N. V. Tatsenko introduction to theoretical phonetics of english



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Tatsenko phonetics

The semantic method. It is applied for phonological analysis of both unknown languages and languages already described. In case of the latter it is used to determine the phonemic status of sounds which are not easily identified from phonological point of view. The method is based on a phonemic rule that phonemes can distinguish words and morphemes when opposed to one another. The semantic method of identifying the phonemes of a language attaches great significance to meaning. It consists in systematic
substitution of the sound for another in order to ascertain in which cases where the phonetic context remains the same such substitution leads to a change of meaning. It is with the help of an informant that the change of meaning is stated. This procedure is called the commutation test. It consists in finding minimal pairs of words and their grammatical forms [ibid].
53
For example, an analyst arrives at the sequence [pin]. He substitutes the sound [p] for the sound [b] or [s], [d], [w]. The substitution leads to the change of meaning, cf.: pin, bin, sin, din, win. This would be a strong evidence that [p], [b], [s], [d], [w] can be regarded as allophones of different phonemes.

  1. Vowels and Consonants

If speech sounds are studied from the point of view of their production by man’s organs of speech, it is the differences and similarities of their articulation that are in the focus of attention. A speech sound is produced as a result of definite coordinated movements and positions of speech organs, so the articulation of a sound consists of a set of articulatory features.
The words 'vowel' and 'consonant' are very familiar ones, but when we study the sounds of speech scientifically we find that it is not easy to define exactly what they mean. In general, a vowel is a speech sound produced by comparatively open configuration of the vocal tract, with the vibration of the vocal cords but without audible friction. A consonant is a basic speech sound in which the breath is at least partly obstructed.
Thus, the most common view is that vowels are sounds in which there is no obstruction to the flow of air as it passes from the larynx to the lips. A doctor who wants to look at the back of a patient's mouth often asks them to say "ah"; making this vowel sound is the best way of presenting an unobstructed view. But if we make a sound like [s], [d] it can be clearly felt that we are making it difficult or impossible for the air to pass through the mouth. Most people would have no doubt that sounds like [s], [d] should be called consonants. However, there are many cases where the decision is not so easy to make. One problem is that some English sounds that we think of as consonants, such as the sounds at the beginning of the words 'hay' and 'way', do not really obstruct the flow of air more than some vowels do. Another problem is that different languages have different ways of dividing their sounds into vowels and consonants; for example, the usual sound produced at the beginning of the word 'red' is felt to be a consonant by most English speakers, but in some other languages (e. g. Mandarin Chinese) the same sound is treated as one of the vowels [Roach 2009, p. 10].
If we say that the difference between vowels and consonants is a difference in the way that they are produced, there will inevitably be some cases of uncertainty or disagreement; this is a problem that cannot be avoided. It is possible to establish two distinct groups of sounds (vowels and consonants) in another way. Consider English words beginning with the sound [h]; what sounds can come next after this [h]? We find that most of the sounds we normally think of as vowels can follow it (e. g. e) in the word 'hen1), but practically none of the sounds we class as consonants, with the possible exception of [j] in a word such as 'huge'. Now think of English words beginning with the two sounds [bi]; we find many cases where a consonant can follow (e. g. [d] in the word 'bid', or [1] in the word 'billr), but practically no cases where a vowel may follow. What we are doing here is looking at the different contexts and positions in which particular sounds can occur; this is the study of the distribution of the sounds, and is of great importance in phonology. Study of the sounds found at the beginning and end of English words has shown that two groups of sounds with quite different patterns of distribution can be identified, and these two groups are those of vowel and consonant. If we look at the vowel-consonant distinction in this way, we must say that the most important difference between vowel and consonant is not the way that they are made, but their different distributions. It is important to remember that the distribution of vowels and consonants is different for each language [ibid.,
p. 10-11].
Basically, there are 1) articulatory, 2) acoustic and


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