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AssigneeFraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V.
InventorsAndreas NIEDERMEIER, Sascha DISCH
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An apparatus for processing an encoded audio signal, which includes a sequence of access units, each access unit including a core signal with a first spectral width and parameters describing a spectrum above the first spectral width, has a demultiplexer generating, from an access unit of the encoded audio signal, the core signal and a set of the parameters, an upsampler upsampling the core signal of the access unit and outputting a first upsampled spectrum and a timely consecutive second upsampled spectrum, the first upsampled spectrum and the second upsampled spectrum, both, having a same content as the core signal and having a second spectral width being greater than the first spectral width of the core spectrum, a parameter converter converting parameters of the set of parameters of the access unit to obtain converted parameters, and a spectral gap filling processor processing the first upsampled spectrum and the second upsampled spectrum using the converted parameters.
An apparatus for processing an encoded audio signal, said encoded audio signal comprising a sequence of access units, each access unit comprising a core signal with a first spectral width and parameters describing a spectrum above the first spectral width, said apparatus comprising:
A method for processing an encoded audio signal, said encoded audio signal comprising a sequence of access units, each access unit comprising a core signal with a first spectral width and parameters describing a spectrum above the first spectral width, said method comprising:
Dependencies are inferred from the claim text.