Described herein are systems, methods, and non-transitory computer readable media for detecting the presence of an authority vehicle in proximity to a vehicle such as an autonomous vehicle and initiating an automated response. Presence of an authority vehicle can be determined based on an analysis of an audio signal stream received from an audio capture device, such as a microphone, present in the vehicle. Various audio signals representative of sounds other than an authority vehicle siren can be filtered from the audio signal stream to produce a filtered output. The filtered output can then be analyzed to determine whether it contains an audio signal indicative of the presence of an authority vehicle. Such a determination can be made by assessing characteristics of the audio signal such as intensity, frequency, and/or periodicity. If an authority vehicle is present, various response measures can be taken such as initiating an automated braking operation.

    本文中描述了用于检测在车辆诸如自主车辆附近的机构车辆的存在并发起自动响应的系统、方法以及非暂时性计算机可读介质。可基于对从存在于所述车辆中的音频捕获装置诸如麦克风接收的音频信号流的分析来确定机构车辆的存在。可从所述音频信号流中滤除表示除机构车辆警报器之外的声音的各种音频信号以产生滤波的输出。然后,可分析所述滤波的输出以确定其是否包含指示机构车辆的存在的音频信号。可通过评估所述音频信号的特性诸如强度、频率和/或周期性来做出这种确定。如果存在机构车辆,则可采取各种响应措施诸如发起自动制动操作。


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    Titel :

    AUTHORITY VEHICLE DETECTION


    Weitere Titelangaben:

    机构车辆检测


    Beteiligte:
    DINGLI ROBERT (Autor:in) / DIEHL PETER G (Autor:in) / LI CHEN YUE (Autor:in)

    Erscheinungsdatum :

    2021-05-04


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    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 / B60T Bremsanlagen für Fahrzeuge oder Teile davon , VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF / B60W CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION , Gemeinsame Steuerung oder Regelung von Fahrzeug-Unteraggregaten verschiedenen Typs oder verschiedener Funktion



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