The collection of essays on phonetics and phonology, entirely in French, includes: "Le calcul de la frequence intrinseque. Necessite du rapport a une ligne de reference" (calculation of intrinsic frequency; necessity of a line of reference) (Conrad Ouellon); "Caracteristiques microprosodiques de duree et d'intensite en lecture et en conversation semi-dirigee" (micro-prosodic characteristics of length and intensity in reading and semi-directed conversation) (Jean Dolbec, Susan Rogers); "La duree des consonnes geminees a l'interieur du mot en bulgare" (the duration of geminated consonants within the word in Bulgarian) (Blagovesta Maneva, Daniele Archambault); "L'allongement pretonique: Un phenomene opportuniste" (pre-tonic lengthening: an opportunistic phenomenon?) (Marise Ouellet, Linda Thibault); "Adaptation des consonnes non syllabables dans les emprunts francais en kinyarwanda" (adaptation of non-syllabifiable consonants in French loans to Kinyarwanda) (Yvan Rose); "L'incidence des consonnes d'arriere sur la composante spectrale des voyelles longues en arabe litteral" (the incidence of pre-vocalic consonant on the spectrographs of long vowels in Arabic) (Ahmed Alioua); "Etude comparee des voyelles parlees et des voyelles chantees /i/, /a/, et /u/ en francais" (comparative study of spoken and sung vowels /i/, /a/, and /u/ in French) (Helene Tetreault); "Pour une analyse acoustique de l'etonnement dans le discours oral spontane" (acoustic analysis of surprise in spontaneous oral discourse) (Julie Nicole, Diane Vincent, Marty Laforest); and "Prosodie et syntaxe. Le cas du discours rapporte en francais quebecois oral spontane" (prosody and syntax: the case of reported speech in spontaneous oral Quebec French) (Monique Demers). Individual essays contain references. (MSE)