CN113497968A - Method for acquiring dictation content - Google Patents
Method for acquiring dictation content Download PDFInfo
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- CN113497968A CN113497968A CN202110751105.0A CN202110751105A CN113497968A CN 113497968 A CN113497968 A CN 113497968A CN 202110751105 A CN202110751105 A CN 202110751105A CN 113497968 A CN113497968 A CN 113497968A
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- 238000000034 method Methods 0.000 title claims abstract description 23
- 230000001960 triggered effect Effects 0.000 claims description 8
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 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
- H04N21/433—Content storage operation, e.g. storage operation in response to a pause request, caching operations
- H04N21/4334—Recording operations
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/70—Information retrieval; Database structures therefor; File system structures therefor of video data
- G06F16/71—Indexing; Data structures therefor; Storage structures
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B5/00—Electrically-operated educational appliances
- G09B5/08—Electrically-operated educational appliances providing for individual presentation of information to a plurality of student stations
- G09B5/10—Electrically-operated educational appliances providing for individual presentation of information to a plurality of student stations all student stations being capable of presenting the same information simultaneously
-
- 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]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/21—Server components or server architectures
- H04N21/218—Source of audio or video content, e.g. local disk arrays
- H04N21/2187—Live feed
-
- 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]
- H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
- H04N21/83—Generation or processing of protective or descriptive data associated with content; Content structuring
- H04N21/845—Structuring of content, e.g. decomposing content into time segments
- H04N21/8456—Structuring of content, e.g. decomposing content into time segments by decomposing the content in the time domain, e.g. in time segments
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Theoretical Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Databases & Information Systems (AREA)
- Physics & Mathematics (AREA)
- Educational Technology (AREA)
- Educational Administration (AREA)
- Software Systems (AREA)
- Data Mining & Analysis (AREA)
- Business, Economics & Management (AREA)
- General Engineering & Computer Science (AREA)
- Electrically Operated Instructional Devices (AREA)
Abstract
The invention discloses a dictation content acquisition method, which is characterized in that time stamp data of a segment of a dictation link of a teacher is recorded in the live broadcast process of the teacher, and the teacher end, the hometown end or the student end can directly intercept a video segment of the dictation link from the recorded broadcast video of a live broadcast course after acquiring the recorded broadcast video of the live broadcast course and acquire dictation content materials from the video segment for students to listen, write and check, so that the utilization rate of live broadcast course resources can be improved, and the learning efficiency of a user is improved.
Description
Technical Field
The invention relates to the technical field of intelligent terminals, in particular to a dictation content acquisition method.
Background
Dictation is a common teaching mode when learning languages. Currently, most people mainly use players provided by electronic devices (such as smart phones, notebook computers, tablet computers, and the like) to play dictation audios and write down characters reported and read in the dictation audios to perform dictation exercises.
Simultaneously, the current online education develops rapidly, and the teacher can give lessons for the student in the high in the clouds, and in the low-grade study word, the teacher also can often report in real time in the live broadcast process and give birth to the study condition that detects the student, so if can effectual intercepting and utilize these dictation resources, then improvement resource reuse rate that can be fine reduces the burden of giving lessons of the head of a family and teacher.
Disclosure of Invention
In view of the deficiencies of the prior art, the present invention is directed to a method for dictation content acquisition.
In order to achieve the purpose, the invention adopts the following technical scheme:
a method for acquiring dictation content comprises the following specific processes:
a teacher carries out course live broadcast through a teacher end, the teacher end synchronously records live broadcast courses to obtain recorded and broadcast videos, and creates corresponding index files for the recorded and broadcast videos, wherein the index files are used for recording attributes of each frame in the recorded and broadcast videos, and the attributes comprise time stamps and whether the recorded and broadcast videos are dictation frames or not;
students participating in live broadcast courses watch live broadcast through student terminals;
in the live broadcast process, when a teacher needs to perform a dictation loop, triggering a dictation recording event first, recording a current timestamp as dictation starting time by a teacher end, triggering a dictation ending event after the teacher finishes dictation, recording the current timestamp as dictation ending time by the teacher end, and recording whether the attribute of a dictation frame is in all frames between the dictation starting time and the dictation ending time as yes in an index file;
after the live course is finished, the teacher end uploads the recorded and played video and the corresponding index file to the server end;
teachers, parents or students can obtain recorded and played videos and index files of a certain live course from the server through a teacher end, a household end or a student end; when dictation content in the recorded and broadcast video needs to be acquired, a dictation content acquisition event is triggered, a teacher end, a parental terminal or a student end traverses corresponding index files, video segments belonging to a dictation link are intercepted from the recorded and broadcast video according to whether each frame recorded in the index files is the attribute of a dictation frame, then character recognition is carried out on the intercepted video segments to acquire the new words broadcasted by the teacher in the video segments and the texts of corresponding prompt words, audio information of the video segments is extracted to generate an audio file, and then the acquired new words and texts of the prompt words are associated with the audio file;
and when dictation is needed, playing the acquired audio file, and correcting and checking the dictation result according to the acquired new words and the text of the prompt words after dictation is finished.
Furthermore, if the student end acquires the text and the audio file of the new words and the prompt words, the student end is used for playing the audio file when the student listens and writes, and after the listening and writing is finished, the text of the new words and the prompt words is called to check the listening and writing result.
Further, if the teacher end or the parent end obtains the text and the audio file of the new words and the prompt words, the text and the audio file are pushed to the student end through the server to be stored, when the student conducts dictation, the student end is used for playing the audio file, and after the dictation is completed, the text of the new words and the prompt words is called to check the dictation result of the student.
Furthermore, the teacher can listen and write for many times in one live course.
Furthermore, after the live broadcast course is finished, the teacher can further mark whether the recorded and broadcast video contains dictation broadcast contents or not through the teacher end, and the teacher end uploads the recorded and broadcast video and the index file and simultaneously uploads the marked information to the server; when the server returns the recorded and broadcast video and the index file to the teacher end, the household keeper end or the student end, the server returns the marking information to the teacher end, the household keeper end or the student end together so that a teacher, parents or students can know whether the recorded and broadcast video contains the dictation broadcast content.
The invention has the beneficial effects that: through recording the timestamp data of the segments of the dictation link of the teacher in the live broadcasting process of the teacher, the video segments of the dictation link can be directly intercepted from the teacher end, the chief household end or the student end after the recorded and broadcast video of the live broadcasting course is acquired, dictation content materials are acquired from the video segments, and the dictation content materials are used for dictation and checking of students, so that the utilization rate of live broadcasting course resources can be improved, and a user is helped to improve the learning efficiency.
Detailed Description
The present invention will be further described below, and it should be noted that the present embodiment is based on the technical solution, and a detailed implementation manner and a specific operation process are provided, but the protection scope of the present invention is not limited to the present embodiment.
The embodiment provides a method for acquiring dictation content, which specifically comprises the following steps:
a teacher carries out course live broadcast through a teacher end, the teacher end synchronously records live broadcast courses to obtain recorded and broadcast videos, and creates corresponding index files for the recorded and broadcast videos, wherein the index files are used for recording attributes of each frame in the recorded and broadcast videos, and the attributes comprise time stamps and whether the recorded and broadcast videos are dictation frames or not;
students participating in live broadcast courses watch live broadcast through student terminals;
in the live broadcasting process, when a teacher needs to perform a dictation cycle, a dictation recording event (which can be triggered by a physical key, a voice instruction, gesture sliding and the like) is triggered first, a teacher end records a current timestamp as dictation starting time, after the teacher finishes dictation, a dictation ending event (which can be triggered by a physical key, a voice instruction, gesture sliding and the like) is triggered again, the teacher end records the current timestamp as dictation ending time, and whether the attributes of all frames between the dictation starting time and the dictation ending time are dictation frames or not is recorded as yes in an index file;
after the live course is finished, the teacher end uploads the recorded and played video and the corresponding index file to the server end;
teachers, parents or students can obtain recorded and played videos and index files of a certain live course from the server through a teacher end, a household end or a student end; when dictation content in the recorded and broadcast video needs to be acquired, a dictation content acquisition event is triggered (which can be triggered in a physical key, a voice instruction, gesture sliding and other modes), a teacher end, a parental terminal or a student end traverses corresponding index files, video segments belonging to a dictation link are intercepted from the recorded and broadcast video according to the attribute of whether each frame recorded in the index files is a dictation frame, then character recognition is carried out on the intercepted video segments to acquire the new words broadcasted by a teacher in the video segments and the texts of corresponding prompt words, the audio information of the video segments is extracted to generate an audio file, and then the acquired text of the new words and the prompt words are associated with the audio file;
and when dictation is needed, playing the acquired audio file, and correcting and checking the dictation result according to the acquired new words and the text of the prompt words after dictation is finished.
More specifically, if the student end acquires the text and the audio file of the new words and the prompt words, when the student listens and writes, the student end is used for playing the audio file, and after the listening and writing is finished, the text of the new words and the prompt words is called to check the listening and writing result.
If the teacher end or the parent end obtains the text and the audio file of the new words and the prompt words, the text and the audio file are pushed to the student end through the server to be stored, when the student listens and writes, the student end is used for playing the audio file, and after the listening and writing is finished, the text of the new words and the prompt words is called to check the listening and writing result of the student.
Further, in the method, the teacher can listen and write for many times in one live course.
Furthermore, after the live broadcast course is finished, the teacher can further mark whether the recorded and broadcast video contains dictation broadcast contents or not through the teacher end, and the teacher end uploads the recorded and broadcast video and the index file and simultaneously uploads the marked information to the server; when the server returns the recorded and broadcast video and the index file to the teacher end, the household keeper end or the student end, the server returns the marking information to the teacher end, the household keeper end or the student end together so that a teacher, parents or students can know whether the recorded and broadcast video contains the dictation broadcast content.
Various corresponding changes and modifications can be made by those skilled in the art based on the above technical solutions and concepts, and all such changes and modifications should be included in the protection scope of the present invention.
Claims (5)
1. A method for acquiring dictation content is characterized by comprising the following specific processes:
a teacher carries out course live broadcast through a teacher end, the teacher end synchronously records live broadcast courses to obtain recorded and broadcast videos, and creates corresponding index files for the recorded and broadcast videos, wherein the index files are used for recording attributes of each frame in the recorded and broadcast videos, and the attributes comprise time stamps and whether the recorded and broadcast videos are dictation frames or not;
students participating in live broadcast courses watch live broadcast through student terminals;
in the live broadcast process, when a teacher needs to perform a dictation loop, triggering a dictation recording event first, recording a current timestamp as dictation starting time by a teacher end, triggering a dictation ending event after the teacher finishes dictation, recording the current timestamp as dictation ending time by the teacher end, and recording whether the attribute of a dictation frame is in all frames between the dictation starting time and the dictation ending time as yes in an index file;
after the live course is finished, the teacher end uploads the recorded and played video and the corresponding index file to the server end;
teachers, parents or students can obtain recorded and played videos and index files of a certain live course from the server through a teacher end, a household end or a student end; when dictation content in the recorded and broadcast video needs to be acquired, a dictation content acquisition event is triggered, a teacher end, a parental terminal or a student end traverses corresponding index files, video segments belonging to a dictation link are intercepted from the recorded and broadcast video according to whether each frame recorded in the index files is the attribute of a dictation frame, then character recognition is carried out on the intercepted video segments to acquire the new words broadcasted by the teacher in the video segments and the texts of corresponding prompt words, audio information of the video segments is extracted to generate an audio file, and then the acquired new words and texts of the prompt words are associated with the audio file;
and when dictation is needed, playing the acquired audio file, and correcting and checking the dictation result according to the acquired new words and the text of the prompt words after dictation is finished.
2. The method according to claim 1, wherein if the student obtains the text and audio file of the new words and the prompts, the student plays the audio file when dictating, and after dictation is completed, the student calls the text of the new words and the prompts to check the dictation result.
3. The method according to claim 1, wherein if the teacher end or the parent end obtains the text and audio file of the new words and the prompts, the text and audio file are pushed to the student end through the server for storage, the student end is used for playing the audio file when the student listens, and after the listening is finished, the text of the new words and the prompts is called to check the listening result of the student end.
4. The method of claim 1, wherein the teacher may perform the dictation process multiple times during a live lesson.
5. The method of claim 1, wherein after the live-broadcast course is over, the teacher can further mark whether the recorded and broadcast video contains dictation broadcast content through the teacher end, and the teacher end uploads the recorded and broadcast video and the index file and simultaneously uploads the mark information to the server; when the server returns the recorded and broadcast video and the index file to the teacher end, the household keeper end or the student end, the server returns the marking information to the teacher end, the household keeper end or the student end together so that a teacher, parents or students can know whether the recorded and broadcast video contains the dictation broadcast content.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110751105.0A CN113497968A (en) | 2021-07-01 | 2021-07-01 | Method for acquiring dictation content |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110751105.0A CN113497968A (en) | 2021-07-01 | 2021-07-01 | Method for acquiring dictation content |
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| Publication Number | Publication Date |
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| CN113497968A true CN113497968A (en) | 2021-10-12 |
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| CN202110751105.0A Pending CN113497968A (en) | 2021-07-01 | 2021-07-01 | Method for acquiring dictation content |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114845155A (en) * | 2022-03-10 | 2022-08-02 | 广州轻微课教育科技有限公司 | Online video processing method and system for screen recording and answering |
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| Publication number | Priority date | Publication date | Assignee | Title |
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Application publication date: 20211012 |