CN111460220A

CN111460220A - Method for making word flash card video and video product

Info

Publication number: CN111460220A
Application number: CN202010284862.7A
Authority: CN
Inventors: 赵琰
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-13
Filing date: 2020-04-13
Publication date: 2020-07-28

Abstract

The invention provides a method for making a word flash card video and a video product, which are characterized in that a picture capable of expressing the meaning of a target word most is obtained from a picture library by obtaining the target segment and the target word selected from a multimedia segment, the voice audio of the target word is separated, the pictures are sequentially arranged in PPT empty documents according to the target segment, and expected videos which pop up pictures in sequence and are respectively provided with the voice audio are generated. The video manufactured by the method meets the requirements of quickly flashing cards and having large word exchange amount to activate the right brain to quickly enter a learning state, and each picture corresponds to voice, so that students can remember pronunciation when watching the pictures and select multimedia segments to link words with meanings, so that children can complete memorizing and understanding the words under the condition of focusing attention, the content can be easily understood when playing the target segment again, and the learning interest and the learning effect are greatly improved.

Description

Method for making word flash card video and video product

Technical Field

The invention relates to the technical field of education tools of internet education, in particular to a method for manufacturing a word flash card video and a video product.

Background

With parents paying more and more attention to English learning of children, many children begin to learn foreign languages from children, a common learning mode is that teachers teach children in classrooms, the children are taught pictures to speak English, sing English songs, teaching English greetings and the like, although the children speak English and sing English in mouth, the meanings of sentences are not understood except for single words such as common animals and food, and interest cannot be aroused.

Disclosure of Invention

In order to solve the problems, the invention provides a method for manufacturing a word flash card video and a video product, wherein electronic equipment searches an image-containing picture which can most express the meaning of a target word from a gallery by acquiring the target segment selected from a multimedia segment and selecting the target word which can show the meaning by an image from the target segment, separates the voice audio of the target word from the voice stream of the target segment, sequentially arranges the pictures in a PPT document according to the target segment, respectively matches the voice audio, generates expected videos which are sequentially popped up and respectively provided with the voice audio, and the expected videos are word flash card videos of which the playing time of each expected picture is one second. The video manufactured by the method is scientific and reasonable, meets the requirements of quickly flashing the card and having large vocabulary to activate the right brain to quickly enter a learning state, each picture corresponds to voice, so that students memorize pronunciation when watching the picture, the word flashing card video is a target segment, words are linked with meanings, children can remember and understand the words under the condition of focusing attention by watching the picture, the content is easily understood when playing the target segment again, and the learning interest and the learning effect are greatly improved.

The specific technical scheme provided by the invention is as follows:

a method for making word flash card video comprises the following steps:

step 1: acquiring a target fragment selected by a user from multimedia fragments;

step 2: sequentially acquiring target words in the target segment;

preferably, the method further comprises the step 2-1: and selecting words with meaning indicated by the image in the target segment as target words.

And step 3: respectively acquiring expected pictures expressing the meaning of the target words;

preferably, the method further comprises the step 3-1: before the desired picture is obtained, the method further comprises the following steps:

and acquiring a picture matched with the target word from the electronic equipment and/or a cloud database, wherein the picture is used as a primary selection picture.

Preferably, the method further comprises the step 3-2:

acquiring a target image selected and marked in the initially selected picture by a user, and setting a minimum threshold A of the target image in the total image of the picture and a minimum threshold B of the similarity between the image in the picture and the target image;

preferably, the method further comprises the following steps 3-3:

extracting a plurality of characteristic points of an image in a picture, comparing the characteristic points with the target image, when the similarity is larger than or equal to B, the image is a similar image, calculating the proportion of the similar image in the total image of the picture, when the proportion is larger than or equal to A, the picture is an alternative picture corresponding to the target word, and selecting the alternative picture with the best similarity and proportion of the similar image as an expected picture from the alternative pictures; and marking first distinguishing information for the expected pictures corresponding to all the target words respectively.

And 4, step 4: respectively acquiring voice audios of the target words;

preferably, step 4 further comprises:

and processing the voice stream in the multimedia segment, separating the voice audio of the target word, and sequentially marking second distinguishing information on the target word.

And 5: and generating expected videos which pop up the expected pictures in sequence and are respectively provided with voice audios according to the sequence of the target fragments.

Preferably, step 5 includes a video generation mode:

and opening PPT making software, sequentially arranging fifty expected pictures in a blank picture frame according to the target segment sequence, respectively matching the corresponding voice audios, switching the conversion speed of one page of the expected pictures in one second, and generating an expected video which sequentially pops up the expected pictures and contains the voice audios.

Preferably, step 5 includes another video generation manner:

and starting video production software, arranging fifty segments of voice audios on an audio track in sequence according to the sequence of the target segments, respectively matching the corresponding expected pictures, switching the conversion speed of one page of the expected pictures in one second, and generating the expected video which pops up the expected pictures in sequence and contains the voice audios.

Preferably, the interval duration between adjacent voice audios does not exceed 0.3 second.

It should be noted that, the user of the present invention selects the target segment from the multimedia segment, and selects the target word expressing meaning that can express meaning clearly by picture in the target segment, rather than selecting words at will, because the target segment is a section of dialogue with story line, or character tracing, or scene tracing, etc., it is easy to understand and substitute in video playing, and it is easy to arouse interest of children, and it enhances learning effect, and avoids learning english boring and tasteless.

It should be noted that each word matches one picture, and the ratio of the target image in each picture and the similarity between the image and the target image both meet a set threshold value and can be selected as an alternative picture, and then the best picture is selected from the alternative pictures as the desired picture corresponding to the target word. The target image of the expected picture selected according to the step is prominent, has no complex background, is not easy to cause ambiguity, accords with the resolving power of children, enables the children to be clear at a glance when watching the video, and simultaneously enhances the memory.

It should be noted that, the voice audio of the target word separated from the voice stream in the multimedia segment is matched with the corresponding expected picture, so that the pronunciation accuracy can be ensured, and the confusion of difficult correction caused by inaccurate pronunciation in children period for later learning can be effectively avoided.

It should be noted that the first distinguishing information for marking the desired picture includes positioning matching information such as name, sequence, time, and the like; the second distinguishing information for the voice audio mark comprises the positioning matching information of name, sequence, time and the like.

It should be noted that selecting the target word to generate the video with the playing rate of one picture per second not only meets the requirements of quick flash card and large vocabulary amount to activate the right brain to rapidly enter the learning state, but also meets the condition that children cannot concentrate on the video for a long time, including about 1 minute. The playing interval time between adjacent pictures does not exceed 0.3 second, so that the pronunciation interval time between adjacent words is short, the voice continuity during the playing of the whole video is ensured, and the requirement of learning effects of children is met.

It should be noted that after a period of learning, children have understood meanings for words and videos, and are very interested and have a sense of achievement when playing or watching the original multimedia segment again, so that the children can learn English in a scene, and the learning effect is very good.

The invention also discloses a video product containing the word flash card obtained by using any one of the manufacturing methods, wherein the video comprises a conversion speed of switching one page of the expected pictures in one second, and fifty expected pictures are sequentially popped up and provided with voice and audio.

The invention has the beneficial effects that:

the invention provides a method for making word flash card videos and a video product, wherein scientific and reasonable videos are made according to the method, pictures are sequentially arranged in a PPT document according to the sequence of the appearance of corresponding target words in target segments, the conversion speed of one expected picture is switched in one second, and the word flash card videos which pop up the pictures in sequence and contain voice audios are generated. The novel English learning machine not only meets the requirements of quick card flashing and large vocabulary amount to activate the right brain to quickly enter the learning state, but also has a story line and substitution sense, is easy to arouse the interest of children, enhances the learning effect and avoids the boring and tasteless learning of English.

Drawings

FIG. 1 is a flow chart of video production according to an embodiment of the present invention;

fig. 2 is a flowchart of selecting a desired picture according to an embodiment of the present invention;

FIG. 3 is a flow chart of voice audio production according to an embodiment of the present invention;

FIG. 4 is a flowchart of generating a word flash card video according to an embodiment of the present invention;

FIG. 5 is a flow chart of another method for generating a word flash card video according to an embodiment of the present invention;

wherein: 1-an electronic device; a 10-PPT template providing module; 11-an extraction module; 12-setting a module; 13-a display screen; 14-a first communication module;

2-a server; 20-a processor; 21-a memory; 22-a second communication module;

200-a graphics processing module; 201-an audio processing module; 202-video production module.

Detailed Description

As used in the specification and in the claims, certain terms are used to refer to particular components. As one skilled in the art will appreciate, manufacturers may refer to a component by different names. This specification and claims do not intend to distinguish between components that differ in name but not function. In the following description and in the claims, the terms "include" and "comprise" are used in an open-ended fashion, and thus should be interpreted to mean "include, but not limited to,"; in addition, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. The description which follows is a preferred embodiment of the present application, but is made for the purpose of illustrating the general principles of the application and not for the purpose of limiting the scope of the application. The protection scope of the present application shall be subject to the definitions of the appended claims.

As shown in fig. 1-4:

the first embodiment of the present invention:

the invention provides a method for making a word flash card video, which is applied to electronic equipment 1 and comprises the following steps:

step 1: the processor 20 of the server 2 obtains a target segment selected by the user through the extraction module 11 from the multimedia segment;

step 2: the user selects fifty target words in the target segment that can be indicated as meaning in the image, and transmits the fifty target words to the server 2 through the first communication module 14, and stores them in the memory 21, and the processor 20 retrieves the fifty target words from the memory 21.

And step 3: the graphic processing module 200 searches for a picture containing an image matched with the target word, obtains the picture, and selects an expected picture from the pictures;

preferably, before acquiring the desired picture, the method further includes:

further comprising the step 3-1: the image processing module 200 identifies images including images matched with the target images from the electronic device and/or the cloud database, and obtains image types respectively matched with the target words;

the graphics processing module 200 takes various pictures as the initial selection pictures of the target word.

Preferably, the method further comprises the step 3-2:

the user selects an ideal picture from the initially selected pictures, marks a target image on the picture, and manually marks out a closed area; and a setting module 12 is used for setting a minimum threshold A of the target image in the total image of the picture and a minimum threshold B of the similarity between the image in the picture and the target image, the threshold A and the threshold B are transmitted to the server 2 through a first communication module 14 and stored in a memory 21, and the image processing module 200 acquires the information from the memory 21.

Preferably, the method further comprises the following steps 3-3:

the graph processing module 200 extracts a plurality of feature points of an image in a picture and compares the feature points with the feature points of the target image, when the similarity is larger than or equal to B, the image is a similar image, the graph processing module 200 calculates the proportion of the similar image in the picture, and when the proportion of the similar image in the total image of the picture is larger than or equal to A, the picture is a candidate picture corresponding to the target word; the graphics processing module 200 selects an alternative picture with the best similarity and the best proportion of similar images from the alternative pictures as an expected picture; and marking first distinguishing information for the expected pictures corresponding to all the target words respectively.

And 4, step 4: the audio processing module 201 separates the voice audio corresponding to the target word from the multimedia segment, and obtains the voice audio of the target word;

preferably, step 4 further comprises:

the audio processing module 201 processes the voice streams in the multimedia segments, respectively separates the voice audio of the target words, and sequentially marks second distinguishing information according to the sequence of the target words.

And 5: a video generation method comprises the following steps:

the user provides a PPT file with fifty blank picture frames through the PPT template providing module 10, and the video production module 202 arranges fifty desired pictures in the blank picture frames in sequence according to the target segment sequence, and matches the voice audios respectively, and switches the switching speed of one page of the desired picture in one second, so as to generate a word flash card video which pops up the desired picture in sequence and contains the voice audios.

The word flash video is a video with a total duration of about 1 minute.

The generated word flash card video is stored in the memory 21 and is sent to the display 13 of the terminal device 1 through the second communication module 22 for playing.

It should be noted that, the user selects the target segment from the multimedia segment, and selects the target word which can be shown by the image meaning from the target segment, because the target segment is a section of dialogue with a story line, or character tracing, or scene tracing, etc., it is easy to understand and substitute during video playing, and it is easy to arouse interest of children, enhance learning effect, and avoid boring and tasteless learning english.

It should be noted that fifty target words are selected to generate a video with a picture playing rate per second, which not only meets the requirements of quick card flashing and large word exchange amount to activate the right brain to enter the learning state, but also meets the condition that children cannot concentrate on the learning state for a long time. The playing interval time between adjacent pictures does not exceed 0.3 second, so that the pronunciation interval time between adjacent words is short, the voice continuity during the whole video playing is ensured, the designed playing time is about 1 minute, and the requirement of children on the learning effect is met.

As shown in fig. 1, 2, 3, and 5:

another embodiment provided by the present invention:

preferably, before acquiring the desired picture, the method further includes:

Preferably, the method further comprises the step 3-2:

Preferably, the method further comprises the following steps 3-3:

preferably, step 4 further comprises:

And 5: a video generation method comprises the following steps:

and starting video production software, arranging fifty segments of voice audios on an audio track in sequence by the video production module 202 according to the target segment, respectively matching the corresponding expected pictures, switching the conversion speed of one page of the expected pictures in one second, and generating word flash card videos which pop up the expected pictures in sequence and contain the voice audios.

The word flash video is a video with a total duration of about 1 minute.

It should be noted that, the user of the present invention selects the target segment from the multimedia segment, and selects the target word that can indicate the meaning with the image in the target segment, rather than randomly selecting the word, because the target segment is a session with a story line, or a character tracing, or a scene tracing, etc., it is easy to understand and substitute during video playing, and it is easy to arouse the interest of children, and it enhances the learning effect, and avoids learning english boring and tasteless.

It should be noted that fifty target words are selected to generate a video with a picture playing rate per second, which not only meets the requirements of quick card flashing and large word exchange amount to activate the right brain to enter the learning state, but also meets the condition that children cannot concentrate on the learning state for a long time. The playing interval time between adjacent pictures does not exceed 0.3 second, so that the pronunciation interval time between adjacent words is short, the playing time of the whole video is ensured to be about 1 minute, and the requirement of learning efficiency is met.

The invention also discloses another embodiment:

a word flash card video comprises a video containing fifty pictures, switching the switching speed of one desired picture in one second, sequentially popping up the fifty pictures and matching with the word flash card video with the voice audio total playing time of about one minute.

The foregoing describes several preferred embodiments of the present application, but, as noted above, it is to be understood that the application is not limited to the forms disclosed herein, but is not to be construed as excluding other embodiments and is capable of use in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the application, which is to be protected by the claims appended hereto.

Claims

1. A method for making word flash card video is characterized in that: the method comprises the following steps:

step 2: sequentially acquiring target words in the target segment;

and 4, step 4: respectively acquiring voice audios of the target words;

2. The method for making word flash card video according to claim 1, wherein:

further comprising the step 2-1: and screening the target segment to take words with clear meaning of the image as target words.

3. The method for making word flash card video according to claim 2, characterized in that:

further comprising the step 3-1: before the desired picture is obtained, the method further comprises the following steps:

4. The method for making word flash card video according to claim 3, wherein:

further comprising the step 3-2:

and acquiring a target image selected and marked in the primarily selected picture by the user, and setting a minimum threshold A of the target image in the total image of the picture and a minimum threshold B of the similarity between the image in the picture and the target image.

5. The method for making word flash card video according to claim 4, wherein:

further comprising the steps of 3-3:

6. The method for making word flash card video according to claim 5, wherein:

step 4 also includes:

7. The method for making word flash card video according to claim 6, wherein: step 5 comprises a video generation method:

8. The method for making word flash card video according to claim 6, wherein: the other video generation mode included in the step 5 is as follows:

9. The method for making the word flash card video according to any one of claims 7 or 8, wherein:

the interval duration between adjacent voice audios does not exceed 0.3 second.

10. Video product containing word flash cards obtained using the production method according to any one of claims 1 to 9, characterised in that the video switches the speed of conversion of one page of said desired pictures in one second, with the video comprising fifty desired pictures and provided with speech audio being ejected in sequence.