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

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: RAI, Reshma, SATHUVALLI, Saketh, KUMAR, Rajat, KATURI, Ramesh
Format: Patent
Sprache:eng
Schlagworte:
ACOUSTICS
MUSICAL INSTRUMENTS
PHYSICS
SPEECH ANALYSIS OR SYNTHESIS
SPEECH OR AUDIO CODING OR DECODING
SPEECH OR VOICE PROCESSING
SPEECH RECOGNITION
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creator RAI, Reshma
SATHUVALLI, Saketh
KUMAR, Rajat
KATURI, Ramesh
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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subjects ACOUSTICS
MUSICAL INSTRUMENTS
PHYSICS
SPEECH ANALYSIS OR SYNTHESIS
SPEECH OR AUDIO CODING OR DECODING
SPEECH OR VOICE PROCESSING
SPEECH RECOGNITION
title METHODS AND APPARATUS FOR UNIFIED SPEECH AND AUDIO DECODING QMF BASED HARMONIC TRANSPOSER IMPROVEMENTS
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