Abstract
An apparatus 100 is provided for generating spectral substitution values for an audio signal. Apparatus 100 includes a buffer unit 110 that stores previous spectral values for previously received error-free audio frames. The apparatus 100 also includes a hidden frame generator 120 for generating spectral substitution values when a current audio frame is not received or there is an error in the current audio frame. The previously received error-free audio frame includes filter information, the filter information being associated with a filter stability value that indicates the stability of the predictive filter. The hidden frame generator 120 is configured to generate spectral replacement values based on the previous spectral values and the filter stability value.
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| Declaration Date | Declaration Reference | Declaring Company | Specification Number | ||||||
| 4G,3G | 06/03/2016 | ISLD-201512-009 | FRAUNHOFER SOCIETY | No | Family Member | ||||
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| RU2013142135A | 4G,3G | 06/03/2016 | ISLD-201512-009 | FRAUNHOFER SOCIETY | No | Family Member | ||||
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| WO2012110447A1 | 4G,3G | 06/03/2016 | ISLD-201512-009 | FRAUNHOFER SOCIETY | Yes | Basis Patent | ||||
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Explicitly disclosed patent:openly and comprehensibly describes all details of the invention in the patent document.
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