Accurate estimation of sinusoidal parameters in an harmonic+noise model for speech synthesis

Abstract

A spoken dialog interface of a mobile office robot is described. To realize robust speech recognition in noisy office environments, a microphone array system and a technique of switching multiple speech recognition processes with different dictionaries are introduced. To realize flexible and natural dialog, task dependent semantic frames and keeping track of attentional state of dialog are used. The system is implemented on a real mobile robot and evaluated with sample dialogs.