Text-To-Visual speech (TTVS) synthesis by computer can increase the speech intelligibility and make the human-computer interaction interfaces more friendly. This paper describes a Chinese text-to-visual speech synthesis system based on data-driven (sample based) approach, which is realized by short video segments concatenation. An effective method to construct two visual confusion trees for Chi...

This paper presents a cross-language development method for speech recognition and synthesis applications for Macedonian language. Unified system for speech recognition and synthesis trained on German language data was used for acoustic model bootstrapping and adaptation. Both knowledge-based and data-driven approaches for source and target language phoneme mapping were used for initial transcr...

One of the most common approaches to speech synthesis is the concatenation of diphones, extracted from a previously recorded database. The prosodic parameters of the recorded speech fragments have to be adapted to the specifications of the new utterances to be synthesized. In this paper, the deterministic plus stochastic model of speech is used to modify and smoothly concatenate the analyzed di...

This paper presents a novel method for estimating a vocal-tract spectrum from speech signals, based on a modeling of excitation signals of voiced speech. A formulation of linear prediction coding with impulse train is derived and applied to the phaseequalized speech signals, which are converted from the original speech signals by phase equalization. Preliminary results show that the proposed me...

The development of the Greek Text-To-Speech (TTS) system by NTUA is based on the method of concatenative synthesis and follows the Bell Labs approach to this technique. Concatenative synthesis is one of the simplest methods for speech synthesis and at the same time bypasses most of the problems encountered by articulatory and formant synthesis techniques. The method relies on designing and crea...

Synchronization of speech frames is an important issue in a concatenative speech synthesis system. In terms of signal processing this is translated in removing linear phase mismatches between concatenated speech frames. This paper presents two novel approaches to the problem of synchronization of speech frames with an application to concatenative speech synthesis. Both methods are based on a pr...

Like many current TTS systems the AT&T German text -tospeech system is based on the methods of unit selection and concatenative synthesis [1]. This paper highlights efforts to improve TTS quality by closely matching the speakers' original productions with linguistic descriptions. On the segmental level this is achieved by adjusting the speakers' individual productions to an established, general...

This paper presents an eye-tracking experiment comparing the processing of different accent patterns in unit selection synthesis and human speech. The synthetic speech results failed to replicate the facilitative effect of contextually appropriate accent patterns found with human speech, while producing a more robust intonational garden-path effect with contextually inappropriate patterns, both...

Through the analyses of fundamental frequency contours and speech rates of dialogue speech and also of read speech, prosodic rules were derived for the synthesis of spoken dialogue. As for the fundamental frequency contours, they were rst decomposed into phrase and accent components based on the superpositional model, and then their command magnitudes/amplitudes were analyzed by the method of m...