A failure detection device for detecting a failure of a sound generating device outputting a sound based on sound data from a speaker includes: an electronic watermark signal generating unit configured to generate an electronic watermark signal including collation data used for collation of whether or not a sound is output from the speaker; the speaker configured to output the electronic watermark signal as a sound; a microphone configured to collect the sound output from the speaker; a collation data detection unit configured to detect the collation data from the electronic watermark signal included in the sound collected by the microphone; and a failure determination unit configured to determine the presence or absence of the failure of the sound generating device by collating the collation data detected by the collation data detection unit with the collation data included in the electronic watermark signal.


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    Titel :

    Failure detection device, failure detection system, and failure detection method


    Beteiligte:
    SUGAI TAKU (Autor:in) / SAITO NOZOMU (Autor:in) / YAMADA JYOJI (Autor:in) / TAKAKU ISAMU (Autor:in)

    Erscheinungsdatum :

    2019-12-24


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    H04R LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS , Lautsprecher, Mikrofone, Schallplatten-Tonabnehmer oder ähnliche akustische, elektromechanische Wandler / 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 / G10L Analyse oder Synthese von Sprache , SPEECH ANALYSIS OR SYNTHESIS



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