公开(公告)号：EP3054707B1

公开(公告)日：2018-04-11

申请号：EP14851266.8

申请日：2014-09-19

申请人： Clarion Co., Ltd.

发明人： HASHIMOTO, Takeshi ,  FUKUE, Kazutomo ,  WATANABE, Tetsuo ,  FUJITA, Yasuhiro

IPC分类号： H04R29/00 ,  H04S1/00

CPC分类号： H04R29/001 ,  G01H3/125 ,  G10L21/14 ,  G10L21/18 ,  H04R29/008 ,  H04S1/00 ,  H04S2400/15

摘要： A sound field measuring device (1) obtains frequency characteristics by collecting output sound outputted from a pair of speakers (101a, 101b) installed at a narrow interval. A low-pass filter (22a) extracts low-range components of a first measurement signal. A high-pass filter (22b) extracts mid/high-range components of a second measurement signal different from the first measurement signal. A combined signal generation unit (22c) generates a combined signal by combining the low-range components of the first measurement signal and the mid/high-range components of the second measurement signal. An external output unit (6) outputs the first measurement signal to an audio system (102). A microphone (7) collects the first measurement signal and the combined signal simultaneously outputted from the pair of speakers. A Fourier transform unit (13) obtains the frequency characteristics of a sound field by Fourier transforming the signals collected.

公开(公告)号：EP3261362A1

公开(公告)日：2017-12-27

申请号：EP16752393.5

申请日：2016-02-12

申请人： Clarion Co., Ltd.

发明人： FUKUE, Kazutomo ,  HASHIMOTO, Takeshi ,  WATANABE, Tetsuo ,  KUMAGAI, Takatomi ,  FUJITA, Yasuhiro

IPC分类号： H04R3/04 ,  H03G5/16 ,  H04R3/00 ,  H04S5/02 ,  H04S7/00 ,  G10K15/00

CPC分类号： H03G5/165 ,  G10K15/00 ,  H03G5/16 ,  H04R2499/13 ,  H04S7/301 ,  H04S7/302 ,  H04S7/307

摘要： A sound-field correction device, comprising: a target calculating means that calculates, based on a predetermined sound signal, a target amplitude characteristic targeted for sound-field correction by a parametric equalizer and a plurality of auxiliary target amplitude characteristics having amplitude characteristics approximately equal to or gentler than the target amplitude characteristic; a correction amplitude characteristic calculating means that calculates a correction amplitude characteristic for correcting sound-filed based on the calculated target amplitude characteristic and the plurality of auxiliary target amplitude characteristics; and a setting means that sets the parametric equalizer based on the calculated correction amplitude characteristic.

摘要翻译： 1.一种声场校正装置，其特征在于，具有：目标计算单元，其基于规定的声音信号，计算以参量均衡器为对象的声场校正的目标振幅特性和振幅特性大致相等的多个辅助目标振幅特性 比目标幅度特性更平缓或更柔和; 校正幅度特性计算装置，其基于计算出的目标幅度特性和多个辅助目标幅度特性来计算用于校正声场的校正幅度特性; 以及设置装置，其基于计算出的校正幅度特性来设置参数均衡器。

公开(公告)号：EP3107307A1

公开(公告)日：2016-12-21

申请号：EP15774304.8

申请日：2015-02-20

申请人： Clarion Co., Ltd.

发明人： HASHIMOTO, Takeshi ,  WATANABE, Tetsuo ,  FUJITA, Yasuhiro ,  FUKUE, Kazutomo

IPC分类号： H04R1/00 ,  H04R3/00 ,  H04R3/04

摘要： The present invention provides a vibration audio system for transmitting an audio signal outputted from a sound source to a listener in the form of vibration while reducing output level of the signal and power consumption. The system includes an envelope detection unit (204) for detecting an envelope signal of the audio signal outputted from a sound source, a vibration transmission member for allowing the listener to perceive vibration of a low-frequency sound outputted from a low-frequency output speaker that outputs audio signals, and a frequency conversion unit (205) for generating an audio signal frequency-converted on the basis of resonant frequencies by multiplying the envelope signal by sine waves having the same frequencies as resonance frequencies obtained from an impulse response of the low-frequency output speaker disposed in the vibration transmission member. The audio signal frequency-converted by the frequency conversion unit (205) is outputted from the low-frequency output speaker.

摘要翻译： 本发明提供了一种振动音响系统，用于在降低信号的输出电平和功耗的同时以振动的形式将从声源输出的音频信号发送到收听者。 该系统包括用于检测从声源输出的音频信号的包络信号的包络检测单元（204），用于允许收听者感知从低频输出扬声器输出的低频声音的振动的振动传递构件 输出音频信号的频率转换单元，以及频率转换单元（205），用于通过将包络信号乘以具有与从低频脉冲响应获得的谐振频率相同的频率的正弦波，来生成基于谐振频率进行频率转换的音频信号 - 频率输出扬声器设置在振动传递构件中。 由频率转换单元（205）频率转换的音频信号从低频输出扬声器输出。

公开(公告)号：EP3016412A1

公开(公告)日：2016-05-04

申请号：EP14818103.5

申请日：2014-06-19

申请人： Clarion Co., Ltd.

发明人： HASHIMOTO, Takeshi ,  WATANABE, Tetsuo ,  FUJITA, Yasuhiro ,  FUKUE, Kazutomo

IPC分类号： H04S1/00 ,  G10L19/00 ,  H04S5/02

CPC分类号： H04S7/302 ,  H03H17/0009 ,  H03H17/0213 ,  H03H17/08 ,  H04R3/04 ,  H04R2499/13 ,  H04S1/00 ,  H04S2420/07

摘要： A propagation delay time correction apparatus comprising a means for generating a frequency spectrum signal by performing short-term Fourier transform on an audio signal; a means for setting a propagation delay time for each of a plurality of predetermined frequency bands; a means for calculating a phase control amount for each of the plurality of predetermined frequency bands on a basis of the propagation delay time set for each of the plurality of predetermined frequency bands; a means for generating a phase control signal by smoothing the calculated phase control amount for each of the plurality of predetermined frequency bands; a means for controlling a phase of the frequency spectrum signal for each of the plurality of predetermined frequency bands on a basis of the generated phase control signal; and a means for generating an audio signal on which a propagation delay correction is performed by performing inverse short-term Fourier transform on the frequency spectrum signal of which the phase is controlled for each of the plurality of predetermined frequency bands.

摘要翻译： 一种传播延迟时间校正装置，包括用于通过对音频信号进行短期傅立叶变换来产生频谱信号的装置; 用于设置多个预定频带中的每一个的传播延迟时间的装置; 基于针对所述多个预定频带中的每一个设定的传播延迟时间，计算所述多个预定频带中的每一个的相位控制量的装置; 用于通过对所述多个预定频带中的每一个的所计算的相位控制量进行平滑来产生相位控制信号的装置; 基于所生成的相位控制信号来控制所述多个预定频带中的每一个的所述频谱信号的相位的装置; 以及用于生成音频信号的装置，通过对对于多个预定频带中的每一个频带控制相位的频谱信号执行反向短期傅立叶变换，进行传播延迟校正。

公开(公告)号：EP2827330A1

公开(公告)日：2015-01-21

申请号：EP13760657.0

申请日：2013-01-23

申请人： Clarion Co., Ltd.

发明人： HASHIMOTO, Takeshi ,  WATANABE, Tetsuo

IPC分类号： G10L21/0364 ,  H04R3/04

CPC分类号： G10L21/057 ,  G10H1/0091 ,  G10H1/02 ,  G10H2210/281 ,  G10K11/175 ,  G10L19/025 ,  G10L21/02 ,  G10L21/0364 ,  H04R3/04 ,  H04R2227/007

摘要： Provided is an acoustic signal processing device for producing an output sound meeting listener's preferences by adjusting attack sound, reverberation, and noise component. The device includes: an FFT section for transforming an input audio signal from a time-domain to a frequency-domain to calculate a frequency spectrum signal and for generating a first amplitude spectrum signal and a phase spectrum signal; an attack component controller (10) for controlling an attack component of the first amplitude spectrum signal to generate a second amplitude spectrum signal; a reverberation component controller (20) for controlling a reverberation component of the first amplitude spectrum signal to generate a third amplitude spectrum signal; a first adding section (40) for synthesizing the first amplitude spectrum signal, the second amplitude spectrum signal, and the third amplitude spectrum signal to generate a fourth amplitude spectrum signal; and an IFFT section for generating an audio signal transformed from a frequency domain to a time domain based on the fourth amplitude spectrum signal and the phase spectrum signal generated by the FFT section.

摘要翻译： 提供了一种用于通过调整攻击声，混响和噪声成分来产生满足收听者偏好的输出声音的声学信号处理装置。 该装置包括：FFT部分，用于将输入音频信号从时域变换到频域以计算频谱信号并且用于生成第一幅度谱信号和相位谱信号; （10），用于控制第一幅度谱信号的起始分量以产生第二幅度谱信号; 混响分量控制器（20），用于控制第一幅度谱信号的混响分量以产生第三幅度谱信号; 第一加法部分（40），用于合成第一幅度谱信号，第二幅度谱信号和第三幅度谱信号以产生第四幅度谱信号; 以及IFFT部分，用于基于由所述FFT部分生成的所述第四幅度谱信号和所述相位谱信号来生成从频域变换到时域的音频信号。