CN102760465B - Method and device for positioning playing positions of audio/video files - Google Patents
Method and device for positioning playing positions of audio/video files Download PDFInfo
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- CN102760465B CN102760465B CN201110112560.2A CN201110112560A CN102760465B CN 102760465 B CN102760465 B CN 102760465B CN 201110112560 A CN201110112560 A CN 201110112560A CN 102760465 B CN102760465 B CN 102760465B
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- piloting
- starting point
- play position
- putting
- hunting zone
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
- G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
- G11B27/102—Programmed access in sequence to addressed parts of tracks of operating record carriers
- G11B27/105—Programmed access in sequence to addressed parts of tracks of operating record carriers of operating discs
Abstract
The invention discloses a method and a device for positioning playing positions of audio/video files. The method includes steps as follows: determining a start point and an end point of a search scope of playing positions of audio/video files; in the search scope, determining a start point of trial playing and starting trial playing; through the trial playing, determining whether the playing positions are found out; if yes, resuming playing from the playing positions in the trial playing; if no, according to the start point of the trial playing, adjusting the start point or the end point of the search scope, and determining the start point of the trial playing again within the adjusted search scope and playing again, until the playing positions are found. The method and device for positioning the playing positions of the audio/video files, provided by the invention, solve the problem in the prior art that the playing positions cannot be positioned accurately.
Description
Technical field
The present invention relates to Streaming Media field, particularly relate to a kind of method and device of locating audio-video document play position.
Background technology
Existing multimedia play equipment provides rich and varied playing function, and wherein, the common location audio-video document play position mode of a few class comprises:
The button such as multimedia play equipment arranges F.F., rewind and determine, locates for user's F.F., the quick playing audio-video of fast backward button;
The interface of multimedia play equipment arranges the regioselective frame of audio frequency and video, and user is positioned to the audio frequency and video of this fixed time by inputting the time of specifying;
Recording the last reproduction time, when replaying audio frequency and video, playing from recorded the last play time;
The interface of multimedia play equipment provides progress bar, drags to assigned address for user and play.
The mode that user uses fast forwarding and fast rewinding to locate may need long period repeatable operation just can find required play position, and location out of true; The mode that the fixed time locates is inputted, the time point that may be difficult to accurately to remember that required play position is corresponding due to user and there is the coarse problem in location equally by user; By the mode recording the last reproduction time to locate, because the last reproduction time is exactly not necessarily the play position that user expects, same exist the coarse problem in location; And utilize the mode of progress bar of dragging, due to the error of operation and progress bar display precision, same existence cannot pinpoint problem.
Summary of the invention
Embodiments provide a kind of method and the device that realize pinpoint location audio-video document play position.
A kind of method of locating audio-video document play position that the embodiment of the present invention provides, comprising:
Determine starting point and the end point of the hunting zone of audio-video document play position;
In hunting zone, the starting point that determining pilots puts also starts to pilot and puts;
Put by piloting and determine whether to find play position; If find, the play position of putting of then piloting continues to play;
If do not find, according to the described starting point of putting of piloting, the adjustment starting point of hunting zone or end point, and redefine the starting point of piloting and putting in hunting zone after the adjustment and restart to pilot and put, until find play position.
A kind of device of locating audio-video document play position that the embodiment of the present invention provides, comprising:
Determination module, for determining starting point and the end point of the hunting zone of audio-video document play position, and in hunting zone, the starting point that determining pilots puts; And redefine the starting point of piloting and putting in hunting zone after the adjustment;
Pilot amplification module, the starting point of putting for piloting of determining according to determination module starts to pilot and puts, and puts by piloting and determine whether to find play position; If find, the play position of putting of then piloting continues to play;
Adjusting module, for when amplification module of piloting does not find play position, according to the described starting point of putting of piloting, the starting point of adjustment hunting zone or end point.
The beneficial effect of the embodiment of the present invention comprises:
The method and apparatus of the location audio-video document play position that the embodiment of the present invention provides, first determines the hunting zone of play position in audio-video document, and the starting point of putting start to pilot and put of determining to pilot in hunting zone; Put by piloting and determine whether to find play position; If find, the play position of putting of then piloting continues to play; Otherwise, according to the described starting point of putting of piloting, adjustment hunting zone, and again put positioning playing position by piloting in hunting zone after the adjustment until find corresponding play position.The method and apparatus of the location audio-video document play position that the embodiment of the present invention provides, can when not finding play position, the starting point of putting according to piloting, the hunting zone of continuous adjustment play position, final realization, to the accurate location of play position, overcomes the coarse problem in location that existing location audio-video document play position mode exists.
Accompanying drawing explanation
The process flow diagram of the method for the location audio-video document play position that Fig. 1 provides for the embodiment of the present invention;
Fig. 2 is the process flow diagram of the embodiment of the present invention one;
Fig. 3 is the process flow diagram of the embodiment of the present invention two;
The structural representation of the device of the location audio-video document play position that Fig. 4 provides for the embodiment of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the embodiment of the localization method that the embodiment of the present invention provides is described in detail.
The method of the location audio-video document play position that the embodiment of the present invention provides, as shown in Figure 1, comprises the steps:
S101, the starting point determining the hunting zone of audio-video document play position and end point;
S102, in hunting zone, the starting point that determining pilots puts also starts to pilot and puts;
S103, to put by piloting and determine whether to find play position, if find, perform following step S104; Otherwise, perform following step S105;
S104, then the pilot play position of putting continue to play;
S105, according to pilot the starting point of putting, the starting point of adjustment hunting zone or end point; Then turn to and repeat above-mentioned steps S102.
If the stage of putting does not find play position piloting, so above-mentioned flow process can repeat and reduce hunting zone-cyclic process of putting of again piloting, and exits circulation until find when finding final play position.
In embodiments of the present invention, to pilot the play position of putting and referring to accurately find user finally to need, the one carried out is tentative, to provide user to can play operation for the purpose of the audio-video frequency content of reference, pilot put period, the normal broadcasting speed of audio frequency and video can be adopted to play, user can piloted the stage of putting, can have sufficient time to judge whether to locate the play position required for it.And, time put of piloting is controlled by user, as long as user sends the first instruction confirming to find play position, send in other words and do not find the second instruction of play position (namely give tacit consent to and do not send the first instruction), so this stage of putting of piloting just finishes.
Be described in detail with the method for two specific embodiments to the location audio-video document play position that the embodiment of the present invention provides below.
Embodiment one:
The localization method that embodiment one provides, as shown in Figure 2, comprises the steps:
S201, receive start search for instruction, determine starting point (SS, Start Point ofSearching Segment) and the end point (ES, End Point of Searching Segment) of hunting zone;
S202, the starting point (PS, Playing Point of Searching Segment) of putting piloting are set to PS=(SS+ES)/2;
Preferably, in this step S202, the starting point of putting piloting is set to the mid point of hunting zone.
Pilot S203, the starting point of putting from piloting and put; Then perform and jump to following step S204 or S206;
If S204 receives in the stage of putting of piloting the first instruction that play position is found in confirmation that user sends, or do not receive the second instruction that play position is not found in confirmation that user sends, so perform following step S205;
S205, confirmation have found play position, and the play position of putting of then piloting continues to play;
After above-mentioned steps S204 and S5205, no matter be receive user to send the form confirming to find the first instruction of play position, or confirm to have found play position with the form of the instruction not receiving advance that user sends or retrogressing, the method continuing to play can be adopted, namely do not need again repeat playing to pilot content that the stage of putting play, only needs then to put the play position found by piloting and continues according to normal speed playing audio-video document forward.
If S206 receives in the stage of putting of piloting the second instruction that user sends, then perform following step S207 further;
S207, judge that the second instruction received in the stage of putting of piloting is that advancement commands still retreats instruction, if retreat instruction, perform following step S208; Otherwise, perform following step S209;
In second instruction, specifically can comprise two kinds of instructions, namely play position is in the retrogressing instruction at the rear of the content of putting of piloting, and the advancement commands of instruction play position in the front of the content of putting of piloting.
S208, the end point of hunting zone is adjusted to the starting point of piloting and putting, i.e. ES=PS, the starting point of hunting zone still remains the starting point determined in step S201; Then above-mentioned steps S202 is turned to, again according to the hunting zone after adjustment, the starting point that determining pilots next time puts.
S209, the starting point of hunting zone is adjusted to the starting point of piloting and putting, i.e. SS=PS, the end point of hunting zone still remain step S201 determine in end point; Then above-mentioned steps S202 is turned to, again according to the hunting zone after adjustment, the starting point that determining pilots next time puts.
In above-mentioned steps S201, determine the starting point of hunting zone and the initial value of end point, the starting point and end point that adopt audio frequency and video can be given tacit consent to, also can specify concrete starting point and end point by user, the starting point such as providing the modes such as the user interface of inputted search scope to receive user's input and end point realize.
Preferably, in embodiments of the present invention, the calculating of the starting point of putting of piloting is least unit with second, and in position fixing process, all calculating rounds, i.e. fractions omitted.
The said method utilizing above-described embodiment one to provide, supposes total duration T=120 minute of audio-video document, and the play position of required location is 32 minutes 57 seconds.In the limiting case (namely just at once receive the instruction of advancing or retreating in the starting point of putting of piloting, then what the starting point of putting of at every turn piloting changed is recorded as:
60 minutes → 30 minutes → 45 minutes → 37 points 30 seconds → 33 points 45 seconds → 31 points 52 seconds → 32 points 48 seconds → 33 points 16 seconds → 33 points 2 seconds → 32 points 55 seconds → 32 points 58 seconds → 32 points 56 seconds → 32 points 57 seconds.
Can be found out by above-mentioned example, use the method for above-mentioned location audio-video document play position, under the prerequisite of less examination broadcasting time, the accurate location to audio-video document can be realized, improve the efficiency of play position location.
Embodiment two:
As shown in Figure 3, the specific implementation of the step S301 in the present embodiment two ~ S308 is consistent with the step S201 in above-described embodiment one ~ S208, distinctive points is, in the step S309 of the present embodiment two, after receiving advancement commands, the starting point of adjustment hunting zone is that the starting point of putting of piloting adds the duration of piloting and putting.Also namely: SS=PS+t; Wherein, when t is for receiving advancement commands, the duration put of having piloted.
In the present embodiment two, the starting point of adjustment hunting zone is that the starting point of putting of piloting adds the duration of piloting and putting, be the implementation of the starting point of putting of piloting compared with the starting point adjusting hunting zone in embodiment one, owing to further reducing the scope of search, the efficiency that searching times improves search can be reduced to a certain extent.
Preferably, in above-described embodiment one and embodiment two, erroneous judgement may be there is in user, such as: the play position needed for user be 32 points 57 seconds, and user have selected " retrogressing " operation (in fact should select forward operation) when PS=30 minute, in order to improve fault-tolerant ability, the method of the location audio-video document play position that the embodiment of the present invention provides, also comprise: the starting point of memory search scope and the change record each time of end point, and when receiving the cancel an order sent of user, can according to the historical record preserved, hunting zone is readjusted for the starting point of record the last before receiving cancel an order and the position of end point are searched for.
Or for the audio frequency and video of aforementioned total duration T=120 minute, the historical record stored was:
SS:0 minute → 0 minute → 30 minutes → 30 minutes → 30 minutes → 30 minutes → 31 points 52 seconds → 32 points 48 seconds → 32 points 48 seconds → 32 points 48 seconds → 32 points 55 seconds → 32 points 55 seconds → 32 points 56 seconds;
ES is: 120 minutes → 60 minutes → 60 minutes → 45 minutes → 37 points 30 seconds → 33 points 45 seconds → 33 points 45 seconds → 33 points 45 seconds → 33 points 16 seconds → 33 points 2 seconds → 33 points 2 seconds → 32 points 58 seconds → 32 points 58 seconds.
Preferably, due to the localization method in the above-mentioned audio-video document play position adopting the embodiment of the present invention to provide, constantly can reduce hunting zone, when so will cause the play position in hunting zone close to required location, above-mentioned flow process is constantly performed in a less scope, until accurately navigate to required play position, thisly to shake frequently, the reduction of search efficiency may be brought on the contrary, therefore, the localization method of the audio-video document play position that the embodiment of the present invention provides, can also when receiving user and sending the instruction of manual search, terminate automatic search process namely to stop piloting and the step such as to put, the manual search instruction directly sent according to user, locate required play position.Realize the combination of manual search and automatic search, improve the dirigibility of the location of audio-video document play position, further improve the efficiency of play position location.
Based on same inventive concept, the embodiment of the present invention additionally provides a kind of device of locating audio-video document play position, the principle of dealing with problems due to this device is similar to the method for aforementioned location audio-video document play position, therefore the enforcement of this device see the enforcement of preceding method, can repeat part and repeats no more.
The embodiment of the present invention also provides a kind of device of locating audio-video document play position, as shown in Figure 4, comprising:
Determination module 401, for determining starting point and the end point of the hunting zone of audio-video document play position, and in hunting zone, the starting point that determining pilots puts; And redefine the starting point of piloting and putting in hunting zone after the adjustment;
Pilot amplification module 402, the starting point of putting for piloting of determining according to determination module 401 starts to pilot and puts, and puts by piloting and determine whether to find play position; If find, the play position of putting of then piloting continues to play;
Adjusting module 403, for when amplification module of piloting does not find play position, the starting point of putting according to piloting, the starting point of adjustment hunting zone or end point.
Further, above-mentioned determination module 401, specifically for according to the starting point of hunting zone and end point, calculates the mid point of this hunting zone, using the starting point that this mid point is put as piloting.
Further, above-mentioned amplification module 402 of piloting, specifically for determining whether to look for play position by following manner: if in the process of putting of piloting, receive confirmation that user sends to find the first instruction of play position or do not receive the second instruction that play position is not found in confirmation that user sends, then determine to find play position; If in the process of putting of piloting, receive the second instruction that play position is not found in confirmation that user sends, then determine not find play position.
Further, above-mentioned adjusting module 403, specifically for when receiving in the second instruction the advancement commands in the front indicating play position in the content of putting of piloting, the starting point adjusting described hunting zone for described in pilot the starting point of putting or for described in the starting point of putting of piloting add the duration of piloting and putting, and keep the end point of described hunting zone constant; When receiving in the second instruction the retrogressing instruction at the rear indicating play position in the content of putting of piloting, the end point adjusting described hunting zone for described in pilot the starting point of putting, and keep the starting point of described hunting zone constant.
Further, the device of the location audio-video document play position that the embodiment of the present invention provides, as shown in Figure 4, can also comprise: memory module 404;
Memory module 404, for the change record each time of the starting point and end point that store described hunting zone;
Correspondingly, adjusting module 403, the cancel an order also for sending according to user, readjusts described hunting zone as the starting point of record the last before described cancel an order and the position of end point.
Further, the device of the location audio-video document play position that the embodiment of the present invention provides, as shown in Figure 4, can also comprise: manual search support module 405, for when receiving user and sending the instruction of manual search, amplification module of piloting described in notice terminates to pilot and puts, and according to the manual search instruction that user sends, finds play position.
The device of the above-mentioned location audio-video document play position that the embodiment of the present invention provides, in the specific implementation, can be arranged in various multimedia play equipment, the telepilot that such as televisor or VCD/DVD machine are supporting, in the playing controller of mobile phone terminal or other playback equipments, be particularly useful for televisor that some equipment not too facilitating user to manually locate such as commonly use or the supporting telepilot of VCD/DVD machine, these equipment often provide only some simple buttons and such as advance, retreat, determine, and not for the progress bar etc. that such as can drag of user flexibility location, like this, the device of the above-mentioned location audio-video document play position adopting the embodiment of the present invention to provide, obviously can reach and both be user-friendly to, again can the object of accurate positioning playing position, and it is little to the transformation of hardware, implementation cost is lower.
The method and apparatus of the location audio-video document play position that the embodiment of the present invention provides, first determines starting point and the end point of the hunting zone of audio-video document play position, and the starting point of putting start to pilot and put of determining to pilot in hunting zone; Put by piloting and determine whether to find play position; If find, the play position of putting of then piloting continues to play; Otherwise, according to the described starting point of putting of piloting, adjustment hunting zone, and again put positioning playing position by piloting in hunting zone after the adjustment until find corresponding play position.The method and apparatus of the location audio-video document play position that the embodiment of the present invention provides, can when not finding play position, the starting point of putting according to piloting, the hunting zone of continuous adjustment play position, final realization, to the accurate location of play position, overcomes the coarse problem in location that existing location audio-video document play position mode exists.
And, the method and apparatus of the location audio-video document play position that the embodiment of the present invention provides, automatic search can also be combined with the manual search of user, avoid occurring during the play position in hunting zone close to required location shaking the lower problem of caused search efficiency frequently, improve the dirigibility of the location of audio-video document play position, further improve the efficiency of play position location.
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (10)
1. locate a method for audio-video document play position, it is characterized in that, comprising:
Determine starting point and the end point of the hunting zone of audio-video document play position;
In hunting zone, the starting point that determining pilots puts also starts to pilot and puts;
Put by piloting and determine whether to find play position; If find, the play position of putting of then piloting continues to play;
If do not find, according to the described starting point of putting of piloting, the adjustment starting point of hunting zone or end point, and redefine the starting point of piloting and putting in hunting zone after the adjustment and restart to pilot and put, until find play position;
Wherein, the starting point of putting of determining to pilot comprises:
According to starting point and the end point of described hunting zone, calculate the mid point of described hunting zone;
Using the starting point that described mid point is put as piloting.
2. the method for claim 1, is characterized in that, putting and determining whether to find play position, being determined by following manner by piloting:
If in the process of putting of piloting, receive confirmation that user sends and find the first instruction of play position or do not receive the second instruction that play position is not found in confirmation that user sends, then determine to find play position;
If in the process of putting of piloting, receive the second instruction that play position is not found in confirmation that user sends, then determine not find play position.
3. method as claimed in claim 2, it is characterized in that, described second instruction comprises: the advancement commands of instruction play position in the front of the content of putting of piloting and the retrogressing instruction of instruction play position at the rear of the content of putting of piloting;
The starting point of putting according to piloting, the starting point of adjustment hunting zone or end point, specifically comprise:
When receiving described advancement commands, the starting point adjusting described hunting zone for described in pilot the starting point of putting or for described in the starting point of putting of piloting add the duration of piloting and putting, and keep the end point of described hunting zone constant;
When receiving described retrogressing instruction, the end point adjusting described hunting zone for described in pilot the starting point of putting, and keep the starting point of described hunting zone constant.
4. the method as described in any one of claim 1-3, is characterized in that, also comprises:
Store the starting point of described hunting zone and the change record each time of end point;
According to the cancel an order that user sends, described hunting zone is readjusted for the starting point of record the last before described cancel an order and the position of end point are searched for.
5. the method as described in any one of claim 1-3, is characterized in that, also comprises: when receiving user and sending the instruction of manual search, and terminating pilots puts, and according to the manual search instruction that user sends, finds play position.
6. locate a device for audio-video document play position, it is characterized in that, comprising:
Determination module, for determining starting point and the end point of the hunting zone of audio-video document play position, and in hunting zone, the starting point that determining pilots puts; And redefine the starting point of piloting and putting in hunting zone after the adjustment;
Pilot amplification module, the starting point of putting for piloting of determining according to determination module starts to pilot and puts, and puts by piloting and determine whether to find play position; If find, the play position of putting of then piloting continues to play;
Adjusting module, for when amplification module of piloting does not find play position, according to the described starting point of putting of piloting, the starting point of adjustment hunting zone or end point;
Wherein, described determination module, specifically for according to the starting point of described hunting zone and end point, calculates the mid point of described hunting zone, using the starting point that described mid point is put as piloting.
7. device as claimed in claim 6, it is characterized in that, described amplification module of piloting, specifically for determining whether to look for play position by following manner: if in the process of putting of piloting, receive confirmation that user sends to find the first instruction of play position or do not receive the second instruction that play position is not found in confirmation that user sends, then determine to find play position; If in the process of putting of piloting, receive the second instruction that play position is not found in confirmation that user sends, then determine not find play position.
8. device as claimed in claim 7, it is characterized in that, described adjusting module, specifically for when receiving in the second instruction the advancement commands in the front indicating play position in the content of putting of piloting, the starting point adjusting described hunting zone for described in pilot the starting point of putting or for described in the starting point of putting of piloting add the duration of piloting and putting, and keep the end point of described hunting zone constant; When receiving in the second instruction the retrogressing instruction at the rear indicating play position in the content of putting of piloting, the end point adjusting described hunting zone for described in pilot the starting point of putting, and keep the starting point of described hunting zone constant.
9. the device as described in any one of claim 6-8, is characterized in that, also comprises: memory module;
Described memory module, for the change record each time of the starting point and end point that store described hunting zone;
Described adjusting module, the cancel an order also for sending according to user, readjusts described hunting zone as the starting point of record the last before described cancel an order and the position of end point.
10. the device as described in any one of claim 6-8, is characterized in that, also comprises: manual search support module, for when receiving user and sending the instruction of manual search, amplification module of piloting described in notice terminates to pilot and puts, and according to the manual search instruction that user sends, finds play position.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110112560.2A CN102760465B (en) | 2011-04-29 | 2011-04-29 | Method and device for positioning playing positions of audio/video files |
| PCT/CN2012/072927 WO2012146106A1 (en) | 2011-04-29 | 2012-03-23 | Method, device and computer program for locating playback position in audio-video files, and storage medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110112560.2A CN102760465B (en) | 2011-04-29 | 2011-04-29 | Method and device for positioning playing positions of audio/video files |
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| Publication Number | Publication Date |
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| CN102760465A CN102760465A (en) | 2012-10-31 |
| CN102760465B true CN102760465B (en) | 2015-03-11 |
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| CN201110112560.2A Active CN102760465B (en) | 2011-04-29 | 2011-04-29 | Method and device for positioning playing positions of audio/video files |
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| CN (1) | CN102760465B (en) |
| WO (1) | WO2012146106A1 (en) |
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| CN104683875A (en) * | 2015-02-11 | 2015-06-03 | 华为技术有限公司 | Method and device for presenting digital medium contents |
| CN108683943A (en) * | 2018-03-30 | 2018-10-19 | 晨星半导体股份有限公司 | The method of electronic equipment and its positioning playing audio-video document |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1531339A (en) * | 2003-03-13 | 2004-09-22 | Lg | Video frequency reproducing method and apparatus, system therewith |
| CN102033923A (en) * | 2010-12-14 | 2011-04-27 | 百度时代网络技术（北京）有限公司 | Method and device for searching and displaying online videos |
-
2011
- 2011-04-29 CN CN201110112560.2A patent/CN102760465B/en active Active
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- 2012-03-23 WO PCT/CN2012/072927 patent/WO2012146106A1/en active Application Filing
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1531339A (en) * | 2003-03-13 | 2004-09-22 | Lg | Video frequency reproducing method and apparatus, system therewith |
| CN102033923A (en) * | 2010-12-14 | 2011-04-27 | 百度时代网络技术（北京）有限公司 | Method and device for searching and displaying online videos |
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| CN102760465A (en) | 2012-10-31 |
| WO2012146106A1 (en) | 2012-11-01 |
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