麥克風陣列訊號處理

臺北科技大學 114-2 學期課程，課號 356009。

課程大綱

培養學生使用多通道波束形成器技術應用在降噪、降混響，並使用Matlab撰寫多通道語音增強演算法。學生可以學習到: 1. 空間取樣概念。2. 延遲相加波束形成器技術。3. 最小變異無失真響應波束形成器技術。4. 線性限制最小變異波束形成器技術。5. 廣義旁辦消除波束形成器技術。6. 多通道維也納濾波器降噪降混響技術。7. 線性卡爾曼濾波器結和廣義旁辦消除波束形成器技術。 Students will learn to use multichannel beamformer techniques and MATLAB for speech enhancement. Students will learn: 1. The Spatial sampling concept. 2. Delay-and-sum (DAS) beamforming technique. 3. Minimum variance distortionless response (MVDR) beamforming technique. 4. Linearly constrained minimum variance (LCMV) beamforming technique. 5. Generalized sidelobe canceller (GSC) beamforming technique. 6. Multichannel Wiener filtering for denoising and dereverberation. 7. Integrated sidelobe cancellation and linear prediction Kalman filter (ISCLP)

課程進度

Week 1: Course introduction Weeks. 2-4: Review of STFT and classical optimal filtering (Homework 1) Weeks. 5-8: Spatial filtering introduction: DAS, LCMP, LCMV, GSC, MPDR, MVDR algorithms (Homework 2) Weeks. 9-12: Multichannel Wiener filtering (MWF), BMWF, ISCLP algorithms introduction (Homework 3) Weeks. 13-16: Subspace-based methods for source counting (Homework 4) Weeks. 17-18: Final presentation

評量方式

Quiz: 30%, Homework: 30%, Term project: 30%, Participation: 10%, Bonus

教材

【遵守智慧財產權觀念，請使用正版教科書，不得使用非法影印教科書】 使用外文原文書：是 References- 1. J. Benesty, J. Chen, and Y. Huang. Microphone Array Signal Processing, Springer 2. M. R. Bai, J.-G. Ih, and J. Benesty. Acoustic Array Systems: Theory, Implementation, and Application, Wiley 3. I. Kodrasi and S. Doclo, "Joint late reverberation and noise power spectral density estimation in a spatially homogeneous noise field," ICASSP, 2018. 4. T. Dietzen, S. Doclo, M. Moonen, and T. van. Waterschoot, "Integrated sidelobe cancellation and linear prediction Kalman filter for joint multi-microphone speech dereverberation, interfering speech cancellation, and noise reduction," IEEE Transactions on Audio, Speech, and Language Processing, 2020. 5. F.-J. Kung, Microphone array signal processing for speaker counting, speech enhancement, and source separation in adverse environments, Ph.D. dissertation, National Tsing Hua University, Taiwan, Jan. 2024