Kaldi (software)
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| Kaldi | |
|---|---|
| [[Programmer|DeveloperTemplate:Pluralize from text]] | Daniel Povey and others |
| Written in | C++ |
| Operating system | Unix systems (Linux, BSD, OSX 10.{8,9} etc.), Windows (via Cygwin) |
| Type | Speech recognition |
| License | Apache License v.2.0[1] |
| Website | kaldi-asr |
| Repository | https://github.com/kaldi-asr/kaldi |
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Kaldi is an open-source speech recognition toolkit written in C++ for speech recognition and signal processing, freely available under the Apache License v2.0.
Kaldi aims to provide software that is flexible and extensible,[2] and is intended for use by automatic speech recognition (ASR) researchers for building a recognition system.
It supports linear transforms, MMI, boosted MMI and MCE discriminative training, feature-space discriminative training, and deep neural networks.[3]
Kaldi is capable of generating features like mfcc, fbank, fMLLR, etc. Hence in recent deep neural network research, a popular usage of Kaldi is to pre-process raw waveform into acoustic feature for end-to-end neural models.
Kaldi has been incorporated as part of the CHiME Speech Separation and Recognition Challenge over several successive events.[4][5][6] The software was initially developed as part of a 2009 workshop at Johns Hopkins University.[7]
Kaldi is named after the legendary Ethiopian goat herder Kaldi who was said to have discovered the coffee plant.[8]
See also
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References
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- ^ Page Module:Citation/CS1/styles.css has no content."Kaldi: Legal stuff". kaldi-asr.org.
- ^ Page Module:Citation/CS1/styles.css has no content."Kaldi: About the Kaldi project". kaldi-asr.org.
- ^ Page Module:Citation/CS1/styles.css has no content."Kaldi: Deep Neural Networks in Kaldi". kaldi-asr.org.
- ^ Page Module:Citation/CS1/styles.css has no content."The 4th CHiME Speech Separation and Recognition Challenge". Archived from the original on 16 February 2017. Retrieved 15 February 2017.
- ^ Page Module:Citation/CS1/styles.css has no content."The 3rd CHiME Speech Separation and Recognition Challenge". Archived from the original on 26 July 2017. Retrieved 15 February 2017.
- ^ Emmanuel Vincent, Jon Barker, Shinji Watanabe, Jonathan Le Roux, Francesco Nesta, et al.. The second 'CHiME' Speech Separation and Recognition Challenge: Datasets, tasks and baselines. ICASSP - 38th International Conference on Acoustics, Speech, and Signal Processing - 2013, May 2013, Vancouver, Canada. pp.126-130, 2013.
- ^ Page Module:Citation/CS1/styles.css has no content."History of the Kaldi project". Retrieved 26 July 2017.
- ^ Page Module:Citation/CS1/styles.css has no content."Kaldi: About the Kaldi project".
External links
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- Kaldi – The official GitHub project
- Kaldi paper - The Kaldi Speech Recognition Toolkit
- VOSK – open source and commercial models from Alpha Cephei on Kaldi foundations
