Phonetic Explanation for Initial and Tonal Evolution in Wu Dialects of Chinese
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ICPhS XVII Regular Session Hong Kong, 17-21 August 2011 PHONETIC EXPLANATION FOR INITIAL AND TONAL EVOLUTION IN WU DIALECTS OF CHINESE Jianfen Cao Institute of Linguistics, Chinese Academy of Social Sciences, China [email protected] ABSTRACT 1.2. Phonological contrasts of VL vs. VD This study tries to explore phonetic mechanism of initials and Yin vs. Yang tones the evolution both for initials and tones taken place in Wu Dialects of Chinese, so that to find out why Historical literatures usually suggested that there the developments of the two aspects are always was systematic contrast on voiceless ( 清 ) vs. tangled one another. The preliminary perspectives voiced (浊) (hereafter, abbreviated as VL vs. VD) drawn here are based on a brief survey to some initials in Ancient Chinese, but no stationary tonal relevant investigations. Both acoustic and contrast until Middle Chinese. The clear physiological evidences gathered so far lead to a documentary of Four Tones distinction was suggestion that the evolution either of initials and discovered in Qieyun (< 切韵>) [8] , which is tones might be originated from the same source, commonly regarded as phonological i.e., they are all motivated by phonation type representations of Middle Chinese. distinction existed around the boundary between initial consonant and following vowel of a syllable, 1.2.1. On the phonemic function of the four tones and the contrasts of voiced vs. voiceless initials In the fact, Ancient Chinese, even in remote time, and Yin vs. Yang tones were both originated by must have tonality features, just because the tone such particular characteristics, which seems exist was a redundant feature at that time, thus, the tonal already at latest in the mid stage of Middle Chinese. conception must have a developing process. Keywords: phonetic mechanism, evolution, initial, According to relevant investigation [14], it was tone, Wu dialects of Chinese beginning about the later period of Han dynasty (in Ancient Age) to use tonal feature to distinguish 1. INTRODUCTION lexical meaning. It must occurring even earlier in 1.1. The initials, finals, tones and their daily speech, and maturing gradually as Four phonological functions in Chinese Tones not later in Middle Chinese as what documented in the <切韵>. Usually, a syllable in Chinese consists of initial (声 母), final (韵母) and tone (声调). Phonologically, 1.2.2. On the phonemic distinction of Yin vs. Yang they all have the function in lexical distinction. tones However, it is result of an evolutionary process. According to the phonological system shown in the It is commonly supposed that voiced initial <切韵>, there still no clear distinction of Yin vs. consonants in Ancient Chinese were real voicing, Yang of tones, though did have four tones so we may accept this hypothesis before further distinction in Middle Chinese, at least, it is true discussion, though we are impossible to examine until the mid period of Mid Ancient Age. the nature of ancients’ speech. Under this Consequently, from the viewpoint of phonemic presupposition, some sound changes are examined function, the lexical meaning was still mainly here accordingly. One of them is the phonetic distinguished by the contrast of VL vs. VD initials manifestation of historical voiced consonants from at that time. Ancient Chinese to modern Wu Dialects, the other Nevertheless, according to the information is the split of the Four Tones (so-called 四声) from reflected in relevant literature [1], the process of Middle Chinese to modern Wu Dialects. tones split into Yin and Yang had initiated since 9th century at latest, that is the mid period of Mid Ancient Age. At first, the Ping tone (平声) was divided into Yin ping and Yang ping conditioned 400 ICPhS XVII Regular Session Hong Kong, 17-21 August 2011 by historical category of initials, i.e., Yin ping alternation between the voice distinction and matching with voiceless initial and Yang ping with phonation type distinction. Specifically, in the case voiced initial respectively, and then were expanded of domain start positions or stressed status, the into other tones gradually. contrast will display as the difference between Almost at the same time, a distinguished breathy voice (so-called 气声 or 气嗓 音 ) and evolution, i.e., the devoicing of voiced initials normal voice of the following vowel, as well as the occurred. According to Shao [12], that was started distinction of pitch register (see specified below) around mid or late stage of 10th century, and it simultaneously; however, when it is in the domain should exist much earlier in daily speech. inner positions or unstressed status, it will exhibit Along with the further devoicing of voiced as the distinction between real voicing and un- initials and the expanding of tone split, the voicing of consonant itself, while both distinctions phonemic function on the contrast of Yin tone vs. on phonation type and pitch register will disappear Yang tone was strengthened gradually, and immediately. obtained the same distinctive status as the contrast of VL vs. VD initials at last. 3. PHONETIC ANALYSIS TO THE CONTRAST OF YIN vs. YANG TONES 2. PHONETIC ANALYSIS TO THE CONTRAST OF VL vs. VD INITIALS 3.1. The phonetic manifestation of Yin tone and Yang tone 2.1. What’s the phonetic base of VL vs. VD contrast in Wu dialects Phonetically, in domain-start positions or stressed status, Yin tone manifests as high tone or a tone Generally, VL vs. VD contrast in Chinese Wu with high-onset, and Yang tone as low tone or with dialects was supposed to be based on whether there low-onset. This phenomenon is so-called 阴高阳 is vocal cords vibration or not during the 低 , or further called 清 高 浊 低 based on the consonant articulation, and that was maintained phonotactic fact that voiced initials regularly originally from Ancient Chinese. However, early coordinate with Yang tones, and the voiceless ones in 1920s, Chao, Y-R had found that voiced stops in with Yin tones. Therefore, it was commonly Wu Chinese were not “real voicing”, but a suggested that voiceless initials will drive up pitch voiceless consonant followed by some murmur register and voiced ones lower the register. /breathiness (so-called 清音浊流). Since then, the However, there was lack of specified explanation discussion was concentrated on how to understand on why and how the influence takes place. the essence of 清音浊流, while the dispute were mostly based on perceptual impression and limited 3.1.1. How true the 阴高阳低 or 清高浊低 is? by subjective assumption until the experimental Relevant experimental results showed that [3,5], investigations conducted since 1980’s. Obviously, so-called 阴高阳低 or 清高浊低 is only limited in it is impossible to directly examine the phonetic details of the ancients’ articulation, thus, in order the case of domain-start positions or stressed status, while disappeared at once in domain-inner to understand the essence of 清音浊流, positions or unstressed status, where the pitch experimental analysis to the speech of modern Wu pattern of Yang tone will manifest similar as their dialects has become the most practical strategy Yin tone counterpart, moreover, has the Yin tone reasonably. impression in perception. 2.2. Phonetic analysis to VL vs. VD contrast Specifically, in the latter case, the pitch register of original Yang tone is not lowered but raised up To explore the phonetic characteristics of VL vs. instead. Thus, either of pitch register and the shape VD contrast, various experimental studies were for both of Yang and Yin tone become alike, conducted since 1980s [e.g., 2, 14, 3, 10, 13]. namely, the H vs. L feature for the Yin vs. Yang All the results obtained from above contrast has been neutralized. In addition, it is investigations have shown that, from Ancient interesting that, the initial consonant becomes real Chinese to modern Wu Dialects, the phonetic base voicing at the same time. Obviously, so-called 阴 for the VL vs. VD contrast has changed from 高阳低 or 清高浊低 is true only in phonological simple voice distinction (i.e., 带音/不带音, real sense and limited in certain positions, in stead of voicing vs. un-voicing) to the conditional the phonetic realization in all possible cases. 401 ICPhS XVII Regular Session Hong Kong, 17-21 August 2011 3.1.2. The physical and physiological mechanism 4.2. Phonetic correlations between VL vs. VD of low or low-onset tones in Wu Dialects and Yin vs. Yang in Wu Dialects According to phonetic analysis [3, 5], the As described before, different phonation type is breathiness is produced by a special phonation type caused by different glottis state during articulation; during articulation, that the larynx usually to be for the case of Wu dialects, phonation type lowered and the aryepiglotticus were tensed, and distinction is manifested as breathy voice and more resistance to the vibration of vocal cords will normal voice. Accordingly, the distinction between be produced. As the result, the fundamental presence and absence of the breathiness is the frequency will be lowered reasonably, and a low or mutual base both for the contrast of VL vs. VD and low-onset tone will be formed naturally. that of Yin vs. Yang. This correlated dependence After that, a physiological study [7] further reveals that phonation distinction is the bridge that verified this viewpoint. The results from the tests exactly forms the inevitable connection between of fiberscope and myoelectricity measurements the evolutions of initials and tones from Ancient show that the activity of vocal cords muscles and Chinese to modern Wu dialects. cricothyroid are inhibited, while that of sternohyoideus muscles are increased during the 5. DISCUSSION articulation of voiced initials, especially at their 5.1. Motivated factor of the sound changes onset.