TIME SCALE MODIFICATION OF DIGITAL SIGNAL IN THE TIME DOMAIN

TIME SCALE MODIFICATION OF DIGITAL SIGNAL IN THE TIME DOMAIN

A system is disclosed for generating a time scale modification of a digital waveform. A digital waveform provider produces an input digital waveform at a first time resolution, the digital waveform being a sequence of overlapping speech segment windows. A time-domain time scale modification process...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: RUTTEN, PETER, VAN COILE, BERT, COORMAN, GEERT, DEMOORTEL, JAN
Format: Patent
Sprache:eng ; fre
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 system is disclosed for generating a time scale modification of a digital waveform. A digital waveform provider produces an input digital waveform at a first time resolution, the digital waveform being a sequence of overlapping speech segment windows. A time-domain time scale modification process overla p adds selected windows from the input digital waveform to create an output digital waveform representing a time scale modification of the input digital waveform. The process operates at a second time resolution lower than the first time resolution to determine the relative positions between adjacent windows in the output digital waveform.