Sparse modeling of the early part of noisy room impulse responses with sparse bayesian learning

M Fu, JR Jensen, Y Li… - ICASSP 2022-2022 IEEE …, 2022 - ieeexplore.ieee.org
A model of a room impulse response (RIR) is useful for a wide range of applications.
Typically, the early part of a RIR is sparse, and its sparse structure allows for accurate and …

A scalable algorithm for physically motivated and sparse approximation of room impulse responses with orthonormal basis functions

G Vairetti, E De Sena, M Catrysse… - … on Audio, Speech …, 2017 - ieeexplore.ieee.org
Parametric modeling of room acoustics aims at representing room transfer functions by
means of digital filters and finds application in many acoustic signal enhancement …

Sparse parametric modeling of the early part of acoustic impulse responses

C Papayiannis, C Evers… - 2017 25th European Signal …, 2017 - ieeexplore.ieee.org
Acoustic channels are typically described by their Acoustic Impulse Response (AIR) as a
Moving Average (MA) process. Such AIRs are often considered in terms of their early and …

Parametric approximation of piano sound based on Kautz model with sparse linear prediction

K Kobayashi, D Takeuchi, M Iwamoto… - … , Speech and Signal …, 2018 - ieeexplore.ieee.org
The piano is one of the most popular and attractive musical instruments that leads to a lot of
research on it. To synthesize the piano sound in a computer, many modeling methods have …

[PDF][PDF] Efficient parametric modeling, identification and equalization of room acoustics

G Vairetti - 2018 - lirias.kuleuven.be
Here I am, finally writing what feels like the final chapter of a very long story, and I am not
only referring to the length of this manuscript, but to the journey that had led to it. It all started …

Sparse System Identification in Pairs of Pulse and Takenaka--Malmquist Bases

D Xiong, L Chai, J Zhang - SIAM Journal on Control and Optimization, 2020 - SIAM
This paper considers the identification of a rational transfer function with sparse coefficients,
under a pair of pulse and Takenaka--Malmquist (TM) bases and from a limited number of …

An automatic model-building algorithm for sparse approximation of room impulse responses with orthonormal basis functions

G Vairetti, T van Waterschoot, M Moonen… - … on Acoustic Signal …, 2014 - ieeexplore.ieee.org
Orthonormal Basis Function (OBF) models are used to define stable fixed-poles infinite
impulse response filter structures that allow to incorporate knowledge about the resonant …

[PDF][PDF] Identification of room boundaries for sound field estimation

MAC Minguez - 2016 - researchgate.net
Echoes generated by the sound reflected off the walls of a room carry information about the
geometry of the enclosure. Capitalization of this acoustic property could lead to …

Validación y ajuste de un modelo paramétrico de respuesta al impulso para el cálculo de parámetros acústicos de salas

D Iglesias Canelo - 2020 - oa.upm.es
Este trabajo tiene como objetivo implementar un modelo de respuesta al impulso acústica
basado en un número de parámetros reducido y comprobar su validez para el cálculo de …

[PDF][PDF] DEREVERBERATION AND NOISE REDUCTION TECHNIQUES BASED ON ACOUSTIC MULTI-CHANNEL EQUALIZATION

I Kodrasi - 2015 - theses.eurasip.org
In many hands-free speech communication applications such as teleconferencing or voice-
controlled applications, the recorded microphone signals do not only contain the desired …