CN103533315A - Method and device for processing audio/video data - Google Patents
Method and device for processing audio/video data Download PDFInfo
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- CN103533315A CN103533315A CN201310412972.7A CN201310412972A CN103533315A CN 103533315 A CN103533315 A CN 103533315A CN 201310412972 A CN201310412972 A CN 201310412972A CN 103533315 A CN103533315 A CN 103533315A
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Abstract
The invention discloses a method and a device for processing audio/video data. The processing method comprises the following steps: acquiring audio data acquired through a microphone and video data acquired through a camera; encoding the acquired audio data and video data respectively to obtain encoded audio data and video data; processing the encoded audio data by adopting a self-adaptive echo cancellation algorithm to form processed audio data; encapsulating the encoded video data into a video data package and encapsulating the processed audio data into an audio data package according to the format of a real-time messaging protocol (RTMP); transmitting the video data package and the audio data package to a RTMP server. According to the technical scheme provided by the invention, audio and video delays can be reduced, and the quality of audio/video data is improved.
Description
Technical field
The present invention relates to technical field of data processing, relate in particular to a kind of processing method and device of audio, video data.
Background technology
Along with the development of technology, in order to meet user's different demands, need to be on network real-time Transmission audio, video data.For example, video conference is to hold a meeting between the user in two or more places with TV and phone, transmits in real time the communication mode of sound, image.The transmission of the signals such as its simultaneously all right additional static image, file, fax.The people of participating television meeting, can express an opinion by TV, observe image, action, expression of the other side etc. simultaneously, and can show the television image of the real scene shootings such as material object, drawing, file or be presented at the word write on blackboard, blank and the figure of picture, make to feel as carried out the talk of " face-to-face ", the meeting that can replace scene to hold with the other side in effect different location people with a part in a conference.
Due to Video Conference Service itself, when carrying out end to end transfer of data, the transmission channel of data is longer.Take video as example, conventionally will pass through video image acquisition, coding, network packing, send to opposite end, opposite end receives, unpack, video decode, be shown to these processes on the screen of opposite end.This shows, in the middle of said process, the link of experience is many and complicated, thereby has inevitably produced video time delay, the decline of video frequency data quality.Therefore how effectively reducing audio frequency and video time delay end to end, improve the quality of audio, video data, is current technical problem urgently to be resolved hurrily.
Summary of the invention
The embodiment of the present invention provides a kind of processing method and device of audio, video data, for realizing, reduces audio frequency and video time delay, improves the quality of audio, video data.
One aspect of the present invention, has proposed a kind of processing method of data tones video, comprising:
Obtain the voice data that gathers by microphone and by the video data of camera collection;
The voice data and the video data that gather are encoded respectively, obtain voice data and video data after coding;
Voice data after adopting self adaptation echo cancellation algorithm to coding is processed, the voice data after formation processing;
According to the form of real-time messages transmission RTMP agreement, the video data after coding is packaged into video packets of data, the voice data after processing is packaged into packets of audio data;
Video packets of data and packets of audio data are sent to real-time messages transmission RTMP server.
In the embodiment of the present invention, according to current network speed, the voice data and the video data that gather are encoded respectively, optimize the speed of audio video transmission; And the voice data after adopting self adaptation echo cancellation algorithm to coding is processed, and improves the quality of voice data; According to the form of real-time messages transmission RTMP agreement, video data after coding is packaged into video packets of data, the voice data after processing is packaged into packets of audio data, video packets of data and packets of audio data are sent to real-time messages transmission RTMP server, have reduced time delay.
As technique scheme preferably, described the voice data and the video data that gather are encoded respectively, comprising:
Detect current network speed;
According to current network speed, the voice data and the video data that gather are encoded respectively.
In this programme, can the voice data and the video data that gather be encoded respectively according to current network speed, thereby optimize the speed of audio video transmission and the quality of raising audio, video data.
As technique scheme preferably, described video packets of data and packets of audio data are sent to real-time messages transmission RTMP server, comprising:
Video packets of data and packets of audio data are encrypted respectively, form video packets of data and packets of audio data after encrypting;
Video packets of data and packets of audio data after encrypting are sent to RTMP server.
In this programme, video packets of data and packets of audio data are encrypted respectively, video packets of data and packets of audio data after encrypting are sent to RTMP server, improved the fail safe of transfer of data.
As technique scheme preferably, described in obtain the voice data that gathers by microphone and by the video data of camera collection, comprising:
According to predetermined period, obtain the voice data that gathers by microphone and by the video data of camera collection.
As technique scheme preferably, described the voice data and the video data that gather are encoded respectively, comprising:
Adopt Speex compressed format to encode to the voice data gathering;
Adopt the H.264 coding video data of compressed format to collection.
Another aspect of the present invention, has proposed a kind of processing unit of audio, video data, comprising:
Acquisition module, for obtaining the voice data that gathers by microphone and by the video data of camera collection;
Coding module, for the voice data and the video data that gather are encoded respectively, obtains voice data and video data after coding;
Processing module, processes the voice data after formation processing for the voice data after adopting self adaptation echo cancellation algorithm to coding;
Package module, for according to the form of real-time messages transmission RTMP agreement, is packaged into the video data after coding video packets of data, the voice data after processing is packaged into packets of audio data;
Sending module, for being sent to real-time messages transmission RTMP server by video packets of data and packets of audio data.
As technique scheme preferably, described coding module comprises:
Detecting unit, for detection of current network speed;
The first coding unit, for according to current network speed, encodes respectively to the voice data and the video data that gather.
As technique scheme preferably, described sending module comprises:
Ciphering unit, for video packets of data and packets of audio data are encrypted respectively, forms video packets of data and packets of audio data after encrypting;
Transmitting element, for being sent to RTMP server by video packets of data and packets of audio data after encrypting.
As technique scheme preferably, described acquisition module comprises:
Acquiring unit, for obtaining the voice data that gathers by microphone and by the video data of camera collection according to predetermined period.
As technique scheme preferably, described coding module comprises:
The second coding unit, for adopting Speex compressed format to encode to the voice data gathering;
The 3rd coding unit, for adopting the H.264 coding video data of compressed format to collection.
In the embodiment of the present invention, according to current network speed, the voice data and the video data that gather are encoded respectively, optimize the speed of audio video transmission; And the voice data after adopting self adaptation echo cancellation algorithm to coding is processed, and improves the quality of voice data; According to the form of real-time messages transmission RTMP agreement, video data after coding is packaged into video packets of data, the voice data after processing is packaged into packets of audio data, video packets of data and packets of audio data are sent to real-time messages transmission RTMP server, have reduced time delay.
Other features and advantages of the present invention will be set forth in the following description, and, partly from specification, become apparent, or understand by implementing the present invention.Object of the present invention and other advantages can be realized and be obtained by specifically noted structure in the specification write, claims and accompanying drawing.
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Accompanying drawing explanation
Accompanying drawing is used to provide a further understanding of the present invention, and forms a part for specification, for explaining the present invention, is not construed as limiting the invention together with embodiments of the present invention.In the accompanying drawings:
Fig. 1 is the processing main method flow chart of audio, video data in the embodiment of the present invention;
Fig. 2 is the processing method detailed flow chart of audio, video data in the application embodiment of the present invention;
Fig. 3 is the primary structure schematic diagram of the processing unit of audio, video data in the embodiment of the present invention;
Fig. 4 is the first detailed structure schematic diagram of coding module in the processing unit of audio, video data in the embodiment of the present invention;
Fig. 5 is the detailed structure schematic diagram of sending module in the processing unit of audio, video data in the embodiment of the present invention;
Fig. 6 is the detailed structure schematic diagram of acquisition module in the processing unit of audio, video data in the embodiment of the present invention;
Fig. 7 is the second detailed structure schematic diagram of coding module in the processing unit of audio, video data in the embodiment of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein, only for description and interpretation the present invention, is not intended to limit the present invention.
The processing method of the audio, video data that the present embodiment provides can be used in the scenes such as videoconference, video monitoring, and delay time is short, and the quality of audio, video data is high.
The processing main method flow process that is illustrated in figure 1 audio, video data in the embodiment of the present invention, comprises the following steps 11-15:
Preferably, can obtain the voice data that gathers by microphone and by the video data of camera collection, for example predetermined period is 1-3 second according to predetermined period.
Preferably, above-mentioned steps 12 can comprise the following steps A1-A2:
Steps A 1, detection current network speed.
Steps A 2, according to current network speed, the voice data and the video data that gather are encoded respectively.
Like this, can the voice data and the video data that gather be encoded respectively according to current network speed, thereby optimize the speed of audio video transmission and the quality of raising audio, video data.
Preferably; in above-mentioned steps 12 and steps A 2, " voice data and the video data that gather are encoded respectively "; it is a set of free mainly for increasing income of voice can adopting Speex(Speex; audio compression form without patent protection) compressed format is encoded to the voice data of collection, and H.264(H.264 adopt is the common servo state picture experts group MPEG4 proposing of International Standards Organization and International Telecommunications Union new-generation digital video compression format afterwards) coding video data of compressed format to collection.Certainly, for the coding of audio, video data, be not limited to above-mentioned coded system, can adopt other coded system of the prior art to realize, exemplify no longer one by one herein.
The basic thought of self adaptation echo cancellation is the characteristic parameter of estimating echo path, produces the echo path of a simulation, draws simulation echo signal, from receive signal, deducts this signal, realizes cancelling out echo.
RTMP(Real Time Messaging Protocol, real-time messages host-host protocol) be the transmission for object, video, audio frequency, this agreement is based upon TCP(Transmission Control Protocol, transmission control protocol) or poll HTTP(Hypertext transfer protocol, HTML (Hypertext Markup Language)).
Preferably, above-mentioned steps 15 can comprise the following steps B1-B2:
Step B1, video packets of data and packets of audio data are encrypted respectively, form video packets of data and packets of audio data after encrypting.
Step B2, video packets of data and packets of audio data after encrypting are sent to RTMP server.
Video packets of data and packets of audio data are encrypted respectively, video packets of data and packets of audio data after encrypting are sent to RTMP server, improved the fail safe of transfer of data.
In the embodiment of the present invention, according to current network speed, the voice data and the video data that gather are encoded respectively, optimize the speed of audio video transmission; And the voice data after adopting self adaptation echo cancellation algorithm to coding is processed, and improves the quality of voice data; According to the form of real-time messages transmission RTMP agreement, video data after coding is packaged into video packets of data, the voice data after processing is packaged into packets of audio data, video packets of data and packets of audio data are sent to real-time messages transmission RTMP server, have reduced time delay.
Below by an embodiment, introduce in detail the technical scheme that the embodiment of the present invention provides.
This embodiment can be applicable to such a scene: by Real-time Collection Voice & Video data, make user can realize the monitoring to picture.As shown in Figure 2, the method comprises the following steps:
In this embodiment, according to current network speed, the voice data and the video data that gather are encoded respectively, optimize the speed of audio video transmission; And the voice data after adopting self adaptation echo cancellation algorithm to coding is processed, and improves the quality of voice data; According to the form of real-time messages transmission RTMP agreement, video data after coding is packaged into video packets of data, the voice data after processing is packaged into packets of audio data, video packets of data and packets of audio data are encrypted respectively, video packets of data and packets of audio data after encrypting are sent to RTMP server, reduce time delay, improved the fail safe of transfer of data.
It should be noted that, in practical application, above-mentioned all optional execution modes can adopt the mode combination in any of combination, form optional embodiment of the present invention, and this is no longer going to repeat them.
More than described the processing method implementation procedure of audio frequency and video, this process can be realized by device, below built-in function and the structure of device is introduced.
Based on same inventive concept, as shown in Figure 3, in the embodiment of the present invention, the processing unit of audio, video data comprises: acquisition module 301, coding module 302, processing module 303, package module 304 and sending module 305.
Sending module 305, for being sent to real-time messages transmission RTMP server by video packets of data and packets of audio data.
Preferably, as shown in Figure 4, above-mentioned coding module 302 can comprise:
Detecting unit 401, for detection of current network speed;
The first coding unit 402, for according to current network speed, encodes respectively to the voice data and the video data that gather.
Preferably, as shown in Figure 5, above-mentioned sending module 305 can comprise:
Transmitting element 502, for being sent to RTMP server by video packets of data and packets of audio data after encrypting.
Preferably, as shown in Figure 6, above-mentioned acquisition module 301 can comprise:
Acquiring unit 601, for obtaining the voice data that gathers by microphone and by the video data of camera collection according to predetermined period.
Preferably, as shown in Figure 7, above-mentioned coding module 302 can comprise:
The second coding unit 701, for adopting Speex compressed format to encode to the voice data gathering;
The 3rd coding unit 702, for adopting the H.264 coding video data of compressed format to collection.
In the embodiment of the present invention, according to current network speed, the voice data and the video data that gather are encoded respectively, optimize the speed of audio video transmission; And the voice data after adopting self adaptation echo cancellation algorithm to coding is processed, and improves the quality of voice data; According to the form of real-time messages transmission RTMP agreement, video data after coding is packaged into video packets of data, the voice data after processing is packaged into packets of audio data, video packets of data and packets of audio data are sent to real-time messages transmission RTMP server, have reduced time delay.
Those skilled in the art should understand, embodiments of the invention can be provided as method, system or computer program.Therefore, the present invention can adopt complete hardware implementation example, implement software example or in conjunction with the form of the embodiment of software and hardware aspect completely.And the present invention can adopt the form that wherein includes the upper computer program of implementing of computer-usable storage medium (including but not limited to magnetic disc store and optical memory etc.) of computer usable program code one or more.
The present invention is with reference to describing according to flow chart and/or the block diagram of the method for the embodiment of the present invention, equipment (system) and computer program.Should understand can be in computer program instructions realization flow figure and/or block diagram each flow process and/or the flow process in square frame and flow chart and/or block diagram and/or the combination of square frame.Can provide these computer program instructions to the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device to produce a machine, the instruction of carrying out by the processor of computer or other programmable data processing device is produced for realizing the device in the function of flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame appointments.
These computer program instructions also can be stored in energy vectoring computer or the computer-readable memory of other programmable data processing device with ad hoc fashion work, the instruction that makes to be stored in this computer-readable memory produces the manufacture that comprises command device, and this command device is realized the function of appointment in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame.
These computer program instructions also can be loaded in computer or other programmable data processing device, make to carry out sequence of operations step to produce computer implemented processing on computer or other programmable devices, thereby the instruction of carrying out is provided for realizing the step of the function of appointment in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame on computer or other programmable devices.
Obviously, those skilled in the art can carry out various changes and modification and not depart from the spirit and scope of the present invention the present invention.Like this, if within of the present invention these are revised and modification belongs to the scope of the claims in the present invention and equivalent technologies thereof, the present invention is also intended to comprise these changes and modification interior.
Claims (10)
1. a processing method for audio, video data, is characterized in that, comprising:
Obtain the voice data that gathers by microphone and by the video data of camera collection;
The voice data and the video data that gather are encoded respectively, obtain voice data and video data after coding;
Voice data after adopting self adaptation echo cancellation algorithm to coding is processed, the voice data after formation processing;
According to the form of real-time messages transmission RTMP agreement, the video data after coding is packaged into video packets of data, the voice data after processing is packaged into packets of audio data;
Video packets of data and packets of audio data are sent to real-time messages transmission RTMP server.
2. processing method as claimed in claim 1, is characterized in that, described voice data and video data to collection encoded respectively, comprising:
Detect current network speed;
According to current network speed, the voice data and the video data that gather are encoded respectively.
3. processing method as claimed in claim 1, is characterized in that, described video packets of data and packets of audio data is sent to real-time messages transmission RTMP server, comprising:
Video packets of data and packets of audio data are encrypted respectively, form video packets of data and packets of audio data after encrypting;
Video packets of data and packets of audio data after encrypting are sent to RTMP server.
4. processing method as claimed in claim 1, is characterized in that, described in obtain the voice data that gathers by microphone and by the video data of camera collection, comprising:
According to predetermined period, obtain the voice data that gathers by microphone and by the video data of camera collection.
5. processing method as claimed in claim 1, is characterized in that, described voice data and video data to collection encoded respectively, comprising:
Adopt Speex compressed format to encode to the voice data gathering;
Adopt the H.264 coding video data of compressed format to collection.
6. a processing unit for audio, video data, is characterized in that, comprising:
Acquisition module, for obtaining the voice data that gathers by microphone and by the video data of camera collection;
Coding module, for the voice data and the video data that gather are encoded respectively, obtains voice data and video data after coding;
Processing module, processes the voice data after formation processing for the voice data after adopting self adaptation echo cancellation algorithm to coding;
Package module, for according to the form of real-time messages transmission RTMP agreement, is packaged into the video data after coding video packets of data, the voice data after processing is packaged into packets of audio data;
Sending module, for being sent to real-time messages transmission RTMP server by video packets of data and packets of audio data.
7. processing unit as claimed in claim 6, is characterized in that, described coding module comprises:
Detecting unit, for detection of current network speed;
The first coding unit, for according to current network speed, encodes respectively to the voice data and the video data that gather.
8. processing unit as claimed in claim 6, is characterized in that, described sending module comprises:
Ciphering unit, for video packets of data and packets of audio data are encrypted respectively, forms video packets of data and packets of audio data after encrypting;
Transmitting element, for being sent to RTMP server by video packets of data and packets of audio data after encrypting.
9. processing unit as claimed in claim 6, is characterized in that, described acquisition module comprises:
Acquiring unit, for obtaining the voice data that gathers by microphone and by the video data of camera collection according to predetermined period.
10. processing unit as claimed in claim 6, is characterized in that, described coding module comprises:
The second coding unit, for adopting Speex compressed format to encode to the voice data gathering; The 3rd coding unit, for adopting the H.264 coding video data of compressed format to collection.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106303329A (en) * | 2016-08-11 | 2017-01-04 | 广州爱九游信息技术有限公司 | Record screen live broadcasting method and device, mobile device and live broadcast system |
| CN107966910A (en) * | 2017-11-30 | 2018-04-27 | 深圳Tcl新技术有限公司 | Method of speech processing, intelligent sound box and readable storage medium storing program for executing |
| CN109600651A (en) * | 2018-12-13 | 2019-04-09 | 广州易方信息科技股份有限公司 | Interaction data and audio, video data synchronous method and system is broadcast live in document class |
| CN110087147A (en) * | 2019-04-25 | 2019-08-02 | 视联动力信息技术股份有限公司 | A kind of method and apparatus of audio/video flow transmission |
| CN110881142A (en) * | 2019-10-15 | 2020-03-13 | 平安科技（深圳）有限公司 | Audio and video data encryption and decryption method and device based on rtmp and readable storage medium |
| CN113111215A (en) * | 2021-03-30 | 2021-07-13 | 深圳市冠标科技发展有限公司 | User behavior analysis method and device, electronic equipment and storage medium |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1620798A (en) * | 2001-12-15 | 2005-05-25 | 汤姆森许可公司 | Method and system for providing a private conversation channel in a videoconference system |
| US7228349B2 (en) * | 2000-08-31 | 2007-06-05 | Goldpocket Interactive, Inc. | System and method for interacting with users over a communications network |
| CN1992721A (en) * | 2005-12-29 | 2007-07-04 | 三星Techwin株式会社 | Method for providing video and audio data to a plurality of clients |
| CN102143349A (en) * | 2011-03-22 | 2011-08-03 | 宋健 | Video session implementation method based on audio/video signal transmission through independent channels respectively |
| CN102325182A (en) * | 2011-09-09 | 2012-01-18 | 重庆抛物线信息技术有限责任公司 | Audio-video sharing method and system |
| CN102404546A (en) * | 2011-10-28 | 2012-04-04 | 广东威创视讯科技股份有限公司 | Audio system for conference |
| CN102811310A (en) * | 2011-12-08 | 2012-12-05 | 苏州科达科技有限公司 | Method and system for controlling voice echo cancellation on network video camera |
-
2013
- 2013-09-11 CN CN201310412972.7A patent/CN103533315A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7228349B2 (en) * | 2000-08-31 | 2007-06-05 | Goldpocket Interactive, Inc. | System and method for interacting with users over a communications network |
| CN1620798A (en) * | 2001-12-15 | 2005-05-25 | 汤姆森许可公司 | Method and system for providing a private conversation channel in a videoconference system |
| CN1992721A (en) * | 2005-12-29 | 2007-07-04 | 三星Techwin株式会社 | Method for providing video and audio data to a plurality of clients |
| CN102143349A (en) * | 2011-03-22 | 2011-08-03 | 宋健 | Video session implementation method based on audio/video signal transmission through independent channels respectively |
| CN102325182A (en) * | 2011-09-09 | 2012-01-18 | 重庆抛物线信息技术有限责任公司 | Audio-video sharing method and system |
| CN102404546A (en) * | 2011-10-28 | 2012-04-04 | 广东威创视讯科技股份有限公司 | Audio system for conference |
| CN102811310A (en) * | 2011-12-08 | 2012-12-05 | 苏州科达科技有限公司 | Method and system for controlling voice echo cancellation on network video camera |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106303329A (en) * | 2016-08-11 | 2017-01-04 | 广州爱九游信息技术有限公司 | Record screen live broadcasting method and device, mobile device and live broadcast system |
| CN107966910A (en) * | 2017-11-30 | 2018-04-27 | 深圳Tcl新技术有限公司 | Method of speech processing, intelligent sound box and readable storage medium storing program for executing |
| CN107966910B (en) * | 2017-11-30 | 2021-08-03 | 深圳Tcl新技术有限公司 | Voice processing method, intelligent sound box and readable storage medium |
| CN109600651A (en) * | 2018-12-13 | 2019-04-09 | 广州易方信息科技股份有限公司 | Interaction data and audio, video data synchronous method and system is broadcast live in document class |
| CN110087147A (en) * | 2019-04-25 | 2019-08-02 | 视联动力信息技术股份有限公司 | A kind of method and apparatus of audio/video flow transmission |
| CN110087147B (en) * | 2019-04-25 | 2021-10-08 | 视联动力信息技术股份有限公司 | Audio and video stream transmission method and device |
| CN110881142A (en) * | 2019-10-15 | 2020-03-13 | 平安科技（深圳）有限公司 | Audio and video data encryption and decryption method and device based on rtmp and readable storage medium |
| WO2021072878A1 (en) * | 2019-10-15 | 2021-04-22 | 平安科技（深圳）有限公司 | Audio/video data encryption and decryption method and apparatus employing rtmp, and readable storage medium |
| CN113111215A (en) * | 2021-03-30 | 2021-07-13 | 深圳市冠标科技发展有限公司 | User behavior analysis method and device, electronic equipment and storage medium |
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Application publication date: 20140122 |