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    • 34. 发明申请
    • POSE TO DEVICE MAPPING
    • 设备映射
    • US20100169781A1
    • 2010-07-01
    • US12347999
    • 2009-01-01
    • DAVID L. GRAUMANNGiuseppe RaffaLama Nachman
    • DAVID L. GRAUMANNGiuseppe RaffaLama Nachman
    • G06F3/01G06F3/16
    • H04M1/7253G06F3/011G06F3/167H04M1/6066H04M2250/02H04M2250/12
    • Embodiments may comprise logic such as hardware and/or code to map content of a device such as a mobile device, a laptop, a desktop, or a server, to a two dimensional field or table and map user poses or movements to the coordinates within the table to offer quick access to the content by a user. Many embodiments, for example, utilize three wireless peripherals such as a watch, ring, and headset connected to a mobile Internet device (MID) comprising an audible user interface and an auditory mapper to access to the content. The audible user interface may communicatively couple with the peripherals to receive pose data that describes the motion or movements associated with one or more of the peripherals and to provide feedback such as audible items and, in some embodiments, other feedback.
    • 实施例可以包括诸如硬件和/或代码之类的逻辑,以将诸如移动设备,膝上型计算机,桌面或服务器之类的设备的内容映射到二维场或表,并将用户姿态或运动映射到坐标内 该表提供用户快速访问内容。 例如,许多实施例利用连接到包括可听用户界面和听觉映射器的移动因特网设备(MID)的三个无线外围设备,例如手表,环和耳机来访问内容。 可听用户界面可以与外围设备通信地耦合以接收描述与一个或多个外围设备相关联的运动或运动的姿势数据,并提供诸如可听项目之类的反馈,并且在一些实施例中提供其他反馈。
    • 37. 发明授权
    • Adaptive noise reduction technique for multi-point communication system
    • 多点通信系统的自适应降噪技术
    • US06175634B1
    • 2001-01-16
    • US08768917
    • 1996-12-17
    • David L. Graumann
    • David L. Graumann
    • H04B1500
    • H04M9/08G10L25/78H04M9/10
    • A technique for suppressing noise in an audio signal is provided. An audio signal is received from an audio input device. A noise level for the audio signal is determined and continuously updated as the audio signal is received. The audio signal is then attenuated according to the relationship between its current energy level and the current noise level. If the audio signal falls below the current noise level, then a constant, maximum attenuation factor is applied to the signal. If the energy of the signal exceeds the noise level but does not exceed a predetermined maximum energy level that is higher than the noise level, then the audio signal is attenuated based on an exponential attenuation function. If the audio signal exceeds the predetermined maximum energy level, then no attenuation is applied. An attack and decay smoothing function dampens the response time of the attenuated output.
    • 提供了一种用于抑制音频信号中的噪声的技术。 从音频输入设备接收音频信号。 音频信号的噪声电平被确定并且随着接收到音频信号而不断更新。 然后根据其当前能量水平和当前噪声水平之间的关系来衰减音频信号。 如果音频信号低于当前噪声电平,则将恒定的最大衰减因子应用于信号。 如果信号的能量超过噪声电平但不超过高于噪声电平的预定最大能级,则音频信号基于指数衰减函数被衰减。 如果音频信号超过预定的最大能级,则不施加衰减。 攻击和衰减平滑功能抑制衰减输出的响应时间。