58 Tech
Dec 11, 2020 · Artificial Intelligence
Weighted Finite State Transducers (WFST) in Traditional Speech Recognition: Principles and Optimization
This article explains the role of Weighted Finite State Transducers in conventional HMM‑based speech recognition, covering language models, pronunciation dictionaries, WFST definitions, semiring theory, composition and determinization operations, decoding graph construction (HCLG), lattice rescoring, and practical optimization techniques for real‑world scenarios.
ASRSpeech RecognitionWFST
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