RESAMPLING OF AN AUDIO SIGNAL FOR ENCODING/DECODING WITH LOW DELAY

RESAMPLING OF AN AUDIO SIGNAL FOR ENCODING/DECODING WITH LOW DELAY

A method and device for resampling an audio frequency signal in an audio frequency signal coding or decoding. The method includes the following acts for each signal block to be resampled: determining, by adaptive linear prediction, a number of future signal samples, this number being defined as a fu...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Kovesi Balazs, Ragot Stephane
Format: Patent
Sprache:eng ; slv
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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Beschreibung
Zusammenfassung:A method and device for resampling an audio frequency signal in an audio frequency signal coding or decoding. The method includes the following acts for each signal block to be resampled: determining, by adaptive linear prediction, a number of future signal samples, this number being defined as a function of a chosen resampling delay; constructing a resampling support vector from at least samples of the current block and determined future signal samples; applying a resampling filter to the samples of the resampling support vector.