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    • 5. 发明授权
    • Signal processing system and methods for reliably detecting audible alarms
    • 信号处理系统和可靠检测声音报警的方法
    • US08269625B2
    • 2012-09-18
    • US12756698
    • 2010-04-08
    • Leslies D. HoyDavid E. AlbertLandgrave T. SmithJames J. Lewis
    • Leslies D. HoyDavid E. AlbertLandgrave T. SmithJames J. Lewis
    • G08B21/00
    • H04R29/00G08B1/08G08B3/10G08B7/06G08B13/1672G08B29/185
    • A signal processing system and associated methods are disclosed for reliably detecting audible alert signals, such as Temporal-3 (or Code-3) and Temporal-4 (or Code-4) alert signals generated by commercially available smoke, fire, and carbon monoxide detectors. The system and methods are capable of detecting audible alert signals of different intensities in the presence of dynamic background environment (e.g., television programming, music, noise, and the like). The system and methods are capable of detecting audible alert signals generated by far away smoke, fire, and carbon monoxide detectors. The signal processing system and methods may, in some embodiments, be incorporated into a bedside or other unit that generates a supplemental alert signal capable of alerting individuals who might not otherwise respond to the alarm condition, such as individuals who are asleep, children, hearing impaired, or intoxicated.
    • 公开了信号处理系统和相关方法,用于可靠地检测可听到的警报信号,例如由市售的烟,火和一氧化碳产生的时间-3(或代码-3)和时间-4(或代码-4)警报信号 探测器 该系统和方法能够在存在动态背景环境(例如,电视节目,音乐,噪声等)的情况下检测不同强度的可听报警信号。 该系统和方法能够检测远离烟,火和一氧化碳检测器产生的声音报警信号。 在一些实施例中,信号处理系统和方法可以被合并到床边或其他单元中,该单元产生能够提醒可能不响应于警报状况的个人的补充警报信号,例如睡着的人,儿童,听力 受损或中毒。