JP4402162B2 - Voice recognition control method for mobile terminal and wireless communication system - Google Patents

Voice recognition control method for mobile terminal and wireless communication system Download PDF

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JP4402162B2
JP4402162B2 JP2009106143A JP2009106143A JP4402162B2 JP 4402162 B2 JP4402162 B2 JP 4402162B2 JP 2009106143 A JP2009106143 A JP 2009106143A JP 2009106143 A JP2009106143 A JP 2009106143A JP 4402162 B2 JP4402162 B2 JP 4402162B2
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voice
external
voice recognition
wireless communication
open
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JP2009165192A (en
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晋一 植田
瑞穂 高橋
正大 高畠
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パナソニック株式会社
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The present invention relates to a radio communication system comprising a mobile terminal having a voice certification 識制 control method and a voice recognition function of the portable terminal for controlling the portable terminal voice recognition.

  Conventionally, a portable terminal having a voice recognition function has been proposed. In Patent Document 1, in a folding type or flip type (a type provided with an opening / closing cover that covers a key operation unit), a folded state or a state in which the opening / closing cover is closed (hereinafter referred to as “case closed”). ) To automatically activate the voice recognition function when it is opened at the time of outgoing (hereinafter referred to as “open the casing”), and the voice data related to outgoing is recognized and the voice recognition is normally performed. A technique is disclosed that cancels the prohibition of dialing when it can be performed and automatically calls a specific telephone number.

  In addition, in a mobile terminal that enables hands-free calling with a headset, after setting “Voice dial automatic transmission = ON” and “Headset transmission = ON”, the headset is connected to the mobile terminal by wire connection. A portable terminal that recognizes voice data from a set and automatically transmits the voice data has also been proposed.

JP 2000-244625 A

  However, the above-described portable terminal having the conventional voice recognition function has the following problems.

(1) Since the voice recognition function will not be activated unless the housing is opened, whether it is a foldable type or a flip type, when using a headset, use the mobile device while it is housed in a bag or pocket of clothes. I can't.

(2) Since the headset and the portable terminal are connected by wire, if the portable terminal is accommodated in a pocket of clothes, it can be tolerated. However, if the portable terminal is accommodated in something away from the human body, such as a bag, the cable is obstructive. It is difficult to use.

(3) When voice is misrecognized, an auxiliary operation using the keypad (that is, manual keypad operation) is required on the mobile terminal side. For example, when “voice search” or “voice setting” is extracted after speaking “voice dial” to the microphone, an auxiliary operation with the keypad is required. In addition, when a person who is not desired by the user is searched, an auxiliary operation using the keypad is required to cancel the search. Also, when recognition fails, such as when there is no corresponding item, an auxiliary operation with the keypad is required. If recognition fails, a POPUP (pop-up) screen may be displayed, and an auxiliary operation using the keypad is performed according to a message on the screen.

The present invention has been made in view of such circumstances, and can be used even when the casing of the mobile terminal is closed, and is comfortable even if the mobile terminal is housed in an object separated from a human body such as a bag. intended to be used, further provides a voice certification 識制 control method and a radio communication system of a mobile terminal can reduce wrong recognition of voice when used in a closed state of the housing of the mobile terminal And

The above object is achieved by the following method and configuration.
Voice sure 識制 control method for a mobile terminal of the present invention includes an external device having at least a microphone, the performing wireless communications including voice recognition start request with the external device, at least two reclosable housings in speech certified 識制 control method for a portable terminal in a wireless communication system including a mobile terminal, a speech recognition step of performing speech recognition of the speech signal from the external device by using a dictionary, the voice recognition from the external device depending on the start request, the speech recognition process starts step of activating the voice recognition process by the portable terminal, an opening and closing state detecting step of detecting the open or closed state of the two housings in the portable terminal, the on-off state using the dictionary corresponding to the detection result in the detection step, the audio signal from the external device by using said activated in the speech recognition process starts process the speech recognition step, to the mobile terminal When a function selection step of selecting at least one function from a plurality of predetermined functions, the detection result of the open-close state detection step is open, display step of displaying a guide message corresponding to the speech recognition of the speech recognition process And comprising.

  According to the above method, communication between the external device and the mobile terminal is performed wirelessly, the voice recognition function of the mobile terminal is activated in response to a voice recognition start request from the external device, and the open / close state of the housing is determined. Since at least one function is selected from among a plurality of functions of the portable terminal, the portable terminal can be used even when the casing of the portable terminal is closed. In addition, the wireless connection eliminates the need for wiring between the headset and the mobile phone, and even if the mobile terminal is housed in an object away from the human body such as a bag, the cable does not interfere with the use. be able to.

Voice sure 識制 control method for a mobile terminal of the present invention, the function selection step, when said closed state of the two housings in a closed state detection step is detected, the two open state of the housing The number of functions to be selected by the mobile terminal is reduced as compared with the case where is detected.

  According to the above method, since the number of functions that can be selected when the housing is closed is smaller than the number of functions that can be selected when the housing is opened, erroneous recognition of voice is reduced. That is, by reducing the number of functions that can be selected when the housing is in the closed state, the probability of erroneously recognizing voice can be reduced. For example, among the functions such as “voice dial”, “voice search”, “voice setting”, and “camera operation”, only “voice dial” can be used when the casing is in the closed state.

Voice sure 識制 control method for a mobile terminal of the present invention, in the function selection step, said predetermined plurality of functions includes a "Voice Dialing,""VoiceSearch," and "Voice Setting".

  According to the above method, at least one function can be selected from functions such as “voice dial”, “voice search”, and “voice setting” by inputting voice on the external device side.

Voice sure 識制 control method for a mobile terminal of the present invention, a radio communication performed between the external device and the portable terminal is a wireless communication by Bluetooth or WLAN (Wireless LAN).

  According to the above method, since wireless communication using Bluetooth or WLAN is used, communication between the external device and the portable terminal can be easily performed without connecting the external device and the portable terminal with a wire.

Voice sure 識制 control method for a mobile terminal of the present invention, the external device is a headset having a speaker in addition to the microphone.

  According to the above method, since the headset, which is a voice input / output device in which a microphone and a speaker are integrated, is used as an external device, it is possible to make a call without using both hands. That is, a hands-free call is possible.

A wireless communication system of the present invention includes an external device having at least a microphone and a portable terminal having at least two openable / closable casings for performing wireless communication including a voice recognition start request with the external device. in a wireless communication system, a voice recognition unit for performing voice recognition of the audio signal from the external device by using a dictionary, according to the voice recognition start request from the external device, the voice recognition unit in the portable terminal The voice recognition unit activation means to be activated, the open / closed state detection means for detecting the open / closed state of the two casings in the portable terminal, and a dictionary corresponding to the detection result of the open / closed state detection means, the audio signal from the external device by using the voice recognition unit is activated by the recognition unit starting means, to select at least one function from a plurality of predetermined functions in the mobile terminal When the function selecting unit, the detection result of the open-close state detection means is open, and a display unit that displays a guidance message corresponding to the speech recognition of the speech recognition unit.

  According to the above configuration, communication between the external device and the mobile terminal is performed wirelessly, the voice recognition function of the mobile terminal is activated in response to a voice recognition start request from the external device, and the open / close state of the housing is determined. Since at least one function is selected from among a plurality of functions of the portable terminal, the portable terminal can be used even when the casing of the portable terminal is closed. In addition, the wireless connection eliminates the need for wiring between the headset and the mobile phone, and even if the mobile terminal is housed in an object away from the human body such as a bag, the cable does not interfere with the use. be able to.

  In the wireless communication system according to the present invention, when the function selection unit detects the closed state of the two cases by the open / close state detection unit, the function selection unit detects the open state of the two cases. The number of functions selected by the portable terminal is reduced.

  According to the above configuration, since the number of functions that can be selected when the casing of the portable terminal is closed is smaller than the number of functions that can be selected when the portable terminal is opened, erroneous recognition of voice is reduced. That is, by reducing the number of functions that can be selected when the housing is in the closed state, the probability of erroneously recognizing voice can be reduced. For example, among the functions such as “voice dial”, “voice search”, “voice setting”, and “camera operation”, only “voice dial” can be used when the casing is closed.

  In the wireless communication system of the present invention, in the function selection means, the predetermined functions include “voice dial”, “voice search”, and “voice setting”.

  According to the above configuration, at least one function can be selected from functions such as “voice dial”, “voice search”, and “voice setting” by inputting voice on the external device side.

  In the wireless communication system of the present invention, wireless communication performed between the external device and the portable terminal is wireless communication based on Bluetooth or WLAN.

  According to the above configuration, since wireless communication using Bluetooth or WLAN is used, communication between the external device and the mobile terminal can be easily performed without connecting the external device and the portable terminal by wire.

  In the wireless communication system of the present invention, the external device is a headset having a speaker in addition to the microphone.

  According to the above configuration, since the headset, which is an audio input / output device in which a microphone and a speaker are integrated, is used as an external device, it is possible to make a call without using both hands. That is, a hands-free call is possible.

Mobile terminal of the present invention performs wireless communication including voice recognition start request with the external device that having a least microphone, in the portable terminal having at least two reclosable housings, using said dictionary a voice recognition unit for performing voice recognition of the audio signal from the external device, in response to the voice recognition start request from the external device, a speech recognition unit activation means for activating the voice recognition unit, the two housings an opening and closing state detecting means for detecting the open or closed state, by using a dictionary in accordance with the detection result of the open-close state detector, from said external device by using the voice recognition unit is activated by the voice recognition unit activation means the audio signal, when a function selection means for selecting at least one function from a plurality of predetermined functions, the detection result of the open-close state detecting means is in the open state, to respond to the speech recognition of the speech recognition unit And a display unit for displaying the guidance message.

  According to the above configuration, the mobile terminal wirelessly communicates with the external device, and when there is a voice recognition start request from the external device, activates the voice recognition function in response to the request. And since the open / closed state of the housing is detected and at least one function is selected from among a plurality of functions of the device according to the detection result, it can be used even when the housing is closed It becomes. In addition, the wireless connection eliminates the need for wiring with the headset, and the cable can be used comfortably without being disturbed even if it is housed in an object such as a bag away from the human body.

  In the portable terminal according to the present invention, the function selection unit is selected when the closed state of the two cases is detected by the open / close state detection unit than when the open state of the two cases is detected. Reduce the number of functions to be performed.

  According to the above configuration, since the number of functions that can be selected when the casing is closed is smaller than the number of functions that can be selected when the casing is opened, erroneous voice recognition is reduced. That is, by reducing the number of functions that can be selected when the housing is in the closed state, the probability of erroneously recognizing voice can be reduced. For example, among the functions such as “voice dial”, “voice search”, “voice setting”, and “camera operation”, only “voice dial” can be used when the casing is in the closed state.

  In the mobile terminal according to the present invention, in the function selection means, the predetermined functions include “voice dial”, “voice search”, and “voice setting”.

  According to the above configuration, at least one function can be selected from functions such as “voice dial”, “voice search”, and “voice setting” by inputting voice on the external device side.

  In the mobile terminal according to the present invention, in the function selecting means, the predetermined functions include “voice dial”, “voice search”, “voice setting”, and “camera operation”.

  According to the above configuration, at least one function can be selected from the functions such as “voice dial”, “voice search”, “voice setting”, and “camera operation” by inputting voice on the external device side.

  In the portable terminal of the present invention, the wireless communication performed with the external device is wireless communication based on Bluetooth or WLAN.

  According to the above configuration, since wireless communication using Bluetooth or WLAN is used, communication between them can be easily performed without connecting to an external device by wire.

  In the portable terminal of the present invention, the external device is a headset having a speaker in addition to the microphone.

  According to the above configuration, since the headset, which is an audio input / output device in which a microphone and a speaker are integrated, is used as an external device, it is possible to make a call without using both hands. That is, a hands-free call is possible.

Voice sure 識制 control method and a radio communication system of the portable terminal of the present invention, can also be used with closed housing of the mobile terminal, also accommodated to those leaving the mobile terminal from the body of bag such as Can be used comfortably, and further, misrecognition of voice during use with the casing of the portable terminal closed can be reduced.

The block diagram which shows schematic structure of the radio | wireless communications system which concerns on one embodiment of this invention The figure which shows an example of the data preserve | saved in the dictionary (1) of the mobile telephone of FIG. The figure which shows an example of the data preserve | saved in the dictionary (2) of the mobile telephone of FIG. Flow chart for explaining the operation of the wireless communication system of FIG. The figure which shows the other example of the dictionary used for the mobile telephone of FIG.

  DESCRIPTION OF EXEMPLARY EMBODIMENTS Hereinafter, preferred embodiments for carrying out the invention will be described in detail with reference to the drawings.

  FIG. 1 is a block diagram showing a schematic configuration of a radio communication system according to an embodiment of the present invention. In FIG. 1, a wireless communication system 1 according to the present embodiment includes a mobile phone 10 and a headset 20 that is an external device that performs wireless communication with the mobile phone 10. The mobile phone 10 is a foldable mobile terminal having two openable / closable casings. In addition to mobile phones, mobile terminals include PHS (Personal Handy-Phone System), PDAs (Personal Digital Assistants) equipped with wireless communication functions, and mobile notebook computers. In this embodiment, mobile phones As an example.

  The cellular phone 10 includes a cellular radio communication transmitting / receiving unit 101 that performs radio communication with another cellular phone (not shown) via the base station 30 of the mobile communication network, and an antenna 102 connected to the cellular radio communication transmitting / receiving unit 101. Bluetooth wireless transmission / reception unit 103 that performs wireless communication with Bluetooth with headset 20, antenna 104 connected to Bluetooth wireless transmission / reception unit 103, and case opening / closing detection unit that detects opening / closing of the case of mobile phone 10 105, a voice recognition unit 106 that recognizes a voice signal from the headset 20 received by the Bluetooth wireless transmission / reception unit 103, a dictionary (1) 107 in which data used by the voice recognition unit 106 is stored, and a dictionary (2) 108 and another mobile phone (the other party of communication) at the time of wide area communication by the cellular radio communication transceiver 101 A speaker 109 for outputting sound from a display (not shown), a display unit 110 for performing various displays in the operation of the mobile phone 10, a dial button (keypad) 111 for performing dial input, and the like. A start button (off-hook key) 112 for starting, a microphone 113 for inputting the voice of the user of the mobile phone 10 during wide-area communication by the cellular radio communication transmitting / receiving unit 101, a camera 114 for imaging a subject, And a mobile phone control unit 115 that controls each unit of the telephone 10.

  The mobile phone 10 of the present embodiment has a voice dial registration name (registered in the phone book) in “voice dial setting” of the phone book setting function, in addition to manual dial input similar to a general mobile phone. Among the data, a function (voice dial) for reading data set to a voice dialing target and a function for searching for a desired function among a plurality of functions of the mobile phone 10 (voice And a function for performing settings related to voice dialing (voice setting), and a function for enabling camera operation (camera operation).

  The “voice dial” function is equivalent to a function manually called by the user by “voice dial registration → voice dial”. After activation of the voice recognition unit 106 of the mobile phone 10 described in detail later, the mobile phone 10 transitions to the “voice dial” function when the user utters “voice dial” toward the microphone 205 of the headset 20. The “voice search” function is equivalent to a function manually called by the user by “menu → stationary → how to use → voice search”. Note that there are “camera function”, “clock function” and the like as functions to be searched. As described above, after the voice recognition unit 106 is activated, when the user utters “voice search” toward the microphone 205 of the headset 20, the mobile phone 10 transitions to the “voice search” function.

  The “voice setting” function is equivalent to the function manually called by the user by “menu → setting → other → voice setting”. The functions to be set include “voice dial automatic transmission”, “voice automatic transmission”, and the like. As described above, after the voice recognition unit 106 is activated, when the user utters “voice setting” toward the microphone 205 of the headset 20, the mobile phone 10 transitions to the “voice setting” function. The “camera operation” function is equivalent to the function manually called by the user through “menu → stationary → camera operation”. As described above, after the voice recognition unit 106 is activated, when the user utters “camera operation” toward the microphone 205 of the headset 20, the mobile phone 10 transitions to the “camera operation” function.

  The dictionary (1) 107 and the dictionary (2) 108 are each composed of a nonvolatile memory such as a flash memory. FIG. 2 is a diagram showing an example of data stored in the dictionary (1) 107, and is composed of data of “name” and “phone number” of a person who has registered voice dialing from the telephone directory of the mobile phone 10. The name data includes both “reading” (for example, “Matsushita Taro”, “John Wayne”, etc.) and “display characters” (for example, “Taro Matsushita”, “John Wayne”, etc.). FIG. 3 is a diagram showing an example of data stored in the dictionary (2) 108. In addition to data similar to the dictionary (1) 107, each of “voice search”, “voice setting”, and “camera operation” is shown. It is composed of data and data corresponding to “how to use”, “speech recognition setting”, and “camera operation”. “Voice Search”, “Voice Setting”, and “Camera Operation” each include both “reading” and “displayed characters”.

  Dictionary (1) 107 is selected when the case of mobile phone 10 is closed, and dictionary (2) 108 is selected when the case of mobile phone 10 is open. That is, when the casing of the mobile phone 10 is in the open state, all the functions of “voice dial”, “voice search”, “voice setting”, and “camera operation” are enabled, but the casing of the mobile phone 10 is closed. When in the state, only the “voice dial” function is enabled.

  The case open / close detection unit 105 detects the open / close state of the case of the mobile phone 10, but the detection may be performed mechanically or electrically. As a mechanical detection, for example, there is a method using a push button switch. In this case, the push button switch main body is fixed to one of the two casings, and the movable part of the push button switch hits the other of the two casings. As a result, when the casing is closed, the movable part of the push button switch is pushed into the main body and turned on (or off), and when the casing is opened, the movable part of the push button switch is opened and turned off (or on). It becomes. On the other hand, as an electrical detection, for example, there is a method using a photosensor including a light emitting element and a light receiving element. In this case, the light emitting element and the light receiving element are configured to be blocked according to the opening / closing of the housing. Thereby, when the casing is closed, the output of the light receiving element becomes H (or L), and when the casing is opened, the output of the light receiving element becomes L (or H).

  The portable terminal control unit 115 activates the voice recognition unit 106 by receiving a voice recognition start request from the headset 20 via the Bluetooth wireless transmission / reception unit 103. Here, in the present embodiment, HFP (Hands Free Profile) is used for communication between the mobile phone 10 and the headset 20. This HFP is a profile for realizing hands-free calling in a vehicle or in a headset. Both the mobile phone 10 and the headset 20 have this HFP. As is well known, Bluetooth uses a 2.4 GHz frequency band and performs wireless communication at a maximum of 3 Mbps between Bluetooth-equipped devices within a radius of about 10 to 100 m.

  From the headset 20, a command of HFP AT + BVRA = “1” is transmitted to the mobile phone 10 when a voice recognition start request is made. Here, the AT + BVRA command is a command meaning “Enables or Disables voice recognition in the AG (Audio Gateway)”. That is, this is a command for instructing whether or not voice recognition is permitted in AG. When voice recognition is turned off (cancelled), a command of AT + BVRA = “0” is transmitted from the headset 20 to the mobile phone 10.

  When the cellular phone control unit 115 receives the command of AT + BVRA = “1” transmitted from the headset 20 via the Bluetooth wireless transmission / reception unit 103, the cellular phone control unit 115 activates the voice recognition unit 106. After the voice recognition unit 106 is activated, the voice recognition function of the voice recognition unit 106 is used to detect the opening / closing state of the two cases. One function is selected from the four functions of “voice dial”, “voice search”, “voice setting”, and “camera operation” according to the audio signal. In this case, if the housing is in the open state, the mobile phone control unit 115 causes the headset 20 to make a sound out of the four functions of “voice dial”, “voice search”, “voice setting”, and “camera operation”. Select the entered function. That is, when a voice signal specifying the “voice dial” function is input, the “voice dial” function is selected. When a voice signal specifying the “voice search” function is input, the “voice search” function is selected. When the audio signal specifying the “Voice setting” function is input, the “Voice setting” function is selected. When the audio signal specifying the “Camera operation” function is input, the “Camera operation” function is selected. To do. On the other hand, if the housing is in the closed state, the cellular phone control unit 115 selects only the “voice dial” function, and therefore, “voice dial” only when an audio signal designating the “voice dial” function is input. Select a function.

  In addition, when the casing is in a closed state as a detection result of the casing opening / closing detection unit 105, the mobile phone control unit 115 instructs the voice recognition unit 106 to use the dictionary (1) 107, and the casing If is in the open state, the voice recognition unit 106 is instructed to use the dictionary (2) 108. The cellular phone control unit 115 controls the voice recognition unit 106 using the dictionary (1) 107 or the dictionary (2) 108. That is, if the case is opened as a result of detection by the case opening / closing detection unit 105, the “voice dial”, “voice search”, “voice setting”, and “camera operation” functions of the own device are included. The function called by the headset 20 is selected, and the voice recognition unit 106 is controlled using the dictionary (2) 108 in which data for achieving the selected function is stored, while the casing is closed. If so, the “voice dial” function of the device itself is selected, and the voice recognition unit 106 is controlled using the dictionary (1) 107 in which data for achieving the “voice dial” function is stored. To do.

  The headset 20 is transmitted from the mobile phone 10 through Bluetooth communication with the mobile phone 10 via a Bluetooth wireless transmission / reception unit 201, an antenna 202 connected to the Bluetooth wireless transmission / reception unit 201, and wireless communication using Bluetooth. A speaker 203 for outputting a voice signal, an input button 204 for starting and canceling the voice recognition function of the mobile phone 10, a microphone 205 for inputting a user's voice, and each part of the headset 20. A headset control unit 206.

  When the headset control unit 206 detects that the input button 204 is pressed, the headset control unit 206 transmits a voice recognition start request to the mobile phone 10 via the Bluetooth wireless transmission / reception unit 201. In this case, as described above, the HFP AT + BVRA = “1” command is transmitted. Further, when the headset control unit 206 detects that the input button 204 is further pressed, the headset control unit 206 transmits a voice recognition end request to the mobile phone 10 via the Bluetooth wireless transmission / reception unit 201. In this case, as described above, the HFP AT + BVRA = “0” command is transmitted.

  Next, the operation of the wireless communication system 1 according to the present embodiment will be described with reference to the flowchart shown in FIG. In FIG. 4, in the headset 20, when the user presses the input button 204, the headset control unit 206 detects this and transmits a command of AT + BVRA = “1” from the Bluetooth wireless transmission / reception unit 201 to the mobile phone 10. (Step ST1). Next, when there is an audio input from the headset 20, the audio data is transmitted from the Bluetooth wireless transmission / reception unit 201 to the mobile phone 10 (step ST2).

  In the mobile phone 10, when the Bluetooth wireless transceiver 103 receives the AT + BVRA = “1” command transmitted from the headset 20, the mobile phone controller 115 establishes an HFP wireless link with the headset 20. Perform the process. After the wireless link by HFP is established with the headset 20, the mobile phone control unit 115 detects the open / close state of the case of the mobile phone 10 as a detection result of the case open / close detection unit 105 (step ST3). It is determined whether the casing state of the mobile phone 10 is open or closed (step ST4). If it is open, using the dictionary (2) 108, "voice dial", "voice search", "voice setting", and "camera" Of the four functions “operation”, the one designated by voice input from the headset 20 is selected, and voice recognition is performed for the selected function (step ST5). And the guide (guidance) message corresponding to voice recognition is displayed on the display part 110 (step ST6). On the other hand, if the housing state of the mobile phone 10 is closed, the dictionary (1) 107 is used to select the “voice dial” function by voice input from the headset 20, and the selected “voice dial” function is voiced. Recognition is performed (step ST7). At this time, the voice guidance data is transmitted from the cellular phone 10 to the headset 20 and output from the speaker 203 of the headset 20 regardless of whether the casing of the cellular phone 10 is open or closed. (Step ST8).

  For example, when the “voice dial” function is selected, when the user utters “Matsushita Taro” toward the microphone 205 of the headset 20, the voice recognition unit 106 of the mobile phone 10 recognizes the voice and enters the housing state. Accordingly, if the data of the display character “Taro Matsushita” corresponding to the reading “Matsushita Taro” stored in the dictionary (2) 108 or the dictionary (1) 107 is read and the housing state is open, Is displayed on the display unit 110. Then, automatic transmission to the telephone number (090-xxxxxxxx) of “Taro Matsushita” is performed by the “voice dial” function. The “telephone number” at this time is transmitted to the headset 20 as voice guidance, and is output from the speaker 203 of the headset 20 as voice.

  In addition, when the housing state is open and the user utters “voice voice” toward the microphone 205 of the headset 20, the voice is recognized by the voice recognition unit 106 of the mobile phone 10 and stored in the dictionary (2) 108. The data of the display character “How to use” corresponding to the reading “Voice Kensaku” is read and displayed on the display unit 110. Then, a process of searching for a function that the user wants to search is performed by the “voice search” function. As described above, there are a camera, a clock and the like as a function to be searched for. The “how-to-use guidance” at this time is transmitted to the headset 20 as voice guidance and is output as voice from the speaker 203 of the headset 20.

  Further, when the housing state is open and the user utters “voice setting” toward the microphone 205 of the headset 20, the voice recognition unit 106 of the mobile phone 10 recognizes the voice and saves it in the dictionary (2) 108. The data of the display character “speech recognition setting” corresponding to the reading “voice setting” is read and displayed on the display unit 110. Then, settings related to voice dialing are performed by the “voice setting” function. As described above, the voice dial related settings include automatic voice dial transmission and automatic voice transmission. The “voice recognition setting” at this time is transmitted to the headset 20 as voice guidance and is output from the speaker 203 of the headset 20 as voice.

  Further, when the housing state is open and the user utters “camera sous” toward the microphone 205 of the headset 20, the voice recognition unit 106 of the mobile phone 10 recognizes the voice and saves it in the dictionary (2) 108. The data of the display character “camera operation” corresponding to the reading “camera sousa” is read and displayed on the display unit 110. Then, the camera operation is performed by the “camera operation” function. The “camera operation” at this time is transmitted to the headset 20 as voice guidance and is output from the speaker 203 of the headset 20 as voice.

  Thereafter, when the casing state of the mobile phone 10 is closed, only the voice call by HFP is performed between the mobile phone 10 and the headset 20. That is, when the housing state is closed, since only the “voice dial” function is used, the voice from the mobile phone (including the fixed phone) of the communication partner connected by automatic transmission is transmitted from the mobile phone 10 to the headset. The voice that the user of the mobile phone 10 talks to the microphone 205 of the headset 20 is transmitted from the headset 20 to the mobile phone 10. On the other hand, when the housing state of the mobile phone 10 is open, other communication is performed between the mobile phone 10 and the headset 20 in addition to the voice call by HFP.

  As described above, according to the wireless communication system 1 of the present embodiment, when the mobile phone 10 communicates with the headset 20 wirelessly, and there is a voice recognition start request from the headset 20, the request is accepted. The voice recognition unit 106 is activated. If the case is opened when the open / closed state of the case is detected, the head of the “voice dial”, “voice search”, “voice setting”, and “camera operation” functions of the device itself The function designated on the set 20 side is selected, and the voice recognition unit 106 is controlled using the dictionary (2) 108 in which data for achieving the selected function is stored, while the case is closed. If so, the “voice dial” function of the device itself is selected, and the voice recognition unit 106 is controlled using the dictionary (1) 107 in which data for achieving the “voice dial” function is stored. Thereby, even if the housing of the mobile phone 10 is in a closed state, it can be used. Further, by using wireless communication by Bluetooth for connection between the mobile phone 10 and the headset 20, no wiring is required between the mobile phone 10 and the headset 20, and the mobile phone 10 is separated from a human body such as a bag. The cable can be used comfortably without being obstructed even if it is housed in a stand.

  Further, functions that can be selected when the casing of the mobile phone 10 is closed are, for example, “voice dial” only, and functions that can be selected when the casing is open (for example, “voice dial”, “voice search”, "Voice setting", "Camera operation"), so there will be less misrecognition of voice when closed. That is, by reducing the number of functions that can be selected when the housing is in the closed state, the probability of erroneously recognizing voice can be reduced.

  In addition, since the headset 20 in which the speaker 203 and the microphone 205 are integrated is used, a call can be performed without using both hands. That is, a hands-free call is possible.

  In this embodiment, two dictionaries (1) 107 and dictionaries (2) 108 are used, but they can be combined into one. FIG. 5 is a diagram showing an example of data stored in the dictionary 120 in which the contents of the dictionary (1) 107 and the contents of the dictionary (2) 108 are combined. In the dictionary 120, the contents of the dictionary (1) 107 and the contents of the dictionary (2) 108 can be identified by flag bits FLAG. That is, when the casing of the mobile phone 10 is in the closed state, only data specified by the flag bit “11” is handled, and when the casing of the mobile phone 10 is in the open state, the flag bits “11” and “10” are handled. ”Is specified. By combining the two dictionaries (1) 107 and the dictionary (2) 108 into one, the cost can be reduced and the mobile phone 10 can be downsized.

  In this embodiment, the input button 204 of the headset 20 is used to make a voice recognition start request and a voice recognition end request. However, the input button 204 can also be used to cancel a voice recognition error. It is. For example, a cancel request is output by pressing the input button 204 for 1 second or longer. In this way, when the user of the mobile phone 10 searches for an undesired person, for example, the user can cancel by simply pressing the input button 204 of the headset 20 without performing a keypad operation. .

  In this embodiment, the pop-up (POPUP) screen when the casing of the mobile phone 10 is closed has not been described. However, the pop-up screen is not displayed when the casing of the mobile phone 10 is closed. The pop-up content may be listened to by the headset 20 as voice guidance.

  In this embodiment, if the housing is in an open state, one function is selected from the four functions of “voice dial”, “voice search”, “voice setting”, and “camera operation”. However, it is also possible to select one function from the three functions of “voice dial”, “voice search”, and “voice setting”.

  In the present embodiment, Bluetooth has been described as wireless communication performed between an external device and a mobile terminal. However, other wireless communication such as WLAN is possible.

  In the present embodiment, the mobile phone 10 is a foldable mobile terminal having two openable / closable casings. However, the mobile phone 10 can be opened and closed by sliding the two casings relative to each other. A slide-type portable terminal may be used. Furthermore, other types of portable terminals may be used as long as they can be opened and closed with two housings.

  Although the present invention has been described in detail and with reference to specific embodiments, it will be apparent to those skilled in the art that various changes and modifications can be made without departing from the spirit and scope of the invention.

  The present invention can be used even when the casing of the mobile terminal is closed, and can be used comfortably even if the mobile terminal is housed in an object separated from a human body such as a bag. Has the effect of reducing misrecognition when used with the body closed, has a voice recognition function, and can be applied to mobile devices that are wirelessly connected to external devices such as headsets. It is.

DESCRIPTION OF SYMBOLS 1 Wireless communication system 10 Mobile phone 20 Headset 30 Base station 101 Cellular wireless communication transmission / reception part 102 Antenna 103 Bluetooth wireless transmission / reception part 104 Antenna 105 Case opening / closing detection part 106 Voice recognition part 107 Dictionary (1)
108 Dictionary (2)
109 Speaker 110 Display Unit 111 Dial Button 112 Start Button 113 Microphone 114 Camera 115 Mobile Phone Control Unit 120 Dictionary 201 Bluetooth Wireless Transceiver 202 Antenna 203 Speaker 204 Input Button 205 Microphone 206 Headset Controller

Claims (16)

  1. Voice of a portable terminal in a wireless communication system comprising at least an external device having a microphone and a portable terminal having at least two openable / closable casings for performing wireless communication including a voice recognition start request with the external device in sure 識制 your way,
    A voice recognition step of performing voice recognition of a voice signal from the external device using a dictionary;
    Depending on the voice recognition start request from the external device, a speech recognition process starts step of activating the voice recognition process by the portable terminal,
    An open / closed state detecting step of detecting an open / closed state of the two housings in the portable terminal;
    Using the dictionary corresponding to the detection result in the opening and closing state detecting step, the audio signal from the external device by using said activated in the speech recognition process starts process the voice recognition process, a predetermined in the mobile terminal A function selection step of selecting at least one function from a plurality of functions;
    A display step of displaying a guidance message corresponding to the voice recognition of the voice recognition step when the detection result of the open / close state detection step is an open state;
    Voice sure 識制 control method for a mobile terminal equipped with.
  2. In the function selection step, when the open / closed state detection step detects the closed state of the two cases, the function is selected by the portable terminal more than when the open state of the two cases is detected. voice sure 識制 control method for a mobile terminal according to claim 1 to reduce the number of.
  3. In the function selection process, wherein the plurality of predetermined functions, "Voice Dialing,""VoiceSearch," and voice certification 識制 your mobile terminal according to claim 1 or claim 2 includes "Voice Setting" Method.
  4. The wireless communication between the external device and the portable terminal, the voice certification 識制 control method for a mobile terminal according to any one of claims 1 to 3 is a wireless communication by Bluetooth or WLAN.
  5. The external device, the voice certification 識制 control method for a mobile terminal according to any one of claims 1 to 4 is a headset having a speaker in addition to the microphone.
  6. In a wireless communication system comprising an external device having at least a microphone and a portable terminal having at least two openable / closable casings for performing wireless communication including a voice recognition start request between the external device,
    A voice recognition unit that performs voice recognition of a voice signal from the external device using a dictionary;
    Depending on the voice recognition start request from the external device, a speech recognition unit activation means for activating the speech recognition unit in the portable terminal,
    An open / closed state detecting means for detecting an open / closed state of the two housings in the portable terminal;
    Using the dictionary corresponding to the detection result in the opening and closing state detecting means, the audio signal from the external device by using the voice recognition unit is activated by the voice recognition unit activation means, of predetermined at the mobile terminal Function selecting means for selecting at least one function from a plurality of functions;
    A display unit that displays a guidance message corresponding to voice recognition of the voice recognition unit when the detection result of the open / closed state detection means is in an open state;
    A wireless communication system.
  7.   The function selection means is a function that, when the open / closed state detection means detects the closed state of the two casings, the mobile terminal selects from the case where the open state of the two casings is detected The wireless communication system according to claim 6, wherein the number is reduced.
  8.   The wireless communication system according to claim 6 or 7, wherein in the function selecting means, the plurality of predetermined functions include "voice dial", "voice search", and "voice setting".
  9.   The wireless communication system according to any one of claims 6 to 8, wherein the wireless communication performed between the external device and the mobile terminal is wireless communication based on Bluetooth or WLAN.
  10.   The wireless communication system according to claim 6, wherein the external device is a headset having a speaker in addition to the microphone.
  11. Performs wireless communication including voice recognition start request with the external device that having a least microphone, in the portable terminal having at least two reclosable housings,
    A voice recognition unit that performs voice recognition of a voice signal from the external device using a dictionary;
    Depending on the voice recognition start request from the external device, a speech recognition unit activation means for activating the speech recognition unit,
    Open / closed state detecting means for detecting open / closed states of the two housings;
    Using the dictionary corresponding to the detection result in the opening and closing state detecting means, the audio signal from the external device using the speech recognition unit which is activated by pre-Symbol voice recognition unit activation means, from a plurality of predetermined functions Function selection means for selecting at least one function;
    A display unit that displays a guidance message corresponding to voice recognition of the voice recognition unit when the detection result of the open / closed state detection means is in an open state;
    Mobile terminal equipped with.
  12. The function selection means is a function that, when the open / closed state detection means detects the closed state of the two casings, the mobile terminal selects from the case where the open state of the two casings is detected The mobile terminal according to claim 11, wherein the number is reduced.
  13. The portable terminal according to claim 11 or 12, wherein in the function selection means, the predetermined plurality of functions include "voice dial", "voice search", or "voice setting".
  14. The portable terminal according to claim 11 or 12, wherein in the function selection means, the predetermined plurality of functions include "voice dial", "voice search", "voice setting", and "camera operation".
  15. The mobile terminal according to any one of claims 11 to 14, wherein the wireless communication performed with the external device is wireless communication using Bluetooth or WLAN.
  16. The portable terminal according to any one of claims 11 to 15, wherein the external device is a headset having a speaker in addition to the microphone.
JP2009106143A 2009-04-24 2009-04-24 Voice recognition control method for mobile terminal and wireless communication system Expired - Fee Related JP4402162B2 (en)

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