METHODS AND APPARATUS FOR UNIFIED SPEECH AND AUDIO DECODING QMF BASED HARMONIC TRANSPOSER IMPROVEMENTS

The present disclosure relates to an apparatus for decoding an encoded Unified Audio and Speech stream. The apparatus comprises a core decoder for decoding the encoded Unified Audio and Speech stream. The core decoder includes an eSBR unit for extending a bandwidth of an input signal, the eSBR unit...

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Hauptverfasser: RESHMA RAI, RAMESH KATURI, SAKETH SATHUVALLI, RAJAT KUMAR
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creator RESHMA RAI
RAMESH KATURI
SAKETH SATHUVALLI
RAJAT KUMAR
description The present disclosure relates to an apparatus for decoding an encoded Unified Audio and Speech stream. The apparatus comprises a core decoder for decoding the encoded Unified Audio and Speech stream. The core decoder includes an eSBR unit for extending a bandwidth of an input signal, the eSBR unit including a QMF based harmonic transposer. The QMF based harmonic transposer is configured to process the input signal in the QMF domain, in each of a plurality of synthesis subbands, to extend the bandwidth of the input signal. The QMF based harmonic transposer is configured to operate at least in part based on pre-computed information. The present disclosure further relates to corresponding methods and storage media.
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title METHODS AND APPARATUS FOR UNIFIED SPEECH AND AUDIO DECODING QMF BASED HARMONIC TRANSPOSER IMPROVEMENTS
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