公开(公告)号：US20110096631A1

公开(公告)日：2011-04-28

申请号：US12910182

申请日：2010-10-22

申请人： Kazunobu KONDO ,  Kenichi YAMAUCHI ,  Kideki KEMMOCHI

发明人： Kazunobu KONDO ,  Kenichi YAMAUCHI ,  Kideki KEMMOCHI

IPC分类号： G01S1/72

CPC分类号： H04B1/06 ,  H04R1/406 ,  H04R3/005

摘要： In an audio processing device, a target sound emphasizer generates a target sound emphasized component by emphasizing a target sound component contained in a plurality of audio signals generated by a plurality of sound receiving devices. A stereo processor generates a stereo component of a plurality of channels from the plurality of audio signals. A first adjuster adjusts a sound pressure level of the target sound emphasized component according to a first adjustment value, and a second adjuster adjusts a sound pressure level of the stereo component according to a second adjustment value. A variable setter variably sets a zoom value which is changeable between a wide angle side and a telephoto side relative to a target. An adjustment controller controls the first adjustment value according to the zoom value such that the sound pressure level of the target sound emphasized component exponentially decreases as the zoom value changes toward the wide-angle side and controls the second adjustment value according to the zoom value such that the sound pressure level of the stereo component increases as the zoom value changes toward the wide-angle side.

摘要翻译： 在音频处理装置中，目标声音增强器通过强调由多个声音接收装置产生的多个音频信号中包含的目标声音成分来产生目标声音强调分量。 立体声处理器从多个音频信号产生多个声道的立体声分量。 第一调节器根据第一调整值调整目标声音增强分量的声压级，并且第二调节器根据第二调整值调节立体声分量的声压级。 可变设定器可变地设置相对于目标物在广角侧和长焦侧之间可变的变焦值。 调节控制器根据变焦值控制第一调整值，使得目标声音强调成分的声压级随着变焦值向广角侧变化而指数地减小，并且根据变焦值控制第二调整值， 立体声分量的声压级随着变焦值向广角侧变化而增加。

公开(公告)号：US20120106758A1

公开(公告)日：2012-05-03

申请号：US13284199

申请日：2011-10-28

申请人： Jordi BONADA ,  Jordi JANER ,  Ricard MARXER ,  Yasuyuki UMEYAMA ,  Kazunobu KONDO

发明人： Jordi BONADA ,  Jordi JANER ,  Ricard MARXER ,  Yasuyuki UMEYAMA ,  Kazunobu KONDO

IPC分类号： G06F17/00

CPC分类号： G10L21/0272 ,  G10H1/361 ,  G10H2210/066 ,  G10H2210/331 ,  G10H2250/021 ,  G10H2250/031 ,  G10L21/0208 ,  G10L25/90 ,  G10L2021/02087 ,  H04S7/30 ,  H04S7/40 ,  H04S2400/11 ,  H04S2420/07

摘要： A coefficient train processing section, which sequentially generates per unit segment a processing coefficient train for suppressing a target component of an audio signal, includes a basic coefficient train generation section and coefficient train processing section. The basic coefficient train generation section generates a basic coefficient train where basic coefficient values corresponding to frequencies within a particular frequency band range are each set at a suppression value that suppresses the audio signal while coefficient values corresponding to frequencies outside the particular frequency band range are each set at a pass value that maintains the audio signal. The coefficient train processing section generates the processing coefficient train, per unit segment, by changing, to the pass value, each of the coefficient values corresponding to frequencies other than the target component among the coefficient values corresponding to the frequencies within the particular frequency band range.

摘要翻译： 系数列处理部，其顺序地生成用于抑制音频信号的目标分量的处理系数列的每单位段，包括基本系数列生成部和系数列处理部。 基本系数列生成部生成基本系数列，其中对应于特定频带范围内的频率的基本系数值各自被设置为抑制音频信号的抑制值，而对应于特定频带范围外的频率的系数值各自 设置为保持音频信号的通过值。 系数列处理部通过将对应于特定频带范围内的频率的系数值中的与目标分量以外的频率对应的每个系数值变更为通过值，生成每单位分段的处理系数列 。

公开(公告)号：US20080247569A1

公开(公告)日：2008-10-09

申请号：US12062250

申请日：2008-04-03

申请人： Kazunobu KONDO

发明人： Kazunobu KONDO

IPC分类号： H04B15/00

CPC分类号： G10L21/0208

摘要： A noise suppressing apparatus suppresses a noise component of a sound signal which contains the noise component and a signal component. In the apparatus, a frequency analyzing section divides the sound signal into a plurality of frames such that adjacent frames overlap with each other along a time axis, and computes a first spectrum of each frame. A noise suppressing section suppresses a noise component of the first spectrum so as to provide a second spectrum of each frame in which the noise component is suppressed. A frequency specifying section specifies a frequency of a noise component of each frame. A phase controlling section varies a phase of the noise component corresponding to the specified frequency in the second spectrum by a different variation amount each frame. A signal synthesizing section combines the frames after the second spectrum of each frame is processed by the phase controlling section, such that adjacent frames overlap with each other along the time axis so as to output the sound signal.

摘要翻译： 噪声抑制装置抑制包含噪声分量和信号分量的声音信号的噪声分量。 在该装置中，频率分析部将声音信号分割为多个帧，使得相邻的帧沿着时间轴彼此重叠，并且计算出每个帧的第一个频谱。 噪声抑制部抑制第一频谱的噪声分量，以便提供抑制噪声分量的每帧的第二频谱。 频率指定部指定每帧的噪声分量的频率。 相位控制部分使每帧中的与第二频谱中的指定频率相对应的噪声分量的相位变化不同的变化量。 在由相位控制部分处理每帧的第二频谱之后，将信号合成部分组合起来，使得相邻的帧沿时间轴彼此重叠，以输出声音信号。