1. TIME-VARYING AUTOREGRESSIVE MODELLING FOR NONSTATIONARY ACOUSTIC SIGNAL AND ITS FREQUENCY ANALYSIS Open Access Author: Sodsri, Chukiet Title: TIME-VARYING AUTOREGRESSIVE MODELLING FOR NONSTATIONARY ACOUSTIC SIGNAL AND ITS FREQUENCY ANALYSIS Graduate Program: Acoustics Keywords: nonstationary acoustic signalstime-varying Autoregressive modeltime-variant parameter estimationfrequency analysisModified Basis function approachviolin vibroto File: Download CSodsriThesis.pdf Committee Members: David Carl Swanson, Committee Chair/Co-ChairJohn F Doherty, Committee MemberKarl Martin Reichard, Committee MemberVictor Ward Sparrow, Committee Member