04177nam a2200469 4500 20260817162445.0 180698 th eng .b11489315 AIT Thesis no.TC-95-6 Hoang Thi Chau Hien Analysis of the conventional speech patterns of different language based speakers over a telephone channel Bangkok : Asian Institute of Technology, 1995 138 leaves : ill. Thesis ; no. TC-95-6 Thesis (M.Eng.) - Asian Institute of Technology, 1995 A thesis submitted in partial fulfillment of the requirement for the degree of Master of Engineering. In this study the talkspurt and silence pattern characteristics of conversational speech over telephone channel of three Asian languages : Chinese, Thai, Vietnamese have been investigated. The first goal is detection method. The proposed detection method has been tested with different threshold values to show its ability to eliminate noise that has the same nature of speech in this experiment. Although this method used to deal with this special noise, it can also be utilized for any other similar detection case with suitable minor changes of thresholds. Another aim of this study is to compare measured and modeled results of on-off speech pattern characteristics. Based on the detected data, probability density functions of talkspurt and silence duration without and with hangover or fill-in and statistical parameters are calculated to form a set of results named measured results. The silence duration pdf without hangover or fill-in modeled by using two weighted geometric function is used to derive silence duration pdfs with different hangover or fill-in, then, from these pdfs, statistical parameters are calculated to form a set of fitted results. Both measured and fitted results are compared and shown to be in reasonable agreement in small and mid-range of duration. The talkspurt duration pdfs with hangover or fill-in models do not give the high correlation coefficient . Therefore, a method using exponential function is proposed to model silence duration cdf and calculate statistical parameters to obtain a better agreement. The important of this work lies in the fact that the knowledge of conversational speech pattern would help in integration and interpolation of voice/data over bandwidth restricted systems which are being developed and deployed more and more in Asian countries. Telephone Speech perception Ahmed, Kazi Mohiuddin, Chairperson Makelainen, Kimmo, Examination Committee Erke, Tapio J., Examination Committee Finnish International Development Agency (FINNIDA), Finland, Scholarship donor Asian Institute of Technology. Thesis ; no. TC-95-6 Full-Text http://203.159.5.9/ait-thesis/detail.php?q=B15297 .b11489315 mnait s 240717 0 960603 m a s 0 mnait mnait mnarc mnarc mnarc 20 40 Barcode : 30050120813851 CREATED : 1994-12-18 RECORD # : i11753705 LPATRON : 0 LCHKIN : - # RENEWALS : 0 # OVERDUE : 0 IUSE3 : 0 TOT CHKOUT : 0 TOT RENEW : 0 Barcode : 30050120813869 CREATED : 1994-12-18 RECORD # : i11753717 LPATRON : 1013797 LCHKIN : 2004-12-09 # RENEWALS : 0 # OVERDUE : 0 IUSE3 : 0 TOT CHKOUT : 13 TOT RENEW : 23 Barcode : 30050160046073 CREATED : 2016-02-03 RECORD # : i12887535 LPATRON : 0 LCHKIN : - # RENEWALS : 0 # OVERDUE : 0 IUSE3 : 0 TOT CHKOUT : 0 TOT RENEW : 0 Barcode : 30050211018733 CREATED : 2022-03-17 RECORD # : i13373754 LPATRON : 0 LCHKIN : - # RENEWALS : 0 # OVERDUE : 0 IUSE3 : 0 TOT CHKOUT : 0 TOT RENEW : 0 Barcode : 30050211018725 CREATED : 2022-03-17 RECORD # : i13373766 LPATRON : 0 LCHKIN : - # RENEWALS : 0 # OVERDUE : 0 IUSE3 : 0 TOT CHKOUT : 0 TOT RENEW : 0 5087 5087 0 0 0 0 MAIN MAIN mnait 2026-08-17 30.00 0 AIT Thesis no.TC-95-6 30050120813851 2026-08-17 16:24:45 1 2026-08-17 20 0 0 0 0 MAIN MAIN mnait 2026-08-17 30.00 0 AIT Thesis no.TC-95-6 30050120813869 2026-08-17 16:24:45 2 2026-08-17 20 0 0 0 0 MAIN MAIN mnarc 2026-08-17 0 AIT Thesis no.TC-95-6 30050160046073 2026-08-17 16:24:45 2026-08-17 40 0 0 0 0 MAIN MAIN mnarc 2026-08-17 50.00 0 AIT Thesis no.TC-95-6 30050211018733 2026-08-17 16:24:45 3 2026-08-17 20 0 0 0 0 MAIN MAIN mnarc 2026-08-17 50.00 0 AIT Thesis no.TC-95-6 30050211018725 2026-08-17 16:24:45 4 2026-08-17 20