VERFAHREN, VORRICHTUNG, ENDGERÄT UND SYSTEM ZUR AUTOMATISCHEN ERKENNUNG VERZERRTER SPRACHDATEN

VERFAHREN, VORRICHTUNG, ENDGERÄT UND SYSTEM ZUR AUTOMATISCHEN ERKENNUNG VERZERRTER SPRACHDATEN

A method and a device for processing distorted short-term speech spectra for automatic speech recognition is described. The method comprises providing a set of reference speech spectra, determining the reference speech spectra of the set of references speech spectra which corresponds to the distorte...

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Bibliographische Detailangaben
Hauptverfasser: HIRSCH, HANS-GUENTHER, SPRINGER, VOLKER, KLISCH, RAINER
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 and a device for processing distorted short-term speech spectra for automatic speech recognition is described. The method comprises providing a set of reference speech spectra, determining the reference speech spectra of the set of references speech spectra which corresponds to the distorted short-term speech spectra, estimating a frequency response taking into account both the distorted short-term speech spectra and the corresponding reference speech spectra, and compensating the distorted short-term speech spectra based on the estimated frequency response.