realizing above-described embodiment method can carry out instruction relevant by program has come, described program to be stored in a computer-readable recording medium, and described storage medium is as ROM/RAM, magnetic disc, CD etc.
The above is the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvement and distortion, these improve and distortion is also considered as protection scope of the present invention.
Claims (3)
1. a Digital Television fast channel switching method, is characterized in that, comprising:
Set up finite state machine model in advance, use the state of enumerated variable definition DTV receiving terminal control unit, pre-stored comprises the state of described DTV receiving terminal control unit, incoming event and exports the state transition table of control signal; Wherein, described state machine model comprises:
If when the state of DTV receiving terminal control unit is idle condition, when receiving user key-press, output timer control signal starts timer, exports the channel display that OSD control signal upgrades OSD region, and the state of DTV receiving terminal control unit is switched to busy condition;
If when the state of DTV receiving terminal control unit is busy condition, in timer expiry time T, when receiving user key-press, output timer control signal restarts timer, exports the channel display that OSD control signal upgrades OSD region; If the state of DTV receiving terminal control unit is busy condition, timer reaches time-out time T, timeing closing device, exports zapping circuit control signal and starts zapping action, and the state of DTV receiving terminal control unit is switched to idle condition;
Receive the incoming event that user triggers;
The current state of the incoming event triggered according to described user and described DTV receiving terminal control unit, check the state transition table of described pre-stored, be switched to new state, and produce and export control signal, drive OSD region along with user key-press real-time update and start zapping control circuit after user key-press time-out.
2. Digital Television fast channel switching method as claimed in claim 1, it is characterized in that, the state of described DTV receiving terminal control unit comprises idle condition and busy condition, incoming event is overtime after comprising user key-press and user key-press, and described output control signal comprises Timer Controlling signal, OSD control signal and zapping circuit control signal.
3. Digital Television fast channel switching method as claimed in claim 2, it is characterized in that, the scope of described timer expiry time T is 120 milliseconds to 200 milliseconds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210556915.1A CN103024513B (en) | 2012-12-20 | 2012-12-20 | A kind of method of Digital Television fast channel switching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210556915.1A CN103024513B (en) | 2012-12-20 | 2012-12-20 | A kind of method of Digital Television fast channel switching |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103024513A CN103024513A (en) | 2013-04-03 |
| CN103024513B true CN103024513B (en) | 2015-09-16 |
Family
ID=47972566
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210556915.1A Active CN103024513B (en) | 2012-12-20 | 2012-12-20 | A kind of method of Digital Television fast channel switching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103024513B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103401573A (en) * | 2013-07-31 | 2013-11-20 | 北京昆腾微电子有限公司 | Status adjusting method, adjusting device and audio receiver of audio receiving chip |
| CN104581387B (en) * | 2014-12-25 | 2018-08-14 | 深圳市九洲电器有限公司 | TV programme channel switching method and system |
| CN105979354A (en) * | 2015-11-30 | 2016-09-28 | 乐视致新电子科技（天津）有限公司 | Channel switching method and device |
| CN107750011A (en) * | 2017-11-03 | 2018-03-02 | 泾县吉祥纸业有限公司 | A kind of DTV multithreading channel switching method and system |
| CN108650539B (en) * | 2018-04-11 | 2020-12-08 | 海信电子科技（深圳）有限公司 | Man-machine interaction asynchronous control method and device for terminal |
| CN108712668A (en) * | 2018-05-31 | 2018-10-26 | 深圳市茁壮网络股份有限公司 | A kind of method and system for accelerating live streaming to cut platform |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1956536A (en) * | 2005-10-27 | 2007-05-02 | 上海未来宽带技术及应用工程研究中心有限公司 | Method of smooth switching IPTV band |
| CN102572587A (en) * | 2012-02-22 | 2012-07-11 | 广东九联科技股份有限公司 | Set-top box and method for quickly switching channel |
| CN102665105A (en) * | 2012-05-15 | 2012-09-12 | 山东泰信电子有限公司 | Method for realizing rapid channel change of digital television terminal |
-
2012
- 2012-12-20 CN CN201210556915.1A patent/CN103024513B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1956536A (en) * | 2005-10-27 | 2007-05-02 | 上海未来宽带技术及应用工程研究中心有限公司 | Method of smooth switching IPTV band |
| CN102572587A (en) * | 2012-02-22 | 2012-07-11 | 广东九联科技股份有限公司 | Set-top box and method for quickly switching channel |
| CN102665105A (en) * | 2012-05-15 | 2012-09-12 | 山东泰信电子有限公司 | Method for realizing rapid channel change of digital television terminal |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103024513A (en) | 2013-04-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103024513B (en) | A kind of method of Digital Television fast channel switching | |
| US11122330B1 (en) | Feature activation on occurrence of an event | |
| CN102630383B (en) | Display device, control method for said display device | |
| CN102868472B (en) | Suitable for controlling the wireless terminal broadcasted in external equipment | |
| JP2007214983A (en) | Video display device with quick start mode | |
| CN104202649A (en) | Method for operating multiple applications of intelligent television synchronously | |
| US20210120204A1 (en) | Method and system for automatically switching off a display screen of a television device | |
| CN103108232A (en) | Method and system based on interaction control of mobile phone and television | |
| CN106162332A (en) | One is televised control method and device | |
| CN104202672A (en) | Method of quickly entering time shifting program or program reservation | |
| CN103686167A (en) | Multi-stream broadcast method and device | |
| CN101729820A (en) | Television set with eyesight protection function and implementation method for same | |
| CN101252654A (en) | Television set appointed program starting up method | |
| WO2007073412A1 (en) | Mobile television gap filler during channel switching | |
| CN101515991A (en) | Method and device for remote control | |
| CN1889640A (en) | Method for television demonstrating program to carry out initialization | |
| CN1885923B (en) | Television program timing zap controlling method | |
| CN102118586B (en) | Television with custom broadcasting function display mode | |
| CN101465984A (en) | Digital television receiver and soft control implementing method thereof | |
| CN101159827A (en) | TV program information display method | |
| CN104615434A (en) | Method and system for displaying file list interface | |
| CN103747288A (en) | Automatic mode switching television apparatus and control method thereof | |
| KR100386274B1 (en) | Editing method for external input of television | |
| US8896763B1 (en) | Television and method for switching television channels | |
| WO2020114165A1 (en) | Channel switching method and smart television |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |