Voice activity detector - PowerPoint PPT Presentation

Pitch-synchronous overlap add (TD-PSOLA)

Pitch-synchronous overlap add (TD-PSOLA). Purpose: Modify pitch or timing of a signal. PSOLA is a time domain algorithm Pseudo code Find the pitch points of the signal Apply H anning window centered on the pitch points and extending to the next and previous pitch point Add waves back

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Leakage Problems in Array Speech Processing Julien Bourgeois Martigny - September 2003

Leakage Problems in Array Speech Processing Julien Bourgeois Martigny - September 2003. x 1 (t). x 4 (t). Array Processor. Context of the work. Several simultaneous speakers (sources) spatially located. Road Noise spatially diffuse. s 2 (t). s 1 (t). Microphone Array

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233 views • 14 slides

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