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1. 发明公开

CN1886780A 声音合成和空间化方法无效
公开(公告)号：CN1886780A
公开(公告)日：2006-12-27
申请号：CN200380110958.6
申请日：2003-12-15
申请人：法国电信
发明人：罗泽恩·尼科尔 , 达维德·维雷特 , 马克·埃默里
IPC分类号： G10H1/00
CPC分类号： G10H1/0091 , G10H2210/301 , G10H2250/111
摘要：本发明涉及发自虚拟声源的声音的合成和相关联的空间化。根据本发明，提供一步骤(ETA)，该步骤包括确定一个参数，该参数包括至少一个放大系数(gi)，用于同时确定表示虚拟声源性质的响度和相对于预定原点的声源位置。

2. 发明公开

CN109545174A 一种音频处理方法、装置及设备有权转让
公开(公告)号：CN109545174A
公开(公告)日：2019-03-29
申请号：CN201811599107.7
申请日：2018-12-26
申请人：广州华多网络科技有限公司
发明人：许慎愉 , 胡一峰
IPC分类号： G10H1/32
CPC分类号： G10H1/32 , G10H2250/111 , G10H2250/145 , G10H2250/235
摘要：本申请公开了一种音频处理方法、装置及设备，该方法包括：获取待处理音频；确定针对所述待处理音频的处理音效；调取所述处理音效对应的冲激响；在频域采用所述冲激响应对所述待处理音频进行处理，得到频域形式的处理数据；将所述频域形式的处理数据转换为时域形式的处理数据。通过上述方法，在对音频进行处理时，只需执行一种相同的运算，即采用冲激响应对待处理音频进行处理，将时域上复杂的卷积运算转换为频域的乘法运算，简化了运算程序，节省了音频处理时间，提高了用户的试听体验。

3. 发明公开

CN1337040A 测量和处理声学弦乐器的信号无效
公开(公告)号：CN1337040A
公开(公告)日：2002-02-20
申请号：CN00802809.5
申请日：2000-01-12
申请人：弗雪曼变换器股份有限公司
发明人： I·埃克豪斯 , L·R·菲什曼
IPC分类号： G10H1/12 , G10H3/00
CPC分类号： G10H3/188 , G10H1/125 , G10H3/146 , G10H3/185 , G10H2220/395 , G10H2220/471 , G10H2220/501 , G10H2250/111 , G10H2250/235 , Y10S84/09
摘要：本发明涉及到对作用于弦乐器的力与振动作测量、分解并独特地组合的能力。信号处理系统(48)用多个响应于琴弦的位移、速度、加速度和/或振动能量的传感器(4、5、6)来产生传感器信号,这些信号经信号处理器处理,产生对应于第二弦乐器诸弦之位移、速度、加速度和/或振动测量的再合成信号。该方法引导了测量传感器与结构、处理技术,并且导致重建弦乐器特定的特性。

4. 发明申请

US20160277865A1 METHOD AND APPARATUS FOR PROCESSING AUDIO SIGNAL 审中-公开
标题翻译：处理音频信号的方法和装置
公开(公告)号：US20160277865A1
公开(公告)日：2016-09-22
申请号：US15031275
申请日：2014-10-22
申请人： INDUSTRY-ACADEMIC COOPERATION FOUNDATION, YONSEI UNIVERSITY , WILUS INSTITUTE OF STANDARDS AND TECHNOLOGY INC. , ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
发明人： Taegyu LEE , Hyunoh OH , Youngcheol PARK , Daehee YOUN , Jeongil SEO , Yongju LEE , Seungkwon BEACK , Kyeongok KANG , Daeyoung JANG
IPC分类号： H04S3/00 , G10L19/008
CPC分类号： G10L19/008 , G10H2250/111 , G10H2250/145 , H04R3/00 , H04R5/033 , H04S3/00 , H04S3/002 , H04S3/004 , H04S3/008 , H04S2400/01 , H04S2420/01 , H04S2420/03
摘要： The present invention relates to a method and an apparatus for processing a signal, which are used to effectively reproduce an audio signal, and more particularly, to a method and an apparatus for processing an audio signal, which are used for implementing a filtering for input audio signals with a low computational complexity.To this end, provided are a method for processing an audio signal including: receiving an input audio signal; receiving truncated subband filter coefficients for filtering each subband signal of the input audio signal, the truncated subband filter coefficients being at least a portion of subband filter coefficients obtained from binaural room impulse response (BRIR) filter coefficients for binaural filtering of the input audio signal, the lengths of the truncated subband filter coefficients being determined based on filter order information obtained by at least partially using characteristic information extracted from the corresponding subband filter coefficients, and the truncated subband filter coefficients being constituted by at least one FFT filter coefficient in which fast Fourier transform (FFT) by a predetermined block size in the corresponding subband has been performed; performing the fast Fourier transform of the subband signal based on a predetermined subframe size in the corresponding subband; generating a filtered subframe by multiplying the fast Fourier transformed subframe and the FFT filter coefficients; inverse fast Fourier transforming the filtered subframe; and generating a filtered subband signal by overlap-adding at least one subframe which is inverse fast Fourier transformed and an apparatus for processing an audio signal using the same.
摘要翻译：为此，提供了一种处理音频信号的方法，包括：接收输入音频信号; 接收用于对输入音频信号的每个子带信号进行滤波的截断的子带滤波器系数，截断的子带滤波器系数是从用于输入音频信号的双耳滤波的双耳室脉冲响应（BRIR）滤波器系数获得的子带滤波器系数的至少一部分，基于通过至少部分地使用从相应的子带滤波器系数提取的特征信息获得的滤波器顺序信息来确定截断的子带滤波器系数的长度，并且截断的子带滤波器系数由至少一个FFT滤波器系数构成，其中快速傅里叶已经执行了在相应子带中的预定块大小的变换（FFT）; 基于相应子带中的预定子帧大小执行子带信号的快速傅里叶变换; 通过乘以快速傅里叶变换子帧和FFT滤波器系数来产生滤波后的子帧; 对经滤波的子帧进行快速傅立叶逆变换; 以及通过重叠添加至少一个逆快速傅里叶变换的子帧和使用该子帧处理音频信号的装置来生成滤波后的子带信号。

5. 发明申请

US20060201312A1 Method and electronic device used to synthesise the sound of church organ flue pipes by taking advantage of the physical modelling technique of acoustic instruments 有权
标题翻译：用于通过利用声学仪器的物理建模技术来合成教堂器官烟道的声音的方法和电子装置
公开(公告)号：US20060201312A1
公开(公告)日：2006-09-14
申请号：US10549388
申请日：2004-03-25
申请人： Carlo Zinato
发明人： Carlo Zinato
IPC分类号： G10H7/00 , G10H1/06
CPC分类号： G10H5/10 , G10H1/043 , G10H1/125 , G10H1/16 , G10H5/007 , G10H5/06 , G10H2250/041 , G10H2250/105 , G10H2250/111 , G10H2250/461 , G10H2250/515
摘要： The present invention consists in a method and electronic device used to reproduce the sound of church organ flue pipes, by taking advantage of the physical modeling technique of acoustic instruments; it being an audio-digital synthesis system based on digital signal processors, which contains a programme of physical simulation of the generation of the sound of organ flue pipes.
摘要翻译：本发明是通过利用声学仪器的物理建模技术，用于再现教会器官烟道管的声音的方法和电子设备; 它是一种基于数字信号处理器的音频数字综合系统，其中包含了器官烟道管声音的物理模拟程序。

6. 发明授权

US5587548A Musical tone synthesis system having shortened excitation table 失效
标题翻译：具有缩短激励表的音乐合成系统
公开(公告)号：US5587548A
公开(公告)日：1996-12-24
申请号：US300497
申请日：1994-09-01
申请人： Julius O. Smith, III
发明人： Julius O. Smith, III
IPC分类号： G10H5/00 , G10H5/02
CPC分类号： G10H5/007 , G10H2250/041 , G10H2250/111 , G10H2250/441 , G10H2250/521 , G10H2250/621
摘要： A tone synthesis system employs a filtered delay loop which is excited by an excitation signal. The excitation signal corresponds to a partial impulse response of a body filter to the system which is to be simulated. Additional components of the impulse response of the body filter are imparted to an output from the filtered delay loop. High quality tone synthesis can be achieved without the necessity of providing a complicated body filter.
摘要翻译：音调合成系统采用被激励信号激发的滤波延迟环。激励信号对应于身体过滤器对要被模拟的系统的部分脉冲响应。身体滤波器的脉冲响应的附加分量被赋予来自经滤波的延迟环路的输出。可以在不需要提供复杂的机体滤波器的情况下实现高质量的音调合成。

7. 发明申请

WO2004086353A1 METHOD AND ELECTRONIC DEVICE USED TO SYNTHESISE THE SOUND OF CHURCH ORGAN FLUE PIPES, BY TAKING ADVANTAGE OF THE PHYSICAL MODELLING TECHNIQUE OF ACOUSTIC INSTRUMENTS 审中-公开
标题翻译：方法和电子设备，用于合成教会机械管道的声音，通过获得声学仪器的物理建模技术的优势
公开(公告)号：WO2004086353A1
公开(公告)日：2004-10-07
申请号：PCT/IT2004/000153
申请日：2004-03-25
申请人： VISCOUNT INTERNATIONAL S.P.A. , ZINATO, Carlo
发明人： ZINATO, Carlo
IPC分类号： G10H1/06
CPC分类号： G10H5/10 , G10H1/043 , G10H1/125 , G10H1/16 , G10H5/007 , G10H5/06 , G10H2250/041 , G10H2250/105 , G10H2250/111 , G10H2250/461 , G10H2250/515
摘要： The present invention consists in a method and electronic device used to reproduce the sound of church organ flue pipes, by taking advantage of the physical modeling technique of acoustic instruments; it being an audio-digital synthesis system based on digital signal processors, which contains a program of physical simulation of the generation of the sound of organ flue pipes.
摘要翻译：本发明是通过利用声学仪器的物理建模技术，用于再现教堂器官烟道管的声音的方法和电子装置; 它是一种基于数字信号处理器的音频数字综合系统，其中包含了器官烟道管声音的物理模拟程序。

8. 发明授权

US10019980B1 Distortion and pitch processing using a modal reverberator architecture 有权
公开(公告)号：US10019980B1
公开(公告)日：2018-07-10
申请号：US15201013
申请日：2016-07-01
申请人： Jonathan Abel
发明人： Jonathan Abel
IPC分类号： H03G3/00 , G10K15/12 , G01R23/00 , G10H1/36 , H03H17/02 , G10H5/00 , G10H1/12 , G10H5/02
CPC分类号： G10K15/12 , G01R23/00 , G10H1/125 , G10H1/366 , G10H5/007 , G10H5/02 , G10H2210/281 , G10H2210/311 , G10H2210/325 , G10H2250/111 , H03H17/02
摘要： A reverberator based on a room response modal analysis is adapted to produce distortion, pitch and time manipulation effects, as well as gated and iterated reverberation. An example “modal reverberator” is a parallel collection of resonant filters, with resonance frequencies and dampings tuned to the modal frequencies and decay times of the space or object being simulated. In one example, the resonant filters are implemented as cascades of heterodyning, smoothing, and modulation steps, forming a type of analysis/synthesis architecture. By applying memoryless nonlinearities to the modulating sinusoids, distortion effects are produced, including distortion without intermodulation products. By using different frequencies for the heterodyning and associated modulation operations, pitch manipulation effects are generated, including pitch shifting and spectral “inversion.” By resampling the smoothing filter output, the signal time axis is stretched without introducing pitch changes.

9. 发明授权

US09202450B2 Method and apparatus for impulse response measurement and simulation 有权
标题翻译：用于脉冲响应测量和模拟的方法和装置
公开(公告)号：US09202450B2
公开(公告)日：2015-12-01
申请号：US13554142
申请日：2012-07-20
申请人： Mikko Pekka Vainiala
发明人： Mikko Pekka Vainiala
IPC分类号： H04R29/00 , G10H1/16 , G10H3/18
CPC分类号： G10H1/16 , G10H3/187 , G10H2210/311 , G10H2250/111 , H04R29/001
摘要： A method of measuring an impulse response of an amplifier coupled in operation to a loudspeaker arrangement includes: (a) coupling directly to a connection between the amplifier and the loudspeaker arrangement for obtaining access to a drive signal (Samp) applied to the loudspeaker arrangement to generate an acoustic output (S2); (b) disposing a microphone arrangement for receiving the acoustic output (S2) of the loudspeaker arrangement; (c) using a test signal generator to apply a test signal (Ssw) to an input of the amplifier; and (d) receiving at a digital signal processing arrangement (DSP, 210) at least the drive signal (Samp) and the acoustic output (S2) corresponding to the test signal (Ssw) and performing on these signals a signal processing operation for determining an impulse response for at least one of: the amplifier, the loudspeaker arrangement.
摘要翻译：测量在操作中耦合到扬声器装置的放大器的脉冲响应的方法包括：（a）直接耦合到放大器和扬声器装置之间的连接，以获得对应用于扬声器装置的驱动信号（Samp）的访问产生声输出（S2）; （b）设置用于接收扬声器装置的声输出（S2）的麦克风装置; （c）使用测试信号发生器将测试信号（Ssw）施加到放大器的输入端; 以及（d）至少在数字信号处理装置（DSP，210）处接收对应于测试信号（Ssw）的驱动信号（Samp）和声输出（S2），并对这些信号执行用于确定的信号处理操作对于放大器，扬声器布置中的至少一个的脉冲响应。

10. 发明授权

US06448488B1 Measurement and processing of stringed acoustic instrument signals 有权
标题翻译：弦乐器信号的测量和处理
公开(公告)号：US06448488B1
公开(公告)日：2002-09-10
申请号：US09889444
申请日：2001-07-12
申请人： Ira Ekhaus , Lawrence Fishman
发明人： Ira Ekhaus , Lawrence Fishman
IPC分类号： G10H106
CPC分类号： G10H3/188 , G10H1/125 , G10H3/146 , G10H3/185 , G10H2220/395 , G10H2220/471 , G10H2220/501 , G10H2250/111 , G10H2250/235 , Y10S84/09
摘要： A system and a method of measuring, decomposing, processing and uniquely recombining forces and vibrations acting on stringed musical instruments (SMI). The system utilizes a digital signal processor and reproduces the musical sound characteristics of an acoustic instrument into high fidelity electrical signals for amplification, processing and/or filtering and reproduction of musical sounds by uniquely exploiting, through measurements and subsequent signal processing, the vector nature of string excitation forces (SEF) and body vibrations of stringed musical instruments. A signal processing system of the current invention also utilizes a plurality of sensors, each responsive to at least one of force, displacement, velocity or acceleration indicative of the vibrational energy of the strings, to produce a sensor signal vector, which is then processed and transformed by a plurality of re-creation filters into a transformed signal vector, and then resynthesized into an output signal. The resynthesized output signal be a microphone output signal, may have acoustic characteristics of another SMI or possess acoustic characteristics of a “theoretical” SMI.
摘要翻译：测量，分解，处理和独特重组作用在弦乐器（SMI）上的力和振动的系统和方法。该系统利用数字信号处理器并将声学乐器的音乐声音特征再现为高保真电信号，用于通过测量和随后的信号处理独特地利用测量和随后的信号处理来扩展，处理和/或滤波和再现音乐声音琴弦激发力（SEF）和弦乐器的身体振动。本发明的信号处理系统还利用多个传感器，每个传感器响应于指示弦的振动能量的力，位移，速度或加速度中的至少一个，以产生传感器信号向量，然后将其传送到处理器由多个再创建滤波器变换为变换信号矢量，然后再合成为输出信号。重新合成的输出信号是麦克风输出信号，可以具有另一SMI的声学特性或具有“理论”SMI的声学特性。

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