JP2009271814A - Display device, and display method in display device - Google Patents

Abstract

The present invention provides a display device capable of displaying a manuscript read by a speaker in an easy-to-understand manner, and a display method in the display device.
A mobile phone including a display panel for displaying a character string displays a document read out by a speaker on the display panel in a first display state, and acquires and analyzes the voice of the speaker. Thus, the phrase spoken by the speaker is recognized, and the display panel 4 is recognized based on the recognized phrase.
2 identifies the read-out part of the displayed document, and displays the display state of this specified part.
The second display state is changed from the first display state.
[Selection] Figure 1

Description

  The present invention relates to a display device having a display screen and a display method in the display device.

2. Description of the Related Art Conventionally, there has been known an apparatus that displays a manuscript read by a presenter (speaker) during a presentation (see, for example, Patent Document 1).
In Patent Document 1, a notebook computer that outputs an image used in a presentation to a liquid crystal projector is provided with a sub liquid crystal display separately from a main liquid crystal display that displays an image being output. Is disclosed.
JP 2004-198835 A

By the way, when a speaker reads a long manuscript, there is a problem that it may not be understood where the speaker himself is reading during the presentation. In particular, when a presentation is performed by projecting or displaying an image, the speaker must read the manuscript while paying attention to the image and the audience in a tense state, and it is desirable to reduce the burden on the speaker. It was rare.
SUMMARY An advantage of some aspects of the invention is that it provides a display device that can easily display a manuscript to be read by a speaker and a display method in the display device.

In order to solve the above problems, the present invention provides a display control means for displaying a document read out by a speaker on the display screen in a first display state in a display device including a display screen for displaying a character string, By acquiring and analyzing the voice of the speaker, the voice recognition means for recognizing the words spoken by the speaker, and the original of the document being displayed on the display means based on the words recognized by the voice recognition means Reading judgment means for specifying a part read out, and the display control means displays the display state of the part specified by the reading judgment means in the original being displayed by the display means. There is provided a display device characterized by changing to a second display state different from the display state.
According to this configuration, the manuscript read by the speaker is displayed on the display screen, and the display state of the portion of the displayed manuscript spoken by the speaker changes, so that the speaker is displayed on the display screen. It is possible to read aloud while looking at the displayed manuscript, and furthermore, it is possible to visually distinguish clearly a read portion that has already been read and an unread portion that has not yet been read. That is, the speaker can easily know how far he / she has read the text while viewing the original on the display screen. Thereby, the manuscript read by the speaker is displayed in an easy-to-understand manner, and the burden on the speaker can be greatly reduced.

In the above configuration, the display control device may include a portion that is not specified by the reading determination unit before a portion specified by the reading determination unit in the document being displayed on the display screen. This portion may be specified as a skipped portion, and the display state may be changed to a third display state different from the first and second display states.
In this case, if the speaker reads out the previous part without reading a part of the manuscript, that is, if he skips a part, the skipped part will be Since it is displayed in a display state different from that of the unread portion, the speaker can quickly know that the reading has been skipped, and can take measures such as quickly rereading.
Further, in the above configuration, the display control device includes: a document being displayed on the display screen;
When the part displayed in the third display state is specified by the reading determination unit, the display state of the specified part may be changed to the second display state.
In this case, if the speaker skips the part that was skipped, the display state of the skipped part is switched to the same display state as the already read part. , The speaker can know quickly.

Furthermore, in the above-described configuration, a photographing means for photographing an image projected or displayed while the speaker reads out the original, and a storage means for storing image correspondence information that defines the correspondence between the read-out position of the original and the image And when the image captured by the imaging unit is switched, the display control unit reads out corresponding to the image after switching based on the image correspondence information stored in the storage unit. The original after the location may be displayed on the display screen.
In this case, when an image projected or displayed while the speaker reads a document, for example, a presentation slide is switched, a portion of the document corresponding to the switched image is displayed on the display device. In synchronization with the displayed image, it is possible to display the manuscript more clearly, and the burden on the speaker can be further reduced.

Still further, in the above configuration, when the display control unit displays the original after the reading portion corresponding to the image after switching on the display screen in response to switching of the image captured by the imaging unit. The part that is displayed before the reading position corresponding to the image after switching and is displayed in the first display state is continuously displayed on the display screen in a display state different from the first display state. May be.
In this case, an image projected or displayed while the speaker reads the document, for example, when a slide for presentation is switched, an unread portion of the document corresponding to the image projected or displayed before that is switched. Since the display state changes, it is possible to promptly notify the speaker that there is an unread portion of the document corresponding to the previous image. As a result, the speaker can know that there has been a difference between the switching of the projected or displayed image and the reading of the document, and can also correct the reading speed of the document and the switching timing of the image.

In order to solve the above problem, the present invention displays a document read out by a speaker on the display screen in a first display state by a display device having a display screen for displaying a character string.
By obtaining and analyzing the voice of the speaker, the phrase spoken by the speaker is recognized, and based on the recognized phrase, the read-out portion of the original being displayed on the display means is specified, The display state of the portion specified as the portion read out of the document being displayed by the display means,
There is provided a display method in a display device, characterized by changing to a second display state different from the first display state.
According to this method, the manuscript read by the speaker is displayed on the display screen, and the display state of the portion of the displayed manuscript spoken by the speaker changes, so that the speaker is displayed on the display screen. You can read aloud while looking at the displayed manuscript.
It is possible to clearly distinguish visually from unread parts that have not yet been read out. That is, the speaker can easily know how far he / she has read the text while viewing the original on the display screen. Thereby, the manuscript read by the speaker is displayed in an easy-to-understand manner, and the burden on the speaker can be greatly reduced.

According to the present invention, the original to be read by the speaker is displayed on the display screen, and the display state of the original is changed based on the voice of the speaker, so that the speaker can read the already read portion and Since it is possible to visually distinguish the unread portion that has not been read out, it is possible to display the manuscript that the speaker reads out in an easy-to-understand manner, thereby greatly reducing the burden on the speaker.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
FIG. 1 is a diagram illustrating a usage state of a mobile phone 1 as a display device according to an embodiment to which the present invention is applied.
In FIG. 1, 50 is a projector and 53 is a screen. Projector 50
Is connected to a computer 55 as a video source, and the projector 50 projects an image 54 on a screen 53 based on a video signal output from the computer 55.
The cellular phone 1 uses the projector 50, the screen 53, and the computer 55 to perform a description, a lecture, a presentation, and the like (hereinafter referred to as a presentation in the present embodiment), and a manuscript that displays a manuscript that a speaker (presenter) speaks. It has a display function. By using the document display function of the cellular phone 1, the speaker can read the document without holding a paper document.

FIG. 2 is a block diagram showing a functional configuration of the mobile phone 1.
The mobile phone 1 reads data from a control unit 10 that controls each unit, a storage unit 11 (storage means) that stores various data processed by the control unit 10, and an external storage medium 15 outside the mobile phone 1. And an external interface unit 12 for performing writing, and the control unit 1
“0” can use data read from the external storage medium 15 via the external interface unit 12 in addition to the data stored in the storage unit 11 when the above document display function is executed.
Here, the external storage medium 15 is, for example, a card-type device using a semiconductor storage element, and the external interface unit 12 includes a slot into which, for example, a card-type device can be inserted. In addition, other electronic devices may be used as the external storage medium 15, and in this case,
The external interface unit 12 includes, for example, a Bluetooth (registered trademark), a wireless LAN, an infrared communication interface, and the like as a communication interface for transmitting and receiving data to and from the electronic device.

The mobile phone 1 also includes an operation unit 20 that detects an operation by a speaker, and a display unit 40 that displays various types of information such as a document.
The display unit 40 includes a display panel 42 formed of a liquid crystal display panel, an organic EL panel, or the like, and a display driver 41 that drives a display element constituting the display panel 42 to display an image on the display panel 42. In the present embodiment, the display panel 42 is assumed to be a liquid crystal display panel, and a backlight 43 that illuminates the display panel 42 from the back side is provided. When the display panel 42 is composed of an organic EL panel, the backlight 43 is not necessary.
The operation unit 20 includes a touch sensor 21 disposed on the display panel 42, a key input unit 22 including numeric keys and character keys, and an operation detection unit that detects operations in the touch sensor 21 and the key input unit 22. 23. The operation detection unit 23 detects an operation at the key input unit 22, generates an operation signal corresponding to the operated key, and outputs the operation signal to the control unit 10. Further, when detecting the operation of the touch sensor 21, the operation detection unit 23 generates an operation signal indicating an operation position on the touch sensor 21 and outputs the operation signal to the control unit 10.

The mobile phone 1 includes an illuminance sensor 24 that detects ambient brightness. Illuminance sensor 2
4 includes a detection unit using a photodiode or a phototransistor, and this detection unit is disposed so as to be exposed on the surface of the mobile phone 1 main body. The illuminance sensor 24 is connected to the mobile phone 1
A detection value corresponding to the ambient brightness is output to the control unit 10, and the control unit 10 determines the ambient brightness based on the detection value input from the illuminance sensor 24. When the illuminance sensor 24 outputs an analog electrical signal, an A / D conversion circuit that amplifies the analog electrical signal, converts it to digital data, and outputs the digital data to the control unit 10 may be provided.

In addition, the mobile phone 1 includes an imaging unit 25 including an imaging element such as a CCD image sensor or a CMOS image sensor and a lens, and an imaging control that controls the imaging unit 25 according to the control of the control unit 10 to perform imaging. And a camera photographing function is provided by the photographing unit 25 and the photographing control unit 26. The imaging control unit 26 converts the data output from the image sensor of the imaging unit 25 into a digital image data format and outputs the digital image data to the control unit 10. The photographing unit 25 may be configured to have a zoom function for changing the photographing magnification by moving the lens. In this case, the photographing control unit 26 controls the driving of the photographing unit 25 to realize a predetermined photographing magnification. . Shooting unit 25
Functions as a photographing means together with the photographing control unit 26.

Furthermore, the mobile phone 1 includes a communication unit 27 that transmits and receives radio signals to and from a base station (not shown) via the antenna 28. The communication unit 27 generates a baseband signal from a built-in baseband unit (not shown) based on digital data for transmission input from the control unit 10, modulates and amplifies the baseband signal, and transmits the antenna. 28. Further, the communication unit 27 amplifies and demodulates the radio signal received by the antenna 28 to generate digital data, and outputs the digital data to the control unit 10. A base station (not shown) through which the communication unit 27 transmits and receives radio signals is a radio communication station installed by a communication provider that provides a mobile phone network, and is connected to the backbone line of the communication provider. A communication service is provided to the mobile phone 1 via the not shown). The mobile phone 1 performs communication with the base station using the communication unit 27 and the antenna 28 during a voice call as a mobile phone and during data communication.

The mobile phone 1 further collects sound with a microphone 31 and a speaker 32.
Is provided with a voice processing unit 30 that outputs voice. The voice processing unit 30 converts the analog electrical signal output by the microphone 31 to collect and output voice to digital data, and outputs the digital data to the control unit 10 and the voice recognition unit 33. Further, the sound processing unit 30 generates sound signals based on the digital data input from the control unit 10, amplifies the sound signals, and outputs the sound signals to the speaker 32, thereby outputting sound from the speaker 32.
The voice recognition unit 33 (voice recognition means) analyzes the digital data input from the voice processing unit 30 to recognize words included in the voice collected by the microphone 31, generates text data, and performs control. To the unit 10. The voice recognition unit 33 inputs the content spoken by the speaker using the mobile phone 1 to the control unit 10 as text data.
In addition, the mobile phone 1 includes a laser light emitting unit 35 that generates red or green laser light using a built-in semiconductor laser oscillator and emits the laser light in a predetermined direction. The control unit 10 controls ON / OFF of the drive current for the laser light emitting unit 35 according to the operation detected by the operation unit 20. The laser light emitting unit 35 is used as a laser pointer indicating the image 54 projected on the screen 53 (FIG. 1). In order to easily operate the laser emission unit 35, the key input unit 22 may be provided with an independent switch for instructing emission, and the laser emission unit 35 may emit light only when the switch is pressed.

When the mobile phone 1 configured as described above functions as a mobile phone, it can execute voice calls and data communications. When performing a voice call, the mobile phone 1 transmits / receives a control signal related to the start of a call to / from a base station (not shown) by the communication unit 27, performs an outgoing call or an incoming call, and starts a voice call To do. During the voice call, the control unit 10 controls the voice processing unit 30,
The voice of the speaker is acquired by the microphone 31 and the voice data is transmitted by the communication unit 27, and the voice is output from the speaker 32 based on the voice data received by the communication unit 27.
In addition, when the mobile phone 1 executes transmission / reception of an e-mail or browsing of a web page by a browser function, the communication unit 27 transmits / receives a control signal related to start of data communication with a base station (not shown), Data is transmitted to and received from a gateway server provided by the communication carrier.

Further, as shown in FIG. 1, the mobile phone 1 has a document display function for displaying on the display panel 42 a document to be read out by a speaker in the presentation when the presentation is performed. When this document display function is executed, the control unit 10 functions as a display control unit and a reading determination unit.
When executing the document display function, the control unit 10 acquires the text data of the document stored in the storage unit 11, generates display information for displaying the text data, and outputs the display information to the display unit 40. If the text data of the document is stored in the external storage medium 15, the document display function is executed in a state where the text data is read by the external interface unit 12 and stored in the storage unit 11.
The document text data stored in the storage unit 11 is continuous text data corresponding to one presentation, or data obtained by dividing text data corresponding to one presentation into a plurality of pieces. The relatively long text data is provided with a plurality of indexes, and an arbitrary position in the text data can be designated using the indexes as indices.
The storage unit 11 stores slide correspondence information 11a (image correspondence information) that associates the slide projected on the screen 53 in the presentation with the text data index. Here, the slide is an explanatory image projected as an image 54 on the screen 53 during the presentation.
In addition, the control unit 10 performs control to change the luminance of the backlight 43 based on the ambient illuminance detected by the illuminance sensor 24 when the document display function is executed. Thereby, for example, even if the surrounding becomes dark during the presentation, the document can be displayed in an easy-to-see manner.

FIG. 3 is a diagram schematically illustrating a configuration example of the slide correspondence information 11 a stored in the storage unit 11.
As illustrated in FIG. 3, the slide correspondence information 11a includes a slide number and an index number indicating the index of the head position of text data corresponding to the slide.
It is associated.
For example, no. In the text data of the manuscript of the presentation that uses the slides numbered 1 to No. No. 01- is assigned, and the storage unit 11 stores the slide correspondence information 11a illustrated in FIG. For the explanation of the slide 3, the text data No. This is a part starting from the index of 06. For this reason, for example, N
o. 3 is projected on the screen 53, No. 3 slide is projected. When the text data after the index of 06 is read out, it becomes a preferable presentation in which the slide and the text data are linked.

FIG. 4 is a flowchart showing an operation when the original display function of the mobile phone 1 is executed. The operation shown in FIG. 4 is executed by the control unit 10 controlling each unit of the mobile phone 1.
The control unit 10 first reads the text data of the document stored in the storage unit 11 (step S11), and waits until an instruction to start display is given by the operation of the operation unit 20 (step S12).
Here, when an operation such as an operation in which the speaker touches the display panel 42 or an operation of pressing a key of the key input unit 22 is performed and a display start is instructed (step S12; Yes), the control unit 10
Imaging of the image 54 projected on the screen 53 by the imaging unit 25 is started, and the screen 5
3 is detected (step S13).

Before starting the presentation, a cover slide containing the presentation title is usually projected as an image 54, a blue background image is projected as the image 54, or during normal operation of the computer 55 (standby) Screen) is projected as an image 54. When the presentation starts, the speaker or assistant operates the computer 55 to start projecting the slide for explanation, and the image 54 is switched to the slide for explanation. Therefore, the control unit 10 detects that the image 54 projected on the screen 53 has been switched after the start of document display is instructed, and uses this switching as a presentation start trigger.
In order to detect the switching of the image 54, in step S 13, the speaker performs an operation of directing the lens of the photographing unit 25 of the mobile phone 1 toward the screen 53.
5 is acquired at a predetermined period, and a process of comparing with previously acquired captured image data is performed. Here, a message for guiding the lens of the photographing unit 25 to face the screen 53 may be displayed on the display panel 42.

When the switching of the image 54 is detected (step S13; Yes), the control unit 10 starts voice recognition processing by the voice recognition unit 33 (step S14) and the display driver 4
1 is controlled to display the text data of the original read in step S11 on the display panel 42 (step S15). The range displayed in step S15 is, for example, a range that falls within the limits on the number of display characters and display lines on the display panel 42 from the beginning of the text data of the document.
Thereafter, the control unit 10 collates the text data recognized by the voice recognition unit 33 with the text data being displayed on the display panel 42, and the voice recognition unit 3 among the text data being displayed.
The part recognized by 3 is identified as the read part read out by the speaker, and the display state of this read part is changed (step S16). In step S <b> 16, when the already-read portion whose display state has been changed occupies a predetermined ratio or more of the display area of the display panel 42, the control unit 10 determines the text data to be displayed on the display panel 42. Move the range and scroll the display. Thereby, in the text data being displayed on the display panel 42, the display state of the portion read out by the speaker is sequentially changed, so that the speaker can easily grasp how far it has been read out. Further, when the already read portion advances to a predetermined position on the display panel 42, the display is scrolled and the text data of the subsequent portion is displayed, so that the presentation can be comfortably continued.

Further, the control unit 10 determines whether or not skipping has occurred as a result of collating the text data recognized by the voice recognition unit 33 with the text data being displayed on the display panel 42 (step S17). The skipping occurs when the speaker does not read out a part of the text data being displayed on the display panel 42 and reads out the part ahead. When skipping has occurred (step S17; Yes), the control unit 10 changes the display state of the skipped portion to highlight display (step S18), and returns to step S16 to repeat the process.
The skipping can be detected, for example, by the fact that the already-read portion specified by the control unit 10 in step S16 and the already-read portion specified earlier are not continuous and there is an unread portion that has not yet been read. The unread portion sandwiched between the already read portions is specified as a skipped portion and is highlighted.

When skipping has not occurred (step S17; No), the control unit 10 continues to
It is determined whether or not the portion skipped before is reread (step S1).
9). Re-reading means that the part detected as skipping in step S17 is subsequently read out by the speaker. When there is a part in the text data collated in step S16 that matches the skipped part specified before (step S19; Yes), the control unit 10 selects the skipped part that is highlighted. Among these, the highlighted display of the re-read portion is finished (step S20), and the process proceeds to step S21. In addition, when there is no portion corresponding to rereading or when there is no skipped portion (step S).
19; No), the control unit 10 proceeds to step S21.

In step S <b> 21, the control unit 10 determines whether or not the slide projected as the image 54 by the projector 50 has been switched based on whether or not the photographed image data of the photographing unit 25 has changed. Even after detecting the switching of the slide at the start of the presentation in step S13, the control unit 10 acquires and compares the captured image data of the imaging unit 25 in a predetermined cycle, and sets a predetermined level in the captured image data. If there is a change that exceeds,
In step S21, it is determined that the slide has been switched. In this case, the control unit 10 refers to the slide correspondence information 11a, identifies the index position corresponding to the slide after switching, and the part before the identified index position of the text data being displayed on the display panel 42. Is switched to highlighted display, and this portion is continuously displayed on the display panel 42 (step S22). Subsequently, the control unit 10 displays the display panel 4 so that text data after the index corresponding to the slide after switching is displayed on the display panel 42.
The range of the text data to be displayed in 2 is moved and scrolled (step S23).
). That is, the control unit 10 scrolls and displays so as to display a document corresponding to the slide after the switching on the display panel 42 when the switching of the slide is detected based on whether or not the captured image data of the imaging unit 25 is changed. Although there is a change, if there is an unread portion in the document corresponding to the previous slide, the unread portion is displayed in an highlighted state continuously.

Then, the control unit 10 determines whether or not reading has been completed based on whether or not all of the text data for presentation read from the storage unit 11 has been read (step S24), and reading is completed. If not, the process returns to step S16 to repeat the process. If the reading is completed, the process ends. In this step S24, the control unit 10
May determine whether or not the reading has been completed based on the presence or absence of text data input from the voice recognition unit 33 or the change in the voice collected by the voice processing unit 30 by the microphone 31.
On the other hand, when the slide projected as the image 54 is not switched (step S2).
1; No), the control unit 10 proceeds to step S24 as it is and performs the above determination.

FIG. 5 is a diagram showing a display example of the text data of the document during the operation shown in FIG.
As illustrated in FIG. 5, text data for reading 45 is displayed on the display panel 42 of the mobile phone 1 during the presentation.
The text data for reading 45 is normally displayed without being underlined or the like (
In the first display state), the read portion 45a that has already been read out by the speaker is determined to have been read out in step S16 in FIG. 4, and the display state is changed. In the example of FIG. 5, the read portion 45a is underlined (second display state), and the difference from the unread portion 45c is clear. For this reason,
It is possible to clearly tell the speaker how far it has been read, and the speaker only has to read the text data that is not underlined, and can prevent erroneous reading of the manuscript.
As described with reference to step S17 in FIG. 4, when the speaker skips a part of the text data for reading 45 displayed on the display panel 42, the skipped part is highlighted (first display). 3 display state). In the example of FIG. 5, the highlight display portion 45b corresponds to a skipped portion. The display state of the highlight display unit 45b is, for example, a display state in which the character itself is blinking, a position where the pattern is superimposed on the character or in the vicinity of the character, a display state in which this pattern is blinking, a position where the character is superimposed, or the vicinity of the character Display state in which a color pattern is displayed.
When the speaker reads out the text of the highlight display section 45b, the re-reading described in step S19 of FIG. 4 is performed, and the highlight display of the highlight display section 45b is the normal read part 4
The display is switched to the underline display similar to 5a.

As described above, according to the mobile phone 1 according to the embodiment of the present invention, the text data of the manuscript read by the speaker in the presentation is read from the storage unit 11 and displayed on the display panel 42. A presentation can be made while viewing the original displayed on the display panel 42. Further, the control unit 10 changes the display state of the portion of the text data of the document displayed on the display panel 42 that matches the text data recognized by the voice recognition unit 33, so that the speaker speaks and reads it out. As a result, the speaker can visually distinguish clearly the already read part from the already read part and the unread part that has not yet been read, and can easily know how far it has been read. . Thereby, the manuscript read by the speaker is displayed in an easy-to-understand manner, and the burden on the speaker can be greatly reduced.

In the above configuration, when there is an unread portion before the portion specified as the read-out portion in the text data of the document being displayed on the display panel 42 in the above configuration, the control portion 10 Since the display state is changed to a display state that is different from the unread part and the read part, i.e., highlight display, if the speaker skips a part of the manuscript, it skips reading, and The skipped portion can be quickly notified to the speaker, and the speaker can take a countermeasure such as rereading.
In addition, when the highlighted portion is read out, the control unit 10 changes the display state of the portion from the highlighted display to the display state of the already read portion, so that the speaker skips reading. When the part is read again, the speaker can quickly know that skipping has been eliminated.

Furthermore, when the control unit 10 detects the change of the slide projected as the image 54 based on the change in the captured image data obtained by capturing the image 54 by the photographing unit 25, the control unit 10 based on the slide correspondence information 11 a stored in the storage unit 11. Thus, the text data of the portion after the index position corresponding to the slide after switching is displayed on the display panel 42. This
Since the original can be displayed in synchronization with the slide, it becomes easier for the speaker to read the original and the burden on the speaker can be reduced.
Further, when the control unit 10 detects the change of the slide, and there is an unread portion in the text data corresponding to the slide before the change, the display state of the unread portion is displayed differently from the unread portion. Since the state is changed to, for example, highlighting, it is possible to promptly notify the speaker that there is an unread portion corresponding to the previous slide. As a result, the speaker can know that there has been a difference between the switching of the projected or displayed image and the reading of the document, and can also correct the reading speed of the document and the switching timing of the image.
Here, since the control unit 10 detects the switching of the slide based on the change in the captured image data captured by the capturing unit 25, the control unit 10 transmits data and control signals between the projector 50 and the computer 55 and the mobile phone 1. It is possible to synchronize slide switching and document display without performing transmission and reception. For this reason, it is possible to exhibit the above functions regardless of the specifications of the projector 50 and the computer 55.
The same function can be exhibited when the image 54 is projected using (Over Head Projector).
Further, since the control unit 10 detects that the presentation is started based on the change in the captured image data of the imaging unit 25, an operation for instructing the start of the presentation is unnecessary. Thereby, there exists an advantage that a presentation can be started and advanced smoothly by using the mobile phone 1.

Since the mobile phone 1 is a mobile phone having a call function owned by the speaker, the speaker stores the text data of the manuscript in the storage unit 11 of his / her mobile phone 1 in advance, thereby giving a presentation. Can be ready. The text data can be displayed on the display panel 42 in advance, and the presentation manuscript can be checked and read out. In addition, the mobile phone 1 includes a laser light emitting unit 35, and can be used as a laser pointer by applying light emitted from the laser light emitting unit 35 to the screen 53. For this reason,
The cellular phone 1 has both a function of displaying a document and a function of pointing a desired portion of the image 54 as a laser pointer. As a result, the speaker can hold the mobile phone 1 in the middle of the presentation and can read and read the manuscript or point to a desired portion of the image 54, thereby reducing the burden on the speaker during the presentation. It is reduced more. And
In such a method of use, the speaker often looks away from the display panel 42 of the mobile phone 1, but as described above, the display panel 42 displays the unread portion and the read portion in different display states. So, you can quickly know how far you have read. Therefore, when a single apparatus is provided with a document display function and a laser pointer function, a very good feeling of use and convenience can be realized.

The above-described embodiments merely show one aspect of the present invention, and can be arbitrarily modified and applied within the scope of the present invention.
For example, in the above-described embodiment, text data of a manuscript that a speaker (presenter) reads during presentation is stored in the storage unit 11, and this text data is stored in the control unit 1.
Although 0 is read and displayed on the display panel 42, the present invention is not limited to this. For example, the document data is not limited to text data, and any file format can be used as long as the data can be displayed on the display panel 42 under the control of the control unit 10, thus saving the storage capacity in the storage unit 11. Therefore, the data may be compressed, or may be encrypted and stored in the storage unit 11 for security reasons. Further, with the document displayed on the display panel 42, the slide number corresponding to the displayed document portion and the reduced image of the slide may be displayed side by side. In addition, a device that transmits image data for projecting the image 54 to the projector 50 is not limited to the computer 55, and may be a PDA or another electronic device. Further, the control unit 10 is configured to start displaying the original as if the presentation started when the image 54 projected before the start of the presentation is switched to another image. The beginning of the text data of the document may be displayed on the display panel 42 before the start, and the start of the presentation may be instructed by an operation on the operation unit 20. Further, which state of the image 54 is counted as the first slide is arbitrary, and other specific details of the cellular phone 1 can be arbitrarily changed.

It is the schematic which shows the use condition of the mobile telephone which concerns on embodiment. It is a block diagram which shows the structure of a mobile telephone. It is a figure which shows the structural example of slide corresponding | compatible information. It is a flowchart which shows operation | movement of a mobile telephone. It is a figure which shows the example of a display of the text data of a manuscript.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 ... Mobile telephone (display apparatus), 10 ... Control part (display control means, reading-out determination means), 1
DESCRIPTION OF SYMBOLS 1 ... Memory | storage part (memory | storage means), 11a ... Slide correspondence information (image correspondence information), 12 ... External interface part, 20 ... Operation part, 25 ... Shooting part (imaging means), 26 ... Shooting control part (imaging means), 27 ... Communication unit, 28 ... Antenna, 30 ... Audio processing unit, 31 ... Microphone, 32 ... Speaker, 33 ... Voice recognition unit (voice recognition means), 35 ... Laser light emitting unit, 40 ... Display unit, 41 ... Display driver, 42 ... Display panel, 45 ... Text data for reading, 45a ... Read portion, 4
5b: Highlight display section, 45c: Unread part, 50 ... Projector, 53 ... Screen,
54 ... Image, 55 ... Computer.

Claims (6)

In a display device having a display screen for displaying a character string,
Display control means for displaying a document read out by a speaker on the display screen in a first display state;
Voice recognition means for recognizing words spoken by a speaker by acquiring and analyzing the voice of the speaker;
Read-out determination means for specifying a part read out of the document being displayed on the display means based on the words recognized by the voice recognition means,
The display control unit changes a display state of a part specified by the reading-out determination unit in a document being displayed by the display unit to a second display state different from the first display state;
A display device. The display control device reads a portion of the document being displayed on the display screen if there is a portion not specified by the reading determination unit before a portion specified by the reading determination unit. Identifying as a skipped portion and changing its display state to a third display state different from the first and second display states;
The display device according to claim 1. The display control device, when a portion displayed in the third display state of the document being displayed on the display screen is specified by the reading determination unit, the display state of the specified portion Changing to the second display state,
The display device according to claim 2. Photographing means for photographing an image projected or displayed while the speaker reads the document;
Storage means for storing image correspondence information that defines correspondence between the read-out location of the original and the image;
When the image photographed by the photographing means is switched, the display control means, based on the image correspondence information stored in the storage means, the original after the read-out location corresponding to the image after switching. On the display screen,
The display device according to claim 1, wherein: The display control means displays the original after the read-out location corresponding to the image after switching on the display screen in response to switching of the image taken by the photographing means. Continuously displaying the portion being displayed in the first display state before the corresponding reading position on the display screen in a display state different from the first display state;
The display device according to claim 4. By a display device with a display screen that displays character strings,
The original read out by the speaker is displayed on the display screen in the first display state,
Recognizing the words spoken by the speaker by acquiring and analyzing the speaker's voice,
Based on the recognized words and phrases, the portion of the original being displayed on the display means is identified,
Changing a display state of a portion specified as a read-out portion of a document being displayed by the display means to a second display state different from the first display state;
A display method in a display device characterized by the above.

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