Stefan Bilbao

2 accepted papers

2025

Interpolation Filter Design for Sample Rate Independent Audio Effect RNNs

Alistair Carson, Alec Wright, Stefan Bilbao

ICASSP 2025accepted

Recurrent neural networks (RNNs) are effective at emulating the non-linear, stateful behavior of analog guitar amplifiers and distortion effects. Unlike the case of direct circuit simulation, RNNs have a fixed sample rate encoded in their model weights, making the sample rate non-adjustable during i…

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2020

Interpolation and Range Extrapolation of Sound Source Directivity Based on a Spherical Wave Propagation Model

Jens Ahrens, Stefan Bilbao

ICASSP 2020accepted

Approaches for incorporating sound source directivity into wave-based room acoustic simulations using a spherical harmonic representation have been presented recently. Normally, the directivity is measured or prescribed on a spherical surface centered at the nominal source position. In wave-based si…

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