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31.发明授权公开(公告)号：US10210883B2
公开(公告)日：2019-02-19
申请号：US15428723
申请日：2017-02-09
Applicant: Huawei Technologies Co., Ltd.
Inventor： Juergen Geiger , Peter Grosche
IPC: G10L21/0316 , G10L21/0272 , H04S3/00 , H04S5/00
Abstract: A signal processing apparatus for enhancing a voice component within a multi-channel audio signal comprising a left channel audio signal, a center channel audio signal, and a right channel audio signal, the signal processing apparatus comprising a filter and a combiner; wherein the filter is configured to determine an overall magnitude of the multi-channel audio signal over frequency based on the multi-channel audio signal, to obtain a gain function based on a ratio between a magnitude of the center channel audio signal and the overall magnitude of the multi-channel audio signal, and to weight the left channel audio signal, the center channel audio signal, and the right channel audio signal by the gain function; and wherein the combiner is configured to combine individually the left channel audio signal, the center channel audio signal, and the right channel audio signal with the weighted right channel audio signal.
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公开(公告)号：US10154345B2
公开(公告)日：2018-12-11
申请号：US15626962
申请日：2017-06-19
Applicant: Huawei Technologies Co., Ltd.
Inventor： Christof Faller , Alexis Favrot , Peter Grosche , Yue Lang
Abstract: A microphone arrangement and a method using the microphone arrangement for recording surround sound in a mobile device, where the microphone arrangement comprises a first and a second microphone and arranged at a first distance to each other and configured to obtain a stereo signal, and comprises a third microphone configured to obtain a steering signal together with at least one of the first and second microphone or with a fourth microphone. The microphone arrangement also comprises a processor configured to separate the stereo signal into a front stereo signal and a back stereo signal based on the steering signal.
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公开(公告)号：US09961474B2
公开(公告)日：2018-05-01
申请号：US15362275
申请日：2016-11-28
Applicant: Huawei Technologies Co., Ltd.
Inventor： Christof Faller , Alexis Favrot , Yue Lang , Peter Grosche
CPC classification number: H04S7/306 , H04S1/002 , H04S3/008 , H04S2420/01
Abstract: The disclosure is based on the finding that acoustic near-field transfer functions indicating acoustic near-field propagation channels between loudspeakers and ears of a listener can be employed to pre-process audio signals. Therefore, acoustic near-field distortions of the audio signals can be mitigated. The pre-processed audio signals can be presented to the listener using a wearable frame, wherein the wearable frame comprises the loudspeakers for audio presentation. The disclosure can allow for a high quality rendering of audio signals as well as a high listening comfort for the listener. The disclosure can provide the following advantages. By means of a loudspeaker selection as a function of a spatial audio source direction, cues related to the listener's ears can be generated, making the approach more robust with regard to front/back confusion. The approach can further be extended to an arbitrary number of loudspeaker pairs.
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公开(公告)号：US09949053B2
公开(公告)日：2018-04-17
申请号：US15142024
申请日：2016-04-29
Applicant: Huawei Technologies Co., Ltd.
Inventor： Peter Grosche , Yue Lang
CPC classification number: H04S7/30 , H04S1/002 , H04S1/005 , H04S3/002 , H04S3/004 , H04S2400/01 , H04S2400/03 , H04S2400/05 , H04S2420/01
Abstract: A method for processing an audio signal includes: decomposing an audio signal comprising spatial information into a set of audio signal components; and processing a first subset of the set of audio signal components according to a first processing scheme and processing a second subset of the set of audio signal components according to a second processing scheme different from the first processing scheme, wherein the first subset comprises audio signal components corresponding to at least one frontal signal source and the second subset comprises audio signal components corresponding to at least one ambient signal source; and wherein the second processing scheme is based on crosstalk cancellation.
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Patent Agency Ranking
公开(公告)号：US09838825B2
公开(公告)日：2017-12-05
申请号：US15343709
申请日：2016-11-04
Applicant: Huawei Technologies Co., Ltd.
Inventor： Karim Helwani , Peter Grosche , Yue Lang
CPC classification number: H04S7/303 , G06F3/012 , H04R5/02 , H04R5/04 , H04R2499/11 , H04S3/00 , H04S3/008 , H04S5/005 , H04S7/00 , H04S7/30 , H04S7/305 , H04S2400/01 , H04S2420/01
Abstract: An audio signal processing device for generating a plurality of output signals for a plurality of loudspeakers from an input audio signal comprises a driving function determining unit adapted to determined driving functions of a plurality of loudspeakers for generating a virtual left binaural signal source and a virtual right binaural signal source based upon a position and a directivity of the virtual left binaural signal source, a position and a directivity of the virtual right binaural signal source and positions of the plurality of loudspeakers. Moreover, it comprises a filtering unit adapted to filter a left binaural signal and a right binaural signal using the driving functions of the plurality of loudspeakers resulting in the plurality of output signals. The left binaural signal and the right binaural signal constitute the input audio signal or are derived there from.
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36.发明申请公开(公告)号：US20160286329A1
公开(公告)日：2016-09-29
申请号：US15177994
申请日：2016-06-09
Applicant: Huawei Technologies Co., Ltd.
Inventor： Peter Grosche , Yue Lang
CPC classification number: H04S1/007 , H04R5/02 , H04R5/04 , H04R2203/12 , H04R2499/11 , H04R2499/15 , H04S1/002 , H04S2420/01 , H04S2420/07
Abstract: An apparatus and a method for enhancing a spatial perception of an audio signal are provided creating increased interaural-level differences. To obtain this effect, two dipoles are used: one for producing a left audio signal and one for producing a right audio signal.
Abstract translation: 提供了用于增强音频信号的空间感知的装置和方法，其产生增加的心律间水平差异。 为了获得这种效果，使用两个偶极子：一个用于产生左音频信号，一个用于产生正确的音频信号。
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公开(公告)号：US20160249151A1
公开(公告)日：2016-08-25
申请号：US15142024
申请日：2016-04-29
Applicant: Huawei Technologies Co., Ltd.
Inventor： Peter Grosche , Yue Lang
CPC classification number: H04S7/30 , H04S1/002 , H04S1/005 , H04S3/002 , H04S3/004 , H04S2400/01 , H04S2400/03 , H04S2400/05 , H04S2420/01
Abstract: A method for processing an audio signal includes: decomposing an audio signal comprising spatial information into a set of audio signal components; and processing a first subset of the set of audio signal components according to a first processing scheme and processing a second subset of the set of audio signal components according to a second processing scheme different from the first processing scheme, wherein the first subset comprises audio signal components corresponding to at least one frontal signal source and the second subset comprises audio signal components corresponding to at least one ambient signal source; and wherein the second processing scheme is based on crosstalk cancellation.
Abstract translation: 一种用于处理音频信号的方法包括：将包括空间信息的音频信号分解成一组音频信号分量; 以及根据第一处理方案处理所述一组音频信号分量的第一子集，并且根据不同于所述第一处理方案的第二处理方案处理所述一组音频信号分量的第二子集，其中所述第一子集包括音频信号 对应于至少一个正面信号源和第二子集的部件包括对应于至少一个环境信号源的音频信号分量; 并且其中所述第二处理方案基于串扰消除。
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公开(公告)号：US20160211821A1
公开(公告)日：2016-07-21
申请号：US15082081
申请日：2016-03-28
Applicant: Huawei Technologies Co., Ltd.
Inventor： Peter Grosche , Yue Lang , Qing Zhang
Abstract: A digital compressor for compressing an input audio signal is presented. The digital compressor comprises a compression gain control for providing a compression gain parameter, and a compression parameter determiner for determining a compression ratio from the compression gain parameter. The compression parameter determiner may be configured to weight the compression gain parameter by a predetermined weight factor to obtain the compression ratio. The digital compressor further comprises an auxiliary signal generator for manipulating the input audio signal in dependence of the compression ratio to obtain a first auxiliary signal, and a combiner unit for combining the first auxiliary signal with the compression gain parameter to obtain a second auxiliary signal, and for combining the input audio signal with the second auxiliary signal to obtain the compressed audio signal.
Abstract translation: 提出了一种用于压缩输入音频信号的数字压缩器。 数字压缩机包括用于提供压缩增益参数的压缩增益控制和用于根据压缩增益参数确定压缩比的压缩参数确定器。 压缩参数确定器可以被配置为将压缩增益参数加权预定的权重因子以获得压缩比。 数字压缩器还包括辅助信号发生器，用于根据压缩比来操纵输入音频信号以获得第一辅助信号;以及组合器单元，用于将第一辅助信号与压缩增益参数组合以获得第二辅助信号， 并且用于将输入音频信号与第二辅助信号组合以获得压缩音频信号。
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公开(公告)号：US20160044432A1
公开(公告)日：2016-02-11
申请号：US14921588
申请日：2015-10-23
Applicant: Huawei Technologies Co., Ltd.
Inventor： Peter Grosche , David Virette
CPC classification number: H04S1/005 , H04S3/004 , H04S7/308 , H04S2420/01 , H04S2420/03
Abstract: The invention relates to an audio signal processing apparatus for processing an audio signal, the audio signal processing apparatus comprising: a converter configured to convert a stereo audio signal into a binaural audio signal; and a determiner configured to determine upon the basis of an indicator signal whether the audio signal is a stereo audio signal or a binaural audio signal, the indicator signal indicating whether the audio signal is a stereo audio signal or a binaural audio signal, the determiner being further configured to provide the audio signal to the converter if the audio signal is a stereo audio signal.
Abstract translation: 本发明涉及一种用于处理音频信号的音频信号处理装置，该音频信号处理装置包括：转换器，被配置为将立体声音频信号转换为双耳音频信号; 以及确定器，被配置为基于指示符信号来确定音频信号是立体声音频信号还是双耳音频信号，指示信号指示音频信号是立体声音频信号还是双耳音频信号，确定器是 进一步被配置为如果音频信号是立体声音频信号，则将音频信号提供给转换器。
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