专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

21. 发明授权

US08352280B2 Scalable multi-channel audio coding 有权
标题翻译：可扩展的多声道音频编码
公开(公告)号：US08352280B2
公开(公告)日：2013-01-08
申请号：US13226525
申请日：2011-09-07
申请人： Francois Philippus Myburg , Erik Gosuinus Petrus Schuijers
发明人： Francois Philippus Myburg , Erik Gosuinus Petrus Schuijers
IPC分类号： G10L19/00
CPC分类号： G10L19/24 , G10L19/008
摘要： An audio encoder adapted to encode a multi-channel audio signal. The encoder comprises an encoder combination module (ECM) for generating a dominant signal part and a residual signal part being a combined representation of first and second audio signals, the dominant and residual signal parts being obtained by applying a mathematical procedure to the first and second audio signals. The mathematical procedure involves a spatial parameter comprising a description of spatial properties of the first and second audio signals. Embodiments include a plurality of interconnected encoder combination module, so that e.g. six independent 5.1 format audio signals can be encoded to a single or two dominant signal parts and a number of parameter sets and residual signal parts.
摘要翻译：一种适于对多声道音频信号进行编码的音频编码器。编码器包括用于产生主要信号部分的编码器组合模块（ECM）和作为第一和第二音频信号的组合表示的残余信号部分，主要和残余信号部分通过将数学过程应用于第一和第二音频信号数学过程涉及包括对第一和第二音频信号的空间属性的描述的空间参数。实施例包括多个互连的编码器组合模块，六个独立的5.1格式音频信号可以编码为一个或两个主要信号部分和多个参数集和残余信号部分。

22. 发明授权

US08254585B2 Stereo coding and decoding method and apparatus thereof 有权
标题翻译：立体声编码和解码方法及装置
公开(公告)号：US08254585B2
公开(公告)日：2012-08-28
申请号：US12623676
申请日：2009-11-23
申请人： Erik Gosuinus Petrus Schuijers , Dirk Jeroen Breebaart , Francois Philippus Myburg , Leon Maria Van De Kerkhof
发明人： Erik Gosuinus Petrus Schuijers , Dirk Jeroen Breebaart , Francois Philippus Myburg , Leon Maria Van De Kerkhof
IPC分类号： H04R5/00
CPC分类号： G10L19/02 , G10L19/008 , H04S3/008 , H04S2420/03
摘要： A method of encoding input signals (l, r) to generate encoded data (100) is provided. The method involves processing the input signals (l, r) to determine first parameters (φ1, φ2) describing relative phase difference and temporal difference between the signals (l, r), and applying these first parameters (φ1, φ2) to process the input signals to generate intermediate signals. The method involves processing the intermediate signals to determine second parameters (α; IID, ρ) describing angular rotation of the first intermediate signals to generate a dominant signal (m) and a residual signal (s), the dominant signal (m) having a magnitude or energy greater than that of the residual signal (s). These second parameters are applicable to process the intermediate signals to generate the dominant (m) and residual (s) signals. The method also involves quantizing the first parameters, the second parameters, and dominant and residual signals (m, s) to generate corresponding quantized data for subsequent multiplexing to generate the encoded data (100).
摘要翻译：提供了编码输入信号（l，r）以生成编码数据（100）的方法。该方法包括处理输入信号（1，r）以确定描述信号（1，r）之间的相对相位差和时间差的第一参数（＆phgr; 1，＆phgr; 2），并应用这些第一参数，＆phgr; 2）处理输入信号以产生中间信号。该方法包括处理中间信号以确定描述第一中间信号的角旋转的第二参数（α; IID，＆rgr），以产生主要信号（m）和残余信号，主信号（m）具有大于残余信号的幅度或能量。这些第二参数适用于处理中间信号以产生主（m）和残留信号。该方法还包括量化第一参数，第二参数以及显性和残留信号（m，s）以产生对应的量化数据用于随后的多路复用以产生编码数据（100）。

23. 发明授权

US08170871B2 Signal coding and decoding 有权
标题翻译：信号编码和解码
公开(公告)号：US08170871B2
公开(公告)日：2012-05-01
申请号：US12900722
申请日：2010-10-08
申请人： Francois Philippus Myburg , Dirk Jeroen Breebaart , Erik Gosuinus Petrus Schuijers
发明人： Francois Philippus Myburg , Dirk Jeroen Breebaart , Erik Gosuinus Petrus Schuijers
IPC分类号： G10L21/02
CPC分类号： G10L19/008
摘要： An encoding device (1) and method convert a set of signals (l, r) into a dominant signal (m) containing most signal energy, a residual signal (s) containing a remainder of the signal energy, and signal parameters (IID, ICC) associated with the conversion. The dominant signal (m) and selected parts of the residual signal (s) are encoded. Selecting parts of the residual signal involves a residual signal (s′) passing perceptually relevant parts of the residual signal (s), attenuating perceptually less relevant parts of the residual signal and suppressing least relevant parts of the residual signal. An associated decoding device (2) and method decode the encoded dominant signal and the encoded residual signal so as to produce a decoded dominant signal (m′u) and a decoded residual signal (s′mod) respectively. A synthetic residual signal (s′syn) is derived from the decoded dominant signal (m′u) and is attenuated so as to produce an attenuated synthetic residual signal (s′syn,mod). The attenuated synthetic residual signal (s′syn,mod) and the decoded residual signal (s′mod) are combined to produce a reconstructed residual signal (s′). The decoded dominant signal (m′) and the reconstructed residual signal (s′) are then converted into a set of output signals (l′, r′).
摘要翻译：一种编码装置（1）和方法，将一组信号（1，r）转换成包含大多数信号能量的显性信号（m），包含信号能量的剩余部分的残余信号和信号参数（IID， ICC）与转换相关联。对主要信号（m）和剩余信号的选定部分进行编码。选择残余信号的部分包括通过残留信号的感知相关部分的残留信号（s'），衰减感知上较少的残余信号的相关部分并抑制残留信号的最小相关部分。相关联的解码装置（2）和方法对编码的主导信号和编码的残余信号进行解码，以分别产生解码的主导信号（m'u）和解码的残余信号（s'mod）。合成残差信号（s'syn）从解码的主导信号（m'u）导出，并被衰减，以产生衰减的合成残差信号（s'syn，mod）。衰减的合成残差信号（s'syn，mod）和解码的残留信号（s'mod）被组合以产生重建的残余信号（s'）。解码后的主导信号（m'）和重建的残余信号（s'）然后被转换成一组输出信号（1'，r'）。

24. 发明授权

US07835918B2 Encoding and decoding a set of signals 有权
标题翻译：对一组信号进行编码和解码
公开(公告)号：US07835918B2
公开(公告)日：2010-11-16
申请号：US11718239
申请日：2005-10-31
申请人： Francois Philippus Myburg , Dirk Jeroen Breebaart , Erik Gosuinus Petrus Schuijers
发明人： Francois Philippus Myburg , Dirk Jeroen Breebaart , Erik Gosuinus Petrus Schuijers
IPC分类号： G10L19/00
CPC分类号： G10L19/008
摘要： An encoding device (1) and method convert a set of signals (l, r) into a dominant signal (m) containing most signal energy, a residual signal (s) containing a remainder of the signal energy, and signal parameters (IID, ICC) associated with the conversion. The dominant signal (m) and selected parts of the residual signal (s) are encoded. Selecting parts of the residual signal involves a residual signal (s′) passing perceptually relevant parts of the residual signal (s), attenuating perceptually less relevant parts of the residual signal and suppressing least relevant parts of the residual signal. An associated decoding device (2) and method decode the encoded dominant signal and the encoded residual signal so as to produce a decoded dominant signal (m′u) and a decoded residual signal (s′mod) respectively. A synthetic residual signal (s′Syn) is derived from the decoded dominant signal (m′u) and is attenuated so as to produce an attenuated synthetic residual signal (S′Syn,mod). The attenuated synthetic residual signal (Ssyn,mod) and the decoded residual signal (S′mod) are combined to produce a reconstructed residual signal (s′). The decoded dominant signal (m′) and the reconstructed residual signal (s′) are then converted into a set of output signals (l′, r′).
摘要翻译：一种编码装置（1）和方法，将一组信号（1，r）转换成包含大多数信号能量的显性信号（m），包含信号能量的剩余部分的残余信号和信号参数（IID， ICC）与转换相关联。对主要信号（m）和剩余信号的选定部分进行编码。选择残余信号的部分包括通过残留信号的感知相关部分的残留信号（s'），衰减感知上较少的残余信号的相关部分并抑制残留信号的最小相关部分。相关联的解码装置（2）和方法对编码的主导信号和编码的残余信号进行解码，以分别产生解码的主导信号（m'u）和解码的残余信号（s'mod）。合成残差信号（s'Syn）从解码的主导信号（m'u）导出，并被衰减，以产生衰减的合成残差信号（S'Syn，mod）。衰减的合成残差信号（Ssyn，mod）和解码的残留信号（S'mod）被组合以产生重建的残余信号（s'）。解码后的主导信号（m'）和重建的残余信号（s'）然后被转换成一组输出信号（1'，r'）。

25. 发明申请

US20100023335A1 LOW COMPLEXITY PARAMETRIC STEREO DECODER 有权
标题翻译：低复杂参数立体声解码器
公开(公告)号：US20100023335A1
公开(公告)日：2010-01-28
申请号：US12525772
申请日：2008-02-04
申请人： Marek Zbigniew Szczerba , Erik Gosuinus Petrus Schuijers , Paulus Henricus Antonius Dillen
发明人： Marek Zbigniew Szczerba , Erik Gosuinus Petrus Schuijers , Paulus Henricus Antonius Dillen
IPC分类号： G10L19/00
CPC分类号： H04R5/04 , G10L19/008 , G10L19/093 , G10L19/16
摘要： A stereo audio decoder with low complexity is provided. A high stereo sound quality can be obtained with a limited computational power and is thus suitable for miniature and mobile equipment. The stereo decoder generates a set of stereo output channels (C1, C2) in response to a parametric audio input including signal parameters (S1) and stereo related parameters (X1). A parameter processor (M) generates two different set of parameters (P1, P2) based on the input signal parameters (S1) thus up-mixing the signal parameters (S1) by altering or manipulating the signal parameters (S1) corresponding to the stereo related parameters (X1). The two different parameters (P1, P2) are finally synthesized by separate signalsynthesizers (SS1, SS2) to form respective stereo output channels (C1, C2). Since the stereo decoding can be performed in the parameter domain instead of the spectral domain, the required computational burden is reduced compared to what is known in prior art. Preferably the signalsynthesizers (SS1, SS2) are sinusoidal synthesizers, and preferably the decoder also includes transient and noise synthesizers to generate transient and noise signal portions to be applied to the stereo output channels (C1, C2). Further, different transient and noise signal portions to the output channels (C1, C2) may be provided by applying different gains based on the stereorelated parameter (X1). In preferred embodiments the two parameters (P1, P2) are determined from a current as well as a previous signal parameter input, e.g. by means of an input delay line.
摘要翻译：提供了一种低复杂度的立体声音频解码器。可以以有限的计算能力获得高立体声音质，因此适合于微型和移动设备。立体声解码器响应于包括信号参数（S1）和立体声相关参数（X1）的参数音频输入而产生一组立体声输出声道（C1，C2）。参数处理器（M）基于输入信号参数（S1）产生两组不同的参数（P1，P2），从而通过改变或操纵对应于立体声的信号参数（S1）来上变频信号参数（S1）相关参数（X1）。两个不同的参数（P1，P2）最后由分离的信号合成器（SS1，SS2）合成以形成相应的立体声输出通道（C1，C2）。由于可以在参数域而不是频域执行立体声解码，与现有技术中已知的相比，减少了所需的计算负担。优选地，信号合成器（SS1，SS2）是正弦合成器，并且优选地，解码器还包括瞬态和噪声合成器，以产生要施加到立体声输出通道（C1，C2）的瞬态和噪声信号部分。此外，可以通过基于立体定向参数（X1）应用不同的增益来提供到输出通道（C1，C2）的不同的瞬态和噪声信号部分。在优选实施例中，两个参数（P1，P2）由当前以及先前的信号参数输入（例如，通过输入延迟线。

26. 发明申请

US20090252338A1 SWEET SPOT MANIPULATION FOR A MULTI-CHANNEL SIGNAL 有权
标题翻译：用于多通道信号的小样点播操作
公开(公告)号：US20090252338A1
公开(公告)日：2009-10-08
申请号：US12440599
申请日：2007-09-10
申请人： Jeroen Gerardus Henricus Koppens , Erik Gosuinus Petrus Schuijers
发明人： Jeroen Gerardus Henricus Koppens , Erik Gosuinus Petrus Schuijers
IPC分类号： H04R5/00 , G10L21/00
CPC分类号： H04S7/30 , H04S7/00 , H04S2420/03
摘要： An apparatus, such as a decoder is arranged to modify the sweet-spot of a spatial M-channel audio signal by modifying spatial parameters. Specifically, a receiver (201) receives an N-channel audio signal where N
摘要翻译：诸如解码器的装置被布置成通过修改空间参数来修改空间M声道音频信号的甜点。具体地说，接收机（201）接收N

27. 发明授权

US07542896B2 Audio coding/decoding with spatial parameters and non-uniform segmentation for transients 失效
标题翻译：具有空间参数的音频编码/解码和瞬态的非均匀分割
公开(公告)号：US07542896B2
公开(公告)日：2009-06-02
申请号：US10520872
申请日：2003-07-01
申请人： Erik Gosuinus Petrus Schuijers , Arnoldus Werner Johannes Oomen
发明人： Erik Gosuinus Petrus Schuijers , Arnoldus Werner Johannes Oomen
IPC分类号： G10L19/00 , G10L21/04
CPC分类号： G10L19/008 , H04S3/00 , H04S2420/03
摘要： In binaural stereo coding, only one monaural channel is encoded. An additional layer holds the parameters to retrieve the left and right signal. An encoder is disclosed which links transient information extracted from the mono encoded signal to parametric multi-channel layers to provide increased performance. Transient positions can either be directly derived from the bit-stream or be estimated from other encoded parameters (e.g. window-switching flag in mp3).
摘要翻译：在双耳立体声编码中，只有一个单声道通道被编码。附加层保存参数以检索左和右信号。公开了一种编码器，其将从单声道编码信号提取的瞬态信息链接到参数多通道层，以提供更高的性能。瞬态位置可以直接从比特流导出，也可以从其他编码参数（例如mp3中的窗口切换标志）估计。

28. 发明申请

US20090063140A1 ENCODING AND DECODING OF AUDIO SIGNALS USING COMPLEX-VALUED FILTER BANKS 有权
标题翻译：使用复合过滤器银行编码和解码音频信号
公开(公告)号：US20090063140A1
公开(公告)日：2009-03-05
申请号：US11718238
申请日：2005-10-31
申请人： Lars Falck Villemoes , Erik Gosuinus Petrus Schuijers
发明人： Lars Falck Villemoes , Erik Gosuinus Petrus Schuijers
IPC分类号： G10L19/00 , G10L21/04
CPC分类号： G10L19/0204
摘要： An encoder (109) comprises a receiver (201) which receives a time domain audio signal. A filter bank (203) generates a first subband signal from the time domain audio signal where the first subband signal corresponds to a non-critically sampled complex subband domain representation of the time domain signal. A conversion processor (205) generates a second subband signal from the first subband signal by subband processing. The second subband signal corresponds to a critically sampled complex subband domain representation of the time domain audio signals. An encode processor (207) then generates a waveform encoded data stream by encoding data values of the second subband signal. The conversion processor (205) generates the second subband signal by direct subband conversion without converting back to the time domain. The invention allows an oversampled subband signal typically generated in parametric encoding to be waveform encoded with reduced complexity. A decoder performs the inverse operation.
摘要翻译：编码器（109）包括接收时域音频信号的接收机（201）。滤波器组（203）从时域音频信号产生第一子带信号，其中第一子带信号对应于时域信号的非临时采样的复子带域表示。转换处理器（205）通过子带处理从第一子带信号产生第二子带信号。第二子带信号对应于时域音频信号的批次采样的复数子带域表示。然后，编码处理器（207）通过对第二子带信号的数据值进行编码来生成波形编码数据流。转换处理器（205）通过直接子带转换产生第二子带信号而不转换回时域。本发明允许通常在参数编码中产生的过采样子带信号以降低的复杂度进行波形编码。解码器执行逆运算。

29. 发明授权

US08588440B2 Sweet spot manipulation for a multi-channel signal 有权
标题翻译：多通道信号的甜点操作
公开(公告)号：US08588440B2
公开(公告)日：2013-11-19
申请号：US12440599
申请日：2007-09-10
申请人： Jeroen Gerardus Henricus Koppens , Erik Gosuinus Petrus Schuijers
发明人： Jeroen Gerardus Henricus Koppens , Erik Gosuinus Petrus Schuijers
IPC分类号： H04R5/02 , H04R5/00
CPC分类号： H04S7/30 , H04S7/00 , H04S2420/03
摘要： An apparatus, such as a decoder is arranged to modify the sweet-spot of a spatial M-channel audio signal by modifying spatial parameters. Specifically, a receiver (201) receives an N-channel audio signal where N
摘要翻译：诸如解码器的装置被布置成通过修改空间参数来修改空间M声道音频信号的甜点。具体地说，接收机（201）接收N

30. 发明申请

US20130272527A1 AUDIO SYSTEM AND METHOD OF OPERATION THEREFOR 有权
标题翻译：音频系统及其操作方法
公开(公告)号：US20130272527A1
公开(公告)日：2013-10-17
申请号：US13989420
申请日：2012-01-03
申请人： Arnoldus Werner Johannes Oomen , Dirk Jeroen Breebaart , Jeroen Gerardus Henricus Koppens , Erik Gosuinus Petrus Schuijers
发明人： Arnoldus Werner Johannes Oomen , Dirk Jeroen Breebaart , Jeroen Gerardus Henricus Koppens , Erik Gosuinus Petrus Schuijers
IPC分类号： H04R5/04
CPC分类号： H04R5/04 , G10K15/12 , H04S3/004 , H04S2420/01
摘要： An audio system comprises a receiver (301) for receiving an audio signal, such as an audio object or a signal of a channel of a spatial multi-channel signal. A binaural circuit (303) generates a binaural output signal by processing the audio signal. The processing is representative of a binaural transfer function providing a virtual sound source position for the audio signal. A measurement circuit (307) generating measurement data indicative of a characteristic of the acoustic environment and a determining circuit (311) determines an acoustic environment parameter in response to the measurement data. The acoustic environment parameter may typically be a reverberation parameter, such as a reverberation time. An adaptation circuit (313) adapts the binaural transfer function in response to the acoustic environment parameter. For example, the adaptation may modify a reverberation parameter to more closely resemble the reverberation characteristics of the acoustic environment.
摘要翻译：音频系统包括用于接收音频信号的接收器（301），诸如音频对象或空间多声道信号的信道的信号。双耳电路（303）通过处理音频信号产生双耳输出信号。该处理代表提供音频信号的虚拟声源位置的双耳传递函数。产生表示声学环境的特性的测量数据的测量电路（307）和确定电路（311）响应于测量数据确定声学环境参数。声学环境参数通常可以是混响参数，例如混响时间。适应电路（313）响应于声学环境参数来适应双耳传递函数。例如，适应可以将混响参数修改为更接近于声学环境的混响特性。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式