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تحلیل و ردیابی شکل گام
چوپان، جیران Choupan, Jeiran

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تحلیل و ردیابی شکل گام
پدیدآور اصلی :   چوپان، جیران Choupan, Jeiran
ناشر :   صنعتی شریف
سال انتشار  :   1389
موضوع ها :   گفتار Speech آشکارسازی گام Pitch Detection تابع خودهمبستگی Autocorrelation Function ...
شماره راهنما :   ‭52-41052

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  • 2.pdf
    • Chapter 1 (12)
    • Introduction (12)
      • 1.1 Pitch Detection (12)
      • 1.2 Motivation (12)
      • 1.3 Contribution (13)
      • 1.4 Thesis Content (15)
      • Chapter 2 (16)
      • Speech Production and Perception (16)
      • 2.1 Speech Production and Various Properties of Speech Signals (16)
        • 2.1.1 Lungs (17)
        • 2.1.2 Larynx (18)
        • 2.1.3 Vocal Tract (21)
      • 2.2 Speech Sound Classification (22)
      • 2.3 Vowel Production Model (23)
      • 2.4 Pitch Overview (24)
        • 2.4.2 Pitch Theory (26)
        • 2.4.3 Pitch Tracking and Detection (28)
        • 2.4.4 The Difficulty of Pitch Tracking (28)
        • 2.4.5 History of Pitch Determination (29)
        • 2.4.6 Applications of pitch estimation (30)
      • 2.5 Summary (31)
    • Chapter 3 (32)
    • Related Work (32)
      • 3.1 Pre-Processing (32)
        • 3.1.1 Centre Clipping (33)
        • 3.1.2 Low-Pass Filtering (34)
        • 3.1.3 Inverse Filtering (35)
        • 3.1.4 Windowing (36)
      • 3.2 Non-Event Pitch Detection methods (39)
        • 3.2.1 Time Domain Waveform Similarity Method (39)
          • 3.2.1.1 Zero-Crossing (39)
          • 3.2.1.2 Autocorrelation Function (ACF) (40)
          • 3.2.1.3 Average Magnitude Difference Function Method (AMDF) (43)
        • 3.2.2 Frequency Domain Spectral Similarity Methods (48)
          • 3.2.2.1 Cepstrum Method (48)
      • 3.3 Event Pitch Detectors (50)
        • 3.3.1 Wavelet Transform (50)
      • 3.4 Post-Processing (51)
      • 3.5 Summary (52)
    • Chapter 4 (54)
    • Method (54)
      • 4.1 Algorithm Outline (54)
        • 4.1.1 Window Selection (55)
        • 4.1.2 Dyadic Wavelet Transform (57)
        • 4.1.5 Determination of Pitch Period (67)
        • 4.1.6 Post-Processing (68)
      • 4.2 Block Diagram of Modified DyWT (69)
      • 4.3 Result (70)
      • 4.4 Summary (70)
    • Chapter 5 (72)
    • Evaluation and Results (72)
      • 5. 1 Introduction (72)
      • 5.2 Brief Description of the Test Database (73)
      • 5.3 Evaluation Measures and Types (73)
        • 5.3.1 Accuracy (73)
        • 5.3.2 Robustness (74)
        • 5.3.3 Computational Complexity (75)
      • 5.4 Comparison between Different Methods (75)
        • 5.4.1 Optimal Higher Order Moment Evaluation (75)
          • 5.4.1.1 Accuracy (76)
          • 5.4.1.2 Robustness (76)
          • 5.4.1.3 Computational Complexity (79)
        • 5.4.2 Comparison between Modified 4th Order Moment and DyWT (80)
          • 5.4.2.1 Accuracy (80)
          • 5.4.2.2 Robustness (81)
          • 5.4.2.3 Computational Complexity (82)
        • 5.4.3 Comparison between Modified DyWT and DyWT (83)
      • 5.5 Summary (86)
    • Chapter 6 (88)
    • Conclusion (88)
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