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ORCIDRoch Lefebvre
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Journal Articles
- 2012
[j6]K. Lakhdhar, Roch Lefebvre:
Context-Based Adaptive Arithmetic Encoding of EAVQ Indices. IEEE Trans. Speech Audio Process. 20(5): 1473-1481 (2012)- 2007
- [j5]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): 2485-2495 (2007) - 2006
- [j4]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): 90-97 (2006) - 2003
- [j3]Stéphane Ragot, Minjie Xie, Roch Lefebvre:
Near-ellipsoidal Voronoi coding. IEEE Trans. Inf. Theory 49(7): 1815-1820 (2003) - 2002
- [j2]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): 620-636 (2002) - 2001
- [j1]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): 2056-2058 (2001)
Conference and Workshop Papers
- 2024
- [c34]Niloofar Omidi Piralideh, Philippe Gournay, Roch Lefebvre:
Zero-Bit Transmission of Adaptive Pre- and De-Emphasis Filters for Speech and Audio Coding. TSP 2024: 211-215 - 2018
- [c33]Philippe Gournay, Olivier Lahaie, Roch Lefebvre:
A canadian french emotional speech dataset. MMSys 2018: 399-402 - 2017
- [c32]Olivier Lahaie, Roch Lefebvre, Philippe Gournay:
Influence of audio bandwidth on speech emotion recognition by human subjects. GlobalSIP 2017: 61-65 - [c31]Jimmy Lapierre, Roch Lefebvre:
Pre-echo noise reduction in frequency-domain audio codecs. ICASSP 2017: 686-690 - 2016
- [c30]Patrick Robitaille, Samuel Trempe, Philippe Gournay, Roch Lefebvre:
On the influence of quantization on the identifiability of emotions from voice coding parameters. ICASSP 2016: 5950-5954 - [c29]Felix Labelle
, Roch Lefebvre, Philippe Gournay:
A subjective evaluation of the effects of speech coding on the perception of emotions. ISPACS 2016: 1-6 - [c28]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: 1-6 - 2010
- [c27]Charles Mercier, Roch Lefebvre:
A blind signal-to-noise ratio estimator for high noise speech recordings. INTERSPEECH 2010: 1001-1004 - 2009
- [c26]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: 1-4 - [c25]Tommy Vaillancourt, Milan Jelinek, Redwan Salami, Vladimir Malenovsky, Roch Lefebvre:
Inter-tone noise reduction in a low bit rate CELP decoder. ICASSP 2009: 4113-4116 - 2008
- [c24]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: 1-5 - [c23]Jimmy Lapierre, Roch Lefebvre, Bruno Bessette, Vladimir Malenovsky, Redwan Salami:
Noise shaping in an ITU-T G.711-interoperable embedded codec. EUSIPCO 2008: 1-5 - [c22]Catherine Lemyre, Milan Jelinek, Roch Lefebvre:
New approach to voiced onset detection in speech signal and its application for frame error concealment. ICASSP 2008: 4757-4760 - 2007
- [c21]Tommy Vaillancourt, Milan Jelinek, Redwan Salami, Roch Lefebvre:
Efficient Frame Erasure Concealment in Predictive Speech Codecs using Glottal Pulse Resynchronisation. ICASSP (4) 2007: 1113-1116 - 2006
- [c20]Mohamed Chibani, Roch Lefebvre, Philippe Gournay:
Resynchronization of the Adaptive Codebook in a Constrained celp Codec After a Frame Erasure. ICASSP (1) 2006: 13-16 - [c19]Emmanuel Ravelli, Philippe Gournay, Roch Lefebvre:
A Two-Stage MLP+NLMS Lossless Coder for Stereo Audio. ICASSP (5) 2006: 177-180 - [c18]Rachid Moussaoui, Jean Rouat, Roch Lefebvre:
Wavelet Based Independent Component Analysis for Multi-Channel Source Separation. ICASSP (5) 2006: 645-648 - [c17]Guillaume Fuchs, Roch Lefebvre:
A New Post-Filtering for Artificially Replicated High-Band in Speech Coders. ICASSP (1) 2006: 713-716 - [c16]Mylène D. Kwong, Soumaya Cherkaoui, Roch Lefebvre:
Multiple Description and Multi-Path Routing for Robust Voice Transmission over Ad Hoc Networks. WiMob 2006: 262-267 - 2005
- [c15]Bruno Bessette, Roch Lefebvre, Redwan Salami:
Universal speech/audio coding using hybrid ACELP/TCX techniques. ICASSP (3) 2005: 301-304 - [c14]Guillaume Fuchs, Roch Lefebvre:
A speech coder post-processor controlled by side-information. ICASSP (4) 2005: 433-436 - [c13]Mohamed Chibani, Philippe Gournay, Roch Lefebvre:
Increasing the Robustness of CELP-Based Coders By Constrained Optimization. ICASSP (1) 2005: 785-788 - 2004
- [c12]Marie Oger, Stéphane Ragot, Roch Lefebvre:
Companded lattice VQ for efficient parametric LPC quantization. EUSIPCO 2004: 1677-1680 - [c11]Roch Lefebvre, Philippe Gournay, Redwan Salami:
A study of design compromises for speech coders in packet networks. ICASSP (1) 2004: 265-268 - [c10]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: 501-504 - 2003
- [c9]Philippe Gournay, François Rousseau, Roch Lefebvre:
Improved packet loss recovery using late frames for prediction-based speech coders. ICASSP (1) 2003: 108-111 - 2001
- [c8]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: 1997-2000 - [c7]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: 2303-2306 - [c6]Stéphane Ragot, Hassan Lahdili, Roch Lefebvre:
Wideband LSF quantization by generalized voronoi codes. INTERSPEECH 2001: 2319-2322 - 2000
- [c5]Stéphane Ragot, Roch Lefebvre, Redwan Salami, Jean-Pierre Adoul:
Stochastic-algebraic wideband LSF quantization. ICASSP 2000: 1169-1172 - 1997
- [c4]Roch Lefebvre, Claude Laflamme:
Spectral amplitude warping (SAW) for noise spectrum shaping in audio coding. ICASSP 1997: 335-338 - 1995
- [c3]Jean-Michel LeRoux, Roch Lefebvre, Jean-Pierre Adoul:
Comparison of the wavelet decomposition and the Fourier transform in TCX encoding of wideband speech and audio. ICASSP 1995: 3083-3086 - 1994
- [c2]Roch Lefebvre, Redwan Salami, Claude Laflamme, Jean-Pierre Adoul:
High quality coding of wideband audio signals using transform coded excitation (TCX). ICASSP (1) 1994: 193-196 - 1993
- [c1]Roch Lefebvre, Redwan Salami, Claude Laflamme, Jean-Pierre Adoul:
8 kbit/s coding of speech with 6 ms frame-length. ICASSP (2) 1993: 612-615
Informal and Other Publications
- 2016
- [i1]Jean-Marc Valin, Roch Lefebvre:
Bandwidth Extension of Narrowband Speech for Low Bit-Rate Wideband Coding. CoRR abs/1602.08215 (2016)
Coauthor Index
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