To provide a transmitting/receiving device for an acoustic communication system that enables an automatic driving machine to transmit information from the automatic driving machine to surrounding people and encourage safe behavior.SOLUTION: An acoustic communication transmitting/receiving device 100 includes a character data processing unit 2 that converts a text into binary encoded data and generates audio data that has been modulated into an audible high frequency range, an audio data processing unit 3 that synthesizes an audio waveform on the basis of character data and generates an audio waveform consisting of an audible low range, a multiplexing mixer unit 5 that mixes the modulated audio data and the audio waveform consisting of the audible low range, an ultrasonic modulation unit 61 that modulates the mixed audio waveform to generate an ultrasonic waveform, an audio reproduction unit 6 that reproduces an ultrasonic waveform with a parametric speaker 63, and a directivity control unit 7 that controls the propagation direction of the ultrasonic waveform.SELECTED DRAWING: Figure 1

    【課題】自動運転機械が、周囲の人物に対し、自動運転機械からの情報を伝達し、安全行動を促すことが可能となる音響コミュニケーションシステム用送受信装置を提供する。【解決手段】音響コミュニケーション用送受信装置100は、テキストをバイナリー符号化データへ変換及び可聴音高域に変調処理された音声データを生成する文字データ処理部2と、文字データに基づき音声波形を合成し、可聴音低域からなる音声波形を生成する音声データ処理部3と、変調処理された音声データと可聴音低域からなる音声波形とをミキシングする多重化ミキサー部5と、ミキシング音声波形を変調して超音波波形を生成する超音波変調部61と、超音波波形をパラメトリックスピーカー63で再生する音声再生部6と、超音波波形の伝搬方向を制御する指向性制御部7と、を備える。【選択図】図1


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    Titel :

    ACOUSTIC COMMUNICATION TRANSMITTING/RECEIVING DEVICE AND ACOUSTIC COMMUNICATION SYSTEM


    Weitere Titelangaben:

    音響コミュニケーション用送受信装置及び音響コミュニケーションシステム


    Beteiligte:

    Erscheinungsdatum :

    2022-12-01


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    IPC:    H04B TRANSMISSION , Übertragung / B60Q ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL , Anordnung von Signal- oder Beleuchtungsvorrichtungen, deren Einbau oder Halterung oder deren Schaltkreise bei Fahrzeugen allgemein / G01S RADIO DIRECTION-FINDING , Funkpeilung / G10L Analyse oder Synthese von Sprache , SPEECH ANALYSIS OR SYNTHESIS / H04R LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS , Lautsprecher, Mikrofone, Schallplatten-Tonabnehmer oder ähnliche akustische, elektromechanische Wandler



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