Audio watermark encoding with reversing polarity and pairwise embedding
    31.
    发明授权
    Audio watermark encoding with reversing polarity and pairwise embedding 有权
    具有反转极性和成对嵌入的音频水印编码

    公开(公告)号:US09305559B2

    公开(公告)日:2016-04-05

    申请号:US14054492

    申请日:2013-10-15

    CPC classification number: G10L19/018 G10L19/02

    Abstract: Audio watermark encoding methods employ reversing polarity and pairwise embedding. A watermark signal is generated, mapped to pairs of embedding locations and inserted in the members of the pair with reverse polarity. The pairs of embedding locations correspond to adjacent regions or frames in time or frequency domains. A method for controlling an audio output device captures audio from the device, extracts its identity from a watermark, and modifies the operation of the device, e.g. varying watermark strength or audio loudness.

    Abstract translation: 音频水印编码方法采用反转极性和成对嵌入。 生成水印信号,映射到嵌入位置对,并以相反的极性插入对中的成员中。 嵌入位置对对应于时域或频域中的相邻区域或帧。 用于控制音频输出设备的方法从设备捕获音频,从水印中提取其身份,并修改设备的操作,例如, 变化的水印强度或音频响度。

    MOBILE DEVICE INDOOR NAVIGATION
    32.
    发明申请
    MOBILE DEVICE INDOOR NAVIGATION 审中-公开
    移动设备室内导航

    公开(公告)号:US20150380003A1

    公开(公告)日:2015-12-31

    申请号:US14748126

    申请日:2015-06-23

    Abstract: An audio playback system receives digitally watermarked audio programming and distributes it to audio speakers in a venue, enabling a variety of location and product dependent services to be delivered to mobile devices in the venue. Mobile devices sense audio from speakers and decode digital identifying information, including characteristics to distinguish audio sources. The mobile device communicates with a networked computer to provide the identifying information, which in turn, triggers an alert for output on the mobile device.

    Abstract translation: 音频播放系统接收数字水印的音频节目并将其分发到场地中的音频扬声器,使得能够将各种位置和产品相关服务递送到场地中的移动设备。 移动设备从扬声器检测音频并解码数字识别信息,包括区分音频源的特性。 移动设备与联网的计算机进行通信,以提供识别信息,该信息又触发在移动设备上输出的警报。

    Mobile device indoor navigation
    33.
    发明授权
    Mobile device indoor navigation 有权
    移动设备室内导航

    公开(公告)号:US09064398B2

    公开(公告)日:2015-06-23

    申请号:US14189740

    申请日:2014-02-25

    Abstract: A method for indoor navigation in a venue derives positioning of a mobile device based on sounds captured by the microphone of the mobile device from the ambient environment. It is particularly suited to operate on smartphones, where the sounds are captured using microphone that captures sounds in a frequency range of human hearing. The method determines a position of the mobile device in the venue based on identification of the audio signal, monitors the position of the mobile device, and generates a position based alert on an output device of the mobile device when the position of the mobile device is within a pre-determined position associated with the position based alert.

    Abstract translation: 用于场地室内导航的方法根据来自周围环境的移动设备的麦克风捕获的声音来导出移动设备的定位。 它特别适合在智能手机上操作,其中使用在人类听觉的频率范围内捕获声音的麦克风捕获声音。 所述方法基于所述音频信号的识别来确定所述移动设备在所述场所中的位置,监视所述移动设备的位置,并且当所述移动设备的位置是所述移动设备的位置时,在所述移动设备的输出设备上生成基于位置的警报 在与基于位置的警报相关联的预定位置内。

    MOBILE DEVICE INDOOR NAVIGATION
    37.
    发明申请
    MOBILE DEVICE INDOOR NAVIGATION 有权
    移动设备室内导航

    公开(公告)号:US20140285338A1

    公开(公告)日:2014-09-25

    申请号:US14189740

    申请日:2014-02-25

    Abstract: A method for indoor navigation in a venue derives positioning of a mobile device based on sounds captured by the microphone of the mobile device from the ambient environment. It is particularly suited to operate on smartphones, where the sounds are captured using microphone that captures sounds in a frequency range of human hearing. The method determines a position of the mobile device in the venue based on identification of the audio signal, monitors the position of the mobile device, and generates a position based alert on an output device of the mobile device when the position of the mobile device is within a pre-determined position associated with the position based alert.

    Abstract translation: 用于场地室内导航的方法根据来自周围环境的移动设备的麦克风捕获的声音来导出移动设备的定位。 它特别适合在智能手机上操作,其中使用在人类听觉的频率范围内捕获声音的麦克风捕获声音。 所述方法基于所述音频信号的识别来确定所述移动设备在所述场所中的位置,监视所述移动设备的位置,并且当所述移动设备的位置是所述移动设备的位置时,在所述移动设备的输出设备上生成基于位置的警报 在与基于位置的警报相关联的预定位置内。

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