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41. 发明公开

EP3239979A1 CODING GENERIC AUDIO SIGNALS AT LOW BITRATES AND LOW DELAY 有权转让
标题翻译：在低位和低延时下对通用音频信号进行编码
公开(公告)号：EP3239979A1
公开(公告)日：2017-11-01
申请号：EP17175692.7
申请日：2011-10-24
申请人： VoiceAge Corporation
发明人： VAILLANCOURT, Tommy , JELINEK, Milan
IPC分类号： G10L19/08 , G10L19/20 , G10L19/02
CPC分类号： G10L19/20 , G10L19/02 , G10L19/08
摘要： A mixed time-domain / frequency-domain coding device for coding an input sound signal, comprising:
a calculator of a time-domain excitation contribution in response to the input sound signal, wherein the calculator of time-domain excitation contribution processes the input sound signal in successive frames of said input sound signal and comprises a calculator of a number of sub-frames to be used in a current frame of the input sound signal, wherein the calculator of time-domain excitation contribution uses in the current frame the number of sub-frames determined by the sub-frame number calculator for said current frame;
a calculator of a frequency-domain excitation contribution in response to the input sound signal; and
an adder of the time-domain excitation contribution and the frequency-domain excitation contribution to form a mixed time-domain / frequency-domain excitation constituting a coded version of the input sound signal.
Corresponding coding method, decoding device and method are also described.
摘要翻译： 1。一种用于对输入声音信号进行编码的混合时域/频域编码装置，包括：响应于输入声音信号的时域激励贡献的计算器，其中时域激励贡献计算器处理输入声音信号，并且包括在输入声音信号的当前帧中要使用的多个子帧的计算器，其中时域激励贡献计算器在当前帧中使用由所述当前帧的子帧号计算器确定的子帧; 响应于输入声音信号的频域激励贡献的计算器; 以及时域激励贡献和频域激励贡献的加法器，以形成构成输入声音信号的编码版本的混合时域/频域激励。还描述了对应的编码方法，解码设备和方法。

42. 发明授权

EP2162880B1 METHOD AND DEVICE FOR ESTIMATING THE TONALITY OF A SOUND SIGNAL 有权转让
标题翻译：方法和设备，用于估计的声音信号的功能
公开(公告)号：EP2162880B1
公开(公告)日：2014-12-24
申请号：EP08783143.4
申请日：2008-06-20
申请人： VoiceAge Corporation
发明人： MALENOWSKY, Vladimir , JELINEK, Milan , VAILLANCOURT, Tommy , SALAMI, Redwan
IPC分类号： G10L25/78 , G10L19/22
CPC分类号： G10L25/78 , G10L19/22

43. 发明公开

EP2774145A1 IMPROVING NON-SPEECH CONTENT FOR LOW RATE CELP DECODER 有权转让
标题翻译：改进非NICHTSPRACHLICHEM内容CELP解码器率低
公开(公告)号：EP2774145A1
公开(公告)日：2014-09-10
申请号：EP12844916.2
申请日：2012-11-01
申请人： VoiceAge Corporation
发明人： VAILLANCOURT, Tommy , JELINEK, Milan
IPC分类号： G10L19/04
CPC分类号： H03G3/20 , G10L19/08 , G10L19/20 , G10L19/22 , G10L19/26 , G10L25/78 , G10L25/81 , G10L25/93
摘要： A method and device for modifying a synthesis of a time-domain excitation decoded by a time-domain decoder, wherein the synthesis of the decoded time- domain excitation is classified into one of a number of categories. The decoded time-domain excitation is converted into a frequency-domain excitation, and the frequency-domain excitation is modified as a function of the category in which the synthesis of the decoded time-domain excitation is classified. The modified frequency-domain excitation is converted into a modified time-domain excitation, and a synthesis filter is supplied with the modified time-domain excitation to produce a modified synthesis of the decoded time-domain excitation.

44. 发明公开

EP2162880A1 METHOD AND DEVICE FOR SOUND ACTIVITY DETECTION AND SOUND SIGNAL CLASSIFICATION 有权转让
标题翻译：方法和设备，用于估计的声音信号的功能
公开(公告)号：EP2162880A1
公开(公告)日：2010-03-17
申请号：EP08783143.4
申请日：2008-06-20
申请人： Voiceage Corporation
发明人： MALENOWSKY, Vladimir , JELINEK, Milan , VAILLANCOURT, Tommy , SALAMI, Redwan
IPC分类号： G10L11/00 , G10L19/02 , G10L21/02
CPC分类号： G10L25/78 , G10L19/22
摘要： A device and method for estimating a tonality of a sound signal comprise: calculating a current residual spectrum of the sound signal; detecting peaks in the current residual spectrum; calculating a correlation map between the current residual spectrum and a previous residual spectrum for each detected peak; and calculating a long-term correlation map based on the calculated correlation map, the long-term correlation map being indicative of a tonality in the sound signal.

45. 发明授权

EP1509906B1 METHOD AND DEVICE FOR PITCH ENHANCEMENT OF DECODED SPEECH 有权
标题翻译：方法和系统基准利率改善解码语音信号
公开(公告)号：EP1509906B1
公开(公告)日：2008-06-25
申请号：EP03727092.3
申请日：2003-05-30
申请人： Voiceage Corporation
发明人： BESSETTE, Bruno , LAFLAMME, Claude , JELINEK, Milan , LEFEBVRE, Roch
IPC分类号： G10L21/02 , G10L19/14
CPC分类号： G10L21/0364 , G10L19/26 , G10L21/0232
摘要： In a method and device for post-processing a decoded sound signal in view of enhancing a perceived quality of this decoded sound signal, the decoded sound signal is divided into a plurality of frequency sub-band signals, and post-processing is applied to at least one of the frequency sub-band signal. After post-processing of this at least one frequency sub-band signal, the frequency sub-band signals may be added to produce an output post-processed decoded sound signal. In this manner, the post-processing can be localized to a desired sub-band or sub-bands with leaving other sub-bands virtually unaltered.

46. 发明公开

EP3961623A1 METHOD AND SYSTEM FOR DECODING LEFT AND RIGHT CHANNELS OF A STEREO SOUND SIGNAL 审中-实审
公开(公告)号：EP3961623A1
公开(公告)日：2022-03-02
申请号：EP21201478.1
申请日：2016-09-22
申请人： VoiceAge Corporation
发明人： VAILLANCOURT, Tommy , JELINEK, Milan
IPC分类号： G10L25/03 , G10L25/51 , G10L19/008 , G10L19/002 , G10L19/06 , G10L19/24
摘要： A stereo sound decoding method and system decode left and right channels of a stereo sound signal, using received encoding parameters comprising encoding parameters of a primary channel, encoding parameters of a secondary channel, and a factor β . The primary channel encoding parameters comprise LP filter coefficients of the primary channel. The primary channel is decoded in response to the primary channel encoding parameters. The secondary channel is decoded using one of a plurality of coding models, wherein at least one of the coding models uses the primary channel LP filter coefficients to decode the secondary channel. The decoded primary and secondary channels are time domain up-mixed using the factor β to produce the decoded left and right channels of the stereo sound signal, wherein the factor β determines respective contributions of the primary and secondary channels upon production of the left and right channels.

47. 发明公开

EP3353778A1 METHOD AND SYSTEM USING A LONG-TERM CORRELATION DIFFERENCE BETWEEN LEFT AND RIGHT CHANNELS FOR TIME DOMAIN DOWN MIXING A STEREO SOUND SIGNAL INTO PRIMARY AND SECONDARY CHANNELS 有权
公开(公告)号：EP3353778A1
公开(公告)日：2018-08-01
申请号：EP16847684.4
申请日：2016-09-22
申请人： VoiceAge Corporation
发明人： VAILLANCOURT, Tommy , JELINEK, Milan
IPC分类号： G10L19/008 , G10L19/02 , H04S1/00
CPC分类号： G10L19/008 , G10L19/002 , G10L19/032 , G10L19/06 , G10L19/09 , G10L19/24 , G10L25/03 , G10L25/21 , G10L25/51 , H04S1/007 , H04S2400/01 , H04S2400/03
摘要： A stereo sound encoding method and system, for encoding left and right channels of a stereo sound signal, down mix the left and right channels of the stereo sound signal to produce primary and secondary channels and encode the primary and secondary channels. Encoding the primary channel and encoding the secondary channel comprise determining a first bit budget to encode the primary channel and a second bit budget to encode the secondary channel. If the second bit budget is sufficient, the secondary channel is encoded using a four subframes model and, if the second bit budget is insufficient for using the four subframes model, the secondary channel is encoded using a two subframes model.

48. 发明授权

EP1509903B1 METHOD AND DEVICE FOR EFFICIENT FRAME ERASURE CONCEALMENT IN LINEAR PREDICTIVE BASED SPEECH CODECS 有权转让
标题翻译：方法和设备帧出错的线性预测语音编码器将实际隐瞒
公开(公告)号：EP1509903B1
公开(公告)日：2017-04-12
申请号：EP03727094.9
申请日：2003-05-30
申请人： VoiceAge Corporation
发明人： JELINEK, Milan , GOURNAY, Philippe
IPC分类号： G10L19/005
CPC分类号： G10L19/005

49. 发明公开

EP2633521A1 CODING GENERIC AUDIO SIGNALS AT LOW BITRATES AND LOW DELAY 有权转让
标题翻译： KODIERUNG GENERISCHER AUDIOSIGNALE BEI NIEDRIGEN BITRATEN UND GERINGERVERZÖGERUNG
公开(公告)号：EP2633521A1
公开(公告)日：2013-09-04
申请号：EP11835383.8
申请日：2011-10-24
申请人： VoiceAge Corporation
发明人： VAILLANCOURT, Tommy , JELINEK, Milan
IPC分类号： G10L19/12
CPC分类号： G10L19/20 , G10L19/02 , G10L19/08
摘要： A mixed time-domain / frequency-domain coding device and method for coding an input sound signal, wherein a time-domain excitation contribution is calculated in response to the input sound signal. A cut-off frequency for the time-domain excitation contribution is also calculated in response to the input sound signal, and a frequency extent of the time-domain excitation contribution is adjusted in relation to this cut-off frequency. Following calculation of a frequency-domain excitation contribution in response to the input sound signal, the adjusted time-domain excitation contribution and the frequency-domain excitation contribution are added to form a mixed time-domain / frequency-domain excitation constituting a coded version of the input sound signal. In the calculation of the time-domain excitation contribution, the input sound signal may be processed in successive frames of the input sound signal and a number of sub-frames to be used in a current frame may be calculated. Corresponding encoder and decoder using the mixed time-domain / frequency-domain coding device are also described.
摘要翻译：用于编码输入声音信号的混合时域/频域编码装置和方法，其中响应于所输入的声音信号计算时域激励贡献。还响应于输入声音信号计算时域激励贡献的截止频率，并且相对于该截止频率调整时域激励贡献的频率范围。在响应于输入声音信号计算频域激励贡献之后，调整调整的时域激励贡献和频域激励贡献以形成构成编码版本的混合时域/频域激励输入声音信号。在时域激励贡献的计算中，可以在输入声音信号的连续帧中处理输入声音信号，并且可以计算要在当前帧中使用的多个子帧。

50. 发明公开

EP2252996A1 SYSTEM AND METHOD FOR ENHANCING A DECODED TONAL SOUND SIGNAL 审中-公开
标题翻译：系统和方法用于加强解码音频信号
公开(公告)号：EP2252996A1
公开(公告)日：2010-11-24
申请号：EP09717868.5
申请日：2009-03-05
申请人： Voiceage Corporation
发明人： VAILLANCOURT, Tommy , JELINEK, Milan , MALENOVSKY, Vladimir , SALAMI, Redwan
IPC分类号： G10L21/02 , G10L19/12
CPC分类号： G10L19/26 , G10L25/18
摘要： A system and method for enhancing a tonal sound signal decoded by a decoder of a speech-specific codec in response to a received coded bit stream, in which a spectral analyser is responsive to the decoded tonal sound signal to produce spectral parameters representative of the decoded tonal sound signal. A quantization noise in low-energy spectral regions of the decoded tonal sound signal is reduced in response to the spectral parameters produced by the spectral analyser. The spectral analyser divides a spectrum resulting from spectral analysis into a set of critical frequency bands each comprising a number of frequency bins, and the reducer of quantization noise comprises a noise attenuator that scales the spectrum of the decoded tonal sound signal per critical frequency band, per frequency bin, or per both critical frequency band and frequency bin.

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