Spectral compositions of voiced initial stops reveal that these consonants are longer in intensity than those in medial or final position. In final stops the vocal cords are more closed than they are in initial stops and oscillation is richer. (SC)

This paper examines the distinction between primary and secondary articulations of consonants. It shows that the description and classification of speech sounds should not be based on physical parameters alone. Some essential distinctions reveal themselves only inferentially through the relation of a sound to others in the language system.…

Presents a "phonetological" approach for the improvement of the phonetic transcription of English, in order to account for certain distinctions in the language not currently rendered due to phonemic influence on phonetic transcription. (AM)

Sentences were read by six informants to determine the presence or absence of /n/ in /nth/ sequences. The sentences contained seven different levels of juncture with /nth/ occurring in word final position, intervocalically, and across word boundaries, among other places. Dental coarticulation was not hindered by most junctures. (SC)

Dental fricatives are examined within the two languages to show that the phonemes do not differ merely in voicing. Frisian has a "v" which is phonologically related to "w." Marathi has an aspirated "v." The use of "f" and "v" in English by speakers of Marathi and Flemish is also examined. (SC)

The salience of voiced onset time (VOT) as a voicing cue for initial stop-vowel units is examined. VOT duration was altered. Findings did not indicate that changes in VOT duration altered the perception of voicing. Aspiration more than VOT seems to be more important in the detection of voicing. (SC)

Electromyographic experiments were performed indicating that durational differences between vowels that precede voiced consonants and those that precede voiceless ones are due to a sustention of muscular activity in articulation, which occurs only with vowels preceding voiced consonants. (SC)

The production of word-initial stop consonants /p t k/ and /b d g/ was investigated in the speech of 37 deaf and six normally hearing adolescents. It is argued here that the deaf child does not simply make errors in speaking, but instead realizes sounds in accordance with a deviant phonological system. (Author/TL)

Research supported by grants from the National Science Foundation. (DD)

This article describes a technique used to monitor the action of the upper front surface of the soft palate during normal speech in French. Results tend to confirm the findings of other instrumental phonetic research, and contradict some theoretical claims of French phonology. (CLK)

Several traditional phonetic theories are explained and discussed. It is asserted that recent advances in knowledge of speech production and speech perception show that these theories are descriptively inadequate and that physiologic principles may instead structure phonetic feature theories. (Author/RM)

The selective tuning of feature detectors sensitive to the acoustic information relevant to the assignment of distinctive phonetic feature values was investigated with a contingent adaptation paradigm. (Author/RM)

A nasal separator was used to measure the oral and nasal components in the speech of a normal adult Australian population. Results indicated no difference in oral and nasal sound pressure levels for read versus spontaneous speech samples; however, females tended to have a higher nasal component than did males. (Author/TL)

A distinction is made between the acquisition of phonetics and of phonology. Their interaction and the ways in which they interfere with each other are discussed. Data on the acquisition of English fricatives for several children are given, and are analyzed separately for the phonological and phonetic aspects of acquisition. (Author/CLK)