专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明申请

WO2014005992A1 VORRICHTUNG, VERFAHREN UND COMPUTERPROGRAMM FÜR FREI WÄHLBARE FREQUENZVERSCHIEBUNGEN IN DER SUBBAND-DOMÄNE 审中-公开
标题翻译：设备，方法和计算机程序，用于子带域自由选择频移
公开(公告)号：WO2014005992A1
公开(公告)日：2014-01-09
申请号：PCT/EP2013/063827
申请日：2013-07-01
申请人： FRAUNHOFER-GESELLSCHAFT ZUR FÖRDERUNG DER ANGEWANDTEN FORSCHUNG E.V. , TECHNISCHE UNIVERSITÄT ILMENAU
发明人： NAGEL, Frederik , SCHNABEL, Michael , NEUKAM, Christian , SCHULLER, Gerald
IPC分类号： G10L21/0388 , G10L19/02
CPC分类号： G10L25/18 , G10L19/0204 , G10L21/0388 , H03G3/00
摘要： Eine Vorrichtung (100) zur Erzeugung eines frequenzverschobenen Audiosignals basierend auf einem Audioeingangssignal wird bereitgestellt. Die Vorrichtung (100) umfasst eine Schnittstelle (110) und eine Frequenzverschiebungseinheit (120). Die Schnittstelle (110) ist zum Empfang des Audioeingangssignals eingerichtet. Die Frequenzverschiebungseinheit (120) ist zur Erzeugung des frequenzverschobenen Audiosignals eingerichtet. Die Frequenzverschiebungseinheit (120) ist ferner dafür eingerichtet, einen der zweiten Subband- Werte basierend auf einem der ersten Subband- Werte so zu erzeugen, dass der zweite Phasenwinkel dieses zweiten Subband- Werts sich von dem ersten Phasenwinkel dieses ersten Subband- Werts um eine Phasenwinkel-Differenz unterscheidet, wobei die Phasenwinkel-Differenz von einer Frequenzinformation abhängt, die angibt, um welche Frequenzdifferenz das Audioeingangssignal zu verschieben ist, um das frequenzverschobene Audiosignal zu erhalten, und wobei die Phasenwinkel-Differenz von einer Frequenz- Bandbreite von einem der ersten Subbänder abhängt.
摘要翻译：一种用于产生基于音频输入信号的频移的音频信号的装置（100）被提供。所述装置（100）包括接口（110）和频移单元（120）。所述接口（110），适于接收所述音频输入信号。频移单元（120）适于产生所述频移的音频信号。频移单元（120）还适于基于所述第一子带值中的一个以产生第二子带值，使得该第二子带值的第二相位角从该第一子带值的第一相位角的相位角 -difference是不同的，相位角差是依赖于指示一个频率信息，在该频率差来移动输入音频信号以获得频移的音频信号，并且其中取决于所述第一子带中的一个的频率带宽的相位角差，

2. 发明申请

WO2012080346A1 ENCODER AND METHOD FOR PREDICTIVELY ENCODING, DECODER AND METHOD FOR DECODING, SYSTEM AND METHOD FOR PREDICTIVELY ENCODING AND DECODING AND PREDICTIVELY ENCODED INFORMATION SIGNAL 审中-公开
标题翻译：用于预编码，解码器和解码方法的编码器和方法，用于预编码和解码和预编码信息信号的系统和方法
公开(公告)号：WO2012080346A1
公开(公告)日：2012-06-21
申请号：PCT/EP2011/072776
申请日：2011-12-14
申请人： FRAUNHOFER-GESELLSCHAFT ZUR FÖRDERUNG DER ANGEWANDTEN FORSCHUNG E.V. , TECHNISCHE UNIVERSITÄT ILMENAU , LUTZKY, Manfred , SCHULLER, Gerald , SCHNABEL, Michael , WERNER, Michael
发明人： LUTZKY, Manfred , SCHULLER, Gerald , SCHNABEL, Michael , WERNER, Michael
IPC分类号： G10L19/06
CPC分类号： H04L1/0014 , G10L19/005 , G10L19/04 , G10L19/06
摘要： An encoder (100) for predictively encoding a signal (105) having a sequence of signal values (s(n)) comprises a predictor (110) for performing an adaptive prediction in dependence on the signal (105) (s(n)), and in dependence on one or more weighting values (111) (ω 1 ), to obtain predicted signal values (115) (s'(n)), wherein the predictor (110) is configured to reset the weighting values (111) at times which are dependent on the signal (105), and wherein the predictor (110) is configured to adapt the weighting values (111) to the signal (105) between subsequent resets.
摘要翻译：用于对具有信号值序列（s（n））的信号（105）进行预测编码的编码器（100）包括用于根据信号（105）（s（n））执行自适应预测的预测器（110），并且根据一个或多个加权值（111）（α1），获得预测信号值（115）（s'（n）），其中预测器（110）被配置为重置加权值（111）在取决于信号（105）的时间，并且其中预测器（110）被配置为使加权值（111）适应于后续复位之间的信号（105）。

3. 发明申请

WO2015139958A1 APPARATUS, METHOD AND CORRESPONDING COMPUTER PROGRAM FOR GENERATING AN ERROR CONCEALMENT SIGNAL USING POWER COMPENSATION 审中-公开
标题翻译：使用功率补偿产生错误信号信号的装置，方法和相应的计算机程序
公开(公告)号：WO2015139958A1
公开(公告)日：2015-09-24
申请号：PCT/EP2015/054490
申请日：2015-03-04
申请人： FRAUNHOFER-GESELLSCHAFT ZUR FÖRDERUNG DER ANGEWANDTEN FORSCHUNG E.V.
发明人： SCHNABEL, Michael , LECOMTE, Jérémie , SPERSCHNEIDER, Ralph , JANDER, Manuel
IPC分类号： G10L19/005 , G10L19/06
CPC分类号： G10L19/005 , G10L19/028 , G10L19/06 , G10L2019/0002 , G10L2019/0016
摘要： An apparatus for generating an error concealment signal, comprises: an LPC representation generator (100) for generating a replacement LPC representation; a gain calculator (600) for calculating a gain information from the LPC representations; a compensator (406, 408) for compensating a gain influence of the replacement LPC representation using the gain information; and an LPC synthesizer (106, 108) for filtering codebook information using the replacement LPC representation to obtain the error concealment signal, wherein the compensator (406, 408, 900) is configured for weighting the codebook information or an LPC synthesis output signal.
摘要翻译：一种用于产生错误隐藏信号的装置，包括：用于产生替换LPC表示的LPC表示生成器（100）; 用于从LPC表示计算增益信息的增益计算器（600）; 补偿器（406,408），用于使用所述增益信息来补偿所述替换LPC表示的增益影响; 以及LPC合成器（106,108），用于使用替换LPC表示对码本信息进行滤波以获得错误隐藏信号，其中补偿器（406,408,900）被配置用于对码本信息或LPC合成输出信号进行加权。

4. 发明申请

WO2014202539A1 APPARATUS AND METHOD FOR IMPROVED CONCEALMENT OF THE ADAPTIVE CODEBOOK IN ACELP-LIKE CONCEALMENT EMPLOYING IMPROVED PITCH LAG ESTIMATION 审中-公开
标题翻译：用于改进自适应代码的ACARP类似设计的方法和方法，用于改进PITCH LAG估计
公开(公告)号：WO2014202539A1
公开(公告)日：2014-12-24
申请号：PCT/EP2014/062589
申请日：2014-06-16
申请人： FRAUNHOFER-GESELLSCHAFT ZUR FÖRDERUNG DER ANGEWANDTEN FORSCHUNG E.V.
发明人： LECOMTE, Jérémie , SCHNABEL, Michael , MARKOVIC, Goran , DIETZ, Martin , NEUGEBAUER, Bernhard
IPC分类号： G10L19/005 , G10L25/90 , G10L19/107 , G10L19/08
CPC分类号： G10L19/005 , G10L19/08 , G10L19/107 , G10L19/125 , G10L25/90 , G10L2019/0002 , G10L2019/0003 , G10L2019/0008
摘要： An apparatus for determining an estimated pitch lag is provided. The apparatus comprises an input interface (1 10) for receiving a plurality of original pitch lag values, and a pitch lag estimator (120) for estimating the estimated pitch lag. The pitch lag estimator (120) is configured to estimate the estimated pitch lag depending on a plurality of original pitch lag values and depending on a plurality of information values, wherein for each original pitch lag value of the plurality of original pitch lag values, an information value of the plurality of information values is assigned to said original pitch lag value.
摘要翻译：提供了一种用于确定估计音调滞后的装置。该装置包括用于接收多个原始音调滞后值的输入接口（110）和用于估计估计音调滞后的音调滞后估计器（120）。音调滞后估计器（120）被配置为根据多个原始音调滞后值并根据多个信息值来估计估计音调滞后，其中对于多个原始音调滞后值的每个原始音调滞后值，将多个信息值的信息值分配给所述原始音调滞后值。

5. 发明申请

WO2012110447A1 APPARATUS AND METHOD FOR ERROR CONCEALMENT IN LOW-DELAY UNIFIED SPEECH AND AUDIO CODING (USAC) 审中-公开
标题翻译：低延迟语音和音频编码（USAC）中错误隐藏的设备和方法
公开(公告)号：WO2012110447A1
公开(公告)日：2012-08-23
申请号：PCT/EP2012/052395
申请日：2012-02-13
申请人： FRAUNHOFER-GESELLSCHAFT ZUR FÖRDERUNG DER ANGEWANDTEN FORSCHUNG E.V. , LECOMTE, Jérémie , DIETZ, Martin , SCHNABEL, Michael , SPERSCHNEIDER, Ralph
发明人： LECOMTE, Jérémie , DIETZ, Martin , SCHNABEL, Michael , SPERSCHNEIDER, Ralph
IPC分类号： G10L19/00 , G10L19/06
CPC分类号： G10L19/00 , G10K11/16 , G10L19/005 , G10L19/012 , G10L19/0212 , G10L19/025 , G10L19/03 , G10L19/04 , G10L19/107 , G10L19/12 , G10L19/22 , G10L19/26 , G10L21/0216 , G10L25/06 , G10L25/78
摘要： An apparatus (100) for generating spectral replacement values for an audio signal is provided. The apparatus (100) comprises a buffer unit (110) for storing previous spectral values relating to a previously received error-free audio frame. Moreover, the apparatus (100) comprises a concealment frame generator (120) for generating the spectral replacement values, when a current audio frame has not been received or is erroneous. The previously received error-free audio frame comprises filter information, the filter information having associated a filter stability value indicating a stability of a prediction filter. The concealment frame generator (120) is adapted to generate the spectral replacement values based on the previous spectral values and based on the filter stability value.
摘要翻译：提供一种用于产生音频信号的频谱替换值的装置（100）。所述装置（100）包括用于存储与先前接收到的无错音频帧有关的先前频谱值的缓冲单元（110）。此外，当没有接收到当前音频帧或者错误时，装置（100）包括用于产生频谱替换值的隐藏帧发生器（120）。先前接收的无错音频帧包括滤波器信息，滤波器信息具有指示预测滤波器的稳定性的滤波器稳定性值。隐藏帧发生器（120）适于基于先前的频谱值并且基于滤波器稳定性值来生成频谱替换值。

6. 发明申请

WO2019091922A1 SELECTING PITCH LAG 审中-公开
公开(公告)号：WO2019091922A1
公开(公告)日：2019-05-16
申请号：PCT/EP2018/080195
申请日：2018-11-05
申请人： FRAUNHOFER-GESELLSCHAFT ZUR FÖRDERUNG DER ANGEWANDTEN FORSCHUNG E.V.
发明人： RAVELLI, Emmanuel , DIETZ, Martin , SCHNABEL, Michael , TRITTHART, Arthur , TSCHEKALINSKIJ, Alexander
IPC分类号： G10L25/90 , G10L25/06 , G10L19/26 , G10L19/005 , G10L19/22
摘要： There are proposed techniques (e.g., in apparatus, methods, programs) for selecting pitch lag. An apparatus (10, 60a, 110) for encoding an information signal including a plurality of frames. The apparatus may comprise a first estimator (11) configured to obtain a first estimate (14, Ti), the first estimate being an estimate of a pitch lag for a current frame (13). The apparatus may comprise a second estimator (12) configured to obtain a second estimate (16, T2), the second estimate being another estimate of a pitch lag for the current frame (13). A selector (17) may be configured to choose (S103) a selected value (19, T bes t) by performing a selection between the first estimate (14, T 1 ) and the second estimate (16, T 2 ) on the basis of a first and a second correlation measurements (23, 25).

7. 发明申请

WO2014202535A1 APPARATUS AND METHOD FOR IMPROVED CONCEALMENT OF THE ADAPTIVE CODEBOOK IN ACELP-LIKE CONCEALMENT EMPLOYING IMPROVED PULSE RESYNCHRONIZATION 审中-公开
标题翻译：用于改进自适应代码的改进的手段和方法在采用改进的脉冲重新定位的ACELP状态下
公开(公告)号：WO2014202535A1
公开(公告)日：2014-12-24
申请号：PCT/EP2014/062578
申请日：2014-06-16
申请人： FRAUNHOFER-GESELLSCHAFT ZUR FÖRDERUNG DER ANGEWANDTEN FORSCHUNG E.V.
发明人： LECOMTE, Jérémie , SCHNABEL, Michael , MARKOVIC, Goran , DIETZ, Martin , NEUGEBAUER, Bernhard
IPC分类号： G10L19/005 , G10L19/08 , G10L19/107
CPC分类号： G10L19/005 , G10L19/08 , G10L19/107 , G10L19/12 , G10L2019/0002 , G10L2019/0008
摘要： An apparatus for reconstructing a frame comprising a speech signal as a reconstructed frame is provided, said reconstructed frame being associated with one or more available frames, said one or more available frames being at least one of one or more preceding frames of the reconstructed frame and one or more succeeding frames of the reconstructed frame, wherein the one or more available frames comprise one or more pitch cycles as one or more available pitch cycles. The apparatus comprises a determination unit (210) for determining a sample number difference indicating a difference between a number of samples of one of the one or more available pitch cycles and a number of samples of a first pitch cycle to be reconstructed. Moreover, the apparatus comprises a frame reconstructor (220) for reconstructing the reconstructed frame by reconstructing, depending on the sample number difference and depending on the samples of said one of the one or more available pitch cycles, the first pitch cycle to be reconstructed as a first reconstructed pitch cycle. The frame reconstructor (220) is configured to reconstruct the reconstructed frame, such that the reconstructed frame completely or partially comprises the first reconstructed pitch cycle, such that the reconstructed frame completely or partially comprises a second reconstructed pitch cycle, and such that the number of samples of the first reconstructed pitch cycle differs from a number of samples of the second reconstructed pitch cycle.
摘要翻译：提供了一种用于重建包括作为重构帧的语音信号的帧的装置，所述重建帧与一个或多个可用帧相关联，所述一个或多个可用帧是重构帧的一个或多个先前帧中的至少一个，所述重建帧的一个或多个后续帧，其中所述一个或多个可用帧包括作为一个或多个可用音调周期的一个或多个音调周期。该装置包括确定单元（210），用于确定指示一个或多个可用音调周期中的一个或多个可用音调周期之一的采样数与要重构的第一音调周期的采样数之间的差的样本数差。此外，该装置包括帧重建器（220），用于通过根据样本数差重建根据所述一个或多个可用音调周期中的所述一个或多个可用音调周期的样本，通过重构以重构第一音调周期来重构重构帧第一个重建音调周期。帧重构器（220）被配置为重建重构帧，使得重构帧完全或部分地包括第一重构音调周期，使得重构帧完全或部分地包括第二重构音调周期，并且使得重构帧的数量第一重构音调周期的采样与第二重构音调周期的采样数不同。

8. 发明申请

WO2014202790A1 APPARATUS AND METHOD FOR IMPROVED SIGNAL FADE OUT IN DIFFERENT DOMAINS DURING ERROR CONCEALMENT 审中-公开
标题翻译：设备和方法改善信号在错误隐藏期间在不同的域中衰落
公开(公告)号：WO2014202790A1
公开(公告)日：2014-12-24
申请号：PCT/EP2014/063177
申请日：2014-06-23
申请人： FRAUNHOFER-GESELLSCHAFT ZUR FÖRDERUNG DER ANGEWANDTEN FORSCHUNG E.V.
发明人： SCHNABEL, Michael , MARKOVIC, Goran , SPERSCHNEIDER, Ralph , LECOMTE, Jérémie , HELMRICH, Christian
IPC分类号： G10L19/005 , G10L19/09 , G10L25/90
CPC分类号： G10L19/005 , G10L19/002 , G10L19/012 , G10L19/0212 , G10L19/06 , G10L19/07 , G10L19/083 , G10L19/09 , G10L19/12 , G10L19/22 , G10L2019/0002 , G10L2019/0011 , G10L2019/0016
摘要： An apparatus for decoding an audio signal is provided. The apparatus comprises a receiving interface (110), wherein the receiving interface (110) is configured to receive a first frame comprising a first audio signal portion of the audio signal, and wherein the receiving interface (110) is configured to receive a second frame comprising a second audio signal portion of the audio signal. Moreover, the apparatus comprises a noise level tracing unit (130), wherein the noise level tracing unit (130) is configured to determine noise level information depending on at least one of the first audio signal portion and the second audio signal portion, wherein the noise level information is represented in a tracing domain. Furthermore, the apparatus comprises a first reconstruction unit (140) for reconstructing, in a first reconstruction domain, a third audio signal portion of the audio signal depending on the noise level information, if a third frame of the plurality of frames is not received by the receiving interface (110) or if said third frame is received by the receiving interface (110) but is corrupted, wherein the first reconstruction domain is different from or equal to the tracing domain. Moreover, the apparatus comprises a transform unit (121) for transforming the noise level information from the tracing domain to a second reconstruction domain, if a fourth frame of the plurality of frames is not received by the receiving interface (110) or if said fourth frame is received by the receiving interface (110) but is corrupted, wherein the second reconstruction domain is different from the tracing domain, and wherein the second reconstruction domain is different from the first reconstruction domain. Moreover, the apparatus comprises a second reconstruction unit (141) for reconstructing, in the second reconstruction domain, a fourth audio signal portion of the audio signal depending on the noise level information being represented in the second reconstruction domain, if said fourth frame of the plurality of frames is not received by the receiving interface (110) or if said fourth frame is received by the receiving interface (110) but is corrupted.
摘要翻译：提供一种用于解码音频信号的装置。所述装置包括接收接口（110），其中所述接收接口（110）被配置为接收包括所述音频信号的第一音频信号部分的第一帧，并且其中所述接收接口（110）被配置为接收第二帧包括音频信号的第二音频信号部分。此外，该装置包括噪声电平跟踪单元（130），其中噪声电平跟踪单元（130）被配置为根据第一音频信号部分和第二音频信号部分中的至少一个来确定噪声电平信息，其中，噪声电平信息在跟踪域中表示。此外，该装置包括第一重建单元（140），用于在第一重建域中根据噪声电平信息重建音频信号的第三音频信号部分，如果多个帧中的第三帧未被接收接口（110）或者如果所述第三帧被接收接口（110）接收但被破坏，其中第一重构域不同于或等于跟踪域。此外，如果多个帧的第四帧没有被接收接口（110）接收，或者如果所述第四帧被接收，则该装置包括用于将噪声级信息从跟踪域变换到第二重建域的变换单元（121）帧由接收接口（110）接收但被破坏，其中第二重构域与跟踪域不同，并且其中第二重建域与第一重建域不同。此外，该装置包括第二重建单元（141），用于在第二重建域中根据在第二重构域中表示的噪声电平信息来重建音频信号的第四音频信号部分，如果所述第二重构单元多个帧不被接收接口（110）接收，或者如果所述第四帧被接收接口（110）接收但被破坏。

9. 发明申请

WO2014202788A1 APPARATUS AND METHOD REALIZING A FADING OF AN MDCT SPECTRUM TO WHITE NOISE PRIOR TO FDNS APPLICATION 审中-公开
标题翻译：设备和方法在FDIS应用程序之前实现了对白噪声的MDCT谱的衰减
公开(公告)号：WO2014202788A1
公开(公告)日：2014-12-24
申请号：PCT/EP2014/063175
申请日：2014-06-23
申请人： FRAUNHOFER-GESELLSCHAFT ZUR FÖRDERUNG DER ANGEWANDTEN FORSCHUNG E.V.
发明人： SCHNABEL, Michael , MARKOVIC, Goran , SPERSCHNEIDER, Ralph , LECOMTE, Jérémie , HELMRICH, Christian
IPC分类号： G10L19/005
CPC分类号： G10L19/005 , G10L19/002 , G10L19/012 , G10L19/0212 , G10L19/06 , G10L19/07 , G10L19/083 , G10L19/09 , G10L19/12 , G10L19/22 , G10L2019/0002 , G10L2019/0011 , G10L2019/0016
摘要： An apparatus for decoding an encoded audio signal to obtain a reconstructed audio signal is provided. The apparatus comprises a receiving interface (1210) for receiving one or more frames comprising information on a plurality of audio signal samples of an audio signal spectrum of the encoded audio signal, and a processor (1220) for generating the reconstructed audio signal. The processor (1220) is configured to generate the reconstructed audio signal by fading a modified spectrum to a target spectrum, if a current frame is not received by the receiving interface (1210) or if the current frame is received by the receiving interface (1210) but is corrupted, wherein the modified spectrum comprises a plurality of modified signal samples, wherein, for each of the modified signal samples of the modified spectrum, an absolute value of said modified signal sample is equal to an absolute value of one of the audio signal samples of the audio signal spectrum. Moreover, the processor (1220) is configured to not fade the modified spectrum to the target spectrum, if the current frame of the one or more frames is received by the receiving interface (1210) and if the current frame being received by the receiving interface (1210) is not corrupted.
摘要翻译：提供了一种用于解码编码音频信号以获得重构音频信号的装置。该装置包括用于接收包括关于编码音频信号的音频信号频谱的多个音频信号样本的信息的一个或多个帧的接收接口（1210）和用于生成重构音频信号的处理器（1220）。如果当前帧没有被接收接口（1210）接收，或者当前帧被接收接口（1210）接收到，则处理器（1220）被配置为通过将修改的频谱衰减到目标频谱来生成重构音频信号）但是被破坏，其中修改的频谱包括多个修改的信号样本，其中，对于修改频谱的每个修改的信号样本，所述修改的信号样本的绝对值等于音频之一的绝对值音频信号频谱的信号采样。此外，如果由接收接口（1210）接收到一个或多个帧的当前帧，并且如果接收接口正在接收当前帧，则处理器（1220）被配置为不将修改的频谱淡化到目标频谱（1210）没有损坏。

10. 发明申请

WO2014202786A1 APPARATUS AND METHOD FOR GENERATING AN ADAPTIVE SPECTRAL SHAPE OF COMFORT NOISE 审中-公开
标题翻译：用于产生舒适噪声的自适应光谱形状的装置和方法
公开(公告)号：WO2014202786A1
公开(公告)日：2014-12-24
申请号：PCT/EP2014/063173
申请日：2014-06-23
申请人： FRAUNHOFER-GESELLSCHAFT ZUR FÖRDERUNG DER ANGEWANDTEN FORSCHUNG E.V.
发明人： SCHNABEL, Michael , MARKOVIC, Goran , SPERSCHNEIDER, Ralph , LECOMTE, Jérémie , HELMRICH, Christian
IPC分类号： G10L19/005 , G10L25/90 , G10L19/09
CPC分类号： G10L19/005 , G10L19/002 , G10L19/012 , G10L19/0212 , G10L19/06 , G10L19/07 , G10L19/083 , G10L19/09 , G10L19/12 , G10L19/22 , G10L2019/0002 , G10L2019/0011 , G10L2019/0016
摘要： An apparatus for decoding an encoded audio signal to obtain a reconstructed audio signal is provided. The apparatus comprises a receiving interface (1110) for receiving one or more frames, a coefficient generator (1120), and a signal reconstructor (1130). The coefficient generator (1120) is configured to determine, if a current frame of the one or more frames is received by the receiving interface (1110) and if the current frame being received by the receiving interface (1110) is not corrupted, one or more first audio signal coefficients, being comprised by the current frame, wherein said one or more first audio signal coefficients indicate a characteristic of the encoded audio signal, and one or more noise coefficients indicating a background noise of the encoded audio signal. Moreover, the coefficient generator (1120) is configured to generate one or more second audio signal coefficients, depending on the one or more first audio signal coefficients and depending on the one or more noise coefficients, if the current frame is not received by the receiving interface (1110) or if the current frame being received by the receiving interface (1110) is corrupted. The audio signal reconstructor (1130) is configured to reconstruct a first portion of the reconstructed audio signal depending on the one or more first audio signal coefficients, if the current frame is received by the receiving interface (1110) and if the current frame being received by the receiving interface (1110) is not corrupted. Moreover, the audio signal reconstructor (1130) is configured to reconstruct a second portion of the reconstructed audio signal depending on the one or more second audio signal coefficients, if the current frame is not received by the receiving interface (1110) or if the current frame being received by the receiving interface (1110) is corrupted.
摘要翻译：提供了一种用于解码编码音频信号以获得重构音频信号的装置。该装置包括用于接收一个或多个帧的接收接口（1110），系数发生器（1120）和信号重构器（1130）。所述系数发生器（1120）被配置为：如果由所述接收接口（1110）接收到所述一个或多个帧的当前帧，并且如果所述接收接口（1110）接收到的当前帧未被破坏，则一个或由当前帧组成的更多第一音频信号系数，其中所述一个或多个第一音频信号系数表示编码音频信号的特性，以及指示编码音频信号的背景噪声的一个或多个噪声系数。此外，系数发生器（1120）被配置为根据一个或多个第一音频信号系数并根据一个或多个噪声系数来生成一个或多个第二音频信号系数，如果当前帧未被接收接口（1110）或者如果由接收接口（1110）接收的当前帧被破坏。如果当前帧由接收接口（1110）接收并且当前帧被接收，音频信号重构器（1130）被配置为根据一个或多个第一音频信号系数来重构重构音频信号的第一部分由接收界面（1110）不被破坏。此外，音频信号重构器（1130）被配置为如果当前帧未被接收接口（1110）接收，或者如果当前帧的当前帧，则根据一个或多个第二音频信号系数来重构重构音频信号的第二部分由接收接口（1110）接收的帧被破坏。

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