The Corpus DIMEx100: Transcription and evaluation

Luis A. Pineda, Hayde Castellanos, Javier Cuétara, Lucian Galescu, Janet Juárez, Joaquim Llisterri, Patricia Pérez, Luis Villaseñor

Research output: Contribution to journalArticleResearchpeer-review

22 Citations (Scopus)


In this paper the transcription and evaluation of the corpus DIMEx100 for Mexican Spanish is presented. First we describe the corpus and explain the linguistic and computational motivation for its design and collection process; then, the phonetic antecedents and the alphabet adopted for the transcription task are presented; the corpus has been transcribed at three different granularity levels, which are also specified in detail. The corpus statistics for each transcription level are also presented. A set of phonetic rules describing phonetic context observed empirically in spontaneous conversation is also validated with the transcription. The corpus has been used for the construction of acoustic models and a phonetic dictionary for the construction of a speech recognition system. Initial performance results suggest that the data can be used to train good quality acoustic models. © 2009 Springer Science+Business Media B.V.
Original languageEnglish
Pages (from-to)347-370
JournalLanguage Resources and Evaluation
Issue number4
Publication statusPublished - 1 Dec 2010


  • Acoustic models
  • Mexican Spanish
  • Phonetic corpus
  • Phonetic transcription
  • Transcription granularity


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