Dane szczegółowe książki

Introduction … 7
1. A few historical notes … 9
2. Some problems concerning investigations … 14
2.1 Acoustic structure of speech signal … 14
2.2 Transitions … 20
2.3 The acoustic structure of the speech signal and the possibility of its perception … 22
2.4 The properties of hearing and perceptual abilities … 24
2.5 The distinctive features of the signal which may be useful in voice communication … 27
3. Investigations … 28
3.1 The general strategy of investigations … 26
3.2 Segmentation technique … 29
3.3 Estimation of period borders … 30
3.4 Additive investigation of transients … 30
3.5 Spectral analysis … 32
3.6 Formant analysis … 35
3.7 Speech synthesis … 37
3.8 The results of the research … 39
3.8.1 Speech sounds with a formant structure … 39
3.8.2 The sounds of noise type … 47
3.8.3 The impulse sounds … 50
3.8.4 The distinctive features of soft sounds … 53
4. General properties of Polish speech pounds … 55
4.1 Distinctive features of sounds whose signal has a formant structure … 55
4.2 Distinctive features of noise rounds … 59
4.3 Distinctive features of impulse sounds … 60
5. Sound recognition … 62
6. Results of investigations … 64
Bibliography … 67