Wilfried Leblanc

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This paper presents a novel time-domain algorithm for detecting and attenuating the acoustic effect of wind noise in speech signals originating from mobile terminals. The detection part makes use of metrics that exploits the properties of the spectral envelop of wind noise as well as its non-periodic and non-harmonic nature. LPC analyses of various orders(More)
This paper presents a new method for improving the performance of an acoustic echo canceller operating in a hands-free telephony context, where the terminal connects to an external amplifier whose volume can be changed arbitrarily. This change would normally results in the canceller loosing convergence, and temporarily causes an echo to be heard by the far(More)
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