Supplementary Resources and Analysis for Automatic Speech Recognition Systems Trained on the Loquacious Dataset

Nick Rossenbach, Robin Schmitt, Tina Raissi, Simon Berger, Larissa Kleppel +1 more
11/27/2025
cs.CLcs.LG

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Abstract

The recently published Loquacious dataset aims to be a replacement for established English automatic speech recognition (ASR) datasets such as LibriSpeech or TED-Lium. The main goal of the Loquacious dataset is to provide properly defined training and test partitions across many acoustic and language domains, with an open license suitable for both academia and industry. To further promote the benchmarking and usability of this new dataset, we present additional resources in the form of n-gram language models (LMs), a grapheme-to-phoneme (G2P) model and pronunciation lexica, with open and public access. Utilizing those additional resources we show experimental results across a wide range of ASR architectures with different label units and topologies. Our initial experimental results indicate that the Loquacious dataset offers a valuable study case for a variety of common challenges in ASR.

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Cite this paper

@article{rossenbach2025supplementary,
  title  = {Supplementary Resources and Analysis for Automatic Speech Recognition Systems Trained on the Loquacious Dataset},
  author = {Nick Rossenbach and Robin Schmitt and Tina Raissi and Simon Berger and Larissa Kleppel and Ralf Schlüter},
  year   = {2025},
  eprint = {2512.17915},
  archivePrefix = {arXiv},
  url    = {http://arxiv.org/abs/2512.17915v1}
}

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