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Effect of Aspiration on Vowel Duration for Voice and Voiceless Unaspirated (Garhwali Hindi) Consonants S. K. Adhikari Department of Physics, Birendra Multiple Campus , Bharatpur, Chitwan( Tribhuvan University, Nepal. E-mail: email@example.com Abstract In this paper, an attempt has been made to study of Vowel durations for voice and voiceless unasprated consonant. An experiment is described to study vowel duration of 10 vowels (Garhwali Hindi) with different unaspirated consonants. Ten Garhwali vowels word in /CVC/ syllables as spoken three times by five male and five female Garhwali speakers were recorded in system in the free field of partially acoustically treated room. SFS/PRRAT software is used to digitize and analyze the data. Linear predictive coding (LPC) spectra were obtained for each of vowels and vowel duration was measured. Then we found that vowel duration of voice consonant is greater than voiceless consonants.
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