Techniques are disclosed to use existing vehicle speakers alone or in conjunction with other sensors (e.g. SRS sensors and/or microphones) that may already be implemented as part of the vehicle to identify acoustic signatures. Suitable low-cost and widely available hardware components (e.g., relays) may be used to modify the vehicle's existing speakers for a bi-directional mode of operation. Moreover, the vehicle's existing of audio amplifiers may be used to amplify signals collected by the speakers when operating in "reverse," and process these collected signals to determine vehicle state information.
IN-CABIN ACOUSTIC-BASED PASSENGER OCCUPANCY AND SITUATION STATE ASSESSMENT
AKUSTIKBASIERTE FAHRGASTBELEGUNGS- UND -POSITIONSBEURTEILUNG IN EINER KABINE
ÉVALUATION DE L'ÉTAT DE SITUATION ET D'OCCUPATION DES PASSAGERS EN CABINE SUR LA BASE DE L'ACOUSTIQUE
2023-12-27
Patent
Elektronische Ressource
Englisch
IPC: | G10L Analyse oder Synthese von Sprache , SPEECH ANALYSIS OR SYNTHESIS / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / G01H MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES , Messen von mechanischen Schwingungen oder Ultraschall-, Schall- oder Infraschallwellen / G01V Geophysik , GEOPHYSICS / G06N COMPUTER SYSTEMS BASED ON SPECIFIC COMPUTATIONAL MODELS , Rechnersysteme, basierend auf spezifischen Rechenmodellen / G07C TIME OR ATTENDANCE REGISTERS , Zeit- oder Anwesenheitskontrollgeräte |
Passenger cabin, passenger cabin controller and working method thereof
Europäisches Patentamt | 2022
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