US 11,996,106 B2
Apparatus and method for encoding and decoding an encoded audio signal using temporal noise/patch shaping
Sascha Disch, Fuerth (DE); Frederik Nagel, Nuremberg (DE); Ralf Geiger, Erlangen (DE); Balaji Nagendran Thoshkahna, Erlangen (DE); Konstantin Schmidt, Nuremberg (DE); Stefan Bayer, Nuremberg (DE); Christian Neukam, Kalchreuth (DE); Bernd Edler, Fuerth (DE); and Christian Helmrich, Fuerth (DE)
Assigned to Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e. V., Munich (DE)
Filed by Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V., Munich (DE)
Filed on Jun. 4, 2021, as Appl. No. 17/339,270.
Application 15/431,571 is a division of application No. 14/680,743, filed on Apr. 7, 2015, granted, now 10,332,539, issued on Jun. 25, 2019.
Application 17/339,270 is a continuation of application No. 16/417,471, filed on May 20, 2019, granted, now 11,049,506.
Application 16/417,471 is a continuation of application No. 15/431,571, filed on Feb. 13, 2017, granted, now 10,347,274, issued on Jul. 9, 2019.
Application 14/680,743 is a continuation of application No. PCT/EP2014/065123, filed on Jul. 15, 2014.
Claims priority of application No. 13177346 (EP), filed on Jul. 22, 2013; application No. 13177348 (EP), filed on Jul. 22, 2013; application No. 13177350 (EP), filed on Jul. 22, 2013; application No. 13177353 (EP), filed on Jul. 22, 2013; and application No. 13189358 (EP), filed on Oct. 18, 2013.
Prior Publication US 2021/0295853 A1, Sep. 23, 2021
This patent is subject to a terminal disclaimer.
Int. Cl. G10L 19/008 (2013.01); G10L 19/02 (2013.01); G10L 19/022 (2013.01); G10L 19/025 (2013.01); G10L 19/03 (2013.01); G10L 19/032 (2013.01); G10L 19/06 (2013.01); G10L 21/0388 (2013.01); G10L 25/06 (2013.01); G10L 25/18 (2013.01); G10L 25/21 (2013.01); H04S 1/00 (2006.01)
CPC G10L 19/008 (2013.01) [G10L 19/0204 (2013.01); G10L 19/0208 (2013.01); G10L 19/0212 (2013.01); G10L 19/022 (2013.01); G10L 19/025 (2013.01); G10L 19/03 (2013.01); G10L 19/032 (2013.01); G10L 19/06 (2013.01); G10L 21/0388 (2013.01); G10L 25/06 (2013.01); G10L 25/18 (2013.01); G10L 25/21 (2013.01); H04S 1/007 (2013.01); G10L 19/02 (2013.01)] 27 Claims
OG exemplary drawing
 
1. An apparatus for decoding an encoded audio signal, the encoded audio signal comprising prediction filter information, comprising:
a spectral domain audio decoder configured for generating a decoded representation of a first set of first spectral portions, the decoded representation of the first set of first spectral portions being spectral prediction residual values for the first set of first spectral portions;
a frequency regenerator configured for generating reconstructed spectral prediction residual values of two reconstructed second spectral portions using the spectral prediction residual values for one or more first spectral portions of the first set of first spectral portions, wherein the reconstructed second spectral portions are different, with respect to frequency, from the one or more first spectral portions of the first set of first spectral portions, wherein a first spectral portion of the one or more first spectral portions of the first set of first spectral portions is placed, with respect to frequency, between the two reconstructed second spectral portions; and
an inverse prediction filter configured for performing an inverse prediction over frequency using, as an input signal into the inverse prediction filter, the spectral prediction residual values for the first set of first spectral portions and the reconstructed spectral prediction residual values for the two reconstructed second spectral portions, wherein the inverse prediction filter is configured using the prediction filter information comprised in the encoded audio signal.