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51. 发明申请

WO2015010948A1 APPARATUS AND METHOD FOR ENCODING OR DECODING AN AUDIO SIGNAL WITH INTELLIGENT GAP FILLING IN THE SPECTRAL DOMAIN 审中-公开
标题翻译：用于在频域中编码或解码具有智能缝隙的音频信号的装置和方法
公开(公告)号：WO2015010948A1
公开(公告)日：2015-01-29
申请号：PCT/EP2014/065109
申请日：2014-07-15
申请人： FRAUNHOFER-GESELLSCHAFT ZUR FÖRDERUNG DER ANGEWANDTEN FORSCHUNG E.V. , FRIEDRICH-ALEXANDER-UNIVERSITAET ERLANGEN-NUERNBERG
发明人： DISCH, Sascha , NAGEL, Frederik , GEIGER, Ralf , THOSHKAHNA, Balaji Nagendran , SCHMIDT, Konstantin , BAYER, Stefan , NEUKAM, Christian , EDLER, Bernd , HELMRICH, Christian
IPC分类号： G10L19/02 , G10L21/038
CPC分类号： G10L19/008 , G10L19/02 , G10L19/0204 , G10L19/0208 , G10L19/0212 , G10L19/022 , G10L19/025 , G10L19/03 , G10L19/032 , G10L19/06 , G10L21/0388 , G10L25/06 , H04S1/007
摘要： An apparatus for decoding an encoded audio signal, comprises a spectral domain audio decoder (112) for generating a first decoded representation of a first set of first spectral portions, the decoded representation having a first spectral resolution; a parametric decoder (114) for generating a second decoded representation of a second set of second spectral portions having a second spectral resolution being lower than the first spectral resolution; a frequency regenerator (116) for regenerating every constructed second spectral portion having the first spectral resolution using a first spectral portion and spectral envelope information for the second spectral portion; and a spectrum time converter (118) for converting the first decoded representation and the reconstructed second spectral portion into a time representation.
摘要翻译：一种用于解码编码音频信号的装置，包括用于产生第一组第一频谱部分的第一解码表示的频域音频解码器（112），所述解码表示具有第一频谱分辨率; 参数解码器（114），用于产生具有低于第一光谱分辨率的第二光谱分辨率的第二组第二光谱部分的第二解码表示; 频率再生器（116），用于使用第一光谱部分再生具有第一光谱分辨率的每个构造的第二光谱部分和用于第二光谱部分的光谱包络信息; 以及用于将第一解码表示和重建的第二光谱部分转换成时间表示的频谱时间转换器（118）。

52. 发明申请

WO2014118160A1 APPARATUS AND METHOD FOR GENERATING A FREQUENCY ENHANCED SIGNAL USING TEMPORAL SMOOTHING OF SUBBANDS 审中-公开
标题翻译：使用时间平滑的子带生成频率增强信号的装置和方法
公开(公告)号：WO2014118160A1
公开(公告)日：2014-08-07
申请号：PCT/EP2014/051601
申请日：2014-01-28
申请人： FRAUNHOFER-GESELLSCHAFT ZUR FÖRDERUNG DER ANGEWANDTEN FORSCHUNG E.V.
发明人： DISCH, Sascha , GEIGER, Ralf , HELMRICH, Christian , MULTRUS, Markus , SCHMIDT, Konstantin
IPC分类号： G10L21/038
CPC分类号： G10L19/12 , G10L19/0204 , G10L19/032 , G10L19/06 , G10L21/038 , G10L21/0388 , G10L25/18 , G10L2019/0012 , G10L2019/0016
摘要： An apparatus for generating a frequency enhancement signal (130) comprises: a signal generator (200) for generating an enhancement signal from a core signal (120, 110), the enhancement signal comprising an enhancement frequency range not included in the core signal, wherein a current time portion (320, 340) of the enhancement signal or the core signal comprises subband signals for a plurality of subbands; a controller (800) for calculating the same smoothing information (802) for the plurality of subband signals of the enhancement frequency range or the core signal, and wherein the signal generator (200) is configured for smoothing the plurality of subband signals of the enhancement frequency range or the core signal using the same smoothing information (802).
摘要翻译：一种用于产生频率增强信号（130）的装置，包括：信号发生器（200），用于从核心信号（120,110）产生增强信号，所述增强信号包括不包括在核心信号中的增强频率范围，其中增强信号或核心信号的当前时间部分（320,340）包括用于多个子带的子带信号; 用于为所述增强频率范围或所述核心信号的所述多个子带信号计算相同的平滑信息（802）的控制器（800），并且其中，所述信号发生器（200）被配置用于平滑所述增强的所述多个子带信号频率范围或核心信号使用相同的平滑信息（802）。

53. 发明申请

WO2011110496A1 APPARATUS AND METHOD FOR HANDLING TRANSIENT SOUND EVENTS IN AUDIO SIGNALS WHEN CHANGING THE REPLAY SPEED OR PITCH 审中-公开
标题翻译：在更换复印机速度或倾斜时在音频信号中处理瞬态声音事件的装置和方法
公开(公告)号：WO2011110496A1
公开(公告)日：2011-09-15
申请号：PCT/EP2011/053303
申请日：2011-03-04
申请人： FRAUNHOFER-GESELLSCHAFT ZUR FÖRDERUNG DER ANGEWANDTEN FORSCHUNG E.V. , DISCH, Sascha , NAGEL, Frederik , WILDE, Stephan
发明人： DISCH, Sascha , NAGEL, Frederik , WILDE, Stephan
IPC分类号： G10L21/02 , G10L21/04
CPC分类号： G10L21/038 , G10L19/025 , G10L21/04
摘要： An apparatus for processing an audio signal comprises an overlap-add stage for overlapping and adding blocks of a corresponding one of a plurality of subband signals using an overlap-add-advance value being different from a block extraction advance value. The apparatus further comprises a transient detector for detecting a transient in the audio signal or a subband signal of the plurality of subband signals. The overlap-add stage is configured for reducing an influence of a detected transient or for not using the detected transients when adding. The apparatus further comprises a transient adder for adding a detected transient to a subband signal generated by the overlap/add stage. A related method for processing an audio signal comprises, inter alia, either reducing an influence or discarding a detected transient when overlapping and adding.
摘要翻译：一种用于处理音频信号的装置包括：使用与块提取提前值不同的重叠加法值，来叠加和添加多个子带信号中相应的一个子带信号的块的重叠添加级。该装置还包括用于检测音频信号中的瞬态或多个子带信号的子带信号的瞬态检测器。重叠添加级被配置为减少检测到的瞬态的影响或者在添加时不使用检测到的瞬变。该装置还包括一个瞬态加法器，用于将检测到的瞬态值与由重叠/加法级产生的子带信号相加。用于处理音频信号的相关方法尤其包括在重叠和相加时减少影响或丢弃检测到的瞬变。

54. 发明申请

WO2010003618A2 TIME WARP ACTIVATION SIGNAL PROVIDER, AUDIO SIGNAL ENCODER, METHOD FOR PROVIDING A TIME WARP ACTIVATION SIGNAL, METHOD FOR ENCODING AN AUDIO SIGNAL AND COMPUTER PROGRAMS 审中-公开
标题翻译：时间WARP激活信号提供商，音频信号编码器，提供时间WARP激活信号的方法，编码音频信号和计算机程序的方法
公开(公告)号：WO2010003618A2
公开(公告)日：2010-01-14
申请号：PCT/EP2009/004874
申请日：2009-07-06
申请人： FRAUNHOFER-GESELLSCHAFT ZUR FÖRDERUNG DER ANGEWANDTEN FORSCHUNG E.V. , BAYER, Stefan , DISCH, Sascha , GEIGER, Ralf , FUCHS, Guillaume , NEUENDORF, Max , SCHULLER, Gerald , EDLER, Bernd
发明人： BAYER, Stefan , DISCH, Sascha , GEIGER, Ralf , FUCHS, Guillaume , NEUENDORF, Max , SCHULLER, Gerald , EDLER, Bernd
IPC分类号： G10L19/10 , G10L21/04
CPC分类号： G10L21/04 , G10L19/002 , G10L19/0212 , G10L19/022 , G10L19/028 , G10L19/032 , G10L19/265 , G10L21/043 , G10L25/90
摘要： An audio encoder comprises a window function controller (504), a windower (502), a time warper (506) with a final quality check functionality, a time/frequency converter (508), a TNS stage (510) or a quantizer encoder (512), the window function controller (504), the time warper (506), the TNS stage (510) or an additional noise filling analyzer (524) are controlled by signal analysis results obtained by a time warp analyzer (516) or a signal classifier (520). Furthermore, a decoder applies a noise filling operation using a manipulated noise filling estimate depending on a harmonic or speech characteristic of the audio signal.
摘要翻译：音频编码器包括窗函数控制器（504），加窗器（502），具有最终质量检查功能的时间整形器（506），时间/频率转换器（508），TNS级（510）或量化器编码器（512），窗口功能控制器（504），时间整经器（506），TNS平台（510）或附加噪声填充分析器（524）由时间扭曲分析器（516）获得的信号分析结果或信号分类器（520）。此外，解码器使用根据音频信号的谐波或语音特性的操纵噪声填充估计来应用噪声填充操作。

55. 发明申请

WO2023083921A1 AUDIO DECODER, AUDIO ENCODER, METHOD FOR DECODING, METHOD FOR ENCODING AND BITSTREAM, USING SCENE CONFIGURATION PACKET A CELL INFORMATION DEFINES AN ASSOCIATION BETWEEN THE ONE OR MORE CELLS AND RESPECTIVE ONE OR MORE DATA STRUCTURES 审中-公开
公开(公告)号：WO2023083921A1
公开(公告)日：2023-05-19
申请号：PCT/EP2022/081373
申请日：2022-11-09
申请人： FRAUNHOFER-GESELLSCHAFT ZUR FÖRDERUNG DER ANGEWANDTEN FORSCHUNG E.V.
发明人： DISCH, Sascha , SCHWÄR, Simon , HASSAN, Kahleel Porter
IPC分类号： G10L19/02 , G06F3/16 , G10L19/16 , G10L19/008 , H04S7/00
摘要： Embodiments according to the invention are related to an audio decoder, for providing a decoded audio representation on the basis of an encoded audio representation, wherein the audio decoder is configured to spatially render one or more audio signals; wherein the audio decoder is configured to receive a plurality of packets of different packet types, the packets comprising one or more scene configuration packets providing a renderer configuration information defining a usage of scene objects and/or a usage of scene characteristics, the packets comprising one or more scene update packets defining a update of scene metadata for the rendering, the packets comprising one or more scene payload packets comprising definitions of one or more of the scene objects and/or definitions of one or more of the scene characteristics; wherein the audio decoder is configured to select definitions of one or more scene objects and/or definitions of one or more scene characteristics, which are in included in the scene payload packets, for the rendering in dependence on the renderer configuration information; and wherein the audio decoder is configured to update one or more scene metadata in dependence on a content of the one or more scene update packets. Further embodiments are related to encoders, methods and bitstreams. Further embodiments are related to decoders, encoders, methods and bitstreams with scene update packets with update conditions, with scene configuration packets providing a renderer configuration information defining a temporal evolution of a rendering scenario and with a timestamp information and/or with subscene cell information, wherein the cell information defines an association between the one or more cells and respective one or more data structures.

56. 发明申请

WO2023083918A1 AUDIO DECODER, AUDIO ENCODER, METHOD FOR DECODING, METHOD FOR ENCODING AND BITSTREAM, USING A PLURALITY OF PACKETS, THE PACKETS COMPRISING ONE OR MORE SCENE CONFIGURATION PACKETS AND ONE OR MORE SCENE UPDATE PACKETS WITH OF ONE OR MORE UPDATE CONDITIONS 审中-公开
公开(公告)号：WO2023083918A1
公开(公告)日：2023-05-19
申请号：PCT/EP2022/081370
申请日：2022-11-09
申请人： FRAUNHOFER-GESELLSCHAFT ZUR FÖRDERUNG DER ANGEWANDTEN FORSCHUNG E.V.
发明人： DISCH, Sascha , SCHWÄR, Simon , HASSAN, Kahleel Porter
IPC分类号： G10L19/008 , G10L19/16 , H04S7/00
摘要： Embodiments according to the invention are related to an audio decoder, for providing a decoded audio representation on the basis of an encoded audio representation, wherein the audio decoder is configured to spatially render one or more audio signals; wherein the audio decoder is configured to receive a plurality of packets of different packet types, the packets comprising one or more scene configuration packets providing a renderer configuration information defining a usage of scene objects and/or a usage of scene characteristics, the packets comprising one or more scene update packets defining a update of scene metadata for the rendering, the packets comprising one or more scene payload packets comprising definitions of one or more of the scene objects and/or definitions of one or more of the scene characteristics; wherein the audio decoder is configured to select definitions of one or more scene objects and/or definitions of one or more scene characteristics, which are in included in the scene payload packets, for the rendering in dependence on the renderer configuration information; and wherein the audio decoder is configured to update one or more scene metadata in dependence on a content of the one or more scene update packets. Further embodiments are related to encoders, methods and bitstreams. Further embodiments are related to decoders, encoders, methods and bitstreams with scene update packets with update conditions, with scene configuration packets providing a renderer configuration information defining a temporal evolution of a rendering scenario and with a timestamp information and/or with subscene cell information, wherein the cell information defines an association between the one or more cells and respective one or more data structures.

57. 发明申请

WO2022268347A1 APPARATUS AND METHOD FOR REMOVING UNDESIRED AUDITORY ROUGHNESS 审中-公开
公开(公告)号：WO2022268347A1
公开(公告)日：2022-12-29
申请号：PCT/EP2021/075816
申请日：2021-09-20
申请人： FRAUNHOFER-GESELLSCHAFT ZUR FÖRDERUNG DER ANGEWANDTEN FORSCHUNG E.V. , FRIEDRICH-ALEXANDER-UNIVERSITAET ERLANGEN-NUERNBERG
发明人： DISCH, Sascha , VAN DE PAR, Steven , NIEDERMEIER, Andreas , EDLER, Bernd
IPC分类号： G10L19/26 , G10L19/005 , G10L19/02 , G10L21/003 , G10L21/0316
摘要： An apparatus (100) for processing an audio input signal to obtain an audio output signal according to an embodiment. The apparatus (100) comprises a signal analyser (110) configured for determining information on an auditory roughness of one or more spectral bands of the audio input signal. Moreover, the apparatus (100) comprises a signal processor (120) configured for processing the audio input signal depending on the information on the auditory roughness of the one or more spectral bands.

58. 发明申请

WO2019020757A3 APPARATUS FOR ENCODING OR DECODING AN ENCODED MULTICHANNEL SIGNAL USING A FILLING SIGNAL GENERATED BY A BROAD BAND FILTER 审中-公开
公开(公告)号：WO2019020757A3
公开(公告)日：2019-01-31
申请号：PCT/EP2018/070326
申请日：2018-07-26
申请人： FRAUNHOFER-GESELLSCHAFT ZUR FÖRDERUNG DER ANGEWANDTEN FORSCHUNG E.V.
发明人： BÜTHE, Jan , REUTELHUBER, Franz , DISCH, Sascha , FUCHS, Guillaume , MULTRUS, Markus , GEIGER, Ralf
IPC分类号： G10L19/008 , G10L21/038 , H04S3/00
摘要： An apparatus for decoding an encoded multichannel signal, comprises: a base channel decoder (700) for decoding an encoded base channel to obtain a decoded base channel; a decorrelation filter (800) for filtering at least a portion of the decoded base channel to obtain a filling signal; and a multichannel processor (900) for performing a multichannel processing using a spectral representation of the decoded base channel and a spectral representation of the filling signal, wherein the decorrelation filter (800) is a broad band filter and the multichannel processor (900) is configured to apply a narrow band processing to the spectral representation of the decoded base channel and the spectral representation of the filling signal.

59. 发明申请

WO2018177611A1 APPARATUS AND METHODS FOR PROCESSING AN AUDIO SIGNAL 审中-公开
公开(公告)号：WO2018177611A1
公开(公告)日：2018-10-04
申请号：PCT/EP2018/025082
申请日：2018-03-29
申请人： FRAUNHOFER-GESELLSCHAFT ZUR FÖRDERUNG DER ANGEWANDTEN FORSCHUNG E.V. , FRIEDRICH-ALEXANDER-UNI VERSITÄT ERLANGEN-NÜRNBERG
发明人： GAMPP, Patrick , UHLE, Christian , DISCH, Sascha , KARAMPOURNIOTIS, Antonios , HAVENSTEIN, Julia , HELLMUTH, Oliver , HERRE, Jürgen , PROKEIN, Peter
IPC分类号： G10L21/038 , G10L25/69
摘要： An apparatus for processing an audio signal comprises a separator for separating a first portion of a spectrum of the audio signal from a second portion of the spectrum of the audio signal, the first portion having a first signal characteristic and the second portion having a second signal characteristic. The apparatus comprises a first bandwidth extender for extending a bandwidth of the first portion using first parameters associated with the first signal characteristic, for obtaining a first extended portion and comprises a second bandwidth extender for extending a bandwidth of the second portion using second parameters associated with the second signal characteristic, for obtaining a second extended portion. The apparatus comprises a combiner configured for using the first extended portion and the second extended portion for obtaining an extended combined audio signal.

60. 发明申请

WO2017102560A1 APPARATUS AND METHOD FOR PROCESSING AN ENCODED AUDIO SIGNAL 审中-公开
标题翻译：用于处理编码的音频信号的装置和方法
公开(公告)号：WO2017102560A1
公开(公告)日：2017-06-22
申请号：PCT/EP2016/080331
申请日：2016-12-08
申请人： FRAUNHOFER-GESELLSCHAFT ZUR FÖRDERUNG DER ANGEWANDTEN FORSCHUNG E.V.
发明人： NIEDERMEIER, Andreas , DISCH, Sascha
IPC分类号： G10L19/16
CPC分类号： G10L19/173
摘要： The invention refers to an apparatus for processing an encoded audio signal (100). The audio signal (100) comprises a sequence of access units (100'), each access unit comprising a core signal (101) with a first spectral width and parameters describing a spectrum above the first spectral width. The apparatus comprises: a demultiplexer (1) for generating, from an access unit (100') of the encoded audio signal (100), said core signal (101 ) and a set of said parameters (102), an upsampler (2) for upsampling said core signal (101 ) of said access unit (100') and outputting a first upsampled spectrum (103) and a timely consecutive second upsampled spectrum (103'), the first upsampled spectrum (103) and the second upsampled spectrum (103'), both, having a same content as the core signal (101 ) and having a second spectral width being greater than the first spectral width of the core spectrum (101), a parameter converter (3) for converting parameters of said set of parameters (102) of said access unit (100') to obtain converted parameters (104, 104'), and a spectral gap filling processor (4) for processing said first upsampled spectrum (103) and said second upsampled spectrum (103') using said converted parameters (104). The invention also refers to a corresponding method.
摘要翻译：本发明涉及用于处理经编码的音频信号（100）的设备。音频信号（100）包括访问单元（100'）的序列，每个访问单元包括具有第一频谱宽度的核心信号（101）和描述高于第一频谱宽度的频谱的参数。该装置包括：解复用器（1），用于从编码音频信号（100）的存取单元（100'）产生所述核心信号（101）和一组所述参数（102）;上采样器（2）用于对所述存取单元（100'）的所述核心信号（101）进行上采样并且输出第一上采样频谱（103）和及时连续第二上采样频谱（103'），第一上采样频谱（103）和第二上采样频谱一个参数转换器（3），用于将所述组的参数（101,103'）与所述核心信号（101）的内容相同并具有大于所述核心频谱（101）的第一频谱宽度的第二频谱宽度; （103'）和所述第二上采样频谱（103'）的频谱间隙填充处理器（4），其中所述第一上采样频谱（103' ）使用所述转换后的参数（104）。本发明还涉及相应的方法。

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