WO2002039425A1 - Systeme et procede de conversation en mode vocal faisant appel a un telephone portable, et centre en mode vocal - Google Patents

Systeme et procede de conversation en mode vocal faisant appel a un telephone portable, et centre en mode vocal Download PDF

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Publication number
WO2002039425A1
WO2002039425A1 PCT/JP2000/007921 JP0007921W WO0239425A1 WO 2002039425 A1 WO2002039425 A1 WO 2002039425A1 JP 0007921 W JP0007921 W JP 0007921W WO 0239425 A1 WO0239425 A1 WO 0239425A1
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WO
WIPO (PCT)
Prior art keywords
mobile phone
mode
user
server
service type
Prior art date
Application number
PCT/JP2000/007921
Other languages
English (en)
Japanese (ja)
Inventor
Tadamitsu Ryu
Kyouhei Matsuyama
Kouzou Fukushi
Original Assignee
Cai Co., Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Cai Co., Ltd. filed Critical Cai Co., Ltd.
Priority to PCT/JP2000/007921 priority Critical patent/WO2002039425A1/fr
Publication of WO2002039425A1 publication Critical patent/WO2002039425A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/42—Systems providing special services or facilities to subscribers
    • H04M3/487—Arrangements for providing information services, e.g. recorded voice services or time announcements
    • H04M3/493—Interactive information services, e.g. directory enquiries ; Arrangements therefor, e.g. interactive voice response [IVR] systems or voice portals
    • H04M3/4938—Interactive information services, e.g. directory enquiries ; Arrangements therefor, e.g. interactive voice response [IVR] systems or voice portals comprising a voice browser which renders and interprets, e.g. VoiceXML
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L15/00—Speech recognition
    • G10L15/26—Speech to text systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2201/00—Electronic components, circuits, software, systems or apparatus used in telephone systems
    • H04M2201/40—Electronic components, circuits, software, systems or apparatus used in telephone systems using speech recognition
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2201/00—Electronic components, circuits, software, systems or apparatus used in telephone systems
    • H04M2201/60—Medium conversion

Definitions

  • the present invention relates to a voice-based dialogue with a mobile phone in an environment where a mobile phone can connect to a network and receive various services.
  • V-mode interaction methods systems and V-mode services using a mobile phone that can connect to an IP server or www server of the desired service type through i-mode (registered trademark) and WAP services
  • i-mode registered trademark
  • WAP services The use of mobile phones designed to perform desired input from various types of available services through natural and appropriate dialogue with mobile phones.
  • the V-mode interaction method, system and V-mode center The V-mode interaction method, system and V-mode center.
  • the i-mode (registered trademark) function provided by NTT DOCOMO provides a wide variety of functions for the Internet age, such as e-mail, information content provision, and homepage browsing on a single mobile phone. It is already establishing a firm position in the industry. NTT Docomo's i-mode (registered trademark) service, which started service in February 1999, has already exceeded 200,000 service subscribers as of the end of October 1999, and is still accelerating. It is a momentum to increase it.
  • i-mode registered trademark
  • the functions of i-mode can be broadly divided into three services.
  • the first is the e-mail function. It is possible to send and receive e-mail to the Internet even though it is as small as 250 characters per mail, and a dedicated mail address is also provided
  • the second is information content.
  • information content In addition to news, weather forecasts, economic information such as stock prices, travel information, town and gourmet information, entertainment and other information-based services, mobile banking, ticket reservations, online trading, etc. Interactive content is also available. And, type III, you can browse the Internet homepage while displaying text-based simple display (small images can also be displayed).
  • the DDI Cellular Group and ID0 Telecommunications Co., Ltd. launched a cdmaOne (registered trademark) service equipped with a browser that uses a new protocol called WAP (Wireless Communication Protocol). It was realized.
  • the content of the information service using WAP is the provision of various information contents such as news, information, amusement, ticket reservation, shopping, etc., plus e-mail (200 characters received).
  • the cdmaOne (registered trademark) service will perform packet communication at 64 kbps, which is significantly higher than the 96-kbps i-mode (registered trademark) data communication speed. As a result, the capacity of communication contents has begun to increase.
  • the work itself to specify the service desired by the mobile phone user is performed using a selection key having scrolling up and down (left and right) and a selection function and / or a standard numeric keypad. It was like. Therefore, when the menu of services becomes enormous, there are drawbacks that the user must scroll the screen endlessly to identify the service desired by the user, or cannot be overlooked. And even if they were found, the time it took to find the service they wanted, except for the ones they used frequently, was extremely long. Furthermore, with the miniaturization of mobile phones, the screen for displaying text information was only about 5 cm square, making it difficult or invisible for people with low vision.
  • the present invention meets the above-mentioned demand, and a V-mode interactive method using a mobile phone and a V-mode interactive system using a mobile phone that enable anyone to easily search for a desired service type in a short time.
  • the purpose is to provide.
  • the present invention further provides a V-mode interactive method using a mobile phone and a V-mode interactive system using a mobile phone that can reduce the number of accesses to the host computer overnight and reduce the billing fee.
  • the purpose is to do.
  • the present invention further provides a V-mode interactive method using a mobile phone and a V-mode interactive system using a mobile phone that can reliably search for a desired service type by asking the user. Aim.
  • the present invention further provides a V-mode interactive method using a mobile phone capable of searching for a desired service type by querying for synonyms, synonyms, and related words when a candidate service type is not found.
  • the purpose is to provide a V-mode conversation system using a telephone.
  • the present invention further aims to reduce the time by using a conventional screen display selection method when it is expected that a long time will be required for the voice reading method when there are a plurality of options.
  • the purpose of the present invention is to provide a V-mode interactive method using a mobile phone and a V-mode interactive system using a mobile phone.
  • a first aspect of the present invention to achieve the above object is to connect to an IP server or a www server of a desired service type via a network through a natural and appropriate conversation with a mobile phone.
  • a V-mode dialogue method using a mobile phone wherein a service type that can be provided to a mobile phone user, and a type identification word used to specify the service type are stored in a database.
  • the user's mobile phone Receiving V-mode intention indication from the user, and recognizing the voice input from the user of the mobile phone, and using the word for type identification obtained by word decomposition and word analysis to receive through the network V-mode using a mobile phone, comprising a step of specifying a service type of the service and a step of accessing an IP server or a www server of the specified service type via a network.
  • a mobile phone comprising a step of specifying a service type of the service and a step of accessing an IP server or a www server of the specified service type via a network.
  • the host computer obtains the content from the IP server or the www server and provides the content to the user, or causes the IP server or the www server to perform a predetermined operation for the user.
  • the V-mode interactive method using the mobile phone according to the first aspect wherein the mobile phone is provided with an external or built-in memory and / or CPU, and And a step of downloading a speech recognition software prepared on the host computer side, a service type, and a type specifying word used for specifying the service type from the host computer to the mobile phone via a wireless line. It is characterized by having.
  • the V-mode interactive method using the mobile phone according to the first or second aspect further comprising a service in which an utterance sent from a user is to be received via a network.
  • the method is characterized in that it includes a step of asking the user if the type cannot be specified.
  • the process of returning to the user when no candidate is found includes synonyms, synonyms, and synonyms. It is performed by a query sentence that inquires related words.
  • the step of returning to the user when there are a plurality of candidates is performed on a screen display unit of the mobile phone.
  • a feature is that a plurality of candidates are displayed, and a mobile phone user selects an optimum one from among the candidates and makes the selection by voice or key input. Thereby, additional information for specifying the service type is obtained.
  • a second aspect of the present invention is to provide a mobile phone using a mobile phone that can connect to an IP server www server of a desired service type through a network through a natural and appropriate dialogue with the mobile phone.
  • Means for indicating intention to use the V-mode conversion control means for converting voice from a user into voice signals, voice signal transmission / reception control means for transmitting / receiving voice signals to / from a host computer, and transmission from a host computer.
  • a mobile phone comprising voice synthesis control means for generating voice by synthesizing the voice signal sent thereto;
  • a host computer that can be connected to an IP server or www server, and a type identification word recording unit that records type identification words used to identify service types, voice recognition software, word decomposition software, word analysis
  • a memory having an application recording unit for recording application such as software and voice synthesis software, an audio signal transmission / reception control means for transmitting / receiving an audio signal to / from a mobile phone, and an audio signal transmitted from the mobile phone.
  • Voice data conversion control means for converting to voice data, and calling various software from memory, voice recognition of voice data from mobile phone users, word decomposition-word analysis to extract type identification words
  • the user of the mobile phone tries to receive through the network by means of the extraction control means of the type identification word and the extracted type identification word.
  • Using a mobile phone comprising service type specifying control means for specifying a service type to be used, and access control means for accessing an IP server or a www server of the specified service type via a network. Provides all V-mode interactive systems.
  • the host computer obtains the content from the IP server or the www server and provides the content to the user, or causes the IP server or the www server to perform a predetermined operation for the user.
  • a V-mode center of a V-mode interactive system using the above-mentioned mobile phone is provided.
  • FIG. 1 is a flowchart of one embodiment of a V-mode interactive method using a mobile phone according to the first aspect of the present invention.
  • FIG. 2 is a block diagram showing an embodiment of a system for implementing the V-mode dialog system shown in FIG.
  • FIGS. 3 (a) and 3 (b) are block diagrams for explaining the details of the mobile phone 10 and the host computer 20 of FIG. 2, respectively.
  • FIG. 1 is a flowchart of one embodiment of a V-mode conversation method using a mobile phone according to the first embodiment of the present invention
  • FIG. 2 is a flowchart of the V-mode shown in FIG.
  • FIG. 1 is a block diagram showing an embodiment of a system for implementing a virtual conversation system.
  • the topics dialogue method generally includes a database formation step (step 1), a V mode use intention display step (step 2), and a service type identification step (step 3). ), And an identified service execution process (step 4).
  • step 1 in the V-mode interactive method using a mobile phone according to the first aspect of the present invention, first, it is assumed that the host computer that manages a system for implementing the V-mode interactive method has an interactive mode. O Build a data pace for
  • the database stores at least service types that can be provided to mobile phone users and type identification words used to identify service types (see Fig. 4).
  • the service type includes, for example, news, weather forecast, stock price information, and town information in the life and information genre.
  • Entertainment genres include fortune-telling, games, karaoke information, character distribution, and FM song information.
  • the business genres include mobile banking, mobile pile trading, airline information, life insurance information, and ticket reservations.
  • transaction-based service types in general, rather than acquiring content from an IP server or WWW server and providing it to mobile phone users, transfer funds or purchase tickets at an IP server or www server For example, a service to perform predetermined work for the user will be provided.
  • this service type is more than 300000 just registered with NTT DoCoMo, and for each type, the individual service provided by the service institution is Services are provided at the level of several times to several thousands and tens of thousands of times.
  • a dialog is used with a mobile phone and, therefore, with a host computer connected to the mobile phone via a wireless line.
  • searching for individual and subdivided services within the service can also be performed by interaction with the mobile phone. It is possible.
  • the type identification word used to identify a service type refers to a keyword capable of distinguishing a service type from other service types as described above.
  • “news” means not only the keyword “news” but also the name of the newspaper, news agency, or television station that provided the news, or the content of news such as three-sided articles, incidents, economics, entertainment, science, sports Can also be selected.
  • “stock price information” not only the keyword “stock price information” but also key indicators such as the names of stock exchanges such as the First Section of the Tokyo Stock Exchange, Nasdaq, and Mothers “commonly known as“ JPY average stock price ”and“ TOPIX ”can be selected.
  • the key records and analyzes what words the user tried to express for a certain service type, and identified some of the most frequently used ones as “type specific "Word". For example, when a user thinks "I want to know the trend of the Nikkei Stock Average in a specific month.””EconomicIndices”,”EconomicNews”,”I want to know stock price information”, “Statistics of Nikkei Stock Average”, “Trend of Nikkei Stock Average in October”, etc. They ask various words.
  • a plurality of keywords are prepared so that a desired service type can be correctly specified. In the case of general terms such as "economy” and "news”, there are multiple candidates. In this case, as described later, it is possible to specify one service type by further performing an inquiry for narrowing down.
  • the user indicates the intention to use the V mode on the mobile phone.
  • Indication of intention can be made by voice or by using input means provided on the mobile phone.
  • a key for the V mode is installed on a mobile phone having an i-mode (registered trademark) function (reference numeral 13 in FIG. 2). And it can be constructed to change the mobile phone to V mode by pressing this. That is, select the V mode in which input is performed by voice dialogue with the input means for inputting mechanically while viewing the character information displayed on the image display unit 12 used in the i-mode (registered trademark) on the mobile phone. Install a switch. Then, when the user of the mobile phone selects the V mode, the mobile phone is set to the V mode. In addition, if the mobile phone is a V-mode dedicated machine, it will automatically display the intention to use V-mode when the power is turned on.
  • step 3 the host computer first recognizes the voice input from the user of the mobile phone and extracts words for type identification by word decomposition and word analysis. At this time, the type identification word used to identify the service type and the service type stored in the database of the host computer is used. The service type that is to be received via the network is specified by the extracted type specifying words.
  • these functions can be transferred from the host computer to mobile phones.
  • an external or internal memory and / or CPU for example, it is possible to download voice recognition software, service types and type identification words prepared by the host computer from the host computer to the mobile phone via a wireless line. Can be. Then, the mobile phone itself recognizes the voice input from the user by voice, Decompose words ⁇ Extract words for type identification by word analysis. Furthermore, after identifying the service type that is to be received via the network by using the extracted type identification word, the host computer is accessed and such a service type is identified.
  • It can be configured to connect to an IP server or a www server. This has the effect of reducing the number of accesses from the mobile phone to the host computer, thereby reducing billing charges.
  • a speech input from a user of a mobile phone is speech-recognized.
  • the desired service type can be specified quickly. If no candidate for the service type using such a keyword is found, candidates for synonyms, synonyms, related words, etc. are displayed on the screen display of the mobile phone, and the list of mobile phone users is displayed from the list. Can be selected by voice or key input. Alternatively, ask the user to replace it with an appropriate keyword using a query such as "The service type requested cannot be identified with XXX. Please re-express it with synonyms, synonyms, related words, etc.” It can also be used.
  • a plurality of service type candidates using such a keypad.
  • candidates can be displayed on the screen display of the mobile phone, and the mobile phone user can select the most suitable one from the list and perform it by voice or key input.
  • the target service type is specified on the host computer side by interacting with the mobile phone, so that the user is extremely easy to use.
  • the number of conversations until the target service type is specified may be one to several times, and the time required is one to several seconds.
  • the host computer connects the mobile phone to the IP server or WWW server of the service type via the network. Thereafter, the mobile phone acquires the content from the IP server or WWW server of the service type and provides it to the user, or if it is a transaction type, the desired work for the user is i-mode ( It is the same as a mobile phone with a registered trademark function.
  • FIG. 2 is a block diagram of one embodiment of a V-mode interactive system using a mobile phone according to the second aspect of the present invention.
  • the V-mode interactive system 1 generally includes a mobile phone 10 that can use the V-mode, and a host computer 20 that can be connected to the mobile phone 10 by wireless communication. It is comprised including.
  • the host computer 20 is connected to an IP server 40 or a WWW server 42 of a desired service type via a network 30. It is connected to an IP server for mobile banking, online trading, and other trading systems via a dedicated line 32 so that no third party can intervene.
  • Other networks can use the INN network 34 as it is.
  • the system is constructed so that it can be used in conjunction with the i-mode (registered trademark) system of NTT DoCoMo.
  • the wireless communication from the mobile phone 10 is received by the relay antenna 51 managed by NTT DOCOMO, and is connected to the i-mode sensor 55 via the NTT DOCOMO packet network 53. Then, when the user of the mobile phone 10 selects the V mode with the mobile phone 10, It is connected to the V-mode center 60 having the host computer 20 and the V-mode interactive method using the mobile phone according to the first aspect of the present invention described above can be performed.
  • the V-modem 60 has its own relay antenna or satellite, it will be able to receive the radio waves of the mobile phone 10 directly. In that case, the V-mode sensor 60 can connect the mobile phone 10 with the IP server 40 and / or the WWW server 42 without going through the i-mode sensor 55. Become. '
  • the mobile phone 10 is equipped with a standard equipment for a mobile phone that can use the i-mode (registered trademark) function, for example, a speaker / microphone (not shown).
  • a standard equipment for a mobile phone that can use the i-mode (registered trademark) function, for example, a speaker / microphone (not shown).
  • input keys 11 such as a numeric keypad, a liquid crystal monitor 12 and the like, a button switch 13 for indicating an intention to use the V mode, a memory 14, and a CPU 16 are provided.
  • the CPU 16 includes a conversion control unit 16a for converting a voice from a user into a voice signal, a voice signal transmission / reception control unit 16b for transmitting / receiving a voice signal to / from the host computer 20, and a host computer.
  • the voice synthesizing control means 16 c is provided which synthesizes a voice signal transmitted from the speaker 20 and sounds it from a speaker.
  • the host computer 20 can be connected to many mobile phones 10 by wireless communication. In addition, it can be connected to the IP server 40 and the WWW server 42 via the network 30.
  • the host computer 20 is generally provided with a memory 22 and a CPU 24.
  • the memory 22 includes a type identification word recording unit 22 a for recording a service type and a type identification word used to identify the service type, a speech recognition software and a word decomposition software-a word analysis software. It has an application recording unit 22b for recording applications such as voice synthesis software.
  • the CPU 24 includes an audio signal transmission / reception control means 24 a for transmitting and receiving an audio signal to and from the mobile phone 10, and an audio signal for converting an audio signal sent from the mobile phone 10 into an audio signal. Evening conversion control means 24 b and various software are called from memory 22 to recognize voice data from mobile phone users and perform word decomposition and word analysis to classify them. Service type identification that identifies the service type that the mobile phone user is trying to receive via the network, based on the type identification word extraction control means 24c that extracts the identification word, and the extracted type identification word. It is configured to include control means 24d and access control means 24e for accessing an IP server or a WWW server of the specified service type via a network.
  • the audio signal from the mobile phone 10 is output in the i-mode. It is sent to V-mode Send / Receiver 60 via Send / Receiver 55.
  • the user can input in either a keyed or text-based dialogue.
  • keywords it is preferable to speak a plurality of keywords. Thereby, a desired service type can be specified accurately and in a short time.
  • the voice signal from the mobile phone 10 is received by the voice signal transmission / reception control means 24a, and further converted into voice data readable by a computer by the voice data conversion control means 24.
  • the extraction control means 24 c calls the speech recognition software from the application recording unit 22 b of the memory 22 and the type identification word from the type identification word recording unit 22 a. Then, voice data from the mobile phone user converted by the voice data conversion control means 24b is recognized. Next, the words for type identification obtained by word decomposition and word analysis are extracted, and the type of service that the user of the mobile phone 10 is going to receive via the network is identified. Subsequently, the host computer 20 of the V-mode server 60 accesses the IP server 40 or the WWW server 42 of the specified service type via the network 30.

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  • Engineering & Computer Science (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Telephonic Communication Services (AREA)

Abstract

L'invention concerne un procédé de conversation en mode vocal servant à connecter un téléphone portable à un serveur IP ou à un serveur WWW d'un type de service souhaité par l'intermédiaire d'un réseau au moyen d'une conversation naturelle appropriée. Ce procédé comprend les étapes suivantes : mémorisation des types de services et de mots spécifiques triés par type dans une base de données (étape 1) ; réception d'une déclaration d'intention d'utilisation du mode vocal à partir d'un téléphone portable de l'utilisateur (étape 2) ; reconnaissance de la parole entrée de l'utilisateur et spécification du type de service sur la base de mots spécifiques triés par type déterminé par analyse/décomposition de mots (étape 3) ; accès à un serveur IP ou à un serveur WWW du type spécifié, par l'intermédiaire d'un réseau (étape 4).
PCT/JP2000/007921 2000-11-10 2000-11-10 Systeme et procede de conversation en mode vocal faisant appel a un telephone portable, et centre en mode vocal WO2002039425A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/JP2000/007921 WO2002039425A1 (fr) 2000-11-10 2000-11-10 Systeme et procede de conversation en mode vocal faisant appel a un telephone portable, et centre en mode vocal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2000/007921 WO2002039425A1 (fr) 2000-11-10 2000-11-10 Systeme et procede de conversation en mode vocal faisant appel a un telephone portable, et centre en mode vocal

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WO2002039425A1 true WO2002039425A1 (fr) 2002-05-16

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JP2000137617A (ja) * 1998-10-30 2000-05-16 Kyocera Corp 携帯型ソフトウエア制御装置、およびこの装置の製造方法
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