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    • 4. 发明申请
    • DISTRIBUTED SIGNAL PROCESSING SYSTEMS AND METHODS
    • 分布式信号处理系统和方法
    • US20120087512A1
    • 2012-04-12
    • US12902907
    • 2010-10-12
    • Amir SaidTon KalkerMajid Fozunbal
    • Amir SaidTon KalkerMajid Fozunbal
    • H04R3/00
    • H04R3/005G01S3/808H04R1/406H04R2201/403H04R2420/07
    • Systems and methods for parallel and distributed processing of audio signals produced by a microphone array are described. In one aspect, a distributed signal processing system includes an array of microphones and an array of processors. Each processor is connected to one of the microphones and is connected to at least two other processors, enabling communication between adjacent connected processors. The system also includes a computing device connected to each of the processors. Each microphone detects a sound and generates an audio signal, and each processor is configured to receive and process the audio signal sent from a connected microphone and audio signals sent from at least one of the adjacent processors to produce a data stream that is sent to the computing device.
    • 描述了由麦克风阵列产生的音频信号并行和分布式处理的系统和方法。 在一个方面,分布式信号处理系统包括麦克风阵列和处理器阵列。 每个处理器连接到一个麦克风,并且连接到至少两个其他处理器,实现相邻连接的处理器之间的通信。 该系统还包括连接到每个处理器的计算设备。 每个麦克风检测声音并产生音频信号,并且每个处理器被配置为接收和处理从连接的麦克风发送的音频信号和从至少一个相邻处理器发送的音频信号,以产生发送到 计算设备。
    • 5. 发明申请
    • DISTRIBUTED SIGNAL PROCESSING OF IMMERSIVE THREE-DIMENSIONAL SOUND FOR AUDIO CONFERENCES
    • 用于音频会议的三维声音分配信号处理
    • US20110026745A1
    • 2011-02-03
    • US12533260
    • 2009-07-31
    • Amir SaidTon Kalker
    • Amir SaidTon Kalker
    • H04R5/02
    • H04S1/002H04S1/005H04S2420/01
    • Embodiments of the present invention are directed to audio-conference communication systems that enable audio-conference participants to identify which of the participants are speaking. In one embodiment, an audio-communication system comprises at least one communications server, a plurality of stereo sound generating devices, and a plurality of microphones. Each stereo sound generating device is electronically coupled to the at least one communications server, and each microphone is electronically coupled to the at least one communications server. Each microphone detects different sounds that are sent to the at least one communications server as corresponding sound signals. The at least one communications server converts the sound signals into corresponding stereo signals that when combined and played over each of stereo sound generating devices creates an impression for a person listing to any one of the stereo sound generating devices that each of the sounds emanates from a different virtual location in three-dimensional space.
    • 本发明的实施例涉及音频会议通信系统,其使得音频会议参与者能够识别哪个参与者正在说话。 在一个实施例中,音频通信系统包括至少一个通信服务器,多个立体声产生装置和多个麦克风。 每个立体声产生装置电子耦合到至少一个通信服务器,并且每个麦克风电子耦合到至少一个通信服务器。 每个麦克风检测发送到至少一个通信服务器的不同声音作为对应的声音信号。 所述至少一个通信服务器将声音信号转换成对应的立体声信号,当在每个立体声产生装置上组合和播放时,将为每个声音发出的每个声音产生装置的人员列表创建一个印象 不同的虚拟位置在三维空间。
    • 6. 发明授权
    • Distributed signal processing systems and methods
    • 分布式信号处理系统和方法
    • US08515094B2
    • 2013-08-20
    • US12902907
    • 2010-10-12
    • Amir SaidTon KalkerMajid Fozunbal
    • Amir SaidTon KalkerMajid Fozunbal
    • H04R3/00
    • H04R3/005G01S3/808H04R1/406H04R2201/403H04R2420/07
    • Systems and methods for parallel and distributed processing of audio signals produced by a microphone array are described. In one aspect, a distributed signal processing system includes an array of microphones and an array of processors. Each processor is connected to one of the microphones and is connected to at least two other processors, enabling communication between adjacent connected processors. The system also includes a computing device connected to each of the processors. Each microphone detects a sound and generates an audio signal, and each processor is configured to receive and process the audio signal sent from a connected microphone and audio signals sent from at least one of the adjacent processors to produce a data stream that is sent to the computing device.
    • 描述了由麦克风阵列产生的音频信号并行和分布式处理的系统和方法。 在一个方面,分布式信号处理系统包括麦克风阵列和处理器阵列。 每个处理器连接到一个麦克风,并且连接到至少两个其他处理器,实现相邻连接的处理器之间的通信。 该系统还包括连接到每个处理器的计算设备。 每个麦克风检测声音并产生音频信号,并且每个处理器被配置为接收和处理从连接的麦克风发送的音频信号和从至少一个相邻处理器发送的音频信号,以产生发送到 计算设备。
    • 8. 发明申请
    • Methods and systems for robust approximations of impulse reponses in multichannel audio-communication systems
    • 用于多通道音频通信系统中脉冲响应鲁棒逼近的方法和系统
    • US20100272274A1
    • 2010-10-28
    • US12387075
    • 2009-04-28
    • Majid FozunbalTon Kalker
    • Majid FozunbalTon Kalker
    • G10K11/16
    • H04M9/085
    • Proper estimation of impulse responses is an important and challenging aspect of multichannel echo control. Various embodiments of the present invention are directed to real-time, adaptive acoustic echo cancellation methods in multichannel audio-communication systems. In particular, embodiments of the present invention use a collection of a room's past impulse responses to determine an optimal lower dimensional impulse response space as the underlying search subspace for approximate impulse responses. As a result, embodiments of the present invention mitigate inherent instability of multichannel audio-communication systems and provide stable and accurate echo removal without distorting audio signals.
    • 脉冲响应的适当估计是多通道回波控制的一个重要且具有挑战性的方面。 本发明的各种实施例涉及多声道音频通信系统中的实时自适应声学回声消除方法。 具体地,本发明的实施例使用房间过去脉冲响应的集合来确定最佳较低维度脉冲响应空间作为用于近似脉冲响应的底层搜索子空间。 结果,本发明的实施例减轻了多声道音频通信系统的固有不稳定性,并且提供了稳定且准确的回波消除而不会使音频信号失真。