Patent
Apparatus, method and corresponding computer program for generating an error concealment signal using power compensation
Michael Schnabel,Jérémie Lecomte,Ralph Sperschneider,Manuel Jander +3 more
- 28 Jul 2014
5
TL;DR: In this article, an LPC representation generator (100) and a gain calculator (600) were used to calculate a gain information from the LPC representations, and a compensator (406, 408, 900) was used to weight the codebook information or LPC synthesis output signal.
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Abstract: 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.
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Citations
Patent
Apparatus and method for generating an error concealment signal using an adaptive noise estimation
Michael Schnabel,Jeremie Lecomte,Ralph Sperschneider,Manuel Jander +3 more
- 16 Sep 2016
TL;DR: In this paper, an LPC representation generator was used to generate a replacement LPC, and a noise estimator was used for estimating a noise estimate during a reception of good audio frames.
3
Patent
Error concealment unit, audio decoder, and related method and computer program fading out a concealed audio frame out according to different damping factors for different frequency bands
Jeremie Lecomte,Tomasek Adrian +1 more
- 03 Mar 2017
TL;DR: In this article, an error concealment unit (1402-1045) and a computer program for providing an error-concealment audio information (1407) for concealing a loss of an audio frame in an encoded audio information was presented.
3
Patent
Apparatus and method for generating an error concealment signal using individual replacement LPC representations for individual codebook information
Michael Schnabel,Jeremie Lecomte,Ralph Sperschneider,Manuel Jander +3 more
- 25 Nov 2016
TL;DR: In this paper, an LPC (linear prediction coding) representation generator for generating a first replacement LPC representation and a different second replacement representation, and a replacement signal combiner for combining the first replacement signal and the second replacement signal to obtain the error concealment signal.
3
Patent
Apparatus and method for generating an error concealment signal using power compensation
Michael Schnabel,Jérémie Lecomte,Ralph Sperschneider,Manuel Jander +3 more
- 04 Aug 2020
TL;DR: In this paper, an LPC representation generator for generating a replacement LPC, a gain calculator for calculating a gain information from the LPC representations, and a compensator for compensating a gain influence of the replacement representation using the gain information.
Patent
Error concealment unit, audio decoder, and related method and computer program using characteristics of a decoded representation of a properly decoded audio frame
Lecomte Jeremie,Tomasek Adrian +1 more
- 03 Jan 2019
TL;DR: In this paper, an error concealment unit, method, and computer program is described for encoding a loss of an audio frame in an encoded audio information, based on a properly decoded audio frame preceding the lost audio frame.
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