NICROPHONE AND VOICE ACTIVITY DETECTION (VAD) CONFIGURATIONS FOR USE WITH COMMUNICATION SYSTEMS

    公开(公告)号:AU2003223359A1

    公开(公告)日:2003-10-13

    申请号:AU2003223359

    申请日:2003-03-27

    Applicant: ALIPHCOM

    Abstract: Communication systems are described, including both portable handset and headset devices, which use a number of microphone configurations to receive acoustic signals of an environment. The microphone configurations include, for example, a two-microphone array including two unidirectional microphones, and a two-microphone array including one unidirectional microphone and one omnidirectional microphone. The communication systems also include Voice Activity Detection (VAD) devices to provide information of human voicing activity. Components of the communications systems receive the acoustic signals and voice activity signals and, in response, automatically generate control signals from data of the voice activity signals. Components of the communication systems use the control signals to automatically select a denoising method appropriate to data of frequency subbands of the acoustic signals. The selected denoising method is applied to the acoustic signals to generate denoised acoustic signals when the acoustic signal includes speech and noise.

    MICROPHONE AND VOICE ACTIVITY DETECTION (VAD) CONFIGURATIONSFOR USE WITH COMMUNICATION SYSTEMS

    公开(公告)号:CA2479758A1

    公开(公告)日:2003-10-09

    申请号:CA2479758

    申请日:2003-03-27

    Applicant: ALIPHCOM

    Abstract: Communication systems are described, including both portable handset and headset devices, which use a number of microphone configurations to receive acoustic signals of an environment. The microphone configurations include, f or example, a two-microphone array including two unidirectional microphones, an d a two-microphone array including one unidirectional microphone and one omnidirectional microphone. The communication systems also include Voice Activity Detection (VAD) devices to provide information of human voicing activity. Components of the communications systems receive the acoustic signals and voice activity signals and, in response, automatically generate control signals from data of the voice activity signals. Components of the communication systems use the control signals to automatically select a denoising method appropriate to data of frequency subbands of the acoustic signals. The selected denoising method is applied to the acoustic signals to generate denoised acoustic signals when the acoustic signal includes speech (101) and noise (102).

    VOICE ACTIVITY DETECTION (VAD) DEVICES AND METHODS FOR USE WITH NOISE SUPPRESSION SYSTEMS
    6.
    发明申请
    VOICE ACTIVITY DETECTION (VAD) DEVICES AND METHODS FOR USE WITH NOISE SUPPRESSION SYSTEMS 审中-公开
    语音活动检测(VAD)装置和使用噪声抑制系统的方法

    公开(公告)号:WO03096031A2

    公开(公告)日:2003-11-20

    申请号:PCT/US0306893

    申请日:2003-03-05

    Applicant: ALIPHCOM

    CPC classification number: G10L25/93 G10L2021/02165 G10L2025/783

    Abstract: Voice Activity Detection (VAD) devices, systems and methods are described for use with signal processing systems to denoise acoustic signals. Components of a signal processing system and/or VAD system receive acoustic signals and voice activity signals. Control signals are automatically generated from data of the voice activity signals. Components of the signal processing system and/or VAD system use the control signals to automatically select a denoising method appropriate to data of frequency subbands of the acoustic signals. The selected denoising method is applied to the acoustic signals to generate denoised acoustic signals.

    Abstract translation: 描述语音活动检测(VAD)设备,系统和方法用于信号处理系统去噪声信号。 信号处理系统和/或VAD系统的组件接收声信号和语音活动信号。 控制信号根据语音活动信号的数据自动生成。 信号处理系统和/或VAD系统的组件使用控制信号来自动选择适合于声信号的频率子带的数据的去噪方法。 将所选择的去噪方法应用于声信号以产生去噪的声信号。

    ACOUSTIC VIBRATION SENSOR
    7.
    发明申请
    ACOUSTIC VIBRATION SENSOR 审中-公开
    声振动传感器

    公开(公告)号:WO2004068464A3

    公开(公告)日:2004-10-14

    申请号:PCT/US2004002634

    申请日:2004-01-30

    CPC classification number: H04R1/46 H04R1/342 H04R19/016

    Abstract: An acoustic vibration sensor (100), also referred to as a speech sensing device, is provided. The acoustic vibration sensor receives speech signals of a human talker and, in response, generates electrical signals representative of human speech. The acoustic vibration sensor includes at least one diaphragm (108) positioned adjacent to a front port (104) and at least one coupler (110). The coupler couples a first set of signals to the diaphragm while isolating the diaphragm from the second set of signals. The coupler includes at least one material with acoustic impedance matched to the acoustic impedance of human skin.

    Abstract translation: 提供了也称为语音感测装置的声音振动传感器(100)。 声音振动传感器接收人讲话者的语音信号,作为响应,产生代表人类语音的电信号。 声音振动传感器包括至少一个邻近前端口(104)和至少一个耦合器(110)定位的隔膜(108)。 耦合器将第一组信号耦合到隔膜,同时将隔膜与第二组信号隔离。 耦合器包括具有与人皮肤的声阻抗匹配的声阻抗的至少一种材料。

    VOICE ACTIVITY DETECTION (VAD) DEVICES AND METHODS FOR USE WITH NOISE SUPPRESSION SYSTEMS
    8.
    发明申请
    VOICE ACTIVITY DETECTION (VAD) DEVICES AND METHODS FOR USE WITH NOISE SUPPRESSION SYSTEMS 审中-公开
    语音活动检测(VAD)装置和使用噪声抑制系统的方法

    公开(公告)号:WO03096031A9

    公开(公告)日:2004-06-10

    申请号:PCT/US0306893

    申请日:2003-03-05

    Applicant: ALIPHCOM

    CPC classification number: G10L25/93 G10L2021/02165 G10L2025/783

    Abstract: Voice Activity Detection (VAD) devices, systems and methods are described for use with signal processing systems to denoise acoustic signals. Components of a signal processing system and/or VAD system receive acoustic signals and voice activity signals. Control signals are automatically generated from data of the voice activity signals. Components of the signal processing system and/or VAD system use the control signals to automatically select a denoising method appropriate to data of frequency subbands of the acoustic signals. The selected denoising method is applied to the acoustic signals to generate denoised acoustic signals.

    Abstract translation: 描述语音活动检测(VAD)设备,系统和方法用于信号处理系统去噪声信号。 信号处理系统和/或VAD系统的组件接收声信号和语音活动信号。 控制信号根据语音活动信号的数据自动生成。 信号处理系统和/或VAD系统的组件使用控制信号来自动选择适合于声信号的频率子带的数据的去噪方法。 将所选择的去噪方法应用于声信号以产生去噪的声信号。

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