| 摘要 | 第5-6页 |
| ABSTRACT | 第6-7页 |
| CHAPTER 1: INTRODUCTION | 第10-20页 |
| 1.1 RESEARCH BACKGROUND AND SIGNIFICANCE OF RESEARCH | 第10-12页 |
| 1.2 RESEARCH STATUS OF DIGITAL AUDIO FORGERY DETECTION | 第12-18页 |
| 1.2.1 Major Research Institutions | 第12-13页 |
| 1.2.2 Typical Methods for Digital Audio Forgery Detection | 第13-18页 |
| 1.3 RESEARCH CONTENT | 第18-20页 |
| 1.3.1 Main Work | 第18页 |
| 1.3.2 Structural Arrangement of this Thesis | 第18-20页 |
| CHAPTER 2: DIGITAL AUDIO FORGERY DETECTION PRINCIPLE | 第20-33页 |
| 2.1 INTRODUCTION | 第20-21页 |
| 2.2 DIGITAL AUDIO FORGERY METHOD AND DETECTION PROCESS | 第21-24页 |
| 2.2.1 Copy-move forgery in the same audio recording and its detection process | 第21-22页 |
| 2.2.2 Heterogeneous audio splicing forgery and its detection process | 第22-24页 |
| 2.3 SIMULATIONS | 第24-32页 |
| 2.3.1 Simulation of copy-move detection in the same audio recording | 第24-28页 |
| 2.3.2 Simulation of heterogeneous audio splicing forgery detection algorithm | 第28-32页 |
| 2.4 SUMMARY OF THIS CHAPTER | 第32-33页 |
| CHAPTER 3: DISTANCE MEASURE BASED PASSIVE DETECTION OF COPY-MOVE FORGERY IN DIGITAL AUDIO FORENSICS | 第33-49页 |
| 3.1 INTRODUCTION | 第33-34页 |
| 3.2 INTRODUCTION TO THE ALGORITHM | 第34-41页 |
| 3.2.1 Pitch Detection | 第35-39页 |
| 3.2.2 Working principle of distance measures used for forgery detection | 第39-40页 |
| 3.2.3 Implementation process of the algorithm | 第40-41页 |
| 3.3 INTRODUCTION TO THE AUDIO DATABASE | 第41-42页 |
| 3.4 COMPARISON AND ANALYSIS OF EXPERIMENTAL RESULTS | 第42-47页 |
| 3.5 ROBUSTNESS DISCUSSION BASED ON RESAMPLING AND AUDIO COMPRESSION | 第47页 |
| 3.6 SUMMARY OF THIS CHAPTER | 第47-49页 |
| CHAPTER 4: CHANNEL RESPONSE BASED MULTI-FEATURE AUDIO SPLICING FORGERY DETECTION AND LOCALIZATION | 第49-67页 |
| 4.1 INTRODUCTION | 第49-51页 |
| 4.2 RELATED WORKS | 第51-52页 |
| 4.3 PROPOSED ALGORITHM | 第52-61页 |
| 4.3.1 Construction of the Feature Vector | 第52-55页 |
| 4.3.2 Optimization of the Feature Vector | 第55-56页 |
| 4.3.3 Determination of Splicing Forgery | 第56-57页 |
| 4.3.4 Locating Splicing Forgery | 第57-58页 |
| 4.3.5 Determination of Threshold Selection | 第58-61页 |
| 4.4 EXPERIMENTAL RESULTS AND ANALYSIS | 第61-66页 |
| 4.4.1 Experiment for the Determination of Splicing Forgery Detection | 第61-63页 |
| 4.4.2 Experiment for the Multiple Splicing Location Detection | 第63-64页 |
| 4.4.3 Effect of Frame Size on Location | 第64-65页 |
| 4.4.4 Test for the Robustness of the Algorithm | 第65-66页 |
| 4.5 SUMMARY OF THIS CHAPTER | 第66-67页 |
| SUMMARY AND FUTURE PROSPECTS | 第67-69页 |
| REFERENCES | 第69-74页 |
| 攻读硕士学位期间取得的研究成果 | 第74-75页 |
| ACKNOWLEDGEMENT | 第75-77页 |
| 附件 | 第77页 |
