First European Conference on Speech Communication and Technology

Paris, France
September 27-29, 1989

Automatic Generation of Phonological Variations

Anne Lacheret-Dujour

LIMSI-CNRS BP133, Orsay-Cedex, France

A recognition system must include structures which account for the different aspects of possible phonological variability in the incoming speech signal. To aid in dealing with variability at the phonological level, a grapheme-to-several-phoneme strings module, VARION0, has been developed at LIMSI. Tests of this system showed the necessity of creating a hierarchical structure to order phonological variations, according to a fixed set of criteria, eliminating infrequent phenomena, thus bringing the number of possible strings down to a reasonable size. The resulting new module, VARION1, was tested on transciptions of recorded speech (BDSONS-30 speakers and a variable speech rate database).

Full Paper

Bibliographic reference.  Lacheret-Dujour, Anne (1989): "Automatic generation of phonological variations", In EUROSPEECH-1989, 2376-2379.