Ambient sound enhancement and acoustic noise cancellation based on context

Ambient sound enhancement and acoustic noise cancellation based on context

An audio system has an ambient sound enhancement function, in which an against-the-ear audio device having a speaker converts a digitally processed version of an input audio signal into sound. The audio system also has an acoustic noise cancellation (ANC) function that may be combined in various way...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: BAJIC, Vladan, GREENWOOD, Andrew E, VERMA, Tony S, SAUX, Tom-Davy W, CHEN, Tyrone T, IYENGAR, Vasu, WOODRUFF, John, MAZUR, Jakub
Format: Patent
Sprache:eng
Schlagworte:
BASIC ELECTRONIC CIRCUITRY
CONTROL OF AMPLIFICATION
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 audio system has an ambient sound enhancement function, in which an against-the-ear audio device having a speaker converts a digitally processed version of an input audio signal into sound. The audio system also has an acoustic noise cancellation (ANC) function that may be combined in various ways with the sound enhancement function, and that may be responsive to voice activity detection. Other aspects are also described and claimed.