Roch Lefebvre

Publication Activity (10 Years)

Years Active: 1993-2024
Publications (10 Years): 8

Top Topics

Emotion Recognition

Top Venues

Publications

Niloofar Omidi Piralideh, Philippe Gournay, Roch Lefebvre
Zero-Bit Transmission of Adaptive Pre- and De-Emphasis Filters for Speech and Audio Coding. TSP (2024)
Philippe Gournay, Olivier Lahaie, Roch Lefebvre
A canadian french emotional speech dataset. MMSys (2018)
Olivier Lahaie, Roch Lefebvre, Philippe Gournay
Influence of audio bandwidth on speech emotion recognition by human subjects. GlobalSIP (2017)
Jimmy Lapierre, Roch Lefebvre
Pre-echo noise reduction in frequency-domain audio codecs. ICASSP (2017)
Patrick Robitaille, Samuel Trempe, Philippe Gournay, Roch Lefebvre
On the influence of quantization on the identifiability of emotions from voice coding parameters. ICASSP (2016)
Felix Labelle, Roch Lefebvre, Philippe Gournay
A subjective evaluation of the effects of speech coding on the perception of emotions. ISPACS (2016)
Jean-Marc Valin, Roch Lefebvre
Bandwidth Extension of Narrowband Speech for Low Bit-Rate Wideband Coding. CoRR (2016)
Vincent Santini, Philippe Gournay, Roch Lefebvre
A study of the perceptual relevance of the burst phase of stop consonants with implications in speech coding. MMSP (2016)
K. Lakhdhar, Roch Lefebvre
Context-Based Adaptive Arithmetic Encoding of EAVQ Indices. IEEE Trans. Speech Audio Process. 20 (5) (2012)
Charles Mercier, Roch Lefebvre
A blind signal-to-noise ratio estimator for high noise speech recordings. INTERSPEECH (2010)
Max Neuendorf, Philippe Gournay, Markus Multrus, Jérémie Lecomte, Bruno Bessette, Ralf Geiger, Stefan Bayer, Guillaume Fuchs, Johannes Hilpert, Nikolaus Rettelbach, Redwan Salami, Gerald Schuller, Roch Lefebvre, Bernhard Grill
Unified speech and audio coding scheme for high quality at low bitrates. ICASSP (2009)
Tommy Vaillancourt, Milan Jelinek, Redwan Salami, Vladimir Malenovsky, Roch Lefebvre
Inter-tone noise reduction in a low bit rate CELP decoder. ICASSP (2009)
Catherine Lemyre, Milan Jelinek, Roch Lefebvre
New approach to voiced onset detection in speech signal and its application for frame error concealment. ICASSP (2008)
Yusuke Hiwasaki, Shigeaki Sasaki, Hitoshi Ohmuro, Takeshi Mori, Jongmo Seong, Mi Suk Lee, Balázs Kövesi, Stéphane Ragot, Jean-Luc Garcia, Claude Marro, Lei Miao, Jianfeng Xu, Vladimir Malenovsky, Jimmy Lapierre, Roch Lefebvre
G.711.1: A wideband extension to ITU-T G.711. EUSIPCO (2008)
Jimmy Lapierre, Roch Lefebvre, Bruno Bessette, Vladimir Malenovsky, Redwan Salami
Noise shaping in an ITU-T G.711-interoperable embedded codec. EUSIPCO (2008)
Mohamed Chibani, Roch Lefebvre, Philippe Gournay
Fast Recovery for a CELP-Like Speech Codec After a Frame Erasure. IEEE Trans. Speech Audio Process. 15 (8) (2007)
Tommy Vaillancourt, Milan Jelinek, Redwan Salami, Roch Lefebvre
Efficient Frame Erasure Concealment in Predictive Speech Codecs using Glottal Pulse Resynchronisation. ICASSP (4) (2007)
Mylène D. Kwong, Soumaya Cherkaoui, Roch Lefebvre
Multiple Description and Multi-Path Routing for Robust Voice Transmission over Ad Hoc Networks. WiMob (2006)
Mohamed Chibani, Roch Lefebvre, Philippe Gournay
Resynchronization of the Adaptive Codebook in a Constrained celp Codec After a Frame Erasure. ICASSP (1) (2006)
Guillaume Fuchs, Roch Lefebvre
A New Post-Filtering for Artificially Replicated High-Band in Speech Coders. ICASSP (1) (2006)
Emmanuel Ravelli, Philippe Gournay, Roch Lefebvre
A Two-Stage MLP+NLMS Lossless Coder for Stereo Audio. ICASSP (5) (2006)
Redwan Salami, Roch Lefebvre, Ari Lakaniemi, Kalervo Kontola, Stefan Bruhn, Anisse Taleb
Extended AMR-WB for high-quality audio on mobile devices. IEEE Commun. Mag. 44 (5) (2006)
Rachid Moussaoui, Jean Rouat, Roch Lefebvre
Wavelet Based Independent Component Analysis for Multi-Channel Source Separation. ICASSP (5) (2006)
Mohamed Chibani, Philippe Gournay, Roch Lefebvre
Increasing the Robustness of CELP-Based Coders By Constrained Optimization. ICASSP (1) (2005)
Bruno Bessette, Roch Lefebvre, Redwan Salami
Universal speech/audio coding using hybrid ACELP/TCX techniques. ICASSP (3) (2005)
Guillaume Fuchs, Roch Lefebvre
A speech coder post-processor controlled by side-information. ICASSP (4) (2005)
Roch Lefebvre, Philippe Gournay, Redwan Salami
A study of design compromises for speech coders in packet networks. ICASSP (1) (2004)
Marie Oger, Stéphane Ragot, Roch Lefebvre
Companded lattice VQ for efficient parametric LPC quantization. EUSIPCO (2004)
Stéphane Ragot, Bruno Bessette, Roch Lefebvre
Low-complexity multi-rate lattice vector quantization with application to wideband TCX speech coding at 32 kbit/s. ICASSP (1) (2004)
Philippe Gournay, François Rousseau, Roch Lefebvre
Improved packet loss recovery using late frames for prediction-based speech coders. ICASSP (1) (2003)
Stéphane Ragot, Minjie Xie, Roch Lefebvre
Near-ellipsoidal Voronoi coding. IEEE Trans. Inf. Theory 49 (7) (2003)
Bruno Bessette, Redwan Salami, Roch Lefebvre, Milan Jelinek, J. Rotola-Pukkila, Janne Vainio, Hannu Mikkola, Kari Järvinen
The adaptive multirate wideband speech codec (AMR-WB). IEEE Trans. Speech Audio Process. 10 (8) (2002)
Stéphane Ragot, Hassan Lahdili, Roch Lefebvre
Wideband LSF quantization by generalized voronoi codes. INTERSPEECH (2001)
Bruno Bessette, Roch Lefebvre, Redwan Salami, Milan Jelinek, Janne Vainio, J. Rotola-Pukkila, Hannu Mikkola, Kari Järvinen
Techniques for high-quality ACELP coding of wideband speech. INTERSPEECH (2001)
J. Rotola-Pukkila, Janne Vainio, Hannu Mikkola, Kari Järvinen, Bruno Bessette, Roch Lefebvre, Redwan Salami, Milan Jelinek
AMR wideband codec - leap in mobile communication voice quality. INTERSPEECH (2001)
Stéphane Ragot, Jean-Pierre Adoul, Roch Lefebvre
Hexacode-based quantization of the Gaussian source at 1/2 bit per sample. IEEE Trans. Commun. 49 (12) (2001)
Stéphane Ragot, Roch Lefebvre, Redwan Salami, Jean-Pierre Adoul
Stochastic-algebraic wideband LSF quantization. ICASSP (2000)
Roch Lefebvre, Claude Laflamme
Spectral amplitude warping (SAW) for noise spectrum shaping in audio coding. ICASSP (1997)
Jean-Michel Le Roux, Roch Lefebvre, Jean-Pierre Adoul
Comparison of the wavelet decomposition and the Fourier transform in TCX encoding of wideband speech and audio. ICASSP (1995)
Roch Lefebvre, Redwan Salami, Claude Laflamme, Jean-Pierre Adoul
High quality coding of wideband audio signals using transform coded excitation (TCX). ICASSP (1) (1994)
Roch Lefebvre, Redwan Salami, Claude Laflamme, Jean-Pierre Adoul
8 kbit/s coding of speech with 6 ms frame-length. ICASSP (2) (1993)