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Ronan Collobert

Research scientist in Apple Machine Learning Research; developer of Torch, wav2letter, and flashlight

Ronan Collobert is a research scientist in Apple's Machine Learning Research group and was previously a research scientist at Facebook AI Research, the Idiap Research Institute, and NEC Laboratories of America. Collobert's homepage lists a line of machine learning software: Torch, whose Torch7 release is distributed under a BSD license; SENNA, a natural language processing tagger; wav2letter, a toolbox for end-to-end speech recognition; and flashlight, a C++ machine learning framework that wav2letter is now part of. Collobert is first author of the Wav2Letter paper and last author of the Flashlight paper.1234

Work

  • flashlight and wav2letter (external site: github.com)Open-source code

    Collobert's homepage presents flashlight, a C++ machine learning framework, and wav2letter, an end-to-end speech recognition toolbox now part of flashlight. Collobert is first author of the Wav2Letter paper (2016) and last author of the Flashlight paper (2022); flashlight is published under the MIT license, and the wav2letter repository states that wav2letter++ is MIT-licensed.13456

  • Torch (external site: ronan.collobert.com)Open-source code

    Collobert's homepage lists Torch, a machine learning library whose last version, Torch7, pairs the Lua scripting language with a C implementation and is distributed under a BSD license, along with the earlier Torch 3, 4, and 5.1

Other documented roles

Roles the sources document but that are not confirmed as current.

This profile covers public professional work only, from the sources below. It is not an endorsement or a ranking. To correct or remove it, use the correction form.

Sources · reviewed Oct 13, 2026

  1. 1.
    Ronan Collobert — homepage (external site: ronan.collobert.com)

    Ronan Collobert · Official page · accessed Oct 13, 2026

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  5. 5.
    flashlight/flashlight repository (MIT license) (external site: github.com)

    Flashlight (GitHub repository) · Repository · accessed Oct 13, 2026

  6. 6.
    flashlight/wav2letter README and license (external site: github.com)

    Flashlight (GitHub repository) · Repository · accessed Oct 13, 2026

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