Speech Segmentation Aspects of Phone Transition Acoustical Modelling

The paper presents our experiences with the phone transi tion acoustical models The phone transition models were compared to the traditional context dependent phone models We put special atten tion on the speech signal segmentation analysis to provide a better in sight into certain segmentation e ects when using the di erent acoustical models Experiments with the HMM based models were performed using the HTK toolkit which was extended to provide proper state parameter tying for the phone transition models All the model parameters were estimated on the GOPOLIS speech database The annotation confusions concerning two phone speech units are also discussed