VERFAHREN ZUR CODIERUNG EINES QUELLENAUDIOSIGNALS,ENTSPRECHENDE CODIERUNGSEINRICHTUNG, DECODIERUNGSVERFAHREN UND EINRICHTUNG, SIGNAL UND COMPUTERPROGRAMMPRODUKTE

VERFAHREN ZUR CODIERUNG EINES QUELLENAUDIOSIGNALS,ENTSPRECHENDE CODIERUNGSEINRICHTUNG, DECODIERUNGSVERFAHREN UND EINRICHTUNG, SIGNAL UND COMPUTERPROGRAMMPRODUKTE

A method is provided for coding a source audio signal. The method includes the following steps: coding a quantization profile of coefficients representative of at least one transform of the source audio signal, according to at least to distinct coding techniques, delivering at least two sets of data...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: PHILIPPE, PIERRICK, COLLEN, PATRICE, VEAUX, CHRISTOPHE
Format: Patent
Sprache:ger
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 is provided for coding a source audio signal. The method includes the following steps: coding a quantization profile of coefficients representative of at least one transform of the source audio signal, according to at least to distinct coding techniques, delivering at least two sets of data representative of a quantization profile; selecting one of the sets of data representative of a quantization profile, as a function of a predetermined selection criterion; transmitting and/or storing the set of data representative of a selected quantization profile and an indicator representative of the corresponding coding technique.