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Efficient Audio Enhancement With a Differentiable Psychoacoustic Loss

Authors: Abreu, Wallace; Miranda, Bernardo V.; Biscainho, Luiz W. P.
Affiliation: SMT, DEL/Poli & PEE/COPPE, Federal University of Rio de Janeiro, Brazil; SMT, DEL/Poli & PEE/COPPE, Federal University of Rio de Janeiro, Brazil; SMT, DEL/Poli & PEE/COPPE, Federal University of Rio de Janeiro, Brazil; LCTI, Télécom Paris, IP Paris, France
Publication Date: June 2026
Type: Journal Article
Cost: Free to AES members & institutions and $33 to non-members

An Efficient Algorithm for the Restoration of Audio Signals Corrupted with Low-Frequency Pulses

Authors: Esquef, Paulo A. A.; Biscainho, Luiz W. P.; Välimäki, Vesa
Affiliation: Helsinki University of Technology, Laboratory of Acoustics and Audio Signal Processing, HUT, Espoo, Finland ; Universidade Federal do Rio de Janeiro LPS-DEL/POLI, Rio de Janeiro, RJ, Brazil
Publication Date: June 2003
Type: Journal Article
Cost: Free to AES members & institutions and $33 to non-members

The Fast Local Sparsity Method: A Low-Cost Combination of Time-Frequency Representations Based on the Hoyer Sparsity

Authors: da Costa, Maurício do V. M.; Biscainho, Luiz W. P.
Affiliation: Music Technology and Digital Musicology Lab, Institute for Musicology and Music Pedagogy, Osnabrück University, Osnabrück, Germany; Signal Multimedia and Telecommunications Laboratory, DEL/Poli & PEE/COPPE, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
Publication Date: September 2022
Type: Journal Article
Cost: Free to AES members & institutions and $33 to non-members

Efficient HRTF Interpolation in 3D Moving Sound

Authors: Freeland, Fabio P.; Biscainho, Luiz W. P.; Diniz, Paulo S. R.
Affiliation: Universidade Federal do Rio de Janeiro: LPS - PEE/COPPE & DEL/POLI, Rio de Janeiro, RJ - Brazil
Publication Date: June 2002
Type: Conference Paper
Cost: Free to AES members & institutions and $33 to non-members

Sparse Time-Frequency Representations for Polyphonic Audio Based on Combined Efficient Fan-Chirp Transforms

Authors: Costa, Maurício V. M.; Apolinário, Isabela F.; Biscainho, Luiz W. P.
Affiliation: Signals, Multimedia, and Telecommunications Lab (SMT) – DEL/Poli & PEE/COPPE, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil;Signals, Multimedia, and Telecommunications Lab (SMT) – DEL/Poli & PEE/COPPE, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil;Signals, Multimedia, and Telecommunications Lab (SMT) – DEL/Poli & PEE/COPPE, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
Publication Date: November 2019
Type: Journal Article
Cost: Free to AES members & institutions and $33 to non-members

Interpositional Transfer Function for 3D-Sound Generation

Authors: Freeland, Fábio P.; Biscainho, Luiz W. P.; Diniz, Paulo S. R.
Affiliation: Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brazil
Publication Date: September 2004
Type: Journal Article
Cost: Free to AES members & institutions and $33 to non-members

FlexSM: A Flexible Sinusoidal Modeling System

Authors: Nunes, Leonardo O.; Esquef, Paulo A. A.; Biscainho, Luiz W. P.
Affiliation: Universidade Federal do Rio de Janeiro, COPPE, Rio de Janeiro, RJ, Brazil; National Laboratory for Scientific Computing, Department of Systems and Control, Petrópolis, RJ, Brazil
Publication Date: December 2009
Type: Journal Article
Cost: Free to AES members & institutions and $33 to non-members

Diffusion-Based Denoising of Historical Recordings

Authors: Miranda, Bernardo V.; Deslandes, Rafael A.; Irigaray, Ignacio; Biscainho, Luiz W. P.
Affiliation: Signals, Multimedia, and Telecommunications Laboratory, Departamento de Eletrônica e Computação, Escola Politécnica (DEL/POLI), and Programa de Engenharia Elétrica, Instituto Alberto Luiz Coimbra de Pós-Graduação e Pesquisa de Engenharia (PEE/COPPE), Federal University of Rio de Janeiro, Rio de Janeiro, Brazil; Signals, Multimedia, and Telecommunications Laboratory, Departamento de Eletrônica e Computação, Escola Politécnica (DEL/POLI), and Programa de Engenharia Elétrica, Instituto Alberto Luiz Coimbra de Pós-Graduação e Pesquisa de Engenharia (PEE/COPPE), Federal University of Rio de Janeiro, Rio de Janeiro, Brazil; Grupo de Procesamiento de Audio, Facultad de Ingeniería (FING), Instituto de Ingeniería Eléctrica (IIE), Universidad de la República, Montevideo, Uruguay
Publication Date: April 2025
Type: Journal Article
Cost: Free to AES members & institutions and $33 to non-members

Methods for Combining Time-Frequency Representations: A Python Package

Authors: Boechat, Bernardo A.; da Costa, Maurício V. M.; Biscainho, Luiz W. P.
Affiliation: Signals, Multimedia and Telecommunications Laboratory, Department of Electronic and Computer Engineering/Polytechnic School, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil; Signals, Multimedia and Telecommunications Laboratory, Department of Electronic and Computer Engineering/Polytechnic School, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil; Signals, Multimedia and Telecommunications Laboratory, Electrical Engineering Program/Alberto Luiz Coimbra Institute of Graduate Studies and Research in Engineering, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil; Signals, Multimedia and Telecommunications Laboratory, Electrical Engineering Program/Alberto Luiz Coimbra Institute of Graduate Studies and Research in Engineering, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil; Music Technology and Digital Musicology Lab, Institute for Musicology and Music Pedagogy, Osnabrück University, Osnabrück, Germany
Publication Date: May 2026
Type: Journal Article
Cost: Free to AES members & institutions and $33 to non-members