CN107547891B - Flow media playing method, device and playback equipment - Google Patents
Flow media playing method, device and playback equipment Download PDFInfo
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Abstract
The present invention provides a kind of flow media playing method, device and playback equipment.Wherein, flow media playing method includes: to obtain the current corresponding play time of audio data and benchmark play time to be played, and current video data to be played when audio decoder changes from no input data to there is new input data；According to the play time and the benchmark play time, the broadcasting of the current audio data to be played is controlled, and plays the current video data to be played.Flow media playing method provided by the invention, can to avoid due to caused by audio data play time exception video there is Caton or F.F., guarantee the fluency that audio-visual synchronization plays, the user experience is improved.
Description
Technical field
The present invention relates to field of communication technology more particularly to a kind of flow media playing methods, device and playback equipment.
Background technique
Follow the method for audio data broadcasting as audio-video currently, real time flow medium player generallys use video data
Synchronization mechanism.Fig. 1 is the operation principle schematic diagram that audio-visual synchronization in the prior art plays, as shown in Figure 1, audio data is broadcast
It is put into some time point, the identical time point will be also played simultaneously in video data, to realize that audio-visual synchronization plays.
Wherein, there is audio decoder, audio decoder is decoded audio data, and calculates audio in real time flow medium player
The play time of data.
For certain audio decoders, if stopping filling audio data, sound to audio decoder at some time point
Frequency decoder will stop exporting decoded audio data, at this point, decoded audio data is stored in audio decoder, when
Crossed a period of time continue to audio decoder fill audio data when, previously in the decoded of audio decoder storage inside
Audio data will continue to export, and still, the decoded audio data exported at this time is expired audio data, according to
The problem of audio-visual synchronization mechanism, video data follow audio data to play out, and video playing will appear Caton or F.F..
Summary of the invention
The present invention provides a kind of flow media playing method, device and playback equipment, broadcasts for solving existing audio data
It puts time point extremely caused video and the problem of Caton or F.F. occurs.
Flow media playing method provided by the invention, comprising:
When audio decoder changes from no input data to there is new input data, current audio number to be played is obtained
According to corresponding play time and benchmark play time, and current video data to be played；
According to the play time and the benchmark play time, the current audio data to be played is controlled
It plays, and plays the current video data to be played.
Optionally, it is described when audio decoder from no input data variation for have new input data when, obtain currently to
The corresponding play time of the audio data of broadcasting and benchmark play time, comprising:
When the audio decoder is without input data, the last the first audio data corresponding first played is obtained
Play time and the first system time point；
When the audio decoder has new input data, current second audio data to be played corresponding the is obtained
Two play times and second system time point；
Using the difference at the second system time point and the first system time point as the benchmark play time；
Correspondingly, it is described according to the play time and the benchmark play time, it controls described current to be played
Audio data broadcasting, comprising:
If the difference of second play time and first play time is less than the benchmark play time,
The current second audio data to be played is not played then.
Optionally, further includes:
If the difference of second play time and first play time is greater than the benchmark play time,
Then play the current second audio data to be played.
Optionally, if being less than the base in the difference of second play time and first play time
Quasi- play time, then after not playing the current second audio data to be played, further includes:
Obtain the corresponding third play time of next third audio data to be played after the second audio data
Point and the first video data to be played；
If the difference of the third play time and first play time is greater than the benchmark play time,
It then plays the third audio data and plays first video data；
If the difference of the third play time and first play time is less than the benchmark play time,
Do not play the third audio data then and play first video data, and continue to obtain the third audio data it
Next 4th audio data to be played and the second video data to be played afterwards execute the 4th audio data
The process for judging whether to play is stated, until broadcasting the 4th audio data or the audio decoder are without input data
Only.
Streaming medium playing device provided by the invention, comprising:
Module is obtained, for obtaining current when audio decoder changes from no input data to there is new input data
The corresponding play time of audio data to be played and benchmark play time, and current video data to be played；
Control module, for controlling described currently wait broadcast according to the play time and the benchmark play time
The broadcasting for the audio data put, and play the current video data to be played.
Optionally, the acquisition module is specifically used for:
When the audio decoder is without input data, the last the first audio data corresponding first played is obtained
Play time and the first system time point；
When the audio decoder has new input data, current second audio data to be played corresponding the is obtained
Two play times and second system time point；
Using the difference at the second system time point and the first system time point as the benchmark play time；
Correspondingly, the control module is specifically used for:
If the difference of second play time and first play time is less than the benchmark play time,
The current second audio data to be played is not played then.
Optionally, the control module is also used to:
If the difference of second play time and first play time is greater than the benchmark play time,
Then play the current second audio data to be played.
Optionally, the acquisition module is also used to:
Obtain the corresponding third play time of next third audio data to be played after the second audio data
Point and the first video data to be played；
The control module is also used to: being greater than in the difference of the third play time and first play time
When the benchmark play time, plays the third audio data and play first video data；
The acquisition module is also used to: being less than in the difference of the third play time and first play time
When the benchmark play time, continue to obtain after the third audio data next 4th audio data to be played with
And the second video data to be played；
The control module is also used to: being less than in the difference of the third play time and first play time
When the benchmark play time, the third audio data is not played and plays first video data, and to described
4th audio data executes the above-mentioned process for judging whether to play, until playing the 4th audio data or the audio solution
Until code device is without input data.
Playback equipment provided by the invention, comprising: memory and processor；
The memory, for storing instruction；
The processor is mentioned for running the instruction stored in the memory with executing any embodiment of the present invention
The flow media playing method of confession.
The present invention provides a kind of flow media playing method, device and playback equipment, wherein flow media playing method includes:
When audio decoder changes from no input data to there is new input data, it is corresponding to obtain current audio data to be played
Play time and benchmark play time, and current video data to be played, play according to play time and benchmark
Time point, the broadcasting of the current audio data to be played of control, and play the current video data to be played.The present invention
The flow media playing method of offer, can to avoid due to caused by audio data play time exception video occur Caton or
Person's F.F. guarantees the fluency that audio-visual synchronization plays, and the user experience is improved.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is this hair
Bright some embodiments for those of ordinary skill in the art without any creative labor, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the operation principle schematic diagram that audio-visual synchronization in the prior art plays；
Fig. 2 is the operation principle schematic diagram of audio decoder in the prior art；
Fig. 3 is that video in the prior art the operation principle schematic diagram of Caton or F.F. occurs；
Fig. 4 is the flow chart for the flow media playing method that the embodiment of the present invention one provides；
Fig. 5 is the flow chart of flow media playing method provided by Embodiment 2 of the present invention；
Fig. 6 is the structural schematic diagram for the streaming medium playing device that the embodiment of the present invention one provides；
Fig. 7 is the structural schematic diagram for the playback equipment that the embodiment of the present invention one provides.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
Flow media playing method, device and playback equipment provided by the invention, are mainly used in video data according to video
The scene that data play time point continuously plays, to solve due to audio data play time exception caused by video go out
The problem of existing Caton or F.F..
For clear explanation flow media playing method, device and playback equipment provided by the invention, below first simple introduce
The working principle of audio decoder and due to the extremely caused video card of audio data play time in the prior art
Or the problem of F.F..
Fig. 2 is the operation principle schematic diagram of audio decoder in the prior art.As shown in Fig. 2, being filled out to audio decoder
Fill not decoded audio data 1, audio decoder is decoded audio data 1, and calculate obtain audio data 1 broadcasting when
Between point be 0ms, therefore, when to audio decoder fill not decoded audio data 2 when, export audio data 1, it is similar, according to
It is secondary to audio decoder filling not decoded audio data 3,4 when, export audio data 2,3, play time is followed successively by 20ms
And 40ms suspends to audio decoder input audio data later, at this point, audio decoder is stored with decoded audio number
According to 4, a period of time has been spent, has continued to fill audio data 8,9 to audio decoder, audio decoder can be sequentially output play time
Point is the audio data of 60ms, 140ms.As it can be seen that for Fig. 2 shows audio decoder, if some time point stop
Audio data is filled to audio decoder, audio decoder will stop exporting decoded audio data.
Fig. 3 is that video in the prior art the operation principle schematic diagram of Caton or F.F. occurs.As shown in figure 3,1,2,
3 ... waiting number is the play time of audio or video, and according to audio-visual synchronization mechanism, audio data is being played to 1,2,3
When, video data synchronization is played to 1,2,3, and for audio data when being played to 3, audio decoder stops output audio
Data, and video data continues to play, and is played to 6 always.At this point, audio decoder continues to output audio, will not export previously
Audio data 4 export, and video data should be played to 7 at this time, since video data play time 7 is greater than audio data
Play time 4, therefore, video data can suspend output, just will appear video cardton at this time, in next play time,
Audio data is played to 8, and video data play time 7 is less than audio data play time 8, and therefore, video council is quick
Refresh, just will appear F.F. at this time.As it can be seen that since video data follows audio data to play out, it will exist due to audio
There is the problem of Caton or F.F. in video caused by data play time point exception.
Fig. 4 is the flow chart for the flow media playing method that the embodiment of the present invention one provides, Streaming Media provided in this embodiment
Playback method, executing subject can be streaming medium playing device, and streaming medium playing device can be to control video in playing device
The synchronization module of data and audio data synchronism output.It, can be with as shown in figure 4, flow media playing method provided in this embodiment
Include:
Step 101, when audio decoder from the variation of no input data to there is new input data when, obtain current to be played
The corresponding play time of audio data and benchmark play time, and current video data to be played.
Specifically, audio decoder before sometime start no input data, crossed a period of time, audio solution
Code device has new input data, when audio decoder changes from no input data to there is new input data, obtains current
The corresponding play time of audio data to be played, wherein current audio data to be played may be that audio decoder exists
The expired audio data stored when no input data, it is also possible to corresponding with current video data synchronization to be played
Audio data.
Wherein, the current corresponding benchmark play time of audio data to be played, can be used for reflecting with currently wait broadcast
The play time of the corresponding audio data of the video data synchronization put, current video data to be played are to connect in video data
Current video data to be played under the scene that continued broadcasting is put.
Step 102, according to play time and benchmark play time, the current audio data to be played of control is broadcast
It puts, and plays the current video data to be played.
In this step, the current corresponding play time of audio data to be played, reflecting audio decoder has
The play time of current audio data to be played when new input data, the current corresponding benchmark of audio data to be played
Play time reflects the play time of audio data corresponding with current video data synchronization to be played, according to broadcasting
Time point and benchmark play time are put, can control whether current audio data to be played plays.
Specifically, current audio data to be played is played if play time matches with benchmark play time,
Alternatively, not playing current audio data to be played if play time and benchmark play time mismatch.
As it can be seen that flow media playing method provided in this embodiment, by comparing play time and benchmark play time,
It can control whether current audio data to be played plays.When play time and benchmark play time match, explanation
Current audio data to be played is synchronous corresponding with current video data to be played, at this point, control plays currently wait broadcast
The audio data put plays mechanism according to audio-visual synchronization, and video data follows audio data to play, video data may be implemented
With being played simultaneously for audio data.When play time and benchmark play time mismatch, illustrate current audio to be played
Data with current video data to be played be not it is synchronous corresponding, current audio data to be played is due to audio solution before
Code device does not have expired audio data caused by input data, at this point, control does not play current audio data to be played, and
Video data still according to play time play, be not in due to audio data play time exception caused by video
The problem of Caton or F.F., thereby may be ensured that the fluency that audio-visual synchronization plays, and the user experience is improved.
A kind of flow media playing method is present embodiments provided, available current audio data to be played is corresponding to be broadcast
Time point and benchmark play time are put, according to play time and benchmark play time, the current audio to be played of control
The broadcasting of data.Flow media playing method provided in this embodiment, can to avoid abnormal due to audio data play time and
There is Caton or F.F. in caused video, ensure that the fluency that audio-visual synchronization plays, the user experience is improved.
Fig. 5 is the flow chart of flow media playing method provided by Embodiment 2 of the present invention, and the present embodiment is in embodiment one
On the basis of, provide a kind of specific implementation of flow media playing method.As shown in figure 5, Streaming Media provided in this embodiment
Playback method, in embodiment one, step 101, when audio decoder from the variation of no input data to there is new input data when, obtain
The current corresponding play time of audio data and benchmark play time to be played are taken, may include:
Step 201, when audio decoder is without input data, it is corresponding to obtain the last the first audio data played
First play time and the first system time point.
Wherein, the first audio data refers to the audio decoder audio number that last time plays in no input data
According to the first system time point refers to the system time of playback equipment corresponding with the first play time.
Step 202, when audio decoder has new input data, it is corresponding to obtain current second audio data to be played
The second play time and second system time point.
Wherein, second audio data refers to audio decoder current audio number to be played when with new input data
According to second system time point refers to the system time of playback equipment corresponding with the second play time.
Step 203, using the difference at second system time point and the first system time point as benchmark play time.
Correspondingly, step 102, according to play time and benchmark play time, being controlled currently wait broadcast in embodiment one
The broadcasting for the audio data put may include:
If the difference of step 204, the second play time and the first play time is less than benchmark play time, no
Play current second audio data to be played.
Specifically, benchmark play time is the difference at second system time point and the first system time point, due to video
Data are continuously played according to video data play time, and benchmark play time is the difference of system time, therefore, are led to
Crossing the benchmark play time that system time determines can reflect out audio corresponding with current video data synchronization to be played
The play time of data.When the difference of the second play time and the first play time is less than benchmark play time,
Illustrate that current second audio data to be played is sound expired caused by not having input data due to audio decoder before
Frequency evidence, so, control does not play current second audio data to be played, and video data is still according to play time program request
Put, be not in due to audio data play time exception caused by video cardton or the problem of F.F., so as to
Guarantee the fluency that audio-visual synchronization plays, the user experience is improved.
It should be noted that " first " and " second " in the present embodiment, is only to discriminate between each object of different moments, and
It is not necessarily used for describing specific sequence or precedence, the describing mode is also suitable other embodiments in this present embodiment.
Optionally, flow media playing method provided in this embodiment can also include:
If the difference of the second play time and the first play time is greater than benchmark play time, play currently to
The second audio data of broadcasting.
Specifically, being said when the difference of the second play time and the first play time is greater than benchmark play time
Bright current audio data to be played is synchronous corresponding with current video data to be played, so, control broadcasting currently to
Being played simultaneously for video data and audio data may be implemented in the second audio data of broadcasting.
Optionally, after step 204, flow media playing method provided in this embodiment can also include:
The corresponding third play time of next third audio data to be played after second audio data is obtained, with
And the first video data to be played.
If the difference of third play time and the first play time is greater than benchmark play time, third sound is played
Frequency accordingly and plays first video data.
If the difference of third play time and the first play time is less than benchmark play time, third is not played
Audio data and first video data is played, and continues to obtain the next to be played 4th after third audio data
Audio data and the second video data to be played execute the above-mentioned process for determining whether to play to the 4th audio data, directly
Until playing the 4th audio data or audio decoder without input data.
Specifically, needing to continue to determine third audio data if not playing current second audio data to be played
Whether play, if the difference of third play time and the first play time is greater than benchmark play time, illustrates the
Three audio datas are synchronous corresponding with the first video data, and illustrate each audio data after third audio data with
Each video data be also it is corresponding, therefore, play third audio data and the first video data, and terminate to determine whether to broadcast
Put the operation of audio data.If the difference of third play time and the first play time is less than benchmark play time,
Then illustrate third audio data with the first video data be not it is synchronous corresponding, need to continue to determine whether the 4th audio data is broadcast
It puts, until playing the 4th audio data or audio decoder without input data, so as to ensure that audio-visual synchronization is broadcast
It puts.
Above-mentioned steps are described in detail below by specific value, sequential relationship may refer to Fig. 2 and Fig. 3.
First play time is 40ms, it is assumed that the first system time is 1000ms, and the second play time is 60ms, the
The two system time is 1080ms, and third play time is 140ms, and third system time is 1100ms, then benchmark play time
Point is 1080ms-1000ms=80ms.
Since the difference 20ms of the second play time and the first play time is less than benchmark play time 80ms, then
Second audio data is not played, and video data still plays, therefore is not in video cardton problem.
Since the difference 100ms of third play time and the first play time is greater than benchmark play time 80ms,
Then play third audio data, and video data still plays, thus may be implemented audio data and video data synchronize broadcast
It puts, is not in video fast forward problem.
Present embodiments provide a kind of flow media playing method, can to avoid abnormal due to audio data play time and
There is Caton or F.F. in caused video, ensure that the fluency that audio-visual synchronization plays, the user experience is improved.
Fig. 6 is the structural schematic diagram for the streaming medium playing device that the embodiment of the present invention one provides, stream provided in this embodiment
Media playing apparatus, for executing the flow media playing method of Fig. 4~Fig. 5 either method embodiment offer.As shown in fig. 6, this
Embodiment provide streaming medium playing device, may include:
Module 11 is obtained, for when audio decoder changes from no input data to there is new input data, acquisition to be worked as
The corresponding play time of preceding audio data to be played and benchmark play time, and current video data to be played.
Control module 12, for according to play time and benchmark play time, the current audio number to be played of control
According to broadcasting, and play current video data to be played.
Optionally, module 11 is obtained to be specifically used for:
When audio decoder is without input data, obtains the last the first audio data played corresponding first and play
Time point and the first system time point.
When audio decoder has new input data, obtains current second audio data corresponding second to be played and broadcast
Put time point and second system time point.
Using the difference at second system time point and the first system time point as benchmark play time.
Correspondingly, control module 12 is specifically used for:
If the difference of the second play time and the first play time is less than benchmark play time, do not play current
Second audio data to be played.
Optionally, control module 12 is also used to:
If the difference of the second play time and the first play time is greater than benchmark play time, play currently to
The second audio data of broadcasting.
Optionally, module 11 is obtained to be also used to:
The corresponding third play time of next third audio data to be played after second audio data is obtained, with
And the first video data to be played.
Control module 12 is also used to: when the difference of third play time and the first play time is greater than benchmark and plays
Between when putting, play third audio data and play the first video data.
It obtains module 11 to be also used to: when the difference of third play time and the first play time is less than benchmark and plays
Between when putting, continue to obtain next 4th audio data to be played and the second video to be played after third audio data
Data.
Control module 12 is also used to: when the difference of third play time and the first play time is less than benchmark and plays
Between when putting, do not play third audio data and play the first video data, and execute above-mentioned judgement to the 4th audio data to be
The process of no broadcasting, until playing the 4th audio data or audio decoder without input data.
Streaming medium playing device provided in this embodiment, for executing the stream matchmaker of the offer of embodiment of the method shown in Fig. 4~Fig. 5
Body playback method, technical principle is similar with technical effect, and details are not described herein again.
Fig. 7 is the structural schematic diagram for the playback equipment that the embodiment of the present invention one provides, as shown in fig. 7, the present embodiment provides
Playback equipment 200, may include: memory 21 and processor 22.
Memory 21, for storing instruction.
Processor 22, the instruction for being stored in run memory 21, to execute Fig. 4~Fig. 5 either method embodiment
The flow media playing method of offer.
Wherein, the present embodiment is without restriction for the specific implementation of playback equipment 200, such as: playback equipment 200
It can be player, mobile terminal, intelligent terminal, etc..
Those of ordinary skill in the art will appreciate that: realize that all or part of the steps of above-mentioned each method embodiment can lead to
The relevant hardware of program instruction is crossed to complete.Program above-mentioned can be stored in a computer readable storage medium.The journey
When being executed, execution includes the steps that above-mentioned each method embodiment to sequence；And storage medium above-mentioned include: ROM, RAM, magnetic disk or
The various media that can store program code such as person's CD.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (7)
1. a kind of flow media playing method characterized by comprising
When audio decoder changes from no input data to there is new input data, current audio data pair to be played is obtained
The play time and benchmark play time answered, and current video data to be played；
According to the play time and the benchmark play time, broadcasting for the current audio data to be played is controlled
It puts, and plays the current video data to be played；
Wherein, described when audio decoder changes from no input data to there is new input data, it obtains current to be played
The corresponding play time of audio data and benchmark play time, comprising:
When the audio decoder is without input data, obtains the last the first audio data played corresponding first and play
Time point and the first system time point；
When the audio decoder has new input data, obtains current second audio data corresponding second to be played and broadcast
Put time point and second system time point；
Using the difference at the second system time point and the first system time point as the benchmark play time；
Wherein, described according to the play time and the benchmark play time, control the current audio to be played
The broadcasting of data, comprising:
If the difference of second play time and first play time is less than the benchmark play time, no
Play the current second audio data to be played.
2. the method according to claim 1, wherein further include:
If the difference of second play time and first play time is greater than the benchmark play time, broadcast
Put the current second audio data to be played.
3. if the method according to claim 1, wherein in second play time and described first
The difference of play time is less than the benchmark play time, then do not play the current second audio data to be played it
Afterwards, further includes:
The corresponding third play time of next third audio data to be played after the second audio data is obtained, with
And the first video data to be played；
If the difference of the third play time and first play time is greater than the benchmark play time, broadcast
It puts the third audio data and plays first video data；
If the difference of the third play time and first play time is less than the benchmark play time, no
It plays the third audio data and plays first video data, and continue under obtaining after the third audio data
One the 4th audio data to be played and the second video data to be played, it is above-mentioned to the 4th audio data execution to sentence
The disconnected process whether played, until playing the 4th audio data or the audio decoder without input data.
4. a kind of streaming medium playing device characterized by comprising
Module is obtained, for obtaining currently wait broadcast when audio decoder changes from no input data to there is new input data
The corresponding play time of the audio data put and benchmark play time, and current video data to be played；
Control module, for controlling described current to be played according to the play time and the benchmark play time
The broadcasting of audio data, and play the current video data to be played；
Wherein, the acquisition module is specifically used for:
When the audio decoder is without input data, obtains the last the first audio data played corresponding first and play
Time point and the first system time point；
When the audio decoder has new input data, obtains current second audio data corresponding second to be played and broadcast
Put time point and second system time point；
Using the difference at the second system time point and the first system time point as the benchmark play time；
Wherein, the control module is specifically used for:
If the difference of second play time and first play time is less than the benchmark play time, no
Play the current second audio data to be played.
5. device according to claim 4, which is characterized in that the control module is also used to:
If the difference of second play time and first play time is greater than the benchmark play time, broadcast
Put the current second audio data to be played.
6. device according to claim 4, which is characterized in that the acquisition module is also used to:
The corresponding third play time of next third audio data to be played after the second audio data is obtained, with
And the first video data to be played；
The control module is also used to: being greater than in the difference of the third play time and first play time described
When benchmark play time, plays the third audio data and play first video data；
The module that obtains is also used to: being less than in the difference of the third play time and first play time described
When benchmark play time, continue to obtain after the third audio data next 4th audio data to be played and to
The second video data played；
The control module is also used to: being less than in the difference of the third play time and first play time described
When benchmark play time, the third audio data is not played and plays first video data, and to the described 4th
Audio data executes the above-mentioned process for judging whether to play, until playing the 4th audio data or the audio decoder
Until input data.
7. a kind of playback equipment characterized by comprising memory and processor；
The memory, for storing instruction；
The processor, for running the instruction stored in the memory, to execute as described in claim any one of 1-3
Flow media playing method.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101827271A (en) * | 2009-03-04 | 2010-09-08 | 联芯科技有限公司 | Audio and video synchronized method and device as well as data receiving terminal |
| CN103442309A (en) * | 2013-08-01 | 2013-12-11 | 珠海全志科技股份有限公司 | Method and device for keeping audio and video synchronization by using speed conversion algorithm |
| CN103686315A (en) * | 2012-09-13 | 2014-03-26 | 深圳市快播科技有限公司 | Synchronous audio and video playing method and device |
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| CN101827271A (en) * | 2009-03-04 | 2010-09-08 | 联芯科技有限公司 | Audio and video synchronized method and device as well as data receiving terminal |
| CN103686315A (en) * | 2012-09-13 | 2014-03-26 | 深圳市快播科技有限公司 | Synchronous audio and video playing method and device |
| CN103442309A (en) * | 2013-08-01 | 2013-12-11 | 珠海全志科技股份有限公司 | Method and device for keeping audio and video synchronization by using speed conversion algorithm |
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