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1. 发明申请

US20110019832A1 SOUND PROCESSOR, SOUND PROCESSING METHOD AND RECORDING MEDIUM STORING SOUND PROCESSING PROGRAM 有权
标题翻译：声音处理器，声音处理方法和录音中央存储声音处理程序
公开(公告)号：US20110019832A1
公开(公告)日：2011-01-27
申请号：US12860322
申请日：2010-08-20
申请人： Taisuke ITOU , Naoshi Matsuo
发明人： Taisuke ITOU , Naoshi Matsuo
IPC分类号： H04B3/20
CPC分类号： H04M9/082 , G10L2021/02082 , G10L2021/02165 , H04R3/005 , H04R3/02 , H04R2201/401 , H04R2430/03 , H04R2430/20 , H04R2499/13
摘要： A sound processor includes a conversion unit converts a reference sound signal corresponding to a base of sound to be output and an observation sound signal based on each of sound signals output by a plurality of sound receiving units into frequency components, an echo suppression unit estimates echo derived from sound based on a converted reference sound signal and suppressing the estimated echo in a converted observation sound signal, a noise suppression unit estimates noise based on an arrival direction of sound and suppressing the estimated noise in the converted observation sound signal and an integrating process unit suppresses, with respect to each frequency component, echo and noise in the converted sound signal based on a observation sound signal obtained after echo suppression and a observation sound signal obtained after noise suppression.
摘要翻译：声音处理器包括转换单元，将基于要输出的声音的基准的参考声音信号和基于由多个声音接收单元输出的每个声音信号的观测声音信号转换为频率分量，回波抑制单元估计回波基于转换的参考声音信号导出的声音并抑制转换的观测声音信号中的估计回波，噪声抑制单元基于声音的到达方向估计噪声，并抑制转换的观测声音信号中的估计噪声，以及积分处理基于在回波抑制之后获得的观察声音信号和在噪声抑制之后获得的观察声音信号，单位对于每个频率分量抑制转换的声音信号中的回波和噪声。

2. 发明申请

US20100191527A1 ECHO SUPPRESSING SYSTEM, ECHO SUPPRESSING METHOD, RECORDING MEDIUM, ECHO SUPPRESSOR, SOUND OUTPUT DEVICE, AUDIO SYSTEM, NAVIGATION SYSTEM AND MOBILE OBJECT 有权
标题翻译： ECHO抑制系统，ECHO抑制方法，记录介质，ECHO抑制器，声音输出设备，音频系统，导航系统和移动对象
公开(公告)号：US20100191527A1
公开(公告)日：2010-07-29
申请号：US12756768
申请日：2010-04-08
申请人： Naoshi MATSUO , Taisuke ITOU
发明人： Naoshi MATSUO , Taisuke ITOU
IPC分类号： G10L21/02 , H04B3/20
CPC分类号： H04R3/02 , G10L15/20 , G10L2021/02082
摘要： An echo suppressing system includes: a sound output device for outputting sound based on a sound signal, including a passing section for allowing passage of a component of a different frequency band, and a plurality of sound output sections, each of which outputs sound based on each of the plurality of sound signals passed through the passing section; a summer for summing the plurality of sound signals to generate a reference sound signal; a sound input device for converting input sound into a sound signal; and an echo suppressor for suppressing echo based on the sound output by the sound output device, including an input section to which a sound signal is input from the sound input device as an observation sound signal, and a correction section for correcting the observation sound signal so as to suppress echo included in the observation sound signal.
摘要翻译：回波抑制系统包括：声音输出装置，用于输出基于声音信号的声音，包括允许不同频带的分量通过的通过部分和多个声音输出部分，每个声音输出部分基于多个声音信号中的每一个通过通过部分; 用于对所述多个声音信号求和以产生参考声音信号的加法器; 用于将输入声音转换成声音信号的声音输入装置; 以及基于声音输出装置输出的声音抑制回波的回波抑制器，包括从声音输入装置输入声音信号的输入部分作为观察声音信号，以及校正部分，用于校正观察声音信号以抑制观察声信号中包含的回波。

3. 发明申请

US20100215190A1 NOISE SUPPRESSING DEVICE, NOISE SUPPRESSING METHOD, AND RECORDING MEDIUM 有权
标题翻译：噪声抑制装置，噪声抑制方法和记录介质
公开(公告)号：US20100215190A1
公开(公告)日：2010-08-26
申请号：US12710425
申请日：2010-02-23
申请人： Taisuke ITOU
发明人： Taisuke ITOU
IPC分类号： H04B15/00
CPC分类号： G10L21/0208 , G10K11/178 , G10K2210/1282 , G10K2210/3055
摘要： A noise suppressing device includes a plurality of sound input units inputting sounds from a given sound source and converting the sounds to sound signals on a time axis, a transfer characteristic obtaining unit performing frequency transform of the sound signals after dividing the sound signals into frames and calculating respective transfer characteristics of the sounds for each given frequency band, a storage unit storing the calculated transfer characteristics of the sounds, a frequency obtaining unit obtaining a frequency for updating the transfer characteristics stored in the storage unit for the frequency band, an updating unit updating the transfer characteristics every given number of frames corresponding to the obtained frequency based on the transfer characteristics for each frequency band, a generating unit generating suppression information for suppressing the noise component based on the updated transfer characteristics, and a suppression unit suppressing the noise component based on the suppression information.
摘要翻译：噪声抑制装置包括：多个声音输入单元，输入来自给定声源的声音，并将声音转换成时间轴上的声音信号;传送特性获取单元，在将声音信号分割成帧之后对其进行频率变换，计算每个给定频带的声音的各个传送特性，存储所计算的声音的传输特性的存储单元，获得用于更新存储在该频带的存储单元中的传送特性的频率的频率获取单元，更新单元基于每个频带的传送特性来更新与所获得的频率相对应的每个给定数量的帧的传送特性;生成单元，基于更新的传送特性产生用于抑制噪声分量的抑制信息;抑制单元，抑制噪声成分基于抑制信息。

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