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    • 33. 发明申请
    • ADAPTIVE AUDIO CONTENT GENERATION SYSTEM
    • 自适应音频内容生成系统
    • US20090146799A1
    • 2009-06-11
    • US12208923
    • 2008-09-11
    • Steven GoldsteinJohn Usher
    • Steven GoldsteinJohn Usher
    • B60Q1/22H03G3/20
    • B60Q5/00
    • At least one exemplary embodiment is directed to an alarm signal alerts individuals who may be in the vicinity of the reversing vehicle and alerts the vehicle operator when the alarm signal is not be audible due to high ambient sound levels or detritus covering the alarm transducer. The background noise level in proximity to the vehicle is monitored. The level of the alarm signal is increased as the ambient (or background) sound level rises. Conversely, the level of the alarm signal is reduced as the background noise level decreases. The alarm signal is changed in volume, frequency, or both based on velocity of the vehicle. In other exemplary embodiments, the frequency content of the alarm signal is modified if the spectral profile of the ambient sound field contains spectral components that may mask the alarm signal.
    • 至少一个示例性实施例涉及警报信号,该警报信号警告可能在反向车辆附近的个人,并且当警报信号由于高的环境声级或覆盖报警换能器的碎屑而不能被听见时,警告车辆操作者。 监控车辆附近的背景噪音水平。 随着环境(或背景)声级上升,报警信号的电平增加。 相反,随着背景噪声水平的降低,报警信号的电平也会降低。 基于车辆的速度,报警信号以体积,频率或两者改变。 在其他示例性实施例中,如果环境声场的频谱分布包含可以屏蔽报警信号的频谱分量,则修改报警信号的频率内容。
    • 38. 发明申请
    • METHODS AND DEVICES FOR AUDIO UPMIXING
    • 用于音频上传的方法和设备
    • US20080137887A1
    • 2008-06-12
    • US11843055
    • 2007-08-22
    • John Usher
    • John Usher
    • H04R5/02
    • H04S5/02
    • At least one exemplary embodiment is directed to a new spatial audio enhancing system including a novel Adaptive Sound Upmixing System (ASUS). In some specific embodiments the ASUS provided converts a two-channel recording into an audio signal including four channels that can be played over four different loudspeakers. In other specific embodiments the ASUS provided converts a two-channel recording into an audio signal including five channels that can be played over five different loudspeakers. In even other specific embodiments the ASUS provided converts a five-channel recording (such as those for DVD's) into an audio signal including eight channels that can be played over eight different loudspeakers. More generally, in view of this disclosure those skilled in the art will be able to adapt the ASUS to process and provide an arbitrary number of audio channels both at the input and the output.
    • 至少一个示例性实施例涉及包括新型自适应声音混合系统(ASUS)的新的空间音频增强系统。 在一些具体实施例中,ASUS提供的将双声道记录转换成包括可以在四个不同扬声器上播放的四个声道的音频信号。 在其他具体实施例中,所提供的华硕将两声道记录转换成包括可以在五个不同扬声器上播放的五个声道的音频信号。 在其它具体实施例中,ASUS提供的五通道记录(例如DVD的那些)转换成包括可以在八个不同扬声器上播放的八个声道的音频信号。 更一般地,鉴于本公开,本领域技术人员将能够使华硕在输入和输出处理和提供任意数量的音频通道。