Alexander A. Petrovsky — accepted AI-conference papers

2017

Real-time implementation of hearing aid with combined noise and acoustic feedback reduction based on smartphone

Maxim Vashkevich, Elias Azarov, Nick Petrovsky, Denis Likhachov, Alexander A. Petrovsky

ICASSP 2017accepted

The demonstration presents a real-time mockup of smartphone- based hearing aid with combined noise and acoustic feedback reduction. The designed reduction algorithm is based on spectral weighting approach which makes it very robust to rapid changes in feedback path either caused by displacement of t…

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2016

Instantaneous pitch estimation algorithm based on multirate sampling

Elias Azarov, Maxim Vashkevich, Alexander A. Petrovsky

ICASSP 2016accepted

The paper presents an algorithm for accurate pitch estimation that takes advantage of the sinusoidal model with instantaneous parameters. The algorithm decomposes the signal into subband components, extracts their instantaneous parameters and evaluates period candidate generating function (PCGF). In…

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