METHOD AND DEVICE FOR SEPARATING SIGNAL SOURCE

METHOD AND DEVICE FOR SEPARATING SIGNAL SOURCE

PROBLEM TO BE SOLVED: To provide a technique for separating a signal from a mixture of a 1st source signal related to a 1st source and a 2nd source signal related to a 2nd source. SOLUTION: Two signals are obtained first which represent two mixtures of the 1st source signal and 2nd source signal. Th...

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Bibliographische Detailangaben
Hauptverfasser: DELIGNE SABINE V, DHARANIPRAGADA SATYANARAYANA
Format: Patent
Sprache:eng
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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Zusammenfassung:PROBLEM TO BE SOLVED: To provide a technique for separating a signal from a mixture of a 1st source signal related to a 1st source and a 2nd source signal related to a 2nd source. SOLUTION: Two signals are obtained first which represent two mixtures of the 1st source signal and 2nd source signal. Those two signals and at least one known statistical characteristic related to the 1st and 2nd sources are used and the 1st source signal is separated from the mixtures in a nonlinear signal domain without the need to use a reference signal. COPYRIGHT: (C)2004,JPO&NCIPI