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parametric modeling [2 records]

Record 1 2013-04-17

English

Subject field(s)
  • Information Processing (Informatics)
DEF

A speech synthesis technique that abstracts from the speech waveform to a model for speech production based on parameters characterizing time and frequency information. Such parameters contribute to speech quality (e.g., formant resonance frequencies and bandwidths, pitch, and excitation amplitudes.).

OBS

Unlike waveform coding this technique reduces storage requirements per message, and allows for message concatenation (ISO/IEC, JTC1/SC1, N1686, 1995).

Key term(s)
  • synthesis by parametric modeling
  • parametric model

French

Domaine(s)
  • Traitement de l'information (Informatique)
OBS

(synthèse paramétrique) : les paramètres capables de commander un synthétiseur sont de deux natures : d'une part les paramètres acoustiques qui permettent de synthétiser les phonèmes ou allophones successifs d'un texte, et d'autre part les paramètres prosodiques tels que la hauteur et la durée à effectuer à chaque phonème. (Dictionnaire de linguistique et des sciences du langage, J. Dubois, Larousse, 1994, p. 472).

Key term(s)
  • synthèse paramétrique

Spanish

Save record 1

Record 2 1991-02-14

English

Subject field(s)
  • Artificial Intelligence
  • Computer Graphics

French

Domaine(s)
  • Intelligence artificielle
  • Infographie

Spanish

Save record 2

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