CN103974020A - Audio-video data acquisition method and device - Google Patents
Audio-video data acquisition method and device Download PDFInfo
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- CN103974020A CN103974020A CN201310047526.0A CN201310047526A CN103974020A CN 103974020 A CN103974020 A CN 103974020A CN 201310047526 A CN201310047526 A CN 201310047526A CN 103974020 A CN103974020 A CN 103974020A
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Abstract
Disclosed is an audio-video data acquisition method. The method includes the following steps: recording first reference time when receiving a first instruction corresponding to video data acquisition; sending a second instruction corresponding to audio data acquisition; responding to the first instruction to acquire video data from the first reference time to preset time; receiving audio data corresponding to the second instruction; synchronously processing the video data and the audio data according to the preset time. The invention further discloses an audio-video data acquisition device. By the method and the device, the situation that sounds lag relatively to images in the process of video call can be prevented, and image and sound synchronization during video call is realized.
Description
[technical field]
The present invention relates to audio-video collection field, particularly a kind of audio, video data acquisition method and device.
[background technology]
Traditional subscriber equipment (for example, digital television receiver or computer) can be realized the function of video calling.This subscriber equipment generally can gather respectively video data and voice data in the process of function that realizes video calling, for example, by being built in the camera collection video data in subscriber equipment, and independently gathering voice data equipment such as remote controller, bluetooth headset, mobile terminal by being built in this subscriber equipment, the equipment that gathers voice data is communicated by letter by wireless mode with the subscriber equipment that gathers video data.
In practice, inventor finds that prior art at least exists following problem:
The equipment that gathers voice data there will be the time difference with the subscriber equipment that gathers video data in the process of communicating by letter by wireless mode, this can cause image and sound in video calling asynchronous, for example, sound lags behind image, has had a strong impact on the quality of video calling.
Therefore, be necessary to propose a kind of new technical scheme, to solve the problems of the technologies described above.
[summary of the invention]
The object of the present invention is to provide a kind of audio, video data acquisition method and device, it can prevent the relative picture lag of sound in the process of video calling, realizes image and synchronous sound in video calling.
For addressing the above problem, technical scheme of the present invention is as follows:
A kind of audio, video data acquisition method, said method comprising the steps of: recorded for the first reference time when gathering the first instruction corresponding to video data receiving; The second instruction that Send&Collection voice data is corresponding; Start to respond described the first instruction acquisition video data from described the first reference time in the time that the scheduled time arrives; Receive the voice data corresponding with described the second instruction; Described video data and described voice data are synchronously processed according to the described scheduled time.
A kind of audio, video data harvester, described device comprises: reference time logging modle, for recording for the first reference time when gathering the first instruction corresponding to video data receiving; Sending module, for the second instruction corresponding to Send&Collection voice data; Video data acquiring module responds described the first instruction acquisition video data for starting from described the first reference time in the time that the scheduled time arrives; Receiver module, for receiving the voice data corresponding with described the second instruction; Synchronization module, for synchronously processing described video data and described voice data according to the described scheduled time.
Prior art relatively, the present invention is owing to taking the measure of synchronizing video data and voice data before carrying out video data acquiring, simultaneously, collecting the measure of taking further synchronizing video data and voice data after video data, like this, can prevent the relative picture lag of sound in the process of video calling, realize image and synchronous sound in video calling, improve the quality of video calling.
For foregoing of the present invention can be become apparent, preferred embodiment cited below particularly, and coordinate appended graphicly, be described in detail below:
[brief description of the drawings]
Fig. 1 is the flow chart of audio, video data acquisition method the first embodiment of the present invention;
Fig. 2 is the flow chart of audio, video data acquisition method the second embodiment of the present invention;
Fig. 3 is the flow chart of audio, video data acquisition method the 3rd embodiment of the present invention;
Fig. 4 is the flow chart of audio, video data acquisition method the 4th embodiment of the present invention;
Fig. 5 is the flow chart of audio, video data acquisition method the 5th embodiment of the present invention;
Fig. 6 is the flow chart of audio, video data acquisition method the 6th embodiment of the present invention;
Fig. 7 is the flow chart of audio, video data acquisition method the 7th embodiment of the present invention;
Fig. 8 is the block diagram of audio, video data harvester the first embodiment of the present invention;
Fig. 9 is the block diagram of audio, video data harvester the 5th embodiment of the present invention.
[embodiment]
The explanation of following embodiment is graphic with reference to what add, can be in order to the specific embodiment of implementing in order to illustrate the present invention.
With reference to figure 1, Fig. 1 is the flow chart of audio, video data acquisition method the first embodiment of the present invention.
The audio, video data acquisition method of the present embodiment comprises the following steps:
Step 101, recorded for the first reference time when gathering the first instruction corresponding to video data receiving.
Step 102, the second instruction that Send&Collection voice data is corresponding.
Step 103, starts to respond described the first instruction acquisition video data in the time that the scheduled time arrives from described the first reference time.
Step 104, receives the voice data corresponding with described the second instruction.
Step 105, synchronously processed described video data and described voice data according to the described scheduled time.Particularly, can, voice data and video data integration (multiplexed) are become in the process of video calling signal, by video data delay scheduled time, like this, just can realize sound and image synchronization in video calling.
In the present embodiment, owing to taking the measure of synchronizing video data and voice data before carrying out video data acquiring, simultaneously, collecting the measure of taking further synchronizing video data and voice data after video data, like this, can prevent the relative picture lag of sound in the process of video calling, realize image and synchronous sound in video calling, improve the quality of video calling.
With reference to figure 2, Fig. 2 is the flow chart of audio, video data acquisition method the second embodiment of the present invention.The present embodiment is similar to above-mentioned the first embodiment, and difference is:
The step (, step 103) of described the first instruction acquisition video data of described response is:
Respond described the first instruction, gather video data according to the first clock signal, that is, and gathering in the process of video data according to this corresponding time of the first record clock signal.
Described voice data generates according to second clock signal,, in the process that gathers voice data, records the corresponding time according to this second clock that is.Receiving in the step (, step 104) of this voice data, can receive in the lump this second clock signal.
In the present embodiment, because described video data and voice data gather according to the first clock signal and second clock signal respectively, be therefore conducive to make voice data and video data to be realized accurate synchronous.
With reference to figure 3, Fig. 3 is the flow chart of audio, video data acquisition method the 3rd embodiment of the present invention.The present embodiment is similar to the above-mentioned first or second embodiment, and difference is:
Described the first clock signal is synchronizeed with described second clock signal.
Describedly according to the described scheduled time, described video data and described voice data are carried out to the synchronous step (, step 105) of processing and are:
Taking described the first clock signal or second clock signal as reference, described video data and described voice data are synchronously processed according to the described scheduled time.
In the present embodiment, owing to according to this scheduled time, video data and voice data synchronously being processed in the situation that the first clock signal is synchronizeed with second clock signal, be conducive to ensure image and the synchronous sound in video calling, improve the quality of video calling.
With reference to figure 4, Fig. 4 is the flow chart of audio, video data acquisition method the 4th embodiment of the present invention.The present embodiment is similar to the above-mentioned first or second embodiment, and difference is:
Described the first clock signal is asynchronous with described second clock signal.
Describedly according to the described scheduled time, described video data and described voice data are carried out to the synchronous step (, step 105) of processing and comprising:
Step 1051, calculates the difference (time difference) of described the first clock signal and described second clock signal.
Step 1052, taking described the first clock signal or second clock signal as reference, synchronously processes described video data and described voice data according to the described scheduled time and described difference.
In the present embodiment, owing to according to the time difference of this scheduled time and the first clock signal and second clock signal, video data and voice data synchronously being processed in the situation that the first clock signal is synchronizeed with second clock signal, be conducive to ensure image and the synchronous sound in video calling, improve the quality of video calling.
With reference to figure 5, Fig. 5 is the flow chart of audio, video data acquisition method the 5th embodiment of the present invention.The present embodiment is similar to any one embodiment in above-mentioned first, second, third, fourth embodiment, and difference is:
Record the first reference time step (, step 101) before, described method is further comprising the steps of:
Step 501, calculates the described scheduled time.
In the present embodiment, by calculating this scheduled time, that is, this scheduled time is according to actual conditions (relative position of Contemporary Digital television receiver and remote controller), can make sound and image synchronization in video calling, has improved the quality of video calling.
With reference to figure 6, Fig. 6 is the flow chart of audio, video data acquisition method the 6th embodiment of the present invention.The present embodiment is similar to any one embodiment in above-mentioned first, second, third, fourth, the 5th embodiment, and difference is:
The step (, step 501) of the described described scheduled time of calculating comprising:
Step 5011, sends detecting information and receives the feedback information corresponding with described detecting information.
Step 5012, calculates the described scheduled time according to certainly sending described detecting information to the time delay that receives described feedback information, and the value of the described scheduled time is described time delay 1/2nd.
In the present embodiment, by sending detecting information and receiving the feedback information corresponding with described detecting information, and calculate this scheduled time according to the time of reception of the transmitting time of this detecting information and this feedback information, therefore can calculate this scheduled time according to actual conditions (relative position of digital television receiver and remote controller), thereby make sound and image synchronization in video calling, improved the quality of video calling.
With reference to figure 7, Fig. 7 is the flow chart of audio, video data acquisition method the 7th embodiment of the present invention.The present embodiment is similar to any one embodiment in above-mentioned first, second, third, fourth, the 5th, the 6th embodiment, and difference is:
The step (, step 5011) that described transmission detecting information also receives the feedback information corresponding with described detecting information is:
Send at least two group detecting informations and receive and organize with each the feedback information that described detecting information is corresponding.
Described basis is calculated the step (, step 5012) of the described scheduled time from transmission described detecting information to the time delay that receives described feedback information:
Organize described detecting information to receiving the scheduled time described in the mean value calculation of each time delay of organizing described feedback information according to certainly sending each.
In the present embodiment, by the multi collect scheduled time, can calculate the more accurate scheduled time, be conducive to make sound and image realization in video calling accurately synchronous, improve the quality of video calling.
In the above-mentioned first to the 7th embodiment, improve as one, can monitor in real time and whether need to gather video data and generate monitored results, if so, generate this first instruction and the second instruction, and enter step 101, otherwise, continue monitoring.Because remote controller in the process of video calling or other mobile terminal are held in user's hand, therefore can in certain scope, move, improve as another kind of for this reason, in the process of video calling, calculate in real time this scheduled time, and dynamically video data and voice data are synchronously processed, like this, be conducive in the time that the user of hand-held remote controller or other mobile terminal converts residing position, it is synchronous that the image of video calling and sound still keep.
With reference to figure 8, Fig. 8 is the block diagram of audio, video data harvester the first embodiment of the present invention.
The audio, video data harvester of the present embodiment comprises reference time logging modle 801, sending module 802, video data acquiring module 803, receiver module 804 and synchronization module 805.
Described reference time logging modle 801 is for recording for the first reference time when gathering the first instruction corresponding to video data receiving.
Described sending module 802 is for the second instruction corresponding to Send&Collection voice data.
Described video data acquiring module 803 responds described the first instruction acquisition video data for starting from described the first reference time in the time that the scheduled time arrives.
Described receiver module 804 is for receiving the voice data corresponding with described the second instruction.
Described synchronization module 805 is for synchronously processing described video data and described voice data according to the described scheduled time.Particularly, described synchronization module 805 can, for voice data and video data integration (multiplexed) are become in the process of video calling signal, by video data delay scheduled time, like this, just can be realized sound and image synchronization in video calling.
In the present embodiment, owing to taking the measure of synchronizing video data and voice data before carrying out video data acquiring, simultaneously, collecting the measure of taking further synchronizing video data and voice data after video data, like this, the relative picture lag of sound in the process of video calling be can prevent, image and synchronous sound in video calling realized.
The second embodiment of audio, video data harvester of the present invention is similar to above-mentioned the first embodiment, and difference is:
Described video data acquiring module 803 is also for responding described the first instruction, gather video data according to the first clock signal,, described video data acquiring module 803 is also for gathering the process of video data according to this corresponding time of the first record clock signal.
Described voice data generates according to second clock signal,, in the process that gathers voice data, records the corresponding time according to this second clock that is.Described video data acquiring module 803 can also be used for receiving in the lump this second clock signal.
In the present embodiment, because described video data and voice data gather according to the first clock signal and second clock signal respectively, be therefore conducive to make voice data and video data to be realized accurate synchronous.
The 3rd embodiment of audio, video data harvester of the present invention is similar to the above-mentioned first or second embodiment, and difference is:
Described the first clock signal is synchronizeed with described second clock signal.
Described synchronization module 805 is also for taking described the first clock signal or second clock signal as reference, described video data and described voice data synchronously processed according to the described scheduled time.
In the present embodiment, owing to according to this scheduled time, video data and voice data synchronously being processed in the situation that the first clock signal is synchronizeed with second clock signal, be conducive to ensure image and the synchronous sound in video calling, improve the quality of video calling.
The 4th embodiment of audio, video data harvester of the present invention is similar to the above-mentioned first or second embodiment, and difference is:
Described the first clock signal is asynchronous with described second clock signal.
Described synchronization module 805 is also for calculating the difference (time difference) of described the first clock signal and described second clock signal, and for taking described the first clock signal or second clock signal as reference, described video data and described voice data are synchronously processed according to the described scheduled time and described difference.
In the present embodiment, owing to according to the time difference of this scheduled time and the first clock signal and second clock signal, video data and voice data synchronously being processed in the situation that the first clock signal is synchronizeed with second clock signal, be conducive to ensure image and the synchronous sound in video calling, improve the quality of video calling.
With reference to figure 9, Fig. 9 is the block diagram of audio, video data harvester the 5th embodiment of the present invention.The present embodiment is similar to any one embodiment in above-mentioned first, second, third, fourth embodiment, and difference is:
The audio, video data harvester of the present embodiment also comprises scheduled time computing module 901.
Described scheduled time computing module 901 is for calculating the described scheduled time.
In the present embodiment, by calculating this scheduled time, that is, this scheduled time is according to actual conditions (relative position of Contemporary Digital television receiver and remote controller), can make sound and image synchronization in video calling, has improved the quality of video calling.
The 6th embodiment of audio, video data harvester of the present invention is similar to any one embodiment in above-mentioned first, second, third, fourth, the 5th embodiment, and difference is:
Described sending module 802 is also for sending detecting information.
Described receiver module 804 is also for receiving the feedback information corresponding with described detecting information.
Described scheduled time computing module 901 is also for according to calculating the described scheduled time from sending described detecting information to the time delay that receives described feedback information, and the value of the described scheduled time is described time delay 1/2nd.
In the present embodiment, by sending detecting information and receiving the feedback information corresponding with described detecting information, and calculate this scheduled time according to the time of reception of the transmitting time of this detecting information and this feedback information, therefore can calculate this scheduled time according to actual conditions (relative position of digital television receiver and remote controller), thereby make sound and image synchronization in video calling, improved the quality of video calling.
The 7th embodiment of audio, video data harvester of the present invention is similar to any one embodiment in above-mentioned first, second, third, fourth, the 5th, the 6th embodiment, and difference is:
Described sending module 802 is also for sending at least two group detecting informations.
Described receiver module 804 also organizes for receiving with each the feedback information that described detecting information is corresponding.
Described scheduled time computing module 901 is also for according to organizing described detecting information to receiving the scheduled time described in the mean value calculation of each time delay of organizing described feedback information from sending each.
In the present embodiment, by the multi collect scheduled time, can calculate the more accurate scheduled time, be conducive to make sound and image realization in video calling accurately synchronous, improve the quality of video calling.
In the above-mentioned first to the 7th embodiment, improve as one, audio, video data harvester of the present invention can also comprise monitoring module (not shown), whether this monitoring module can need to gather video data and generate monitored results for monitoring in real time, if, generate this first instruction and the second instruction, otherwise, monitoring continued.Because remote controller in the process of video calling or other mobile terminal are held in user's hand, therefore can in certain scope, move, improve as another kind of for this reason, in the process of video calling, calculate in real time this scheduled time, and dynamically video data and voice data are synchronously processed, like this, be conducive in the time that the user of hand-held remote controller or other mobile terminal converts residing position, it is synchronous that the image of video calling and sound still keep.
In sum; although the present invention discloses as above with preferred embodiment; but above preferred embodiment is not in order to limit the present invention; those of ordinary skill in the art; without departing from the spirit and scope of the present invention; all can do various changes and retouching, the scope that therefore protection scope of the present invention defines with claim is as the criterion.
Claims (14)
1. an audio, video data acquisition method, is characterized in that, said method comprising the steps of:
Recorded for the first reference time when gathering the first instruction corresponding to video data receiving;
The second instruction that Send&Collection voice data is corresponding;
Start to respond described the first instruction acquisition video data from described the first reference time in the time that the scheduled time arrives;
Receive the voice data corresponding with described the second instruction;
Described video data and described voice data are synchronously processed according to the described scheduled time.
2. audio, video data acquisition method according to claim 1, is characterized in that, the step of described the first instruction acquisition video data of described response is:
Respond described the first instruction, gather video data according to the first clock signal;
Described voice data generates according to second clock signal.
3. audio, video data acquisition method according to claim 2, is characterized in that, described the first clock signal is synchronizeed with described second clock signal;
Describedly according to the described scheduled time, described video data and described voice data are carried out to the synchronous step of processing and are:
Taking described the first clock signal or second clock signal as reference, described video data and described voice data are synchronously processed according to the described scheduled time.
4. audio, video data acquisition method according to claim 2, is characterized in that, described the first clock signal is asynchronous with described second clock signal;
Describedly according to the described scheduled time, described video data and described voice data are carried out to the synchronous step of processing and comprise:
Calculate the difference of described the first clock signal and described second clock signal;
Taking described the first clock signal or second clock signal as reference, described video data and described voice data are synchronously processed according to the described scheduled time and described difference.
5. according to the audio, video data acquisition method described in any one in claim 1 to 4, it is characterized in that, before the step of the first reference time of record, described method is further comprising the steps of:
Calculate the described scheduled time.
6. audio, video data acquisition method according to claim 5, is characterized in that, the step of the described described scheduled time of calculating comprises:
Send detecting information and receive the feedback information corresponding with described detecting information;
Calculate the described scheduled time according to certainly sending described detecting information to the time delay that receives described feedback information, the value of the described scheduled time is described time delay 1/2nd.
7. audio, video data acquisition method according to claim 6, is characterized in that, the step that described transmission detecting information also receives the feedback information corresponding with described detecting information is:
Send at least two group detecting informations and receive and organize with each the feedback information that described detecting information is corresponding;
Described basis is calculated the step of the described scheduled time from transmission described detecting information to the time delay that receives described feedback information:
Organize described detecting information to receiving the scheduled time described in the mean value calculation of each time delay of organizing described feedback information according to certainly sending each.
8. an audio, video data harvester, is characterized in that, described device comprises:
Reference time logging modle, for recording for the first reference time when gathering the first instruction corresponding to video data receiving;
Sending module, for the second instruction corresponding to Send&Collection voice data;
Video data acquiring module responds described the first instruction acquisition video data for starting from described the first reference time in the time that the scheduled time arrives;
Receiver module, for receiving the voice data corresponding with described the second instruction;
Synchronization module, for synchronously processing described video data and described voice data according to the described scheduled time.
9. audio, video data harvester according to claim 8, is characterized in that, described video data acquiring module, also for responding described the first instruction, gathers video data according to the first clock signal;
Described voice data generates according to second clock signal.
10. audio, video data harvester according to claim 9, is characterized in that, described the first clock signal is synchronizeed with described second clock signal;
Described synchronization module is also for taking described the first clock signal or second clock signal as reference, described video data and described voice data synchronously processed according to the described scheduled time.
11. audio, video data harvesters according to claim 9, is characterized in that, described the first clock signal is asynchronous with described second clock signal;
Described synchronization module is also for calculating the difference of described the first clock signal and described second clock signal, and for taking described the first clock signal or second clock signal as reference, described video data and described voice data are synchronously processed according to the described scheduled time and described difference.
Audio, video data harvester in 12. according to Claim 8 to 11 described in any one, is characterized in that, described device also comprises:
Scheduled time computing module, for calculating the described scheduled time.
13. audio, video data harvesters according to claim 12, is characterized in that, described sending module is also for sending detecting information;
Described receiver module is also for receiving the feedback information corresponding with described detecting information;
Described scheduled time computing module is also for according to calculating the described scheduled time from sending described detecting information to the time delay that receives described feedback information, and the value of the described scheduled time is described time delay 1/2nd.
14. audio, video data harvesters according to claim 13, is characterized in that, described sending module is also for sending at least two group detecting informations;
Described receiver module also organizes for receiving with each the feedback information that described detecting information is corresponding;
Described scheduled time computing module is also for according to organizing described detecting information to receiving the scheduled time described in the mean value calculation of each time delay of organizing described feedback information from sending each.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019014853A1 (en) * | 2017-07-18 | 2019-01-24 | 深圳市柔宇科技有限公司 | Method for detecting delay in head-mounted display data transmission, and head-mounted display |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004052020A1 (en) * | 2002-12-04 | 2004-06-17 | Koninklijke Philips Electronics N.V. | Synchronization of signals |
| CN101035296A (en) * | 2007-04-03 | 2007-09-12 | 北京中星微电子有限公司 | Digital audio/video synchronization method, device and system |
| CN101198047A (en) * | 2007-12-26 | 2008-06-11 | 腾讯科技（深圳）有限公司 | Television broadcasting method and system |
| CN101500158A (en) * | 2008-12-26 | 2009-08-05 | 深圳市同洲电子股份有限公司 | Visible interphone and audio/video data transmission method and system |
| CN101710958A (en) * | 2009-12-02 | 2010-05-19 | 北京中星微电子有限公司 | Audio and video composite device and method and device for synchronizing audio and video thereof |
-
2013
- 2013-02-06 CN CN201310047526.0A patent/CN103974020B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004052020A1 (en) * | 2002-12-04 | 2004-06-17 | Koninklijke Philips Electronics N.V. | Synchronization of signals |
| CN101035296A (en) * | 2007-04-03 | 2007-09-12 | 北京中星微电子有限公司 | Digital audio/video synchronization method, device and system |
| CN101198047A (en) * | 2007-12-26 | 2008-06-11 | 腾讯科技（深圳）有限公司 | Television broadcasting method and system |
| CN101500158A (en) * | 2008-12-26 | 2009-08-05 | 深圳市同洲电子股份有限公司 | Visible interphone and audio/video data transmission method and system |
| CN101710958A (en) * | 2009-12-02 | 2010-05-19 | 北京中星微电子有限公司 | Audio and video composite device and method and device for synchronizing audio and video thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019014853A1 (en) * | 2017-07-18 | 2019-01-24 | 深圳市柔宇科技有限公司 | Method for detecting delay in head-mounted display data transmission, and head-mounted display |
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