JP4793291B2 - Remote control device - Google Patents

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JP4793291B2
JP4793291B2 JP2007066113A JP2007066113A JP4793291B2 JP 4793291 B2 JP4793291 B2 JP 4793291B2 JP 2007066113 A JP2007066113 A JP 2007066113A JP 2007066113 A JP2007066113 A JP 2007066113A JP 4793291 B2 JP4793291 B2 JP 4793291B2
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wireless
speaker
voice
remote control
control device
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JP2008228129A (en
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友弘 藤井
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Panasonic Corp
Panasonic Holdings Corp
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Matsushita Electric Industrial Co Ltd
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本発明は、音声認識機能を有したリモコン装置が、機器および使用者の無線装置と無線通信をおこない距離を検出して、音声認識機能の制限ならびに利用者に対して最適な機器の制御をおこなうリモコン装置に関するものである。   According to the present invention, a remote control device having a voice recognition function performs a wireless communication with a device and a user's wireless device, detects a distance, limits the voice recognition function, and controls the device optimal for the user. The present invention relates to a remote control device.

従来のこの種のリモコン装置では、不特定多数の利用者毎の音声認識パラメータを記憶し、操作履歴から音声認識パラメータを最適化することで利用者を特定し、不特定多数の利用者に対して良好な音声コマンドによる操作性を提供する音声コマンド対応機器操作装置がある。   In this type of remote control device of the past, voice recognition parameters for each unspecified number of users are stored, and the user is identified by optimizing the voice recognition parameters from the operation history. There are voice command compatible device operating devices that provide good voice command operability.

例えば、音声区間抽出時のパラメータや音響モデルのパラメータなど、認識精度改善のためのパラメータ調整を、利用者毎に自動的に実行するようにすることによって、不特定多数の利用者に対して良好な音声コマンドによる操作性を提供することを目的としたものとして、図５で示すような音声コマンド対応機器操作装置がある（例えば特許文献１）。   For example, parameters for improving recognition accuracy, such as parameters for voice segment extraction and acoustic model parameters, are automatically executed for each user. As an object of providing operability by a simple voice command, there is a voice command compatible device operating device as shown in FIG. 5 (for example, Patent Document 1).

図５において、コピー機Ａ、コピー機本体の機能１０、利用者特定装置１１、パラメータ記憶手段としてのパラメータ記憶装置１２、マイク１３、Ａ／Ｄ変換器１４、音声認識装置１５、操作履歴記憶手段としての操作履歴記憶装置１６、パラメータ最適化手段としてのパラメータ調整装置１７から構成されている。   In FIG. 5, a copier A, a copier main body function 10, a user specifying device 11, a parameter storage device 12 as a parameter storage means, a microphone 13, an A / D converter 14, a voice recognition device 15, and an operation history storage means. As an operation history storage device 16 and a parameter adjustment device 17 as parameter optimization means.

以下に、その動作について説明する。   The operation will be described below.

認識精度改善のためのパラメータである音声認識環境パラメータを、パラメータ記憶装置１２で利用者毎に最適なものを記憶し、例えば磁気カードＣから認識したＩＤからの情報により、利用者を利用者特定装置１１で特定する。操作履歴記憶装置１６では各利用者による音声コマンド対応機器の操作履歴を記憶する。   Voice recognition environment parameters, which are parameters for improving recognition accuracy, are stored in the parameter storage device 12 for each user. For example, the user is identified by information from the ID recognized from the magnetic card C. It is specified by the device 11. The operation history storage device 16 stores operation histories of voice command compatible devices by each user.

操作履歴に応じて、音声認識誤りが生じた場合にはその原因を推定してその利用者の調整すべき音声認識環境パラメータを特定し、パラメータ調整装置１７により調整することで、音声認識環境パラメータを自動的に最適化する。   When a voice recognition error occurs according to the operation history, the cause is estimated, the voice recognition environment parameter to be adjusted by the user is specified, and the voice adjustment environment parameter is adjusted by the parameter adjusting device 17. Optimize automatically.

この方法により、利用者毎に自動的に実行することができ、不特定多数の利用者に対して良好な音声コマンドによる操作性を提供することが可能となる。
特開２００４−２１２５３３号公報 This method can be automatically executed for each user, and can provide operability with a good voice command to an unspecified number of users.
JP 2004-212533 A

しかしながら、上述した音声コマンド対応機器操作装置では、不特定多数の音声パラメータを登録し、使用時にＩＤにより登録者の特定をおこなう必要があり、特定をおこなって使用頻度から認識率を改善するものであって、必ず使用者が使用するトリガ入力をおこなう必要があり、作業性が悪く効率的でない。   However, in the above-described voice command-compatible device operating device, it is necessary to register a large number of unspecified voice parameters and specify the registrant by ID at the time of use, and the identification rate is improved by improving the recognition rate. Therefore, it is necessary to perform a trigger input for use by the user, which is inefficient and inefficient.

さらに不特定多数の音声パラメータを登録する記憶容量の大きなパラメータ記憶手段とパラメータの調整を使用毎に改善する必要があり、複雑な仕組みが必要有り、経済的でなかった。   Furthermore, it is necessary to improve the parameter storage means for storing a large number of unspecified voice parameters and the parameter adjustment for each use, and a complicated mechanism is required, which is not economical.

また、周囲の雑音環境下では、ノイズの大きさにより音声を正確に認識できないなどの問題があり、感度調整をおこなうことができないという問題があった。   Further, under the surrounding noise environment, there is a problem that the voice cannot be accurately recognized due to the magnitude of the noise, and there is a problem that the sensitivity cannot be adjusted.

本発明は、前記従来の課題を解決するもので、音声を発話する利用者の位置を無線通信の受信レベルにより把握し、利用者の位置に合わせて音声認識するための感度を自動調整することで、音声認識の精度を改善する。   The present invention solves the above-mentioned conventional problems, and grasps the position of a user who speaks voice based on the reception level of wireless communication, and automatically adjusts the sensitivity for voice recognition according to the position of the user. In order to improve the accuracy of speech recognition.

以上のような音声認識をおこなうリモコン装置を提供することを目的とする。   An object of the present invention is to provide a remote control device that performs voice recognition as described above.

上記課題を解決するために、本発明においては、音声を入力することで音声認識し、発話者が携帯する所定符号の第二無線装置と無線通信し、さらに第一無線装置を搭載した機器と無線通信し、前記機器の制御をおこなうリモコン装置であって、感度調整機能を有する音声を入力する音声入力手段と、前記入力音声を解読し、所定の制御をおこなう制御手段と、その制御内容を前記機器の第一無線装置と無線通信する無線第１手段と、音声の発話者が携帯する前記第二無線装置と無線通信する無線第２手段と、前記第一無線装置および第二無線装置からの受信信号レベルから前記機器および発話者の位置を把握する位置検出手段とを備える構成とした。   In order to solve the above-described problems, in the present invention, a voice is recognized by inputting a voice, wirelessly communicates with a second wireless device having a predetermined code carried by a speaker, and a device on which the first wireless device is mounted A remote control device that performs wireless communication and controls the device, a voice input unit that inputs a voice having a sensitivity adjustment function, a control unit that decodes the input voice and performs a predetermined control, and a control content thereof From wireless first means for wireless communication with the first wireless device of the device, wireless second means for wireless communication with the second wireless device carried by a voice speaker, the first wireless device and the second wireless device And a position detecting means for grasping the positions of the device and the speaker from the received signal level.

これによって、利用者がリモコン装置に対して音声を発話し、機器を制御する際に、設置された周辺環境によるノイズや利用者および機器の位置を無線通信により把握することで、その環境下における雑音状況と利用者の位置を加味した音声感度を調整し、音声認識精度の向上をすることができる。   As a result, when the user utters voice to the remote control device and controls the device, the noise and the position of the user and the device due to the surrounding environment installed are grasped by wireless communication. The voice recognition accuracy can be improved by adjusting the voice sensitivity considering the noise situation and the user's position.

以上で説明したように、本発明によれば、無線第１手段および無線第２手段で測定する第一無線装置および第二無線装置からの受信レベルから位置検出手段で機器および発話者の位置を把握し、リモコン装置からの距離にあわせて音声入力手段の感度を調整することで、利用者の音声認識精度を向上するとともに周囲雑音による誤動作の防止をおこない、利用者のリモコン装置の操作性、利便性を向上することができる。   As described above, according to the present invention, the position of the device and the speaker is detected by the position detection means from the reception levels from the first wireless device and the second wireless device measured by the wireless first means and the wireless second means. By grasping and adjusting the sensitivity of the voice input means according to the distance from the remote control device, it improves the user's voice recognition accuracy and prevents malfunction due to ambient noise, the operability of the user's remote control device, Convenience can be improved.

第１の発明は、音声を入力することで音声認識し、発話者が携帯する所定符号の第二無線装置と無線通信し、さらに第一無線装置を搭載した機器と無線通信し、前記機器の制御をおこなうリモコン装置であって、感度調整機能を有する音声を入力する音声入力手段と、前記入力音声を解読し、所定の制御をおこなう制御手段と、その制御内容を前記機器の第一無線装置と無線通信する無線第１手段と、音声の発話者が携帯する前記第二無線装置と無線通信する無線第２手段と、前記第一無線装置および第二無線装置からの受信信号レベルから前記機器および発話者の位置を把握する位置検出手段とを備えることにより、前記位置検出手段が発話者の位置を検出し、音声入力手段の感度調整をおこなうことで、リモコン装置と発話者の位置関係に最適な音声認識をおこなう。   The first invention recognizes a voice by inputting a voice, wirelessly communicates with a second wireless device having a predetermined code carried by a speaker, and further wirelessly communicates with a device equipped with the first wireless device. A remote control device for performing control, a voice input means for inputting a voice having a sensitivity adjustment function, a control means for decoding the input voice and performing a predetermined control, and a control content thereof as a first wireless device of the device A first wireless means for wireless communication, a second wireless means for wirelessly communicating with the second wireless device carried by a voice speaker, and a level of a received signal from the first wireless device and the second wireless device. And position detection means for grasping the position of the speaker, so that the position detection means detects the position of the speaker and adjusts the sensitivity of the voice input means. For optimal voice recognition.

これによって、リモコン装置が発話者との距離に合わせて、自動的に最適な感度で音声入力をおこなうことができ、リモコン装置が周囲環境雑音により音声認識できないことを防止するとともに認識精度を向上することができる。   As a result, the remote control device can automatically perform voice input with optimum sensitivity according to the distance to the speaker, preventing the remote control device from being unable to recognize voice due to ambient noise and improving the recognition accuracy. be able to.

第２の発明は、音声を入力することで音声認識し、発話者が携帯する所定符号の第二無線装置と無線通信し、さらに第一無線装置を搭載した機器と無線通信し、前記機器の制御をおこなうリモコン装置であって、音声を入力する音声入力手段と、入力音声を解読し、所定の制御をおこなう制御手段と、その制御内容を機器の第一無線装置と無線通信する無
線第１手段と、音声の発話者が携帯する第二無線装置と無線通信する無線第２手段と、前記第一無線装置および第二無線装置からの受信信号レベルから機器および発話者の位置を把握する位置検出手段とを備えることにより、前記位置検出手段が発話者および制御対象の前記機器の位置を検出し、制御手段が発話者の位置付近に位置する機器制御を優先しておこなう。 According to a second aspect of the present invention, voice recognition is performed by inputting voice, wireless communication is performed with a second wireless device having a predetermined code carried by a speaker, and wireless communication is performed with a device equipped with the first wireless device. A remote control device that performs control, a voice input unit that inputs voice, a control unit that decodes input voice and performs predetermined control, and a wireless first that wirelessly communicates the control content with the first wireless device of the device Means, wireless second means for wirelessly communicating with a second wireless device carried by the voice speaker, and a position for grasping the position of the device and the speaker from the received signal level from the first wireless device and the second wireless device By providing the detection means, the position detection means detects the position of the speaker and the device to be controlled, and the control means preferentially controls the device located near the position of the speaker.

これによって、発話者が発話した内容をリモコン装置が認識し、発話者付近の制御機器を優先的に制御することで利用者の快適性、利便性を向上するとともに複数の利用者が夫々の位置で付近の機器を最適に制御することができる。   As a result, the remote control device recognizes the content spoken by the speaker and preferentially controls the control devices in the vicinity of the speaker to improve the comfort and convenience of the user and to allow multiple users to This allows optimal control of nearby equipment.

第３の発明は、音声を入力することで音声認識し、発話者が携帯する所定符号の第二無線装置と無線通信し、さらに第一無線装置を搭載した機器と無線通信し、前記機器の制御をおこなうリモコン装置であって、音声を入力する音声入力手段と、入力音声を解読し、所定の制御をおこなう制御手段と、その制御内容を機器の第一無線装置と無線通信する無線第１手段と、音声の発話者が携帯する第二無線装置と無線通信する無線第２手段と、前記第一無線装置および第二無線装置からの受信信号レベルから機器および発話者の位置を把握する位置検出手段と、音声認識を非認識状態にする誤認識防止手段を備えることにより、前記誤認識防止手段が位置検出手段から発話者とリモコン装置の位置を検出し、所定以上の距離に位置する場合に音声認識を非認識状態にする。   According to a third aspect of the present invention, voice recognition is performed by inputting voice, wireless communication is performed with a second wireless device having a predetermined code carried by a speaker, and wireless communication is performed with a device equipped with the first wireless device. A remote control device that performs control, a voice input unit that inputs voice, a control unit that decodes input voice and performs predetermined control, and a wireless first that wirelessly communicates the control content with the first wireless device of the device Means, wireless second means for wirelessly communicating with a second wireless device carried by the voice speaker, and a position for grasping the position of the device and the speaker from the received signal level from the first wireless device and the second wireless device In the case where the erroneous recognition preventing means detects the positions of the speaker and the remote control device from the position detecting means and is located at a predetermined distance or more by providing the detecting means and the erroneous recognition preventing means for making speech recognition unrecognized. Sound The recognition to a non-recognition state.

これによって、利用者がリモコン装置から一定距離以内に存在する時にのみ音声認識をおこなうようにすることができ、リモコン装置の音声入力手段が周囲環境雑音による誤動作を防止することができる。   Thus, voice recognition can be performed only when the user exists within a certain distance from the remote control device, and the voice input means of the remote control device can prevent malfunction due to ambient environmental noise.

また、複数の利用者が夫々の位置する場所が異なっても音声認識状態（音声認識をおこなう状態）の所定範囲を自動的に最適化することができ、利便性の向上をおこなうことができる。   In addition, even if a plurality of users are located at different locations, the predetermined range of the voice recognition state (state in which voice recognition is performed) can be automatically optimized, and convenience can be improved.

第４の発明は、特に、第３の発明において、タイマー手段を備えることにより、リモコン装置からの発話者の距離が所定内で、最後に音声認識した後、一定時間のみ音声認識状態を保持する。   According to a fourth aspect of the invention, in particular, in the third aspect of the invention, by providing the timer means, the voice recognition state is held only for a certain period of time after the voice is finally recognized within a predetermined distance from the remote control device. .

これによって、音声認識を継続している場合は、継続して音声認識をおこなうことができ、発話しない場合には、一定時間経過の後、周囲環境雑音による誤動作を防止するために音声を非認識とするので利用者の利便性、操作性を向上することができる。   As a result, if speech recognition is continued, speech recognition can be performed continuously. If speech is not spoken, the speech is not recognized after a certain period of time to prevent malfunction due to ambient noise. Therefore, user convenience and operability can be improved.

第５の発明は、特に、第３または第４の発明において、誤認識防止手段が位置検出手段により発話者がリモコン装置から所定の距離以内に位置したことを検出した際、非認識状態から音声認識状態に戻る。   According to a fifth aspect of the invention, in particular, in the third or fourth aspect of the invention, when the erroneous recognition preventing means detects that the speaker is located within a predetermined distance from the remote control device by the position detecting means, Return to recognition state.

これによって、利用者の位置検出により自動的に音声認識状態に復帰することができ、利用者が意識せずに、リモコン装置が自動的に音声認識と非認識を切り替えることで、利用者の操作性を向上するとともに誤動作を防止することができる。   As a result, it is possible to automatically return to the voice recognition state by detecting the position of the user, and the remote control device automatically switches between voice recognition and non-recognition without being conscious of the user. Performance and malfunction can be prevented.

第６の発明は、特に、第１から第３の発明において、発話者とリモコン装置を一定距離に設置し、前記発話者が前記リモコン装置に発話した際の前記リモコン装置からの距離および音声入力感度を記憶するメモリ手段を備え、前記発話者の位置を検出後、前記メモリ値の距離を確認し、近接している場合に前記音声入力手段の感度を低下させ、離れた場合に感度を上昇させる音声入力手段を備えることにより、メモリ手段の値から発話者とリモコン装置の位置に最適な感度を自動調整する。   In a sixth aspect of the present invention, in particular, in the first to third aspects, the speaker and the remote control device are installed at a fixed distance, and the distance and voice input from the remote control device when the speaker speaks to the remote control device. A memory means for storing sensitivity is provided, and after detecting the position of the speaker, the distance of the memory value is confirmed, the sensitivity of the voice input means is lowered when approaching, and the sensitivity is increased when separated. By providing the voice input means, the optimum sensitivity is automatically adjusted to the position of the speaker and the remote control device from the value of the memory means.

これによって、発話者は、使用環境に合わせて感度を設定することなく、周囲環境雑音の影響を加味した音声認識をすることができ、利便性、操作性に優れ、ご認識防止をすることができる。   As a result, the speaker can perform voice recognition that takes into account the effects of ambient noise without setting the sensitivity according to the usage environment, which is superior in convenience and operability, and can prevent recognition. it can.

以下、本発明の実施の形態について、図面を参照しながら説明する。なお、この実施の形態によって本発明が限定されるものではない。   Hereinafter, embodiments of the present invention will be described with reference to the drawings. Note that the present invention is not limited to the embodiments.

（実施の形態１）
図１は本発明の実施の形態１のリモコン装置の構成図を示すものである。 (Embodiment 1)
FIG. 1 shows a configuration diagram of a remote control apparatus according to Embodiment 1 of the present invention.

図１において、リモコン装置１は、音声を入力する音声入力手段２と外部の機器であるエアコン２００の第一無線装置２０１と無線通信をおこなう無線第１手段５および発話者１００の第二無線装置１０１と無線通信をおこなう無線第２手段６を制御する制御手段３と、無線の受信信号レベルからエアコン２００と発話者１００の位置を検出する位置検出手段４と、事前にリモコン装置１と発話者の間で最適な音声認識をおこなう位置関係を登録するメモリ手段７と、発話者１００が所定以上の距離に位置する場合に音声非認識状態とする誤認識防止手段８と、音声認識を一定時間内に制限するタイマー手段８１とから構成している。   In FIG. 1, a remote control device 1 includes a voice input means 2 for inputting voice, a first wireless device 5 for wireless communication with a first wireless device 201 of an air conditioner 200 as an external device, and a second wireless device of a speaker 100. 101, control means 3 for controlling wireless second means 6 for wireless communication with 101, position detection means 4 for detecting the positions of air conditioner 200 and speaker 100 from the wireless reception signal level, remote control device 1 and speaker in advance Memory means 7 for registering a positional relationship for performing optimum voice recognition between the two, a misrecognition preventing means 8 for making the voice non-recognition state when the speaker 100 is located at a predetermined distance or more, and voice recognition for a predetermined time. And timer means 81 for limiting inward.

ここでは、機器をエアコン２００として扱うが、リモコン操作を可能とする機器であれば利用可能で、また、発話者１００が携帯する第二無線装置１０１は所定符号を有しており、使用者を特定できるので複数台あってもよい。   Here, the device is treated as the air conditioner 200, but any device that can be operated by a remote controller can be used, and the second wireless device 101 carried by the speaker 100 has a predetermined code, Since it can be specified, there may be multiple units.

エアコン２００や発話者１００が保持する第一無線装置２０１および第二無線装置１０１は、電池駆動で動作する小型軽量の装置で無線通信は、片方向、双方向どちらの通信も可能であっても良い。   The first wireless device 201 and the second wireless device 101 held by the air conditioner 200 and the speaker 100 are small and lightweight devices that are battery-operated, and wireless communication can be performed in either one-way or two-way. good.

次に、このような構成のリモコン装置１の動作、作用について図３のフローチャートを用いて説明する。   Next, the operation and action of the remote control device 1 having such a configuration will be described with reference to the flowchart of FIG.

まず、リモコン装置１の制御手段３は、エアコン２００および発話者１００の位置検出をおこなうために定期的に無線第１手段５（フローチャートＳ１１）および無線第２手段６（フローチャートＳ１２）を介して、エアコン２００の第一無線装置２０１および発話者１００の第二無線装置１０１との間で無線通信をおこなう。   First, the control means 3 of the remote control device 1 periodically performs the position detection of the air conditioner 200 and the speaker 100 via the wireless first means 5 (flow chart S11) and the wireless second means 6 (flow chart S12). Wireless communication is performed between the first wireless device 201 of the air conditioner 200 and the second wireless device 101 of the speaker 100.

エアコン２００の第一無線装置２０１および発話者１００が携帯する第二無線装置１０１からの応答信号の受信レベルから位置検出手段４がリモコン装置１との距離を検出する（フローチャートＳ１３、Ｓ１４）。   The position detection unit 4 detects the distance from the remote control device 1 from the reception level of the response signal from the first wireless device 201 of the air conditioner 200 and the second wireless device 101 carried by the speaker 100 (flowcharts S13 and S14).

また、誤認識防止手段８は、位置検出手段４で検知した第二無線装置との距離が事前にメモリ手段７に記録した所定の距離以内かどうかを判断し（フローチャートＳ１５）、所定距離以上であれば音声非認識状態とし（フローチャートＳ２５）、所定距離以内であれば音声認識状態に切り替えをおこなう（フローチャートＳ２）。   Further, the misrecognition preventing means 8 determines whether or not the distance from the second wireless device detected by the position detecting means 4 is within a predetermined distance recorded in the memory means 7 in advance (flow chart S15). If there is, the voice non-recognition state is set (flow chart S25), and if it is within the predetermined distance, the voice recognition state is switched (flow chart S2).

さらに、誤認識防止手段８は所定の距離以内で音声認識状態の場合に、発話者１００からの音声入力が無くなった時点からタイマー手段８１が時間を計時し（フローチャートＳ２１）、事前にメモリ手段７に記録した所定時間が経過した場合に音声非認識状態に切り替えをおこなう（フローチャートＳ２５）。再び音声認識状態とするためには、発話者１００が所定の距離外へ一旦移動してから距離内へ移動することや特定の音声用語を発話者
１００が発生することで音声認識状態へ遷移することが可能である。 Further, when the voice recognition state is within a predetermined distance, the misrecognition prevention means 8 measures the time from the point when the voice input from the speaker 100 is lost (flow chart S21), and the memory means 7 in advance. Is switched to the voice non-recognition state when the predetermined time recorded in (5) is reached (flow chart S25). In order to return to the voice recognition state, the speaker 100 once moves out of a predetermined distance and then moves into the distance, or when the speaker 100 generates a specific voice term, the speaker 100 is changed to the voice recognition state. It is possible.

ここで、距離の検出は、リモコン装置１の無線第１手段５および無線第２手段６で受信した受信レベルを自由空間基本伝搬損失レベルと比較し、距離を算出する方法でおこなう。   Here, the distance is detected by a method of calculating the distance by comparing the reception level received by the wireless first means 5 and the wireless second means 6 of the remote control device 1 with the free space basic propagation loss level.

次に、リモコン装置１は、メモリ手段７に記録された感度調整値と算出した距離とから音声入力手段２の最適な感度調整をおこなう（フローチャートＳ２２）。   Next, the remote control device 1 performs optimum sensitivity adjustment of the voice input unit 2 from the sensitivity adjustment value recorded in the memory unit 7 and the calculated distance (flow chart S22).

メモリ手段７に記録された感度調整値は、事前に発話者１００が日常使用するリモコン装置１と発話者１００の位置関係で発話し、メモリ手段７にその時の音声入力を音声認識できる感度に調整した調整値を記録したものである。   The sensitivity adjustment value recorded in the memory means 7 is preliminarily adjusted to a sensitivity at which the speech input at that time can be recognized in the memory means 7 by speaking in accordance with the positional relationship between the remote control device 1 used daily by the speaker 100 and the speaker 100. The adjusted value is recorded.

リモコン装置１に対して発話者１００が音声でエアコン２００の電源をオンするように例えば「暖房」と発話する。   For example, the speaker 100 utters “heating” to the remote control device 1 so as to turn on the power of the air conditioner 200 by voice.

その音声を音声入力手段２が受信し、制御手段３で入力音声の解読をおこない、無線第１手段５にエアコン２００の電源をオンし、暖房動作をおこなう制御指令をおこない（フローチャートＳ２３）、エアコン２００の第一無線装置２０１に対して無線通信をおこなう。   The voice input means 2 receives the voice, the control means 3 decodes the input voice, turns on the power of the air conditioner 200 to the wireless first means 5, and gives a control command for performing the heating operation (flow chart S23). Wireless communication is performed with respect to 200 first wireless devices 201.

上記動作を発話者１００の携帯する第二無線装置１０１と無線第２手段６が定期的な通信をおこない距離を常時検知しながら音声入力手段２の感度調整を自動的におこない、発話者１００が移動してもリモコン装置1が音声を認識できる調整をおこなう。   The second wireless device 101 and the wireless second means 6 carried by the speaker 100 carry out the above-mentioned operations to perform periodic communication and automatically adjust the sensitivity of the voice input means 2 while constantly detecting the distance. Adjustment is performed so that the remote control device 1 can recognize the sound even if the user moves.

また、複数台のエアコン２００が存在する場合には、夫々の第一無線装置２０１と無線第１手段５が定期通信をおこない、夫々の位置関係と発話者１００の位置を位置検出手段４が把握することにより、発話者１００が発話したエアコンへの制御内容が複数あるエアコン２００の内、最も発話者１００に近いエアコン２００に対して「暖房」の制御をおこなう（フローチャートＳ２４）。   Further, when there are a plurality of air conditioners 200, the first wireless device 201 and the wireless first means 5 perform regular communication, and the position detecting means 4 grasps the positional relationship and the position of the speaker 100. As a result, the “heating” control is performed on the air conditioner 200 closest to the speaker 100 among the air conditioners 200 having a plurality of control contents for the air conditioner spoken by the speaker 100 (flow chart S24).

以上のように、本実施の形態においては、常にリモコン装置１とエアコン２００の第一無線装置２０１および発話者１００の第二無線装置１０１との間で定期的に無線通信し、位置検出手段４が常時その位置を把握する構成とすることにより、リモコン装置１と発話者１００の位置関係にあわせて自動的に音声入力手段２の感度調整をすることとなり、音声認識の精度を向上することができる。   As described above, in the present embodiment, the position detection unit 4 always performs wireless communication periodically between the remote controller 1 and the first wireless device 201 of the air conditioner 200 and the second wireless device 101 of the speaker 100. With the configuration in which the position is always grasped, the sensitivity of the voice input means 2 is automatically adjusted according to the positional relationship between the remote control device 1 and the speaker 100, so that the accuracy of voice recognition can be improved. it can.

また、事前に発話者１００との所定距離および距離に対して最適な感度調整値、音声入力後に次の音声入力までの所定時間を記録するメモリ手段７を構成することにより、メモリの内容と測定した情報を比較し所定の距離範囲内に発話者１００が位置するかどうか、その位置に合わせた最適感度かどうか、音声の入力待ち状態の時間が所定内かどうかを判断することが可能となり、音声認識の誤動作防止や音声認識の精度向上をおこなうことができる。   Further, by configuring the memory means 7 to record the optimum sensitivity adjustment value with respect to the predetermined distance and distance to the speaker 100 in advance and the predetermined time from the voice input to the next voice input, the contents and measurement of the memory It is possible to determine whether or not the speaker 100 is located within a predetermined distance range, whether the sensitivity is optimal for the position, and whether the time for waiting for voice input is within a predetermined range. It is possible to prevent malfunction of speech recognition and improve accuracy of speech recognition.

また、複数のエアコン２００が存在する場合に、意識させずに発話者１００に最も近いエアコン２００に対して制御をおこなうことで、発話者１００の利便性、操作性を向上することができる。   Further, when there are a plurality of air conditioners 200, the convenience and operability of the speaker 100 can be improved by controlling the air conditioner 200 closest to the speaker 100 without being conscious of it.

なお、無線第１手段５と無線第２手段６は使用する周波数やチャネルを異なる設定とし、独立して無線通信をおこなうようにすることで時間的に同時に動作させることも可能で
あり、異なるプロトコルや規格の方式を使用して混信防止しても同じ効果が得られる。無線通信の対象となる第一無線装置２０１および第二無線装置１０１も同様である。 The wireless first means 5 and the wireless second means 6 can be operated simultaneously in time by setting different frequencies and channels to be used and performing wireless communication independently. The same effect can be obtained even if interference is prevented by using the standard method. The same applies to the first wireless device 201 and the second wireless device 101 that are wireless communication targets.

（実施の形態２）
図２は本発明の実施の形態２のリモコン装置の構成図を示すものである。 (Embodiment 2)
FIG. 2 shows a configuration diagram of the remote control device according to the second embodiment of the present invention.

図２において、無線手段５Ａは外部機器のエアコン２００と発話者１００の携帯する第二無線装置２０１および第一無線装置１０１と無線通信をおこない、間隔通信手段９はその通信の間隔を制御する。   In FIG. 2, the wireless means 5A performs wireless communication with the air conditioner 200 of the external device and the second wireless device 201 and the first wireless device 101 carried by the speaker 100, and the interval communication means 9 controls the communication interval.

リモコン装置１Ｃは、間隔通信手段９と無線手段５Ａを搭載したもので、その他の構成は、実施の形態１と同じであるため説明を省略する。図１と同じである。   The remote control device 1C is equipped with the interval communication means 9 and the wireless means 5A, and the other configurations are the same as those in the first embodiment, and thus the description thereof is omitted. The same as FIG.

次に、このような構成のリモコン装置の動作、作用について図４のフローチャートを用いて説明する。   Next, the operation and action of the remote control device having such a configuration will be described with reference to the flowchart of FIG.

まず、無線手段５Ａがエアコン２００の第一無線装置２０１および発話者１００が携帯する第二無線装置１０１との間でおこなう通信において、エアコン２００は常に設置されている場所が固定されており、リモコン装置１Ｃとの距離の変化は常に移動している発話者１００と比較して少ないので、エアコン２００に対する定期通信の間隔は長くすることができる。   First, in the communication performed by the wireless means 5A between the first wireless device 201 of the air conditioner 200 and the second wireless device 101 carried by the speaker 100, the place where the air conditioner 200 is always installed is fixed. Since the change in the distance to the apparatus 1C is smaller than that of the speaker 100 who is constantly moving, the interval of regular communication with the air conditioner 200 can be increased.

したがって、間隔通信手段９が、無線手段５Ａに対して、発話者１００の第二無線装置１０１との定期通信の間隔の空き時間にエアコン２００の第一無線装置２０１と通信をおこなうように通信状態把握と時分割通信の制御をおこなう（フローチャートＳ１６）。   Therefore, the communication state is such that the interval communication means 9 communicates with the first wireless device 201 of the air conditioner 200 during the idle time of the regular communication with the second wireless device 101 of the speaker 100 with respect to the wireless means 5A. Grasp and control of time division communication are performed (flow chart S16).

次に、その時分割通信の制御指令に応じて無線手段５Ａは発話者１００の無線装置１０１とエアコン２００の無線装置２０１との通信を切り替えて無線通信をおこなう（フローチャートＳ１１、Ｓ１３）。   Next, in accordance with the control command for the time division communication, the wireless means 5A performs wireless communication by switching communication between the wireless device 101 of the speaker 100 and the wireless device 201 of the air conditioner 200 (flowcharts S11 and S13).

なお、間隔通信手段９の時分割通信の制御は、無線装置１０１の定期通信の間隔に毎回第一無線装置２０１との通信をおこなっても、第二無線装置１０１の定期通信の複数回毎に第一無線通信２０１との通信をおこなう方法でも同じ機能は実現可能である。   Note that the control of the time division communication of the interval communication unit 9 is performed every time the periodic communication of the second wireless device 101 is performed even if the communication with the first wireless device 201 is performed every time the periodic communication of the wireless device 101 is performed. The same function can be realized by a method of performing communication with the first wireless communication 201.

また、間隔通信手段９は、無線手段５Ａが常時、発話者１００の位置検知をおこなう無線通信を第二無線装置１０１とおこない（フローチャートＳ１２、Ｓ１４）、位置検知手段４で検知した距離がメモリ手段７に記録された所定距離内に発話者１００が位置した場合となった時点からエアコン２００の第一無線装置２０１と通信をおこなうように制御することでも同じ機能は実現可能である。   Further, the interval communication means 9 performs wireless communication with the second wireless device 101 where the wireless means 5A always detects the position of the speaker 100 (flow charts S12 and S14), and the distance detected by the position detecting means 4 is the memory means. The same function can be realized by controlling the speaker 100 to communicate with the first wireless device 201 of the air conditioner 200 from when the speaker 100 is located within the predetermined distance recorded in FIG.

また、間隔通信手段９が、音声入力手段２から音声入力された時点から第一無線装置２０１との通信をおこない、エアコン２００の位置を検知することでもエアコン２００の制御をおこなうことも可能である。   It is also possible to control the air conditioner 200 by detecting the position of the air conditioner 200 by communicating with the first wireless device 201 when the interval communication means 9 receives a sound input from the sound input means 2. .

その他の動作、作用に付いては実施の形態１と同じなので説明は省略する。   Since other operations and functions are the same as those in the first embodiment, description thereof will be omitted.

以上のように、本実施の形態においては、無線通信の手段を一つの無線手段５Ａと時分割に効率よく通信をおこなう間隔通信手段９で構成することにより、間隔通信手段９で移動の多い発話者１００の第二無線装置１０１との定期通信を高頻度でおこない、距離変動の少ないエアコン２００の第一無線装置２０１との通信を低頻度でおこなう時分割通信の
制御をおこなうこととなり、無線手段を簡略化し小型化、経済性を向上できる。 As described above, in the present embodiment, by configuring the wireless communication means with the interval communication means 9 that efficiently communicates with the single wireless means 5A in a time-sharing manner, the interval communication means 9 makes a speech that moves a lot. The time-division communication control is performed in which the periodic communication with the second wireless device 101 of the person 100 is performed with high frequency, and the communication with the first wireless device 201 of the air conditioner 200 with less distance fluctuation is performed with low frequency. Can be simplified, downsized, and economically improved.

また、エアコン２００のような機器が複数存在しても発話者１００の第二無線装置１０１との通信頻度を保持しつつ、各機器との通信頻度を間隔通信手段９で容易に変えることで同じ機能を実現することができる。   In addition, even if there are a plurality of devices such as the air conditioner 200, the communication frequency with each device can be easily changed by the interval communication means 9 while maintaining the communication frequency with the second wireless device 101 of the speaker 100. Function can be realized.

なお、本実施の形態で説明した手段は、ＣＰＵ（またはマイコン）、ＲＡＭ、ＲＯＭ、記憶・記録装置、Ｉ／Ｏなどを備えた電気・情報機器、コンピュータ、サーバー等のハードリソースを協働させるプログラムの形態で実施してもよい。   Note that the means described in this embodiment causes hardware resources such as a CPU (or microcomputer), a RAM, a ROM, a storage / recording device, an electrical / information device including an I / O, a computer, a server, and the like to cooperate. You may implement with the form of a program.

プログラムの形態であれば、磁気メディアや光メディアなどの記録媒体に記録したりインターネットなどの通信回線を用いて配信することで新しい機能の配布・更新やそのインストール作業が簡単にできる。   In the form of a program, new functions can be easily distributed / updated and installed by recording them on a recording medium such as magnetic media or optical media or distributing them via a communication line such as the Internet.

また、本実施の形態ではリモコン装置１および１Ｂを音声認識するリモコン装置として説明したが、これに限らず、ＰＤＡ、電話機、携帯電話のような音声を入力する装置、携帯音楽プレーヤや携帯パソコン、携帯情報端末、ＩＣカード、鍵などに搭載することでも有効である。   In the present embodiment, the remote control devices 1 and 1B are described as remote control devices that recognize voices. However, the present invention is not limited to this, and devices such as PDAs, telephones, mobile phones, voice input devices, portable music players, portable personal computers, It is also effective to be mounted on a portable information terminal, IC card, key or the like.

以上のように、本発明は、発話者と制御機器の位置検知を無線通信によりおこない、音声認識の感度および入力を切り替えることで、発話者の音声認識精度を周囲環境にあわせて向上し、距離に合わせて誤認識防止をおこなうことができ、利便性や信頼性の高い機能とすることができる。   As described above, the present invention performs the position detection of the speaker and the control device by wireless communication, and switches the voice recognition sensitivity and input to improve the voice recognition accuracy of the speaker according to the surrounding environment, Therefore, it is possible to prevent misrecognition and to make the function highly convenient and reliable.

これは機器の操作性を音声認識により改善する際に、誤認識をおこなう頻度を低減することで、より信頼性をたかめ一般家庭の家電機器だけでなく、ビル、工場のような産業用途の機械や設備の操作、認証システム等の用途にも適用できる。   By improving the operability of equipment by voice recognition, the frequency of misrecognition is reduced to increase reliability, and not only household appliances in general households but also industrial machines such as buildings and factories. It can also be used for applications such as equipment operation and authentication systems.

本発明の実施の形態１のリモコン装置の構成図Configuration diagram of remote control device of embodiment 1 of the present invention 本発明の実施の形態２のリモコン装置の構成図Configuration diagram of remote control device of embodiment 2 of the present invention 本発明の実施の形態１のリモコン装置のフローチャートFlowchart of remote control device of embodiment 1 of the present invention 本発明の実施の形態２のリモコン装置のフローチャートFlowchart of remote control device according to embodiment 2 of the present invention 従来のリモコン装置における構成図Configuration diagram of conventional remote control device

符号の説明Explanation of symbols

１、１Ｃ リモコン装置
２ 音声入力手段
３ 制御手段
４ 位置検出手段
５ 無線第１手段
５Ａ 無線手段
６ 無線第２手段
７ メモリ手段
８ 誤認識防止手段
９ 間隔通信手段
８１ タイマー手段
１００ 発話者
１０１ 第二無線装置
２００ エアコン（機器）
２０１ 第一無線装置 DESCRIPTION OF SYMBOLS 1, 1C Remote control device 2 Voice input means 3 Control means 4 Position detection means 5 Radio | wireless 1st means 5A Radio | wireless means 6 Radio | wireless 2nd means 7 Memory means 8 Misrecognition prevention means 9 Space | interval communication means 81 Timer means 100 Speaker 101 Second Wireless device 200 Air conditioner (equipment)
201 First wireless device

Claims (2)

音声を入力することで音声認識し、発話者が携帯する第二無線装置と無線通信し、さらに第一無線装置を搭載した機器と無線通信し前記機器の制御をおこなうリモコン装置であって、
音声を入力する音声入力手段と、前記入力音声を解読し、所定の制御をおこなう制御手段と、その制御内容を前記機器の第一無線装置と無線通信する無線第１手段と、前記音声の発話者が携帯する第二無線装置と無線通信する無線第２手段と、前記第一無線装置および第二無線装置からの受信信号レベルから機器および発話者の位置を把握する位置検出手段とを備え、
前記位置検出手段は、前記発話者の位置を検出し、前記リモコン装置からの距離にあわせて前記発話者の位置付近に位置する前記機器の制御を優先しておこなうリモコン装置。 A remote control device that recognizes a voice by inputting a voice, wirelessly communicates with a second wireless device carried by a speaker, further wirelessly communicates with a device equipped with the first wireless device, and controls the device,
Voice input means for inputting voice, control means for decoding the input voice and performing predetermined control, wireless first means for wirelessly communicating the control content with the first wireless device of the device, and speech utterance Wireless second means for wireless communication with the second wireless device carried by the person, and position detection means for grasping the position of the device and the speaker from the received signal level from the first wireless device and the second wireless device,
The position detection means is a remote control device that detects the position of the speaker and prioritizes control of the device located near the position of the speaker according to the distance from the remote control device. 発話者とリモコン装置を一定距離に設置し、前記発話者が前記リモコン装置に発話した際の前記リモコン装置からの距離および音声入力感度を記憶するメモリ手段を備え、
前記発話者の位置を検出後、前記メモリ値の距離を確認し、近接している場合に前記音声入力手段の感度を低下させ、離れた場合に感度を上昇させる音声入力手段とした請求項１記載のリモコン装置。 A memory means for storing a distance from the remote control device and a voice input sensitivity when the speaker and the remote control device are installed at a fixed distance and the speaker speaks to the remote control device,
After detecting the position of the speaker to confirm the length of the memory value, close to reduce the sensitivity of the speech input means when are, claim wherein the speech input means for increasing the sensitivity when a distance 1 The remote control device described .
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