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Article Dans Une Revue Applied Sciences Année : 2023

A RTL Implementation of Heterogeneous Machine Learning Network for French Computer Assisted Pronunciation Training

Yanjing Bi
  • Fonction : Auteur
Chao Li
  • Fonction : Auteur
Fan Yang

Résumé

Computer-assisted pronunciation training (CAPT) is a helpful method for self-directed or long-distance foreign language learning. It greatly benefits from the progress, and of acoustic signal processing and artificial intelligence techniques. However, in real-life applications, embedded solutions are usually desired. This paper conceives a register-transfer level (RTL) core to facilitate the pronunciation diagnostic tasks by suppressing the mulitcollinearity of the speech waveforms. A recently proposed heterogeneous machine learning framework is selected as the French phoneme pronunciation diagnostic algorithm. This RTL core is implemented and optimized within a very-high-level synthesis method for fast prototyping. An original French phoneme data set containing 4830 samples is used for the evaluation experiments. The experiment results demonstrate that the proposed implementation reduces the diagnostic error rate by 0.79–1.33% compared to the state-of-the-art and achieves a speedup of 10.89× relative to its CPU implementation at the same abstract level of programming languages.
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Dates et versions

hal-04295244 , version 1 (20-11-2023)

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Yanjing Bi, Chao Li, Yannick Benezeth, Fan Yang. A RTL Implementation of Heterogeneous Machine Learning Network for French Computer Assisted Pronunciation Training. Applied Sciences, 2023, 13 (10), pp.5835. ⟨10.3390/app13105835⟩. ⟨hal-04295244⟩
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