基於到達時間差的圓陣聲源跟?

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姓名

金亞妮(Usfita Kiftiyani) 查詢紙本館藏

畢業系所

資訊工程學系

論文名稱

基於到達時間差的圓陣聲源跟?
(Sound Source Tracking in Circular Array based on Time Difference of Arrival)

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摘要(中)

到達時間差（TDOA）是一種因其簡單性和準確性而被廣泛用於聲源跟?的方法。此外，該研究將使用基於其TDOA的圓形麥克風陣列進行聲源跟?。麥克風陣列中較高靈敏度的寬頻率響應使其在聲源跟?研究中廣受歡迎。有許多方法可以獲得TDOA，。因此，本研究提出了從其TDOA獲得到達方向（DOA）的GCC方法，然後使用三角形三角技術從其獲得的DOA和兩個麥克風陣列之間的距離測量源位置。

摘要(英)

Time Difference of Arrival (TDOA) is a method that has been widely used for sound source tracking because of its simplicity and accuracy. Moreover, this research will do the sound source tracking using a circular microphone array based on its TDOA. The higher sensitivity wide range of frequency response in microphone array make it popular among sound source tracking research. So this research proposed the GCC method for obtaining the Direction of arrival (DOA) from its TDOA and then measure the source position using triangle trigonometry technique from its obtained DOA and the distance between two microphone array.

關鍵字(中)

★ Direction of Arrival

關鍵字(英)

★ Direction of Arrival

論文目次

TABLE OF CONTENTS

摘要 i
ABSTRACT ii
ACKNOWLEDGEMENT iii
TABLE OF CONTENTS iv
LIST OF FIGURES vi
LIST OF TABLES vii
CHAPTER 1 INTRODUCTION 1
CHAPTER 2 TIME DIFFERENCE OF ARRIVAL ESTIMATION AND SOUND SOURCE TRACKING TASK 3
2.1 Array Processing 3
2.2 Array Geometry 4
2.2.1 Uniform Linear Array 5
2.2.2 Uniform Circular Array 5
2.3 Time Difference of Arrival 6
2.4 Sound Source Tracking based on TDOA 6
CHAPTER 3 METHODOLOGY 8
3.1 Overview of DOA estimation system 8
3.1.1 DOA using Generalized Cross Correlation method 8
3.2 Overview of Sound Source Tracking based on TDOA 9
CHAPTER 4 EXPERIMENT SETUP 11
4.1 Microphone Array Setup 11
4.1.1 Dataset Description 12
4.1.2 Experimental Setup 12
4.1.3 Evaluation 13
CHAPTER 5 EXPERIMENT RESULT 14
5.1 DOA Estimation Result 14
5.1.1 Result of GCC Estimator 14
5.2 Sound Source Tracking Result 19
CHAPTER 6 CONCLUSION 22
REFERENCES 23

參考文獻

REFERENCES

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指導教授

王家慶

審核日期

2018-8-21

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