Comments on "distinctive regions and modes: A new theory of speech production" by M. Mrayati, R. Carré and B. Guérin. Boë, L. and Perrier, P. Speech Communication, 9(3):217-230.
doi  abstract   bibtex   
Mryati et al. use the properties of the sensitivity functions of a cylindrical tube to divide it into eight specific regions associated to the eight possible combinations of the sensitivity of the first three resonances. Bringing out acoustic properties of symmetry and compensation, they claim that the production of vowels and consonants is based on these geometric and acoustic properties, since the eight regions can be linked to morphological and articulatory properties of the vocal tract. The authors formulate a new vowel production theory and they propose a universal phonological system for consonants. We are critical of the New Theory on several counts: - - the limitations of sensitivity functions have been overlooked;- - the generalizations are anthropomorphically weak;- - the predictions fail to match known acoustic facts;- - the universal classification is in contradiction with basic phonetic knowledge. More generally this kind of approach seems intrinsically very limited: the vocal tract is not a series of tubes whose dimensions can be manipulated independently, without referring to an underlying articulatory model integrating articulatory constraints. The New Theory will retain all of its value once it has been returned to its natural context i.e. the simple acoustic description of the vocal tract around the neutral position and as a tool for speech synthesis.
@article{boe_comments_1990,
	Author = {Boë, Louis-Jean and Perrier, Pascal},
	Date = {1990},
	Date-Modified = {2017-04-19 08:04:06 +0000},
	Doi = {10.1016/0167-6393(90)90058-H},
	Issn = {0167-6393},
	Journal = {Speech Communication},
	Keywords = {f0, formant synthesis, models, phonation, phonetics, speech production},
	Number = {3},
	Pages = {217-230},
	Title = {Comments on "distinctive regions and modes: A new theory of speech production" by M. Mrayati, R. Carré and B. Guérin},
	Volume = {9},
	Abstract = {Mryati et al. use the properties of the sensitivity functions of a cylindrical tube to divide it into eight specific regions associated to the eight possible combinations of the sensitivity of the first three resonances. Bringing out acoustic properties of symmetry and compensation, they claim that the production of vowels and consonants is based on these geometric and acoustic properties, since the eight regions can be linked to morphological and articulatory properties of the vocal tract. The authors formulate a new vowel production theory and they propose a universal phonological system for consonants. We are critical of the New Theory on several counts: - - the limitations of sensitivity functions have been overlooked;- - the generalizations are anthropomorphically weak;- - the predictions fail to match known acoustic facts;- - the universal classification is in contradiction with basic phonetic knowledge. More generally this kind of approach seems intrinsically very limited: the vocal tract is not a series of tubes whose dimensions can be manipulated independently, without referring to an underlying articulatory model integrating articulatory constraints. The New Theory will retain all of its value once it has been returned to its natural context i.e. the simple acoustic description of the vocal tract around the neutral position and as a tool for speech synthesis.},
	Bdsk-Url-1 = {http://dx.doi.org/10.1016/0167-6393(90)90058-H}}
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