Device and method for processing an audio signal

Details Device and method for processing an audio signal Device and method for processing an audio signal

2007-11-13

2007-11-13

Abebe, Daniel (Department: 2626)

Data processing: speech signal processing, linguistics, language

Speech signal processing

C704S203000

Reexamination Certificate

active

10477816

ABSTRACT:
The invention concerns audio signal processing, comprising: a first processing of an audio source signal, using at least a mathematical transform applied on first sequences of samples obtained by applying first segmentation windows on the audio source signal; and a second audio processing applied on second sequences of samples obtained by applying second segmentation windows on the signal delivered by the first step; the two successive first windows and/or the two successive second windows overlapping, the overlaps being such that the segmentations are synchronous.

REFERENCES:
patent: 5394473 (1995-02-01), Davidson
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patent: 6418405 (2002-07-01), Satyamurti et al.
patent: 6810273 (2004-10-01), Mattila et al.
“A block least squares approach to acoustic echo cancellation”, Woudenberg et al., Acoustics, Speech, and Signal Processing, Mar. 15, 1999, pp. 869-872.
“Fenster FÜR die FFT—wozu eigentlich?”, Schumann AGH, Elektronik 18/1999, pp. 100-102, 105-106.

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