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    • 2. 发明授权
    • Audio source tracking arrangement
    • 音源追踪安排
    • US08126183B2
    • 2012-02-28
    • US11966773
    • 2007-12-28
    • Gisle EnstadTrygve Frederik MartonJohan Ludvig Nielsen
    • Gisle EnstadTrygve Frederik MartonJohan Ludvig Nielsen
    • H04N5/232
    • H04N7/15H04N7/142H04R1/02H04R1/34
    • An audio source tracking arrangement, integrated in or connected to a video conference system, for determining a position of a source creating a sound, including: at least an audio signal processing module configured to determine the position of the source creating the sound based on a plurality of audio signals originating from the source respectively captured by a plurality of microphones; and one or more microphone housings, respectively encapsulating at least one of the plurality of microphones, the one or more microphone housings including a cavity in which at least one of the plurality of microphones is localized, an aperture on a surface of the microphone housing, and a channel extending from the cavity to the aperture, wherein the channel and the cavity are dimensioned to form an acoustical amplifier with a frequency response having one or more high frequency peaks in a frequency band of the sound.
    • 一种音频源跟踪装置,集成在或连接到视频会议系统,用于确定创建声音的源的位置,包括:至少一个音频信号处理模块,被配置为基于一个或多个音频信号来确定创建声音的源的位置 源自分别由多个麦克风捕获的源的多个音频信号; 以及分别封装所述多个麦克风中的至少一个麦克风的一个或多个麦克风外壳,所述一个或多个麦克风外壳包括多个麦克风中的至少一个位于其中的空腔,麦克风外壳的表面上的孔, 以及从所述腔延伸到所述孔的通道,其中所述通道和所述腔的尺寸被设计成形成具有在所述声音的频带中具有一个或多个高频峰值的频率响应的声学放大器。
    • 3. 发明申请
    • AUDIO SOURCE TRACKING ARRANGEMENT
    • 音频源跟踪安排
    • US20080174665A1
    • 2008-07-24
    • US11966773
    • 2007-12-28
    • Gisle ENSTADTrygve Frederik MartonJohan Ludvig Nielsen
    • Gisle ENSTADTrygve Frederik MartonJohan Ludvig Nielsen
    • H04N5/232
    • H04N7/15H04N7/142H04R1/02H04R1/34
    • An audio source tracking arrangement, integrated in or connected to a video conference system, for determining a position of a source creating a sound, including: at least an audio signal processing module configured to determine the position of the source creating the sound based on a plurality of audio signals originating from the source respectively captured by a plurality of microphones; and one or more microphone housings, respectively encapsulating at least one of the plurality of microphones, the one or more microphone housings including a cavity in which at least one of the plurality of microphones is localized, an aperture on a surface of the microphone housing, and a channel extending from the cavity to the aperture, wherein the channel and the cavity are dimensioned to form an acoustical amplifier with a frequency response having one or more high frequency peaks in a frequency band of the sound.
    • 一种音频源跟踪装置,集成在或连接到视频会议系统,用于确定创建声音的源的位置,包括:至少一个音频信号处理模块,被配置为基于一个音频信号来确定创建声音的源的位置 源自分别由多个麦克风捕获的源的多个音频信号; 以及分别封装所述多个麦克风中的至少一个麦克风的一个或多个麦克风外壳,所述一个或多个麦克风外壳包括多个麦克风中的至少一个位于其中的空腔,麦克风外壳的表面上的孔, 以及从所述腔延伸到所述孔的通道,其中所述通道和所述腔的尺寸被设计成形成具有在所述声音的频带中具有一个或多个高频峰值的频率响应的声学放大器。
    • 7. 发明授权
    • Arrangement and method for audio source tracking
    • 音频源跟踪的安排和方法
    • US07586513B2
    • 2009-09-08
    • US10819108
    • 2004-04-07
    • Petter MurenTrygve Frederik MartonTom-Ivar Johansen
    • Petter MurenTrygve Frederik MartonTom-Ivar Johansen
    • H04N7/14
    • H04N7/15H04R27/00
    • An arrangement and a method of localizing active speakers in a video conference includes a localization device that locates at least one microphone relative to the camera, while the at least one microphone in turn localizes the relative positions of audio sources. As the microphones are usually positioned close to the audio source in a video conference, the ratio of the distance between microphones relative to the distance between table microphone and audio source is reduced. Thus, the microphones are able to determine the positions of the audio sources with a higher resolution than if placed close to the camera. When the respective positions of the microphones relative to the camera and the audio source are known, the position of the audio source relative to the camera is then determined by means of geometrical calculations.
    • 在视频会议中定位主动扬声器的布置和方法包括定位设备,其定位相对于照相机的至少一个麦克风,而至少一个麦克风又使音频源的相对位置定位。 由于麦克风通常位于视频会议中靠近音频源的位置,麦克风之间的距离相对于桌麦克风和音频源之间的距离的比例将会降低。 因此,麦克风能够以比放置在相机附近更高的分辨率来确定音频源的位置。 当麦克风相对于相机和音频源的相应位置是已知的时,音频源相对于相机的位置然后通过几何计算来确定。
    • 8. 发明授权
    • Toroid microphone apparatus
    • 环形麦克风设备
    • US08259959B2
    • 2012-09-04
    • US12637444
    • 2009-12-14
    • Trygve Frederik MartonLennart Burenius
    • Trygve Frederik MartonLennart Burenius
    • H04R3/00
    • H04R3/005H04N7/142H04R2201/405
    • A video teleconferencing directional microphone includes two microphone elements arranged coincidentally on a vertical axis. The two microphone elements are placed on a supporting surface so that a first microphone element is on the surface, and the second microphone elements are elevated above the supporting surface. The directional microphone also includes filters, an adder assembly, and an equalizer, which are used to shape the directivity pattern of the directional microphone into a toroid sensitivity pattern. The toroid sensitivity pattern increases sensitivity in the direction of a sound source of interest, while simultaneously reduces sensitivity to any sound waves generated by noise sources from certain elevation angles.
    • 视频电话会议定向麦克风包括在垂直轴上巧合布置的两个麦克风元件。 两个麦克风元件被放置在支撑表面上,使得第一麦克风元件在表面上,并且第二麦克风元件在支撑表面上方升高。 定向麦克风还包括滤波器,加法器组件和均衡器,其用于将定向麦克风的方向性图案成形为环形灵敏度图案。 环形灵敏度图案增加了感兴趣的声源方向的灵敏度,同时降低了由某些仰角产生的噪声源产生的声波的灵敏度。
    • 9. 发明授权
    • Elevated toroid microphone apparatus
    • 高架环形麦克风设备
    • US08472640B2
    • 2013-06-25
    • US12645701
    • 2009-12-23
    • Trygve Frederik Marton
    • Trygve Frederik Marton
    • H04R3/00
    • H04R3/005H04M3/56H04R1/406H04R2201/403H04R2201/405H04R2430/03H04R2430/20
    • A video teleconferencing directional microphone includes three microphone elements arranged coincidentally on a vertical axis. The three microphone elements are placed on a supporting surface so that a first microphone element is on the surface, and the second and third microphone elements are elevated above the supporting surface. The directional microphone also includes three filters, a summing node, and an equalizer, which are used to shape the directivity pattern of the directional microphone into an elevated toroid sensitivity pattern. The elevated toroid sensitivity pattern increases sensitivity in the direction of a sound source of interest, but reduces sensitivity to any sound waves generated by noise sources at other locations.
    • 视频电话会议定向麦克风包括三个麦克风元件,它们在垂直轴上巧妙地布置。 三个麦克风元件被放置在支撑表面上,使得第一麦克风元件在表面上,并且第二和第三麦克风元件在支撑表面上方升高。 定向麦克风还包括三个滤波器,一个求和节点和一个均衡器,用于将定向麦克风的方向性图案形成升高的环形灵敏度模式。 升高的环形灵敏度图案增加了感兴趣的声源的方向的灵敏度,但降低了对在其他位置处的噪声源产生的任何声波的敏感度。
    • 10. 发明授权
    • Microphone
    • 麦克风
    • US07412066B2
    • 2008-08-12
    • US10922793
    • 2004-08-20
    • Peter MurenTrygve Frederik Marton
    • Peter MurenTrygve Frederik Marton
    • H04R25/00
    • H04R9/08H04R9/16
    • A sound recording and/or sound reproducing part loosely anchored/connected to a second part wherein the sound recording and/or sound reproducing part is levitated on a magnetic field. The sound recording and/or sound reproducing part and the second part in combination forms a first sound recording and/or sound reproducing device. The sound recording and/or sound reproducing part can be used within on or more of the following devices; a loud speaking telephone, a telephone, wireless communication equipment, a mobile phone, a Bluetooth device, a videoconference terminal, a hearing aid or active ear protection equipment.
    • 声音记录和/或声音再现部分松散地锚固/连接到第二部分,其中声音记录和/或声音再现部分在磁场上悬浮。 录音和/或声音再现部分和第二部分组合形成第一声音记录和/或声音再现装置。 录音和/或声音再现部分可以在以下装置的一个或多个上使用; 大声电话,电话,无线通信设备,移动电话,蓝牙设备,视频会议终端,助听器或主动耳朵保护设备。