Figure 1 – uploaded by mahjoub zirak

Table 2. Phonetic distribution of word internal and word-boundary geminates in Persian.  ratios variability and interfere with the production

Figure 2: Effect of gemination on the temporal parameters

Figure 2: Mean Duration (ms) of the vowels preceding the target consonants

Figure 3: Vowels preceding/C onsonant Duration Ratios as a function of singleton/lexical geminate consonants

Figure 4: Scatter plot of consonant duration (ms) vs. preceding vowel duration (ms). The circles are singletons and the triangles are geminates, colored in case of different consonant types (N=160).

Figure 5: Duration (ms) of the target consonants in the function of word-boundary and lexical geminates

Table 10: Duration (ms) and Standard Deviation of the vowel preceding the target consonants in the function

‘igure 8: Duration (ms) of the qualitatively short and long vowels preceding the word-boundary geminate consonants and

Figure 9: Mean normalized RMS amplitude for voiced and voiceless stop consonants in lexical and word-boundary geminates (N=63)  voiced stops didn’t show any significant differences

Figure 11: F1-F2 plots of the short /ze/ and long /a/ vowels before singleton and word-boundary geminate stops (where C =/b, d, k, t/)

Figure 12: F1-F2 plots of the C.C in word-boundary geminates following two vowel types, (where C.C =/b, d, k, t/)

than those preceding the word-boundary types;  specifically here, the low front vowel /z/ in 2CC (lexical) was produced fronter than that in eC.C (word-boundary).