Faculty profile
Roch Lefebvre
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Read how they describe their research on their Université de Sherbrooke profile.
Latest papers
Zero-bit self-adaptive spectral noise shaping for speech and audio coding.
Journal on audio, speech, and music processing · 2026 · senior author
Latest funding
- $264,000
Sparse representations for audio
NSERC · 2010 · Principal investigator
- $590,488
Enhancements for speech coding standards to increase their lifetime and application scope
NSERC · 2005 · Principal investigator
- $109,250
Modelling, classification and separation of sounds in complex audio signals
NSERC · 2003 · Principal investigator
1 publications.
Zero-bit self-adaptive spectral noise shaping for speech and audio coding.
Omidi Piralideh N, Gournay P, Lefebvre R
Sparse representations for audio
Principal investigators: Lefebvre, Roch
Enhancements for speech coding standards to increase their lifetime and application scope
Principal investigators: Lefebvre, Roch
Modelling, classification and separation of sounds in complex audio signals
Principal investigators: Lefebvre, Roch
Source separation for feature extraction in the tuning of music instrument
Principal investigators: Lefebvre, Roch
Codage de l'audio contrôlé par la source et le canal
Principal investigators: Lefebvre, Roch
High quality speech and audio coding at medium and low bit-rates
Principal investigators: Lefebvre, Roch
Scalable speech / audio compression for communication network
Principal investigators: Lefebvre, Roch
From public funding decisions: CIHR since 2008, NSERC since 1991 and SSHRC since 1998 with their latest competition results, the Canada Foundation for Innovation, Genome Canada, the Canadian Space Agency, Canada Research Chairs, the Fonds de recherche du Québec, Ontario research funding, Michael Smith Health Research BC, the Canadian Cancer Society, Heart & Stroke and Brain Canada.
Frequent collaborators
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Profile data last refreshed on September 29, 2026 from the university directory, publication records and public research funding records.