CN104469543A - Video marking device based on voice technology - Google Patents
Video marking device based on voice technology Download PDFInfo
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- CN104469543A CN104469543A CN201410633175.6A CN201410633175A CN104469543A CN 104469543 A CN104469543 A CN 104469543A CN 201410633175 A CN201410633175 A CN 201410633175A CN 104469543 A CN104469543 A CN 104469543A
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- 238000006243 chemical reaction Methods 0.000 claims abstract description 14
- 239000003550 marker Substances 0.000 claims description 30
- 238000012937 correction Methods 0.000 claims description 8
- 238000001514 detection method Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 11
- 238000012545 processing Methods 0.000 abstract description 4
- 238000004088 simulation Methods 0.000 abstract 2
- 238000007781 pre-processing Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 7
- 238000002372 labelling Methods 0.000 description 3
- 238000005457 optimization Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/439—Processing of audio elementary streams
- H04N21/4394—Processing of audio elementary streams involving operations for analysing the audio stream, e.g. detecting features or characteristics in audio streams
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/433—Content storage operation, e.g. storage operation in response to a pause request, caching operations
- H04N21/4334—Recording operations
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
- H04N21/4402—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display
- H04N21/440236—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving reformatting operations of video signals for household redistribution, storage or real-time display by media transcoding, e.g. video is transformed into a slideshow of still pictures, audio is converted into text
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/47—End-user applications
- H04N21/472—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content
- H04N21/47202—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content for requesting content on demand, e.g. video on demand
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Databases & Information Systems (AREA)
- Human Computer Interaction (AREA)
- Electrically Operated Instructional Devices (AREA)
Abstract
The invention provides a video marking device based on the voice technology, and belongs to the field of a teaching video playing method. The video marking device comprises a voice recording module used for selecting to-be-marked points in a video and inputting voice information, a preprocessing module used for receiving and collecting the voice information to form a simulation voice signal, a digital-to-analog conversion module used for converting the simulation voice signal into a digital voice signal, a voice recognizing module used for carrying out voice and text conversion recognizing on the digital voice signal to generate a text signal corresponding to the digital voice signal, and a control processing module used for adding/embedding the text signal to a video file where the to-be-marked points are located and displaying the text signal when the video is played to the to-be-marked points. The video marking device well solves the problem that in the prior art, people cannot quickly find needed learning videos during video learning.
Description
Technical field
The present invention relates to field of video processing, mainly refer to video carry out setting up an office mark and the information of mark to be added in video so that video playback time markup information automatic display, more specifically, a kind of video marker device based on voice technology is particularly related to.
Background technology
Along with the development of Internet technology, Modern Teaching Mode has no longer been confined to traditional on-the-spot field research, people can not be used in scene more and to listen to the teacher study, but can in the restriction not by when and where, and are learnt by video according to oneself time and situation.Such as, can remote teaching be carried out, or video self-study etc.But these are all be based upon on the video record of course, namely first need on-the-spot teaching to carry out video record, carry out free study in any place for what need to carry out learning with the time.
In reality, it is even more that course may comprise tens video files, when carrying out arrangement to these a large amount of video files and sorting out, often take be the mode of rename to give some markup words so that sort out and management; In addition, it is in video display process, if want certain point in video to mark, and cannot.
In prior art, in order to overcome the problems referred to above and facilitate learner to make marks in video display process better or remarks, have employed a kind of mode of online webpage displaying video, learner by carrying out video management and study after account logon web page, and carries out remarks or mark by the mode of input through keyboard word in video playback webpage.But this mode has specific conditionity and restricted, and is confined to do concentrated mark and remarks in the Webpage beyond video.
So, a lot of learner wishes can in video display process, go needing the label information of remarks and mark to add in video, to be shown with regard to the automatic label information by its correspondence in video display process or when being played to described gauge point, mark needing the place of mark or remarks in video to realize a kind of more convenient and efficient mode.
Summary of the invention
In view of the above, the object of the present invention is to provide a kind of video marker device based on voice technology, oneself needing the problem of the video of study for solving in prior art cannot find fast when learning video.
For achieving the above object and other relevant objects, the invention provides following technical scheme:
Based on a video marker device for voice technology, comprising: voice typing module, for point to be marked selected in video, input voice information; Pretreatment module, for receiving described voice messaging, and forms analog voice signal to described voice messaging collection; D/A converter module, for converting described analog voice signal to audio digital signals; Sound identification module, for carrying out speech text conversion identification to described audio digital signals, to generate the letter signal corresponding with described audio digital signals; Control treatment module, adds described letter signal/is embedded in the video file at described to be marked some place, and is shown by described letter signal to when described to be marked in video playback.
Preferably, above-mentioned based in the video marker device of voice technology, described step 1) in the method that video carries out selection marquee point is comprised: a selected gauge point is to mark some video points; Or, select two gauge points, to mark the video-frequency band between described two gauge points.
Preferably, above-mentioned based in the video marker device of voice technology, described voice typing module is also for selecting a gauge point to mark some video points.
Preferably, described voice typing module also for selecting two gauge points, to mark the video-frequency band between described two gauge points.
Preferably, above-mentioned based in the video marker device of voice technology, described pretreatment module also for rejecting the blank signal in described voice signal, to form the new speech signal with complete speech content.
As above-mentioned based on the video marker device of voice technology and the further optimization of preferred version thereof, described video marker device also comprises text importing control module, for judging whether the word length corresponding to described letter signal exceedes preset value: if the length of described word is no more than described preset value, then described letter signal is embedded in described video file, and is presented in broadcasting pictures in video playback to when described to be marked; If the length of described word exceedes described preset value, then described letter signal is added in described video file, and in video playback in the window be presented at when described to be marked outside broadcasting pictures.
As above-mentioned based on the video marker device of voice technology and the further optimization of preferred version thereof, described video marker device also comprises: word correction module, for after carrying out speech text conversion to described audio digital signals, word corresponding for described audio digital signals is given preview display, and carry out mess code detection: if there is mess code, then described word is switched to and can edit pattern correct it for learner; If there is not mess code, then described voice signal is preserved.
As mentioned above, the present invention has following beneficial effect: the present invention is by carrying out automated intelligent speech recognition mark to video, overcome in prior art the mode needing manually to come to video labeling, but also one or more point to be marked can be carried out in video mark, to realize for markup information and get the effect that screen synchronously plays display ready, thus provide a convenient and video marker method for image to video learner.
Accompanying drawing explanation
In order to be illustrated more clearly in the scheme in the embodiment of the present invention, be briefly described to describing the required accompanying drawing used in specific embodiment below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those skilled in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of video marker device schematic flow sheet in one embodiment based on voice technology of the present invention.
Fig. 2 is the schematic diagram of another execution mode of a kind of video marker device based on voice technology of the present invention.
Fig. 3 is the schematic diagram of the another execution mode of a kind of video marker device based on voice technology of the present invention.
Fig. 4 is the schematic diagram of the correction module of word described in Fig. 3.
Drawing reference numeral explanation
10 voice typing modules
20 pretreatment module
30 D/A converter modules
40 sound identification modules
50 control treatment modules
60 text importing control modules
70 word correction modules
701 text formatting editor modules
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only a part of embodiment of the present invention, instead of whole embodiments.Based on embodiments of the invention, other embodiments all that those of ordinary skill in the art obtain under the prerequisite not making creative work, all belong to the scope of protection of the invention.
See Fig. 1, show the schematic diagram of a kind of video marker device based on voice technology of the present invention, as shown in the figure, described video marker device comprises: voice typing module 10, for point to be marked selected in video, and input voice information; Pretreatment module 20, for receiving described voice messaging, and forms analog voice signal to described voice messaging collection; D/A converter module 30, for converting described analog voice signal to audio digital signals; Sound identification module 40, for carrying out speech text conversion identification to described audio digital signals, to generate the letter signal corresponding with described audio digital signals; Control treatment module 50, adds described letter signal/is embedded in the video file at described to be marked some place, and is shown by described letter signal to when described to be marked in video playback.
Particularly, in above-mentioned voice typing module 10, the video carrying out marking is the video be in broadcasting, and the mode of broadcasting can be play in webpage, also can be utilize player to play.In addition, to video carry out selection marquee point can be a selected gauge point to mark some video points, or select two gauge points, to mark the video-frequency band between described two gauge points.If select a point to be marked, in the video after mark so afterwards completes, during broadcasting, it can carry out show tags information when being played at described to be marked; And if mark two points to be marked, in the video after mark so afterwards completes, during broadcasting, it can carry out show tags information being played in the video-frequency band time between described two points to be marked.That is to say, select the quantity of different gauge points, so when follow-up video playback, the time of show tags information also will be different, thus the prompt time giving learner also can be different.
Further, input speech signal can be recorded starting point by triggering and record the duration that end point obtains voice signal, microphone specifically can be adopted to obtain voice signal content, namely learner records starting point by clicking or triggering and expresses wanting the content of remarks or mark in the mode of voice facing to microphone, and triggering recording end point stops utilizing microphone to carry out typing voice signal after completing typing.Wherein, described recording starting point and recording end point are also just equivalent to a microphone typing shift knob.Such as, when learner wants to carry out typing voice signal to a certain point to be marked, first click microphone typing shift knob, and start typing voice content, after typing voice content terminates, then click described microphone typing shift knob to terminate typing voice content, thus obtain one section of continuous or multistage continuous print voice signal, during trigger microphone typing shift knob, can be pin to carry out typing voice content always, unclamp again after terminating to stop typing voice content.
Be to be understood that, described voice typing module 10 can be supported to use various language to carry out input voice information, preferably, can be comprise using English to carry out input voice information or to use Chinese to carry out input voice information, still can support that the language such as Japanese, French, German carry out the input of voice messaging.
Particularly, in pretreatment module 20, by receiving from the voice messaging in voice typing module 10, and arrangement is carried out to it gather into continuous print voice signal, for subsequent treatment.Because in inputted voice signal, multiple voice content segment may be comprised, and between each voice content segment, be blank signal, and there is the blank signal of short time in the time of described blank signal, also there is the blank signal of long period, if just input in follow-up step by longer blank signal without arrangement, the speed of whole labeling process can be affected.So, also can be used in pretreatment module 20 rejecting the blank signal in described voice signal, to form the new speech signal with complete speech content; Again the reincarnation of described new speech signal is become analog voice signal.Here processing the voice signal received, is the speed of the digital-to-analogue conversion in order to improve later stage speech recognition.Be to be understood that, the voice signal generated by microphone typing voice should be analog signal, but in order to follow-up processing process, digital signal must be converted thereof into, certainly, this conversion before can being rejecting blank signal also can be after rejecting blank signal, but must be will carry out audio digital signals conversion between speech recognition.
Particularly, in D/A converter module 30, collected analog voice signal is changed into audio digital signals, for the process carrying out voice signal below, it can be changed by software, also can be realized by conversion chip.
Particularly, in sound identification module 40, speech text conversion will be carried out to described audio digital signals, become corresponding letter signal by described audio digital signals corresponding conversion.Because speech text switch technology is quite ripe in the prior art, therefore will repeat no more here.
Particularly, in described control treatment module 50, letter signal after identifying is superposed/embed in described video file, and show when being played to corresponding gauge point, be to be understood that, when being shown in video by letter signal here, it both can the mode of captions be embedded in video pictures, also can be to be shown in the mode of window video playback picture is outer.
Further, see Fig. 2, the schematic diagram of another execution mode of the video marker device that the present invention is based on voice technology is shown, as shown in the figure, also comprise in control treatment module 50 and the length of letter signal is detected, automatically to select corresponding display mode to carry out the text importing control module 60 of letter signal.Particularly, described text importing control module 60 is for judging whether the capability value of described letter signal exceedes preset value, if the capability value of described letter signal is no more than preset value, then described letter signal is embedded in described video file, and is presented in broadcasting pictures in video playback to when described to be marked; If the capability value of described letter signal exceedes preset value, so described letter signal is added in described video file, and in video playback in the window be presented at when described to be marked outside broadcasting pictures.Such as, be 20-60 byte by the default settings of the word length corresponding to described letter signal, for 40 bytes, if the word corresponding to described letter signal is no more than 40 bytes, so just described letter signal is embedded in described video file, and be presented in broadcast interface when being played to gauge point corresponding to this letter signal; On the contrary, if exceed 40 bytes, so just described letter signal is added in described video file, and in video playback in the window be presented at when described to be marked outside broadcasting pictures.
Further, see Fig. 3, show the schematic diagram of the another execution mode of the video marker device that the present invention is based on voice technology, as shown in the figure, in described control treatment module 50, word correction module 70 can also be set, for after carrying out speech text conversion to described audio digital signals, word corresponding for described audio digital signals is given preview display, if there is no mistake, so preserved; If there is mistake, so described word is switched to and can edit pattern correct it for learner.
In addition, seeing Fig. 4, show in Fig. 3, the another schematic diagram of described word correction module 70, text formatting editor module 701 can also being increased at above-mentioned word correction module 70 as shown in the figure, for changing the display format of described word.Make people can carry out the formatting of word according to the hobby of oneself.
In sum, the present invention sets mark by carrying out automatic speech to video, overcome in prior art the mode needing manually to come to video labeling, but also one or more point to be marked can be carried out in video mark, provide a convenient and video marker method for image to video learner.So the present invention effectively overcomes various shortcoming of the prior art and tool high industrial utilization.
Claims (8)
1., based on a video marker device for voice technology, it is characterized in that, comprising:
Voice typing module, for point to be marked selected in video, input voice information;
Pretreatment module, for receiving described voice messaging, and forms analog voice signal to described voice messaging collection;
D/A converter module, for converting described analog voice signal to audio digital signals;
Sound identification module, for carrying out speech text conversion identification to described audio digital signals, to generate the letter signal corresponding with described audio digital signals;
Control treatment module, adds described letter signal/is embedded in the video file at described to be marked some place, and is shown by described letter signal to when described to be marked in video playback.
2. the video marker device based on voice technology according to claim 1, is characterized in that, described voice typing module is also for selecting a gauge point to mark some video points.
3. the video marker device based on voice technology according to claim 1, is characterized in that, described voice typing module also for selecting two gauge points, to mark the video-frequency band between described two gauge points.
4. the video marker device based on voice technology according to claim 1, is characterized in that, described pretreatment module also for rejecting the blank signal in described voice signal, to form the new speech signal with complete speech content.
5. the video marker device based on voice technology according to any one of claim 1-4, is characterized in that, described video marker device also comprises:
Text importing control module, for judging whether the word length corresponding to described letter signal exceedes preset value: if the length of described word is no more than described preset value, then described letter signal is embedded in described video file, and is presented in broadcasting pictures in video playback to when described to be marked; If the length of described word exceedes described preset value, then described letter signal is added in described video file, and in video playback in the window be presented at when described to be marked outside broadcasting pictures.
6. the video marker device based on voice technology according to claim 5, is characterized in that, described preset value is 20-60 byte.
7. the video marker device based on voice technology according to any one of claim 1-4, is characterized in that, described video marker device also comprises:
Word correction module, for after carrying out speech text conversion to described audio digital signals, word corresponding for described audio digital signals is given preview display, and carry out mess code detection: if there is mess code, then described word is switched to and can edit pattern correct it for learner; If there is not mess code, then described voice signal is preserved.
8. the video marker device based on voice technology according to claim 7, is characterized in that, also comprises the text formatting editor module for the display format to change described word in described word correction module.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410633175.6A CN104469543A (en) | 2014-11-07 | 2014-11-07 | Video marking device based on voice technology |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410633175.6A CN104469543A (en) | 2014-11-07 | 2014-11-07 | Video marking device based on voice technology |
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| CN201410633175.6A Pending CN104469543A (en) | 2014-11-07 | 2014-11-07 | Video marking device based on voice technology |
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| CN105185167A (en) * | 2015-08-12 | 2015-12-23 | 广东小天才科技有限公司 | Hearing aid method, hearing aid device, first hearing aid system and second hearing aid system |
| CN105827417A (en) * | 2016-05-31 | 2016-08-03 | 安徽声讯信息技术有限公司 | Voice quick recording device capable of performing modification at any time in conference recording |
| CN106409296A (en) * | 2016-09-14 | 2017-02-15 | 安徽声讯信息技术有限公司 | Voice rapid transcription and correction system based on multi-core processing technology |
| CN111047672A (en) * | 2019-11-26 | 2020-04-21 | 湖南龙诺数字科技有限公司 | Digital animation generation system and method |
| CN113207025A (en) * | 2021-04-30 | 2021-08-03 | 北京字跳网络技术有限公司 | Video processing method and device, electronic equipment and storage medium |
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