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38. The definition of intonation. Rhythm as a component of English intonation.

Intonation - is a complex unity of communicatively relevant variations of non-segmental, or prosodic features of speech which include melody, or the changes of the pitch of the voice, sentence stress, or the greater prominence of some words among other words of the utterance, tamber, or the special colouring of the voice and temporal characteristics.

Rhythm is a very general term. The rhythmical arrangement of different phenomena of objective reality is presented in the form of periodicity in time and space, or tendency towards proportion and symmetry. We find it everywhere in life. In nature rhythm is observed in the successions of seasons, days and nights, the changes of the moon phases, high and low tide. The work of all kinds of machinery is rhythmical. We feel the artistic rhythm in music, dance and other fields of art. Rhythm as a linguistic notion is realized in lexical, syntactical and prosodic means and mostly in their combinations. For instance, sound or word repetition, syntactical parallelism, intensification and others are perceived as rhythmical on the lexical, syntactical and prosodic levels. Most of human activities appear to be rhythmical - swimming, running, skiing, knitting and other muscular movements. The most evident illustration of rhythm in the physiology of living beings is the heart beating and breathing. Speech production is naturally closely connected with the process of breathing. So speech activity as well as any other human activity is conditioned by physiological factors among others and is characterized by rhythm.

The basic unit of the rhythmical structure of an utterance is called stress group, accentual group, pause group, breath group or rhythmic group. The term “pause group” underlines that this unit contains a group of words between two pauses. The term “breath group” emphasizes the physiological factors that this unit can be uttered within a single breath. The term “rhythmic group” is used by most of the linguists as it implies more than a stressed group or breath group. It is a speech segment which contains a stressed syllable with or without unstressed syllables attached to it. The most frequent type of a rhythmic group includes 2-4 syllables, one of them stressed, others unstressed.

The stressed syllable is the prosodic nucleus or peak of prominence. The initial unstressed syllables preceding the nucleus of the rhythmic group are called proclitics, those following it are called enclitics. In qualifying the unstressed syllables located between the stressed ones there are two main alternative views among the phoneticians. According to the semantic viewpoint the unstressed syllables tend to be drawn towards the stressed syllable of the same word or to the lexical unit according to their semantic connection, concord with other words. According to the other viewpoint the unstressed syllables in between the stressed ones tend to join the preceding stressed syllable. It is the so-called enclitic tendency. The enclitic tendency is more typical of the English language, where only initial unstressed syllables cling to the following stressed syllable; non-initial unstressed syllables cling to the preceding stressed syllables, though in the speech flow it is sometimes difficult to define the borders of rhythmic groups. The speech tempo and style often regulate the division into rhythmic groups. The enclitic tendency is more characteristic of informal speech whereas the semantic tendency prevails in accurate, more explicit speech.

The more organized the speech is the more rhythmical it appears, poetry being the most extreme example of this. Prose read aloud or delivered in the form of a lecture is more rhythmic than colloquial speech. On the other hand rhythm is also individual - a fluent speaker may sound more rhythmical than a person searching for the right word and refining the structure of his phrase while actually pronouncing it. There are some obvious differences between the rhythmic patterns of various speech realizations. For instance, rhythm organization of a dispassionate monologue will vary greatly from that of a familiar conversation.

The sphere of rhythm functioning is actually very wide. Rhythm is complicated language system, comprising well-organized elements of different sizes in which smaller rhythmic units are joined into more complex ones: a rhythmical group  an intonation group  a phrase (a line in poetry)  a phonopassage.

Rhythm serves to connect elements in speech: smaller units are organized into larger ones, larger units include smaller ones. So rhythm unites text segments into a whole and at the same time cuts the discourse into elements. This integrative and delimitative function of rhythm illustrates the dialectical unity of the contrary manifestations of rhythm. Besides, rhythm is a very effective means of speech expressiveness, conveying different degrees of emotional effect on the listener (Ex. 'Will you 'stop that 'dreadful 'noise.).

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