CN112114771A - Presentation file playing control method and device - Google Patents
Presentation file playing control method and device Download PDFInfo
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- CN112114771A CN112114771A CN201910535224.5A CN201910535224A CN112114771A CN 112114771 A CN112114771 A CN 112114771A CN 201910535224 A CN201910535224 A CN 201910535224A CN 112114771 A CN112114771 A CN 112114771A
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- 238000000034 method Methods 0.000 title claims abstract description 38
- 238000005516 engineering process Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000012015 optical character recognition Methods 0.000 description 2
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/16—Sound input; Sound output
- G06F3/167—Audio in a user interface, e.g. using voice commands for navigating, audio feedback
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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
- G06F16/30—Information retrieval; Database structures therefor; File system structures therefor of unstructured textual data
- G06F16/33—Querying
- G06F16/3331—Query processing
- G06F16/334—Query execution
- G06F16/3343—Query execution using phonetics
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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
- G06F16/40—Information retrieval; Database structures therefor; File system structures therefor of multimedia data, e.g. slideshows comprising image and additional audio data
- G06F16/43—Querying
- G06F16/438—Presentation of query results
- G06F16/4387—Presentation of query results by the use of playlists
- G06F16/4393—Multimedia presentations, e.g. slide shows, multimedia albums
Abstract
The embodiment of the invention discloses a control method for playing a presentation, which is characterized by comprising the following steps: acquiring the highlighted text content supported by the current page of the presentation; recognizing voice information of a speaker and converting the voice information into text information; matching the text information with the text content supporting highlighting; and when the matching is successful, highlighting the text content successfully matched. The voice recognition mode is adopted, the voice information can be matched with the text content of the demonstration manuscript through recognition, so that the text in the document corresponding to the voice of the speaker can be automatically recognized, the text is highlighted, and the voice recognition method is simple, quick, high in intelligent degree, high in working efficiency and high in universality.
Description
Technical Field
The embodiment of the invention relates to a document control technology, in particular to a method and a device for controlling play of a presentation.
Background
At present, projection devices are widely used in various large companies, schools, and the like, and can project PPT (PowerPoint, presentation), images, and the like on a projection screen. When a lecturer demonstrates the PPT, the lecturer usually needs to draw a highlight key with a mouse or guide or draw a circle of key positions of the lecture with a laser pen according to the current content of the lecture so as to be understood by the person listening to the lecture. In the related art, the presenter does not keep highlighting the text mark corresponding to the spoken content in the document at all times during document presentation, and the presenter needs to manually highlight the text mark or operate a laser pointer for guidance. The prior art depends on the artificial consciousness of a speaker and has complicated operation.
Disclosure of Invention
The embodiment of the invention provides a method and a device for controlling play of a presentation, which are used for realizing voice control of markup document contents during play of the presentation.
To achieve the purpose of the embodiments of the present invention, an embodiment of the present invention provides a method for controlling playback of a presentation, where the method includes:
acquiring the highlighted text content supported by the current page of the presentation;
recognizing voice information of a speaker and converting the voice information into text information;
matching the text information with the text content supporting highlighting;
and when the matching is successful, highlighting the text content successfully matched.
Preferably, the control method further comprises: and when the matching is unsuccessful, playing the current page of the presentation, and canceling the highlighting of the current page of the presentation, or keeping the highlighting of the text content successfully matched last time.
Preferably, the obtaining of the highlighting-enabled text content of the current page of the presentation comprises at least one of:
extracting all text contents of a current page of a showing presentation, reading a highlight flag bit, and acquiring the text contents supporting highlight display, which are set by a user; the highlight zone bit is a zone bit for distinguishing whether highlighting is supported or not;
extracting all text contents of a current page of a showing presentation, segmenting the extracted text contents to obtain a plurality of key terms, and taking one key term or two or more continuous key terms as the text contents supporting highlighting.
Preferably, before extracting the entire text content of the current page of the presentation being shown, further comprises:
acquiring projection information or picture information, and converting the projection information or the picture information into a text.
Preferably, the method further comprises: and when a page switching instruction is received, canceling the highlighting of the current page of the presentation, and restoring the current page of the presentation to a state before voice matching.
Preferably, the method further comprises:
judging whether the presentation is quitted, if so, stopping the voice recognition of the speaker; if not, continuing to recognize the voice of the speaker.
Preferably, the determining that the page switching instruction is received includes:
judging whether the voice information comprises feature switching information or not, wherein the feature switching information is used for controlling a presentation switching page;
and when the voice information comprises feature switching information, controlling the presentation switching page according to the feature switching information.
Preferably, the judging whether to exit the presentation includes:
judging whether the voice information comprises feature closing information or not, wherein the feature closing information is used for controlling the presentation to exit the showing;
and when the voice information comprises feature closing information, controlling the presentation to quit showing according to the feature closing information.
An embodiment of the present invention further provides a presentation play control device, including:
the acquisition module is used for acquiring the highlighted text content supported by the current page of the presentation;
the identification module is used for identifying the voice information of the speaker and converting the voice information into text information;
a matching module configured to match the text information with the text content supporting highlighting;
and the display module is arranged to highlight the text content successfully matched when the matching is successful.
Preferably, the display module is further configured to, when the matching is unsuccessful, play the current page of the presentation, cancel the highlighting of the current page of the presentation, or keep the highlighting of the text content that was successfully matched last time.
The beneficial effects of the embodiment of the invention can include:
1. the control method of the embodiment of the invention adopts a voice recognition mode, can realize automatic recognition of the text in the document corresponding to the voice of the speaker by matching the recognized voice information with the text content of the presentation, and highlights the text, and is simple, quick, high in intelligent degree, high in working efficiency and strong in universality.
2. The control method of the embodiment of the invention identifies the voice of the speaker and the text content of the current playing page of the demonstration document, marks the text with highlight under the matching condition, and has simple scheme and easy implementation.
3. According to the control method provided by the embodiment of the invention, the speaker can automatically mark the high brightness of the content in the document without a mouse or a laser pen in the process of demonstrating the document, so that the speaker can understand the content, the body is intelligent, and the user experience is improved.
Additional features and advantages of embodiments of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention. The objectives and other advantages of the embodiments of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
The accompanying drawings are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the examples of the application do not constitute a limitation of the embodiments of the invention.
Fig. 1 is a flowchart of a presentation play control method according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a presentation playback control apparatus according to an embodiment of the present invention;
fig. 3 is a schematic diagram of a presentation play control process according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It should be noted that the embodiments and features of the embodiments in the present application may be arbitrarily combined with each other without conflict.
The steps illustrated in the flow charts of the figures may be performed in a computer system such as a set of computer-executable instructions. Also, while a logical order is shown in the flow diagrams, in some cases, the steps shown or described may be performed in an order different than here.
Example one
An embodiment of the present invention provides a method for controlling playback of a presentation, and as shown in fig. 1, the method may include S101-S104:
s101, acquiring highlighted text content supported by a current page of the presentation;
s102, recognizing voice information of a speaker, and converting the voice information into text information;
s103, matching the text information with the text content supporting highlight display;
and S104, when the matching is successful, highlighting the text content successfully matched.
In the exemplary embodiment of the invention, in the process of demonstrating the document, the speaker can automatically mark the high brightness of the content in the document without a mouse or a laser pen, which is beneficial to the understanding of the content spoken by the speaker, and improves the user experience; the embodiment of the invention adopts a voice recognition mode, can realize automatic recognition of the text in the document corresponding to the voice of the speaker by recognizing the voice information and matching the text content of the presentation, and highlights the text, so that the method is simple and quick, has high intelligent degree, high working efficiency and strong universality; the embodiment of the invention identifies the voice of the speaker and the text content of the current playing page of the demonstration document, marks the text with highlight under the matching condition, and has simple scheme and easy implementation.
Example two
The embodiment provides a control scheme when the matching is unsuccessful on the basis of the first embodiment.
In an exemplary embodiment of the present invention, when the matching is unsuccessful, the current page of the presentation is played, the highlighting of the current page of the presentation is cancelled, or the highlighting of the text content for which the matching was successful last time is maintained.
In the exemplary embodiment of the invention, when the matching is successful, the highlight of the voice text matched last time can be cancelled, the text content matched successfully at present is highlighted, if the matching is unsuccessful, the highlight of the voice text matched last time can be kept, or the highlight of the voice text matched last time is cancelled, so that at most one part of the presentation is highlighted, a listener can quickly capture the key content, the user experience is improved, and the embodiment is simple and easy to implement.
EXAMPLE III
This embodiment provides a specific implementation of the play control of the presentation in the non-text form on the basis of any of the above embodiments.
In an exemplary embodiment of the present invention, for a projection or a picture, the text content may be extracted in the following manner: acquiring projection information or picture information, and converting the projection information or the picture information into a text.
In the exemplary embodiment of the present invention, the application range of the control method may be expanded, and for a projection or a presentation in a picture format, technologies such as an OCR (Optical Character Recognition) may be adopted to convert the projection or the presentation into a text format, so as to realize highlighting of the picture format and improve a user experience effect.
Example four
This example provides a specific embodiment of setting the text content supporting highlighting on the basis of any of the above examples.
Acquiring the text content supporting highlighting of the current page of the presentation comprises at least one of the following:
extracting all text contents of a current page of a showing presentation, reading a highlight flag bit, and acquiring the text contents supporting highlight display, which are set by a user; the highlight zone bit is a zone bit for distinguishing whether highlighting is supported or not;
extracting all text contents of a current page of a showing presentation, segmenting the extracted text contents to obtain a plurality of key terms, and taking one key term or two or more continuous key terms as the text contents supporting highlighting.
In an exemplary embodiment of the present invention, a user may be supported to set a highlight mark, the user sets the highlight mark in a presentation, reads a corresponding flag bit during playing, obtains all text contents supporting highlight display in a content showing surface of a current page of the presentation, and records the text contents in a collection (a text of the highlight mark can be obtained in a document attribute, and the highlight mark in the presentation is set by the user), when performing voice matching, matching the voice information with the text contents in the collection. The user can set the title and the key information in the presentation to support highlighting, so that a listener can quickly capture the key content, and the user experience is improved.
In the exemplary embodiment of the invention, in order to reduce the operation of the user, voice matching can be automatically performed, all text contents of the current page of the presentation are segmented into one key word, and when the voice is matched, the voice information is matched with the key word. In order to avoid that the highlighted part is only one word and cannot reflect the meaning of the expression, two or more than two key words can be used as sentences for voice matching, so that a speaker can quickly capture key contents and understand the meaning of the expression, and the user experience is improved.
EXAMPLE five
This embodiment gives a control scheme when switching pages on the basis of any of the above embodiments. The method further comprises the following steps: and when a page switching instruction is received, canceling the highlighting of the current page of the presentation, and restoring the current page of the presentation to a state before voice matching.
Judging that the page switching instruction is received comprises:
judging whether the voice information comprises feature switching information or not, wherein the feature switching information is used for controlling a presentation switching page;
and when the voice information comprises feature switching information, controlling the presentation switching page according to the feature switching information.
In an exemplary embodiment of the present invention, in order to reduce the operations of the speaker, a manual page change is not required, a voice instruction may be recognized, for example, the feature switching information may be "page change" or "next page", and when the speaker finishes the description of the current page, the automatic page turning may be implemented by speaking the "page change" or "next page" by voice without a manual operation. The operation of reducing the user, simple swift, intelligent degree is high, and work efficiency is high, and the commonality is strong.
In the exemplary embodiment of the present invention, in order to restore the presentation to the state before the voice matching after the current page of the presentation is played, the entire playback control flow is not changed after the completion (otherwise, the entire presentation has many highlighted texts after the end of the speech).
In an exemplary embodiment of the present invention, all highlighted texts in the content surface of the showing of the current page of the presentation are obtained and then recorded in the collection (the text of the highlighted mark can be obtained in the document attribute, and the highlighted mark in the presentation is set by the user), and the purpose of this operation is to record the highlighted mark of the current page of the presentation before entering the highlighting process, and restore all recorded highlighted texts when exiting the showing of the current page. When the page is switched and the current page is not left, the recognized voice highlighting mark is erased completely, and the page is restored to enter the state before playing.
EXAMPLE six
This embodiment provides a control scheme for exiting the presentation on the basis of any of the above-described embodiments.
The method further comprises the following steps:
judging whether the presentation is quitted, if so, stopping the voice recognition of the speaker; if not, continuing to recognize the voice of the speaker.
The judging whether to quit presentation showing includes:
judging whether the voice information comprises feature closing information or not, wherein the feature closing information is used for controlling the presentation to exit the showing;
and when the voice information comprises feature closing information, controlling the presentation to quit showing according to the feature closing information.
In the exemplary embodiment of the present invention, in order to reduce the operations of the speaker, the presentation does not need to be manually ended, the voice instruction may be recognized, for example, the feature closing information may be "close" or "end", and when the speaker ends the entire speech, the speaker can quit the presentation only by speaking "close" or "end" without manual operation, which reduces the operations of the user, and is simple and fast, high in intelligent degree, high in work efficiency, and strong in universality.
EXAMPLE seven
As shown in fig. 2, the present embodiment provides a presentation playback control apparatus including:
an obtaining module 100 configured to obtain highlighted text content of a current page of a presentation;
the recognition module 200 is configured to recognize voice information of a speaker and convert the voice information into text information;
a matching module 300 configured to match the text information with the text content supporting highlighting;
and the display module 400 is configured to highlight the text content successfully matched when the matching is successful.
Preferably, the display module is further configured to, when the matching is unsuccessful, play the current page of the presentation, cancel the highlighting of the current page of the presentation, or keep the highlighting of the text content that was successfully matched last time.
Example eight
As shown in fig. 3, this embodiment provides an example of an application on the basis of any of the above embodiments.
1. Entering a slide show and starting voice recognition;
2. extracting the text content in the current page of the slide showing and recording all highlighting marks of the current page;
3. the voice information of the speaker is converted into text content through voice recognition;
4. matching the text contents of the step 2 and the step 3;
5. if the text in the step (2) can be matched with the text in the step (3), canceling the highlight mark of the last matched text for the matched text, and executing the highlight mark of the newly matched text;
6. performing the operations from step 3 to step 5;
7. switching pages, and restoring the highlighted mark of the text of the previous page to the state recorded in the step 2;
8. judging whether the slide show is quitted, if not, restarting to circularly execute the operations from the step 2 to the step 7, and if so, executing the step 9;
9. quitting the slide show and closing the voice recognition.
It will be understood by those of ordinary skill in the art that all or some of the steps of the methods, systems, functional modules/units in the devices disclosed above may be implemented as software, firmware, hardware, and suitable combinations thereof. In a hardware implementation, the division between functional modules/units mentioned in the above description does not necessarily correspond to the division of physical components; for example, one physical component may have multiple functions, or one function or step may be performed by several physical components in cooperation. Some or all of the components may be implemented as software executed by a processor, such as a digital signal processor or microprocessor, or as hardware, or as an integrated circuit, such as an application specific integrated circuit. Such software may be distributed on computer readable media, which may include computer storage media (or non-transitory media) and communication media (or transitory media). The term computer storage media includes volatile and nonvolatile, removable and non-removable media implemented in any method or technology for storage of information such as computer readable instructions, data structures, program modules or other data, as is well known to those of ordinary skill in the art. Computer storage media includes, but is not limited to, RAM, ROM, EEPROM, flash memory or other memory technology, CD-ROM, Digital Versatile Disks (DVD) or other optical disk storage, magnetic cassettes, magnetic tape, magnetic disk storage or other magnetic storage devices, or any other medium which can be used to store the desired information and which can accessed by a computer. In addition, communication media typically embodies computer readable instructions, data structures, program modules or other data in a modulated data signal such as a carrier wave or other transport mechanism and includes any information delivery media as known to those skilled in the art.
Claims (10)
1. A presentation play control method, the method comprising:
acquiring the highlighted text content supported by the current page of the presentation;
recognizing voice information of a speaker and converting the voice information into text information;
matching the text information with the text content supporting highlighting;
and when the matching is successful, highlighting the text content successfully matched.
2. The control method according to claim 1, characterized by further comprising: and when the matching is unsuccessful, playing the current page of the presentation, and canceling the highlighting of the current page of the presentation, or keeping the highlighting of the text content successfully matched last time.
3. The method of claim 1, wherein obtaining the highlighting-enabled text content of the current page of the presentation comprises at least one of:
extracting all text contents of a current page of a showing presentation, reading a highlight flag bit, and acquiring the text contents supporting highlight display, which are set by a user; the highlight zone bit is a zone bit for distinguishing whether highlighting is supported or not;
extracting all text contents of a current page of a showing presentation, segmenting the extracted text contents to obtain a plurality of key terms, and taking one key term or two or more continuous key terms as the text contents supporting highlighting.
4. The method of claim 3, wherein prior to extracting the entire text content of the current page of the presentation being shown, further comprises:
acquiring projection information or picture information, and converting the projection information or the picture information into a text.
5. The control method according to claim 1, characterized in that the method further comprises: and when a page switching instruction is received, canceling the highlighting of the current page of the presentation, and restoring the current page of the presentation to a state before voice matching.
6. The control method according to claim 3, characterized in that the method further comprises:
judging whether the presentation is quitted, if so, stopping the voice recognition of the speaker; if not, continuing to recognize the voice of the speaker.
7. The control method of claim 5, wherein determining that a page switch command is received comprises:
judging whether the voice information comprises feature switching information or not, wherein the feature switching information is used for controlling a presentation switching page;
and when the voice information comprises feature switching information, controlling the presentation switching page according to the feature switching information.
8. The control method of claim 6, wherein determining whether to exit presentation comprises:
judging whether the voice information comprises feature closing information or not, wherein the feature closing information is used for controlling the presentation to exit the showing;
and when the voice information comprises feature closing information, controlling the presentation to quit showing according to the feature closing information.
9. A presentation playback control apparatus, comprising:
the acquisition module is used for acquiring the highlighted text content supported by the current page of the presentation;
the identification module is used for identifying the voice information of the speaker and converting the voice information into text information;
a matching module configured to match the text information with the text content supporting highlighting;
and the display module is arranged to highlight the text content successfully matched when the matching is successful.
10. The control device of claim 9, wherein the display module is further configured to play a current page of the presentation, cancel the highlighting of the current page of the presentation, or maintain the highlighting of the text content for which the previous match was successful when the match was unsuccessful.
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| CN201910535224.5A CN112114771A (en) | 2019-06-20 | 2019-06-20 | Presentation file playing control method and device |
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| CN112233669A (en) * | 2019-07-15 | 2021-01-15 | 珠海金山办公软件有限公司 | Speech content prompting method and system |
| CN113506550A (en) * | 2021-07-29 | 2021-10-15 | 北京花兰德科技咨询服务有限公司 | Artificial intelligent reading display and display method |
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