APPARATUS AND METHOD FOR AUDIO USER INTERFACE PROCESSING WITH DISPARATE SAMPLING RATES

APPARATUS AND METHOD FOR AUDIO USER INTERFACE PROCESSING WITH DISPARATE SAMPLING RATES

An apparatus and method for an audio user interface solution that avoids the time variation problems seen when using an acoustic echo canceler in an audio system. The solution as disclosed and claimed herein results in lower CPU usage in the audio system because a synchronous sample rate correction...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: Beckmann, Paul Eric
Format: Patent
Sprache:eng
Schlagworte:
DEAF-AID SETS
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS
PUBLIC ADDRESS SYSTEMS
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Beschreibung
Zusammenfassung:An apparatus and method for an audio user interface solution that avoids the time variation problems seen when using an acoustic echo canceler in an audio system. The solution as disclosed and claimed herein results in lower CPU usage in the audio system because a synchronous sample rate correction (SSRC) is performed on the sample rate multiple rate content and the asynchronous sample rate correction (ASRC) is applied on a small number of signals used to feed the ASRC.