JP2000089779A - Apparatus angle control system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a highly reliable apparatus angle control system by detecting a speech input direction by comparing detected levels of plural sound pressure sensors with each other, comparing the speech input direction with a direction corresponding to a registered speech recognition result, and directing the apparatus to the defined speech input direction when they are matched with each other. SOLUTION: A speech input direction detecting means 7 detects a speech input direction by comparing sound pressures detected by plural sound pressure sensors 5 with each other, and outputs the signal to a CPU 8. A speech recognition part 12 speech-recognizes the speech signal inputted from an speech input part 13, and outputs the speech recognition result to a CPU 8. A registered speech recognition result storage part 11 pre-stores the registered speech recognition results together with their turning directions of the apparatus corresponding thereto. The CPU 8 compares this speech recognition result with all of the registered speech recognition results, and determines the defined turning direction and outputs it to a control part 9. The control part 9 controls a display turning part 2 to turn the apparatus to the direction based on the finalized turning direction.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to an apparatus angle control system.

[0002]

2. Description of the Related Art Although the display of a car navigator as an example of a device can change the angle, the angle cannot be changed unless a person presses a button or directly grasps and moves the display. .

[0003]

[Problems to be solved by the invention]
Due to the demand for real-time driving, there are an increasing number of cases in which a driver is distracted by a car navigator while driving and looks away and leads to a traffic accident. Therefore, it is required that the car navigator cannot be operated during traveling, or the display of the car navigator is made more easily viewable, or the display is directed to an easily viewable position. Therefore, there is a demand for a device angle control method in which the driver can change the direction of the display of the car navigator without using his or her hands.

[0004] In addition, in order to turn the display in a direction that is easy for a person with limbs to see, it is necessary to rely on a nearby person, and if there is no nearby person, it is difficult to see. Therefore, there is a demand for an apparatus angle control method that can change the direction of the display even for a person who has difficulty in limbs.

Further, if a cameraman monitors a moving object using a camera as an image pickup device while tracking the object for a long time, there is a problem that the cameraman becomes tired. Therefore, a camera provided with a device angle control method capable of automatically tracking a moving object is desired.

[0006] However, in the device angle control system in which the device is simply directed in the direction from which the sound arrives, a situation occurs in which the device is directed in an unintended direction. For example, if the display of the car navigator is provided with such a method, the display turns alternately in the directions of the driver and the passenger when the driver and the passenger are talking.

An object of the present invention is to provide a highly reliable apparatus angle control method.

[0008]

An apparatus angle control system according to the present invention is provided by comparing a plurality of sound pressure sensors provided in an apparatus and pointing in different directions with each other and detection levels of the plurality of sound pressure sensors. Voice input direction detecting means for detecting a voice input direction; voice input means for converting an input voice to a voice signal; input voice parameters for performing voice recognition based on the voice signal output from the voice input means; Voice recognition means for converting the registered voice signal, a storage memory means for storing a registered voice parameter which is a voice parameter of the registered voice signal, a rotation means for rotating the device to a predetermined angle, the input voice parameter and the registered voice Comparing the parameters, and setting the voice input direction when the two coincide with each other as a confirmed voice input direction; Characterized in that it comprises a control means for driving and.

Further, the apparatus angle control method according to the present invention comprises:
In the above-described device angle control method, the storage unit stores the input voice parameter output by the voice recognition unit as a registered voice parameter.

[0010] Further, the apparatus angle control method according to the present invention includes:
A plurality of sound pressure sensors disposed in the device and pointing in different directions; a sound input direction detecting means for detecting a sound input direction by comparing detection levels of the plurality of sound pressure sensors; Voice input means for converting the input voice signal into a voice signal, storage means for storing the registered voice signal as a registered voice signal, rotation means for rotating the device to a predetermined angle, the input voice signal parameter and the registered voice And a control unit for driving the rotating unit so that the device is oriented in the determined voice input direction, with the voice input direction when the two signals coincide with each other as the determined voice input direction. And

Further, the apparatus angle control method according to the present invention is as follows.
In the above-described device angle control method, the storage unit stores an audio signal output from the audio input unit as a registered audio signal.

Further, the apparatus angle control method according to the present invention is as follows.
In the above-described apparatus angle control method, the plurality of sound pressure sensors are provided on a surface of a spherical object.

Further, the apparatus angle control method according to the present invention is as follows.
In the above device angle control method, the device is a display device.

Further, the apparatus angle control method according to the present invention is as follows.
In the above-described device angle control method, the device is an imaging device.

[0015]

[First Embodiment] A first embodiment will be described with reference to FIGS.

The display 1 is a device that is used in, for example, a personal computer or a car navigator and displays an image.

The display 1 is mounted on a display rotating unit 2 that can freely change the orientation of the display, and has a microphone 3 on the front.

The surface of the spherical tip of the microphone 3 has a plurality of sound pressure sensors 5 facing different directions for detecting sound pressure from outside and a sound input unit for picking up sound. Is provided.

Referring to FIG. 3, the apparatus angle control method according to the present embodiment includes a plurality of sound pressure sensors 5 pointing in different directions as described above and a plurality of sound pressure sensors 5.
, A voice input direction detecting means 7 for detecting a voice input direction by comparing the sound pressures detected by each other, a voice input unit 13 for inputting voice and converting it into a voice signal, and a voice input unit 1
A voice recognition unit 12 for performing voice recognition based on the voice signal input from the input unit 3; a registered voice recognition result storage unit 11 for storing the voice recognition result registered in advance together with the rotation direction of the corresponding device; A CPU 8 for determining the rotation direction of the apparatus based on the input from the means 7, the voice recognition unit 12 and the registered voice recognition result storage unit, and a display for rotating the display 1 based on a signal indicating the rotation direction input from the CPU 8 A control unit 9 for controlling the rotating unit 2;

The voice input direction detecting means 7 detects a voice input direction by comparing sound pressures from each direction detected by the plurality of sound pressure sensors 5 and outputs a signal to the CPU 8. The voice recognition unit 12 performs voice recognition on the voice signal input from the voice input unit 13 and outputs a voice recognition result to the CPU 8. The speech recognition results are, for example, phonemes, syllables, and words. The registered voice recognition result storage unit 11 previously stores the registered voice recognition result together with the rotation direction of the corresponding device. For example, "U", "I did",
Registered speech recognition results such as "HIDARI" and "MIGI" are stored together with the rotation directions, up, down, left and right. CPU1
2 compares the voice recognition result currently input from the voice recognition unit 12 with all of the registered voice recognition results stored in the registered voice recognition result 11, and when any of them matches,
The corresponding rotation direction is compared with the voice input direction input from the voice input direction detection means 7, and when they match, the voice input direction is output to the control unit 9 as the final rotation direction. The control unit 9 controls the display rotation unit 2 based on the final rotation direction input from the CPU 8 so that the apparatus rotates in that direction.

When the CPU 8 makes a determination as described above, for example, when the display of the car navigator is to be controlled, when the driver and the passenger share a conversation, the display becomes It is possible to avoid a situation in which the person turns alternately. That is,
If the driver on the right side of the display says "Migi", the display will rotate to the right, but if the passenger on the left side of the display says "Migi", or if the driver says "Hidden", The display does not rotate, and malfunction can be prevented.

[Embodiment 2] FIG.
This will be described with reference to FIG. FIG. 4 is a block diagram showing the configuration of the device angle control system according to the present embodiment. 4, the same components as those in the first embodiment shown in FIG. 3 are denoted by the same reference numerals, and duplicate description will be omitted.

Reference numeral 16 denotes a rotation direction input unit, and 17 denotes a writing unit.

In this embodiment, the registered voice recognition result stored in the registered voice recognition result storage unit 11 can be registered by the user. The rotation direction input means 16 includes, for example, a plurality of direction buttons. When the user presses any one of the plurality of direction buttons, the voice to be registered
When the user speaks in the direction, the direction corresponding to the pressed direction button and the speech recognition result of the spoken word by the speech recognition unit 12 are stored in the registered speech recognition result storage unit 11 by the writing unit 17 in a state of being corresponded. .

By using this embodiment to register words that are used less frequently in normal conversation, it is possible to reduce malfunctions of this method. Further, the rotation direction can be set finely.

[Embodiment 3] Embodiment 3 will be described with reference to FIG. FIG. 5 is a block diagram showing the configuration of the device angle control system according to the present embodiment. 5 that are the same as those of the first embodiment shown in FIG. 3 are denoted by the same reference numerals, and redundant description will be omitted.

In this embodiment, the voice recognition unit 12 of the first and second embodiments is not provided, and a registered voice signal storage unit 18 is provided instead of the registered voice recognition result storage unit 11.

The registered voice signal storage section 18 stores a registered voice signal in advance.

The CPU 8 compares the audio signal output from the audio input unit 13 with the registered audio signal stored in the registered audio signal storage unit 18, and when the two match, the input from the audio input direction detecting means 7 is performed. The input voice input direction is output to the control unit 9 as the determined voice input direction. The operations of the control unit 9 and the display rotation unit 2 are the same as those in the first embodiment, and thus the description is omitted.

In the present embodiment, for example, the sound of the jet is registered in the registered voice signal storage unit 18 and the apparatus is a video camera, so that the video camera can follow the jet and shoot. . In addition, if the ultrasonic wave stored in the registered voice signal storage unit 18 is stored, and the apparatus is a video camera, and the moving object is equipped with a sound source of the ultrasonic wave, the video camera can follow and shoot the object. Becomes possible.

[Embodiment 4] FIG.
This will be described with reference to FIG. FIG. 6 is a block diagram showing the configuration of the device angle control system according to the present embodiment. 6 that are the same as those of the third embodiment shown in FIG. 5 are denoted by the same reference numerals, and redundant description will be omitted.

Reference numeral 19 denotes a writing unit.

In this embodiment, the registered voice signal storage unit 18
The user can register the registered voice recognition result stored in the. The CPU 8 is operated by an instruction such as a button operation by an operator.
Causes the currently input audio signal to be stored in the registered audio signal storage unit 18 by the writing unit 19.

According to this embodiment, a special audio signal can be used for the determination by the CPU 8 described in the third embodiment, so that it is possible to cope with subjects and viewers who emit various audio signals. By registering a special audio signal, the possibility of malfunction can be reduced.

[0035]

As described above, according to the present invention, the following effects can be obtained.

For example, by setting a microphone with a built-in sound pressure sensor on the front of a device such as a display, it is possible to direct the display to a position that is easy to see on a car navigation screen without manual operation during traveling. At this time, malfunction can be suppressed.

Further, since the voice recognition function is used, control can be performed without being affected by conversation, noise, and the like.

Further, since the sensor is incorporated along the spherical microphone, it is possible to cope with a delicate rotation other than up, down, left and right.

Further, for example, when a person with a limb or disability watches a television, the screen can be moved to an easy-to-view position by sounding.

Further, for example, by applying this method to an image pickup apparatus, unmanned monitoring and the like can be performed.

[Brief description of the drawings]

FIG. 1 is an external appearance example showing a configuration of a display.

FIG. 2 is a front view and a side view of a microphone top provided with a sound pressure sensor and a voice input unit.

FIG. 3 is a block diagram showing a configuration of an apparatus angle control system according to Embodiment 1 of the present invention.

FIG. 4 is a block diagram showing a configuration of an apparatus angle control system according to a second embodiment of the present invention.

FIG. 5 is a block diagram showing a configuration of an apparatus angle control system according to a third embodiment of the present invention.

FIG. 6 is a block diagram showing a configuration of a device angle control system according to a fourth embodiment of the present invention.

[Explanation of symbols]

 Reference Signs List 1 display 2 display rotation unit 3 microphone 5 sound pressure sensor 7 voice input direction detection means 8 CPU 9 control unit 11 registered voice recognition result storage unit 12 voice recognition unit 13 voice input unit 14 voice recognition data storage unit 15 voice waveform conversion unit 16 Rotation direction input means 17, 19 Writing means 18 Registered voice signal storage unit

Claims (7)

[Claims] 1. A plurality of sound pressure sensors disposed in an apparatus and pointing in different directions, and a sound input direction detecting means for detecting a sound input direction by comparing detection levels of the plurality of sound pressure sensors; Voice input means for converting an input voice into a voice signal, voice recognition means for performing voice recognition based on the voice signal output from the voice input means and converting the input voice recognition result, and registered voice Storage means for storing a registered speech recognition result, which is a speech recognition result of a signal, in association with a rotation direction of the device; rotating means for rotating the device at a predetermined angle; the input speech recognition result and the registered speech recognition result When the two match, the direction corresponding to the registered voice recognition result is further compared with the voice input direction, and when both match, the device is oriented in the confirmed voice input direction. Control means for driving the rotating means as described above. 2. The apparatus angle control method according to claim 1, further comprising means for causing said storage means to associate an input speech recognition result output by said speech recognition means with a rotation direction as a registered speech recognition result. A device angle control method characterized by the following. 3. A plurality of sound pressure sensors disposed in the device and pointing in different directions, and a sound input direction detecting means for detecting a sound input direction by comparing detection levels of the plurality of sound pressure sensors; Voice input means for converting the input voice to an input voice signal, storage means for storing the registered voice signal as a registered voice signal, rotating means for rotating the device to a predetermined angle, and the input voice signal Control means for comparing the registered voice signal with the registered voice signal, and driving the rotating means so that the device is oriented in the determined voice input direction, with the voice input direction when the two match, as a confirmed voice input direction. A device angle control method characterized by the above-mentioned. 4. The apparatus angle control method according to claim 3, further comprising: means for storing in said storage means an audio signal output from said audio input means as a registered audio signal. . 5. The apparatus angle control method according to claim 1, wherein said plurality of sound pressure sensors are provided on a surface of a spherical object. 6. The apparatus angle control method according to claim 1, wherein said apparatus is a display device. 7. An apparatus angle control method according to claim 1, wherein said apparatus is an image pickup apparatus.