CN112541493B - Topic explaining method and device and electronic equipment - Google Patents
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Abstract
The embodiment of the disclosure discloses a topic explaining method, a topic explaining device and electronic equipment. One embodiment of the method comprises: acquiring a question to be explained; generating an explanation video of the title, and playing the explanation video; and in response to detecting that the user executes interactive operation on the explained video, executing operation corresponding to the interactive operation. The embodiment improves the interestingness of video explanation and enriches the ways of topic explanation.
Description
Technical Field
The embodiment of the disclosure relates to the technical field of computers, in particular to a topic explaining method, a topic explaining device and electronic equipment.
Background
The problem searching software is more and more concerned by students and parents in recent years, and the problem of difficulty in learning can be immediately solved by on-line searching. The related topic explanation mode is usually to find the explanation video of the topic searched by the user in a pre-recorded explanation video library so as to explain the topic searched by the user.
Disclosure of Invention
This disclosure is provided to introduce concepts in a simplified form that are further described below in the detailed description. This disclosure is not intended to identify key features or essential features of the claimed subject matter, nor is it intended to be used to limit the scope of the claimed subject matter.
The embodiment of the disclosure provides a topic explanation method, a device and electronic equipment, which can interact with a user, improve the interestingness of video explanation and enrich the topic explanation mode.
In a first aspect, an embodiment of the present disclosure provides a topic interpretation method, where the method includes: acquiring a question to be explained; generating an explanation video of the title, and playing the explanation video; and in response to detecting that the user executes interactive operation on the explained video, executing operation corresponding to the interactive operation.
In a second aspect, an embodiment of the present disclosure provides a topic interpretation apparatus, including: the device comprises an acquisition unit, a processing unit and a display unit, wherein the acquisition unit is used for acquiring a question to be explained; the playing unit is used for generating an explanation video of the title and playing the explanation video; and the execution unit is used for responding to the detection that the user executes interactive operation aiming at the explanation video and executing operation corresponding to the interactive operation.
In a third aspect, an embodiment of the present disclosure provides an electronic device, including: one or more processors; a storage device for storing one or more programs which, when executed by the one or more processors, cause the one or more processors to implement the title interpreting method according to the first aspect.
In a fourth aspect, the disclosed embodiments provide a computer readable medium, on which a computer program is stored, which when executed by a processor, implements the steps of the topic interpretation method according to the first aspect.
According to the title explaining method, the title explaining device and the electronic equipment, the title to be explained is obtained; then, generating an explanation video of the title, and playing the explanation video; and finally, responding to the detected interactive operation executed by the user aiming at the explanation video, and executing the operation corresponding to the interactive operation. The method can interact with the user, improves the interestingness of video explanation and enriches the topic explanation modes.
Drawings
The above and other features, advantages and aspects of various embodiments of the present disclosure will become more apparent by referring to the following detailed description when taken in conjunction with the accompanying drawings. Throughout the drawings, the same or similar reference numbers refer to the same or similar elements. It should be understood that the drawings are schematic and that elements and features are not necessarily drawn to scale.
FIG. 1 is an exemplary system architecture diagram in which various embodiments of the present disclosure may be applied;
FIG. 2 is a flow chart of one embodiment of a topic teaching method according to the present disclosure;
FIG. 3 is a schematic diagram of one application scenario in which a user of the topic interpretation method according to the present disclosure makes a correct answer to a question;
FIG. 4 is a schematic diagram of one application scenario in which a user makes an incorrect answer to a question in accordance with the topic interpretation method of the present disclosure;
FIG. 5 is a schematic diagram of an application scenario for speech rate switching by a user of the topic interpretation method according to the present disclosure;
FIG. 6 is a schematic diagram of one application scenario presenting titles of a problem solving step according to the topic explanation method of the present disclosure;
FIG. 7 is a schematic diagram of an application scenario of the step of selecting a problem solving according to the topic teaching method of the present disclosure;
FIG. 8 is a schematic diagram of an application scenario for unfolding and folding a topic in accordance with the topic teaching method of the present disclosure;
FIG. 9 is a schematic structural diagram of one embodiment of a topic teaching apparatus according to the present disclosure;
FIG. 10 is a schematic block diagram of a computer system suitable for use in implementing an electronic device of an embodiment of the present disclosure.
Detailed Description
Embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While certain embodiments of the present disclosure are shown in the drawings, it is to be understood that the present disclosure may be embodied in various forms and should not be construed as limited to the embodiments set forth herein, but rather are provided for a more thorough and complete understanding of the present disclosure. It should be understood that the drawings and embodiments of the disclosure are for illustration purposes only and are not intended to limit the scope of the disclosure.
It should be understood that the various steps recited in method embodiments of the present disclosure may be performed in a different order, and/or performed in parallel. Moreover, method embodiments may include additional steps and/or omit performing the illustrated steps. The scope of the present disclosure is not limited in this respect.
The term "including" and variations thereof as used herein is intended to be open-ended, i.e., "including but not limited to". The term "based on" is "based, at least in part, on". The term "one embodiment" means "at least one embodiment"; the term "another embodiment" means "at least one additional embodiment"; the term "some embodiments" means "at least some embodiments". Relevant definitions for other terms will be given in the following description.
It should be noted that the terms "first", "second", and the like in the present disclosure are only used for distinguishing different devices, modules or units, and are not used for limiting the order or interdependence relationship of the functions performed by the devices, modules or units.
It is noted that references to "a", "an", and "the" modifications in this disclosure are intended to be illustrative rather than limiting, and that those skilled in the art will recognize that "one or more" may be used unless the context clearly dictates otherwise.
The names of messages or information exchanged between devices in the embodiments of the present disclosure are for illustrative purposes only, and are not intended to limit the scope of the messages or information.
FIG. 1 illustrates an exemplary system architecture 100 to which embodiments of the topic teaching methods of the present disclosure can be applied.
As shown in fig. 1, the system architecture 100 may include terminal devices 1011, 1012, a network 102, and a server 103. Network 102 is the medium used to provide communication links between terminal devices 1011, 1012 and server 103. Network 102 may include various connection types, such as wired, wireless communication links, or fiber optic cables, to name a few.
The user may use the terminal device 1011, 1012 to interact with the server 103 via the network 102 to send or receive messages or the like, for example, the user may use the terminal device 1011, 1012 to obtain a template of a title from the server 103. Various communication client applications, such as a question searching and answering application, a calculation tool, instant messaging software, etc., may be installed on the terminal devices 1011 and 1012.
A user can acquire a topic to be explained by using terminal equipment 1011 and 1012; then, an explanation video of the title can be generated, and the explanation video is played; finally, in response to detecting that the user performs an interactive operation on the explained video, the terminal devices 1011 and 1012 may perform an operation corresponding to the interactive operation.
The terminal devices 1011 and 1012 may be hardware or software. When the terminal devices 1011, 1012 are hardware, they may be various electronic devices having speakers and displays and supporting information interaction, including but not limited to smart phones, tablet computers, laptop computers, and the like. When the terminal devices 1011 and 1012 are software, they can be installed in the electronic devices listed above. It may be implemented as multiple pieces of software or software modules (e.g., multiple pieces of software or software modules to provide a distributed service), or as a single piece of software or software module. And is not particularly limited herein.
The server 103 may be a server that provides various services. For example, the server may transmit the updated template set of the title to the terminal device 1011 or 1012.
The server 103 may be hardware or software. When the server 103 is hardware, it may be implemented as a distributed server cluster composed of a plurality of servers, or may be implemented as a single server. When the server 103 is software, it may be implemented as multiple pieces of software or software modules (e.g., to provide distributed services), or as a single piece of software or software module. And is not particularly limited herein.
It should be noted that the title explaining method provided in the embodiments of the present disclosure is generally executed by the terminal devices 1011 and 1012, and in this case, the title explaining method is generally set in the terminal devices 1011 and 1012.
It should be noted that the terminal devices 1011 and 1012 may also locally store templates corresponding to various types of titles, and the terminal devices 1011 and 1012 may locally acquire templates corresponding to titles. Exemplary system architecture 100 may not have network 102 and server 103 present at this time.
It should be understood that the number of terminal devices, networks, and servers in fig. 1 is merely illustrative. There may be any number of terminal devices, networks, and servers, as desired for implementation.
With continued reference to FIG. 2, a flow 200 of one embodiment of a title teaching method according to the present disclosure is shown. The title explaining method comprises the following steps:
In this embodiment, an execution subject of the title interpreting method (for example, a terminal device shown in fig. 1) can acquire a title to be interpreted. The topics to be explained above may include, but are not limited to: application, oral and geometric questions. The application problem is to describe the relevant facts by language or words, reflect some mathematical relations (such as quantitative relation, positional relation, etc.), and solve the problem of unknown quantity. Each application topic typically includes known conditions and a problem as required. Mental arithmetic, which may also be referred to as mental arithmetic, generally refers to operations that operate mental while spoken. The oral calculation is brain calculation, and the oral narration is used to memorize the result at that time. This method is used for quick calculation, and is often used to improve intelligence, and is also the mainstream calculation method nowadays. Geometric questions may be called graphical questions, which are mainly proof questions, and a condition is proved or calculated by applying theorem.
As an example, when calculating a topic, a user may take a picture of a topic that is not or has not been answered by mistake with the executive, and at this time, the executive may recognize the topic to be explained from the taken picture.
As another example, a user may click on an area of a title that is not or is not answered in error on a screen of the execution main body, and at this time, the execution main body may obtain a title corresponding to the area clicked by the user.
In this embodiment, the execution agent may generate an explanation video of the topic, and then may play the explanation video. As an example, the executive body may input the topic to be explained into a pre-trained explanation video generation model to obtain an explanation video of the topic to be explained. The explanation video generation model can be used for representing the corresponding relation between the topics and the explanation videos of the topics.
Here, the above-mentioned teaching video generation model may be trained by the following steps:
first, a training sample set may be obtained, where training samples in the training sample set include sample titles and an explanation video of the sample titles.
Then, the sample titles in the training samples in the training sample set and the explanation videos of the sample titles can be used as the input and expected output of the initial model respectively, the initial model is trained by using a machine learning method, and the trained initial model is determined as the explanation video generation model.
In this embodiment, the execution body may detect whether a user performs an interactive operation on the explanation video. If the fact that the user executes the interactive operation aiming at the explanation video is detected, the execution main body can execute the operation corresponding to the interactive operation.
For example, if a play button is present in the explanation video and the user clicks the play button present in the explanation video, the execution body may play the explanation video. If a pause button is presented in the explanation video and the user clicks the pause button presented in the explanation video, the execution main body can pause the explanation video.
The method provided by the embodiment of the disclosure can interact with the user in the process of explaining the video playing, so that the interestingness of video explanation is improved, and the theme explanation mode is enriched.
In some optional implementations, the executing entity may generate the explanation video of the topic by: the execution main body can analyze the questions and acquire the templates corresponding to the questions. Specifically, the execution subject may determine the type of the topic, and then may search for a template corresponding to the topic from a template set corresponding to the type of the topic. The template for the subject may be various types of templates that are previously made by a human. The template may include an interactive interface for interacting with a user. By way of example, if the topic is an application topic, the types of application topics may include, but are not limited to: encounter problem, tree planting problem, clock problem, chicken and rabbit cage sharing problem and solution concentration problem. The template is a pre-generated video used for explaining a type of topic type corresponding to the template, and the template can represent a solution of the type of topic. Here, a video may also be called a presentation or a slide show, and is composed of multiple title-explained pictures in a certain order.
Here, for each template in the template set, a similarity between a topic to be explained and other text except for the parameter in the topic explained by the template may be determined, and a template having a similarity greater than a preset similarity threshold (for example, 0.95) may be determined as the template corresponding to the topic to be explained.
Then, the execution agent may generate an explanation video of the topic based on the template. Specifically, the template may include basic information and information to be supplemented (information to be supplemented), where the basic information is generally preset based on a caption type corresponding to the template, and may include, but is not limited to: text, formulas, and auxiliary graphics. Here, the template may include text and voice corresponding to the picture, and thus, the information to be supplemented may include text information to be supplemented and voice information to be supplemented, which are generally determined according to the corresponding title. The execution main body can determine information to be supplemented in a corresponding template according to the question so as to supplement the template, then can perform Text To Speech (TTS) on the supplemented characters, and establish a corresponding relation between the supplemented picture and the supplemented Speech so as to generate the explanation video of the question.
In some optional implementations, the execution subject may generate an explanation video of the title based on the template by: the executive can extract known conditions and the problem sought from the topic. Thereafter, the template may be filled based on the known conditions and the problems sought above. The template may include at least two positions to be filled, and the positions to be filled may correspond to tags for characterizing whether the positions are filled with the known condition information or the required problem information. Then, after the template is filled, the execution body may generate a voice corresponding to the filled template. The template may correspond to a template voice text which is prepared in advance, after the template is filled according to the title, the execution main body may fill the template voice text corresponding to the template based on the filled template, and then, the filled template voice text may be converted into template voice by using a TTS technique. Then, the filled template and the generated voice can be synthesized to obtain the explanation video of the title. It should be noted that the synthesized template and the speech are synchronized.
In some alternative implementations, the above-described instructional video may include questions for the above-described topics. The above-described problem may be a problem posed in each step of the problem solving guidance for the user. The execution main body can execute corresponding operation based on the answer situation of the user to the question.
In some optional implementations, the executing main body may execute a corresponding operation based on an answer situation of the user to the question by: if the answer condition indicates that the user answers the question correctly, the execution main body may output a voice for indicating that the answer is correct, and identify the correct answer with a preset first identifier. As an example, the executive may output a voice of "congratulate you, answer cheer", and may identify the area where the correct answer is located in green and present a "check-up" identification behind the correct answer. For example, each answer may be presented in a checkbox, and the checkbox for the correct answer may be identified in green.
Referring to fig. 3, fig. 3 is a schematic diagram showing an application scenario in which a user makes a correct answer to a question according to the topic interpretation method of the present disclosure. In fig. 3, as shown in a page 301, the topic 304 of the application questions to be explained displayed on the user terminal is "120 kg of pears in fruit stores, 3/4 for apples, 2/3 for oranges. How many kilograms there are oranges? "the problem currently presented is the choice problem 306", which is the following problem? A. The mass of the orange; b, quality of the apple; C. the total mass of the apple and the pear, if the user clicks the option "a, the mass of the orange", it can be determined that the user has made a correct answer, at this time, as shown in the page 302, the option box of the correct answer a option can be identified in green (not shown in the figure), and the "check mark" is presented behind the option box of the correct answer a option, and meanwhile, the voice of "happy you and answering cheer" can be output. As shown in page 303, after the user has made a correct answer, a question mark "? "change to" the number of oranges ", an animation effect of the flow box 305 changing from small to large may be presented, the flow box 305 may be highlighted, and meanwhile, a voice of" the problem to be solved is the quality of oranges "may be output.
In some optional implementations, the executing body may execute a corresponding operation based on an answer situation of the user to the question by: if the answer condition indicates that the user makes an incorrect answer to the question, the execution main body may output a voice for indicating that the answer is incorrect, and identify the incorrect answer answered by the user with a preset second identifier. As an example, the executive may output a voice "o, answer a wrong answer" and may identify the region in red where the correct answer is located and present an "cross" identification behind the wrong answer. For example, each answer may be presented in a checkbox, and the checkbox for the wrong answer may be dithered.
Referring to fig. 4, fig. 4 is a schematic diagram illustrating an application scenario in which a user makes a wrong answer to a question according to the topic interpretation method of the present disclosure. In fig. 4, as shown in a page 401, the topic 405 of the application topic to be explained displayed on the user terminal is "120 kg of pears in fruit shop, 3/4 for apple quality and 2/3 for orange quality. How many kilograms there are oranges? "the problem currently being presented is the choice question 406" which one of the following problems the question needs to solve? A. The mass of the oranges; B. quality of the apple; C. total mass of the apples and the pears, if the user clicks the option "B, mass of the apples", it may be determined that the user has made an incorrect answer, at this time, as shown in page 402, the option frame of the option of the incorrect answer B may be identified by red (not shown in the figure), the "cross mark" identifier is presented behind the option frame of the option of the incorrect answer B, and at the same time, the option frame of the option B is shaken, and a voice of "e, answer wrong la" is output. As shown in page 403, after the user makes a wrong answer, the correct answer may be identified, for example, the box of correct answer a choice may be identified in green (not shown in the figure), and a "check" identification is presented behind the box of correct answer a choice, and a voice of "this question requires the quality of orange, should select a choice" is output. As shown in page 404, a question mark in flow box 407 in page 403 may be "? "change to" number of oranges, "an animation effect may be presented in which the flow box 407 changes from small to large, and the flow box 407 is highlighted.
In some optional implementations, the executing main body may execute a corresponding operation based on an answer situation of the user to the question by: the execution main body may execute a timing operation after outputting the question, thereby determining a time length during which the response information of the user to the question is not received. The execution subject may compare a time period in which the response information of the user to the question is not received with a preset first time period threshold (e.g., 7 seconds). If the time length for which the answer information of the user to the question is not received is longer than the first time length threshold value, the execution main body can output the voice of the question again. As an example, the question may be: the problem that needs to be solved for this question is which of the following? If the user does not answer the question for more than 7 seconds, the execution body may output again a voice of the question "which question needs to be solved is the next question".
In some optional implementations, after the timing operation is performed, the execution subject may further compare a time period during which the answer information of the user to the question is not received with a preset second time period threshold (for example, 14 seconds). If the time length for which the answer information of the user to the question is not received is longer than the second time length threshold value, the execution main body can output a correct answer of the question. For example, if the question is a choice question, the executive body may display the correct answer, for example, a checkbox presenting the correct answer may be identified as green, a check mark may be presented behind the correct answer, and a voice that the correct answer is an a choice may be output.
In some alternative implementations, the above-described explanation video may be presented with an icon for switching the speech rate. The execution subject may execute an operation corresponding to the interactive operation in response to detecting that the user executes the interactive operation with respect to the explanation video, as follows: the execution body may detect whether a user performs a preset operation on the icon for switching a speech rate. The preset operations may include, but are not limited to: click operation, drag operation and long press operation. If it is detected that the user performs the preset operation on the icon for switching the speech rate, the execution main body may switch the current speech rate. Herein, the speech rate may include, but is not limited to: 0.5X, 0.75X, 1X, 1.25X, 1.5X, and 2X. Wherein 1X represents the normal playing speed of speech of the video, 1.25X represents 1.25 times of the normal playing speed of speech, 1.5X represents 1.5 times of the normal playing speed of speech, 2X represents 2 times of the normal playing speed of speech, 0.5X represents 0.5 times of the normal playing speed of speech, and 0.75X represents 0.75 times of the normal playing speed of speech.
As an example, after the user clicks an icon for switching a speech speed, the execution main body may present a plurality of selectable multiple speeds, and if the user selects one of the multiple speeds, the current speech speed of the lecture video may be switched to the selected speech speed.
As another example, the switching order of the speech rates may be set in advance, and for example, the switching order may be set to: 1X, 1.25X, 1.5X and 2X. If the current speech rate is 1X, when the user performs a click operation on the icon for switching the speech rate, the speech rate may be switched from 1X to 1.25X. If the current speech rate is 1.5X, when the user performs a click operation on the icon for switching the speech rate, the speech rate may be switched from 1.5X to 2X.
Referring to fig. 5, fig. 5 is a schematic diagram illustrating an application scenario of speech rate switching by a user according to the topic interpretation method of the present disclosure. In fig. 5, as shown in a page 501, a user performs a click operation on an icon 505 for switching a speech rate, which may switch a current speech rate from 1X to 1.25X, where the switched speech rate is shown as the icon 505 in the page 502. The user performs a click operation on the icon 505 in the page 502, and may switch the current speech rate from 1.25X to 1.5X, where the switched speech rate is shown as the icon 505 in the page 503. The user performs a click operation on the icon 505 in the page 503, and may switch the current speech rate from 1.5X to 2X, where the switched speech rate is shown as the icon 505 in the page 504.
In some alternative implementations, the above-described explanation video may be composed of multiple problem solving steps. As an example, the title "fruit store has 120 kg pears, apple mass is 3/4 for pears, and orange mass is 2/3 for pears plus apples. How many kilograms orange is? "the explanation video may be composed of the problem solving step: reading questions, deducing unknowns, solving the quality of the apples, solving the total quality of the apples and the pears and solving the quality of the oranges. Icons for presenting titles may be presented in the above-described lecture video. The execution subject may execute an operation corresponding to the interactive operation in response to detecting that the user executes the interactive operation with respect to the explanation video, as follows: the execution body may detect whether a user performs a preset operation on an icon for presenting a title. The preset operations may include, but are not limited to: click operation, drag operation, and long press operation. If it is detected that the user performs a preset operation on the icon for presenting the title, the execution body may present the title of each problem solving step. Here, the title of the currently playing problem solving step may be identified in a preset identification form, for example, the title of the currently playing problem solving step may be identified in a font bold form, or the title of the currently playing problem solving step may be identified in a preset color (for example, red). By way of example, the headings presented for the various problem solving steps may include: 1. reading, 2, deducing unknown quantity, 3, quality of apple, 4, total quality of apple and pear, and 5, quality of orange.
Referring to fig. 6, fig. 6 is a schematic diagram illustrating an application scenario of a title presenting a problem solving step according to the title explaining method of the present disclosure. In fig. 6, a user clicks an icon 603 for presenting a title in a page 601, and a page 602 may be presented, where a title display area in the page 602 is shown as an icon 604, and the user may select a title in the title display area indicated by the icon 604, so as to play a problem solving step corresponding to the selected title. Here, the number 2 on the icon for presenting the title in the page 601 represents that the currently played content is the 2 nd step in the problem solving step, and therefore, the "2 derivation unknowns" in the title presentation area in the page 602 can be displayed in bold as shown by the icon 605.
In some optional implementations, the executing agent may execute an operation corresponding to the interactive operation in response to detecting that the user performs the interactive operation on the explanation video by: the execution body may detect whether the user performs a selection operation, such as a click operation or a long press operation, on the title of the problem solving step. If the user is detected to execute the selection operation on the title of the problem solving step, the execution subject can present the problem solving step indicated by the selected title. By way of example, the titles of the various problem solving steps include: 1. reading a question, 2, deducing unknown quantity, 3, quality of an apple, 4, total quality of the apple and the pear, and 5, quality of an orange, wherein if a user clicks the title of '4, total quality of the apple and the pear', the executing body can jump to a question solving step of explaining the total quality of the apple and the pear, namely, a current playing node is jumped to a starting node for explaining the total quality of the apple and the pear.
Referring to fig. 7, fig. 7 is a schematic diagram showing an application scenario of the step of selecting a problem solving according to the topic teaching method of the present disclosure. In fig. 7, a title display area 703 is presented in a page 701, and a user performs a click operation on a title "4 total mass of apple and pear" in the title display area 703 to present a problem solving step indicated by a selected title 4, as shown in a page 702, at which time, the number 4 on an icon 704 for presenting the title in the page 702 represents that the currently played content is the 4 th step in the problem solving step.
In some optional implementation manners, the explained speech corresponding to the explained video includes speech corresponding to the title, and the speech corresponding to the title may be speech obtained by converting a title text of the title by using a TTS technology. The execution main body may play the explanation video in the following manner: the execution body can present all the contents of the titles and play the voices corresponding to the titles. Then, it may be determined whether the playing of the speech corresponding to the title is completed, and if it is determined that the playing of the speech corresponding to the title is completed, the execution main body may determine whether the area of the presentation area of all the contents of the title is greater than a preset area threshold. It should be noted that the above topics may include pictures. If the title only has characters, the area of the presentation area can be represented by the presentation line number of the title, and at this time, the preset area threshold can be represented as a preset line number threshold, that is, it is determined whether the presentation line number of all the contents of the title is greater than the preset line number threshold. If it is determined that the area of the presentation area of all the contents of the title is larger than the area threshold, the executive body can fold the title to obtain a title presentation area. Here, the area of the title display area may be the preset area threshold. The execution body can fold the titles exceeding the line number threshold. For example, if the number of lines of presentation of the entire content of the title is 7 lines and the number of lines threshold is 4 lines, the execution main body may fold the content of the 5 th to 7 th lines.
In some optional implementations, a part of the content of the topic and an expansion icon for characterizing the expansion topic can be presented in the topic display area of the teaching video. The execution main body may execute an operation corresponding to the interactive operation in response to detecting that the user executes the interactive operation with respect to the explanation video, as follows: the execution body may detect whether a user performs a preset operation on the expansion icon. The preset operations may include, but are not limited to: click operation, drag operation, and long press operation. If the user is detected to execute the preset operation on the expansion icon, the execution main body can present the undisplayed title content and pause playing the explanation video. For example, if 4 lines of title content are presented in the title display area of the explanation video, and if the presentation line number of all the title content is 7 lines, the execution body may present the content on the 5 th line to the 7 th line of the title.
In some optional implementations, the title display area of the lecture video can present the entire contents of the title and a folding icon for representing a folding title. The execution subject may execute an operation corresponding to the interactive operation in response to detecting that the user executes the interactive operation with respect to the explanation video, as follows: the execution main body may detect whether a user performs a preset operation on the folding icon. The preset operations may include, but are not limited to: click operation, drag operation, and long press operation. If the user is detected to execute the preset operation on the folding icon, the execution main body can fold at least part of the content of the title and continue to play the explanation video. Specifically, the execution main body may fold titles that exceed the area threshold among the titles, or may fold titles that exceed the line number threshold among the titles.
Referring to fig. 8, fig. 8 is a schematic view illustrating an application scenario for unfolding and folding a topic according to the topic teaching method of the present disclosure. In fig. 8, when a user plays an explanation video, first, a speech corresponding to the title of the explanation video is played, and at this time, the entire content of the title needs to be presented, as shown in a page 801. If it is detected that the user performs a click operation on the expansion icon in the page 802, the title may be expanded to present all contents of the title, as shown in the page 803, at this time, the presentation of the explanation video is suspended, and the suspension icon is changed to the playing icon. The page 803 is presented with a folding icon, and if it is detected that the user performs a click operation on the folding icon in the page 803, the title can be folded, as shown in the page 804, at this time, the explanation video is continuously played, and the playing icon is changed into a pause icon.
In some alternative implementations, the execution subject may play the explanation video by: the execution body may detect whether a known condition indicated by the currently played content of the lecture video is present in a title display area of the lecture video. If it is detected that the known condition indicated by the currently played content of the lecture video is not displayed in the title display area of the lecture video, the execution main body may scroll the title content in the title display area to display the title content related to the known condition indicated by the currently played content.
In some alternative implementations, the execution subject may play the explanation video by: the execution body may detect whether a known condition indicated by the currently played content of the lecture video is present in a title display area of the lecture video. If it is detected that the known condition indicated by the currently played content of the lecture video is presented in the title display area of the lecture video, the execution subject may identify the known condition indicated by the currently played content by a preset third identifier. For example, the known condition indicated by the currently playing content may be identified in a highlighted form.
With further reference to fig. 9, as an implementation of the methods shown in the above-mentioned figures, the present disclosure provides an embodiment of a title explaining apparatus, which corresponds to the embodiment of the method shown in fig. 2, and which can be applied in various electronic devices.
As shown in fig. 9, the title explaining apparatus 900 of the present embodiment includes: an acquisition unit 901, a playback unit 902, and an execution unit 903. The acquiring unit 901 is configured to acquire a topic to be explained; the playing unit 902 is configured to generate an explanation video of the title, and play the explanation video; the execution unit 903 is configured to execute an operation corresponding to the interactive operation in response to detecting that the user executes the interactive operation on the explained video.
In this embodiment, the specific processing of the acquiring unit 901, the playing unit 902 and the executing unit 903 of the title explaining apparatus 900 can refer to step 201, step 202 and step 203 in the corresponding embodiment of fig. 2.
In some alternative implementations, the playing unit 902 may generate the explanation video of the topic by: the playing unit 902 can analyze the titles to obtain templates corresponding to the titles; then, an explanation video of the topic can be generated based on the template.
In some optional implementations, the playing unit 902 may generate an explanation video of the title based on the template by: the playing unit 902 may extract a known condition and a problem to be solved from the question, and fill the template based on the known condition and the problem to be solved; then, a voice corresponding to the filled template can be generated, and the voice and the filled template are synthesized to obtain an explanation video of the topic.
In some alternative implementations, the above-described instructional video may include questions for the above-described topics. The execution unit 903 may execute an operation corresponding to the interactive operation in response to detecting that the user executes the interactive operation on the explanation video as follows: the execution unit 903 may execute a corresponding operation based on the answer of the user to the question.
In some optional implementations, the execution unit 903 may execute a corresponding operation based on an answer situation of the user to the question as follows: if the answer condition indicates that the user answers the question correctly, the execution unit 903 may output a voice indicating that the answer is correct, and may identify the correct answer with a preset first identifier.
In some optional implementations, the execution unit 903 may execute a corresponding operation based on an answer situation of the user to the question as follows: if the answer condition indicates that the user answers the question incorrectly, the execution unit 903 may output a voice indicating that the answer is incorrect, and may identify the incorrect answer answered by the user with a preset second identifier.
In some optional implementations, the execution unit 903 may execute a corresponding operation based on an answer situation of the user to the question as follows: after outputting the question, the execution unit 903 may execute a timing operation; if the duration of not receiving the answer information of the user for the question is greater than the preset first duration threshold, the execution unit 903 may output the voice of the question again.
In some optional implementations, after the execution unit 903 executes a timing operation, if a duration of time for which the response information of the user to the question is not received is greater than a preset second duration threshold, the execution unit 903 may output a correct answer to the question.
In some alternative implementations, the above-described explanation video may be presented with an icon for switching the speech rate. The execution unit 903 may execute an operation corresponding to the interactive operation in response to detecting that the user executes the interactive operation on the explanation video as follows: in response to detecting that the user performs a preset operation on the icon for switching the speech rate, the execution unit 903 may switch the current speech rate.
In some alternative implementations, the explanation video may be composed of multiple question solving steps, and icons for presenting titles may be presented in the explanation video. The execution unit 903 may execute an operation corresponding to the interactive operation in response to detecting that the user executes the interactive operation on the explanation video as follows: in response to detecting that the user performs a preset operation on the icon for presenting the title, the execution unit 903 may present the titles of the respective problem solving steps, where the title of the currently played problem solving step is identified in a preset identification form.
In some optional implementations, the execution unit 903 may execute an operation corresponding to the interactive operation in response to detecting that the user executes the interactive operation on the explanation video by: in response to detecting that the user performs a selection operation on the title of the problem solving step, the above-mentioned execution unit 903 may present the problem solving step indicated by the selected title.
In some optional implementations, the explained voice corresponding to the explained video may include a voice corresponding to the title. The playing unit 902 may play the explanation video as follows: the playing unit 902 can present all the contents of the title and play the voice corresponding to the title; in response to determining that the playing of the voice corresponding to the title is completed, the playing unit 902 may determine whether the area of the presentation area of all the contents of the title is greater than a preset area threshold; if so, the playing unit 902 may fold the title to obtain a title display area, where an area of the title display area is the preset area threshold.
In some alternative implementations, part of the content of the title and an expansion icon for representing the expansion title can be presented in the title display area of the explained video. The execution unit 903 may execute an operation corresponding to the interactive operation in response to detecting that the user executes the interactive operation on the explanation video as follows: in response to detecting that the user performs a preset operation on the expansion icon, the execution unit 903 may present the non-presented title content and pause playing the explanation video.
In some optional implementations, the title display area of the lecture video can present the entire contents of the title and a folding icon for representing a folding title. The execution unit 903 may execute an operation corresponding to the interactive operation in response to detecting that the user executes the interactive operation on the explanation video as follows: in response to detecting that the user performs a preset operation on the folding icon, the execution unit 903 may fold at least a part of the content of the title, and continue to play the explanation video.
In some alternative implementations, the playing unit 902 may play the explanation video by: in response to detecting that the known condition indicated by the currently played content of the lecture video is not presented in the title display area of the lecture video, the playing unit 902 may scroll the title content in the title display area to display the title content related to the known condition indicated by the currently played content.
In some alternative implementations, the playing unit 902 may play the explanation video by: in response to detecting that the known condition indicated by the currently played content of the lecture video is presented in the title display area of the lecture video, the playing unit 902 may identify the known condition indicated by the currently played content with a preset third identifier.
Referring now to fig. 10, a schematic diagram of an electronic device (e.g., the end device of fig. 1) 1000 suitable for use in implementing embodiments of the present disclosure is shown. The terminal device in the embodiments of the present disclosure may include, but is not limited to, a mobile terminal such as a mobile phone, a notebook computer, a PAD (tablet computer), a PMP (portable multimedia player), and the like, and a fixed terminal such as a digital TV, a desktop computer, and the like. The terminal device shown in fig. 10 is only an example, and should not bring any limitation to the functions and the scope of use of the embodiments of the present disclosure.
As shown in fig. 10, the electronic device 1000 may include a processing means (e.g., a central processing unit, a graphics processor, etc.) 1001 that may perform various appropriate actions and processes according to a program stored in a Read Only Memory (ROM)1002 or a program loaded from a storage means 1008 into a Random Access Memory (RAM) 1003. In the RAM 1003, various programs and data necessary for the operation of the electronic apparatus 1000 are also stored. The processing device 1001, the ROM 1002, and the RAM 1003 are connected to each other by a bus 1004. An input/output (I/O) interface 1005 is also connected to bus 1004.
Generally, the following devices may be connected to the I/O interface 1005: input devices 1006 including, for example, a touch screen, touch pad, keyboard, mouse, camera, microphone, accelerometer, gyroscope, etc.; an output device 1007 including, for example, a Liquid Crystal Display (LCD), a speaker, a vibrator, and the like; and a communication device 1009. The communication device 1009 may allow the electronic device 1000 to communicate with other devices wirelessly or by wire to exchange data. While fig. 10 illustrates an electronic device 1000 having various means, it is to be understood that not all illustrated means are required to be implemented or provided. More or fewer devices may be alternatively implemented or provided. Each block shown in fig. 10 may represent one device or may represent multiple devices as desired.
In particular, the processes described above with reference to the flow diagrams may be implemented as computer software programs, according to embodiments of the present disclosure. For example, embodiments of the present disclosure include a computer program product comprising a computer program embodied on a computer-readable medium, the computer program comprising program code for performing the method illustrated by the flow chart. In such an embodiment, the computer program may be downloaded and installed from a network through the communication means 1009, or installed from the storage means 1008, or installed from the ROM 1002. The computer program, when executed by the processing device 1001, performs the above-described functions defined in the methods of the embodiments of the present disclosure. It should be noted that the computer readable medium described in the embodiments of the present disclosure may be a computer readable signal medium or a computer readable storage medium or any combination of the two. A computer readable storage medium may be, for example, but not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any combination of the foregoing. More specific examples of the computer readable storage medium may include, but are not limited to: an electrical connection having one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing. In embodiments of the disclosure, a computer readable storage medium may be any tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device. In embodiments of the present disclosure, however, a computer readable signal medium may comprise a propagated data signal with computer readable program code embodied therein, for example, in baseband or as part of a carrier wave. Such a propagated data signal may take many forms, including, but not limited to, electro-magnetic, optical, or any suitable combination thereof. A computer readable signal medium may be any computer readable medium that is not a computer readable storage medium and that can communicate, propagate, or transport a program for use by or in connection with an instruction execution system, apparatus, or device. Program code embodied on a computer readable medium may be transmitted using any appropriate medium, including but not limited to: electrical wires, optical cables, RF (radio frequency), etc., or any suitable combination of the foregoing.
The computer readable medium may be embodied in the electronic device; or may exist separately without being assembled into the electronic device. The computer readable medium carries one or more programs which, when executed by the electronic device, cause the electronic device to: acquiring a question to be explained; generating an explanation video of the title, and playing the explanation video; and in response to detecting that the user executes interactive operation on the explained video, executing operation corresponding to the interactive operation.
Computer program code for carrying out operations for embodiments of the present disclosure may be written in any combination of one or more programming languages, including an object oriented programming language such as Java, Smalltalk, C + +, and conventional procedural programming languages, such as the "C" programming language or similar programming languages. The program code may execute entirely on the user's computer, partly on the user's computer, as a stand-alone software package, partly on the user's computer and partly on a remote computer or entirely on the remote computer or server. In the latter scenario, the remote computer may be connected to the user's computer through any type of network, including a Local Area Network (LAN) or a Wide Area Network (WAN), or the connection may be made to an external computer (for example, through the Internet using an Internet service provider).
The flowchart and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of systems, methods and computer program products according to various embodiments of the present disclosure. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It should also be noted that, in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
The units described in the embodiments of the present disclosure may be implemented by software or hardware. The described units may also be provided in a processor, which may be described as: a processor includes an acquisition unit, a playback unit, and an execution unit. Here, the names of these units do not constitute a limitation to the unit itself in some cases, and for example, the acquisition unit may also be described as "a unit that acquires the title of an application title to be explained".
The foregoing description is only exemplary of the preferred embodiments of the disclosure and is illustrative of the principles of the technology employed. It will be appreciated by those skilled in the art that the scope of the embodiments of the present disclosure is not limited to the specific combinations of the above-described features, but also encompasses other embodiments in which any combination of the above-described features or their equivalents is possible without departing from the spirit of the present disclosure. For example, the above features and (but not limited to) the features with similar functions disclosed in the embodiments of the present disclosure are mutually replaced to form the technical solution.
Claims (18)
1. A topic interpretation method, comprising:
acquiring a question to be explained;
generating an explanation video of the topic, and playing the explanation video, wherein the explanation video comprises a plurality of questions aiming at the topic, and the questions are questions provided in each step of conducting question solving guidance on a user;
in response to detecting that a user performs an interactive operation on the explained video, performing an operation corresponding to the interactive operation, including: and executing corresponding operation based on the answer situation of the user to the question associated with the step in each step.
2. The method of claim 1, wherein the generating an explanation video of the topic comprises:
analyzing the questions to obtain templates corresponding to the questions;
and generating an explanation video of the title based on the template.
3. The method of claim 2, wherein generating the explanation video of the topic based on the template comprises:
extracting known conditions and solved problems from the topics, and filling the template based on the known conditions and the solved problems;
and generating voice corresponding to the filled template, and synthesizing the voice and the filled template to obtain the explanation video of the title.
4. The method according to claim 1, wherein the performing corresponding operations based on the answer situation of the user to the question associated with the step in each step comprises:
if the answer condition indicates that the user answers the question correctly, outputting voice used for indicating that the answer is correct, and identifying the correct answer by using a preset first identification.
5. The method according to claim 1, wherein the performing corresponding operations based on the answer situation of the user to the question associated with the step in each step comprises:
if the answer condition indicates that the user makes wrong answers to the questions, outputting voice used for indicating wrong answers, and identifying the wrong answers answered by the user by using a preset second identification.
6. The method according to claim 1, wherein the performing corresponding operations based on the answer situation of the user to the question associated with the step in the respective steps comprises:
executing a timing operation after outputting the problem;
and if the duration of not receiving the answer information of the user aiming at the question is greater than a preset first duration threshold, outputting the voice of the question again.
7. The method of claim 6, wherein after said performing the timing operation, the method further comprises:
and if the time length for which the answer information of the user aiming at the question is not received is greater than a preset second time length threshold value, outputting the correct answer of the question.
8. The method according to claim 1, wherein an icon for switching a speech rate is presented in the narrative video; and
the responding to the detection that the user executes the interactive operation aiming at the explanation video, and executing the operation corresponding to the interactive operation comprises the following steps:
and responding to the detected preset operation of the user on the icon for switching the speech rate, and switching the current speech rate.
9. The method according to claim 1, wherein the explanation video is composed of a plurality of question solving steps, and icons for presenting titles are presented in the explanation video; and
the responding to the detection that the user executes the interactive operation aiming at the explanation video, and executing the operation corresponding to the interactive operation, wherein the operation comprises the following steps:
and in response to detecting that the user performs preset operation on the icon for presenting the title, presenting the titles of all the problem solving steps, wherein the title of the currently played problem solving step is identified in a preset identification form.
10. The method according to claim 9, wherein in response to detecting that a user performs an interactive operation on the explanation video, performing an operation corresponding to the interactive operation includes:
in response to detecting that the user performed a selection operation on the title of the problem solving step, the problem solving step indicated by the selected title is presented.
11. The method of claim 1, wherein the explained speech corresponding to the explained video comprises speech corresponding to the title; and
the playing the explanation video comprises:
presenting all the contents of the questions and playing the voices corresponding to the questions;
in response to determining that the voice playing corresponding to the title is finished, determining whether the area of a presentation area of all contents of the title is larger than a preset area threshold value;
if so, folding the title to obtain a title display area, wherein the area of the title display area is the preset area threshold.
12. The method according to claim 1, wherein a topic display area of the explained video presents partial content of the topic and an expansion icon for characterizing an expansion topic; and
the responding to the detection that the user executes the interactive operation aiming at the explanation video, and executing the operation corresponding to the interactive operation comprises the following steps:
and responding to the detection that the user executes preset operation on the expansion icon, presenting the non-presented title content, and pausing the playing of the explanation video.
13. The method according to claim 1, wherein the title display area of the lecture video presents the entire content of the title and a folding icon for characterizing a folding title; and
the responding to the detection that the user executes the interactive operation aiming at the explanation video, and executing the operation corresponding to the interactive operation, wherein the operation comprises the following steps:
and in response to the fact that the user executes preset operation on the folding icon, folding at least part of the content of the title, and continuing to play the explanation video.
14. The method of claim 1, wherein the playing the explanation video comprises:
in response to detecting that the known condition indicated by the currently played content of the explained video is not presented in the title display area of the explained video, scrolling the title content in the title display area to display the title content related to the known condition indicated by the currently played content.
15. The method according to any one of claims 1-14, wherein said playing said explanation video comprises:
in response to the fact that the known condition indicated by the currently played content of the explained video is detected to be presented in the title display area of the explained video, identifying the known condition indicated by the currently played content with a preset third identification.
16. A topic interpretation apparatus, comprising:
the device comprises an acquisition unit, a display unit and a display unit, wherein the acquisition unit is used for acquiring a question to be explained;
a playing unit, configured to generate an explanation video of the topic, and play the explanation video, where the explanation video includes a plurality of questions for the topic, and the questions are questions provided in each step of performing question solving guidance for a user;
the execution unit is used for responding to the detection that the user executes interactive operation aiming at the explanation video, executing operation corresponding to the interactive operation, and comprises the following steps: and executing corresponding operation based on the answer situation of the user to the question associated with the step in each step.
17. An electronic device, comprising:
one or more processors;
a storage device having one or more programs stored thereon,
the one or more programs, when executed by the one or more processors, cause the one or more processors to implement the method recited in any of claims 1-15.
18. A computer-readable medium, on which a computer program is stored which, when being executed by a processor, carries out the method according to any one of claims 1-15.
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