2024-自學課程-數位聲訊分析與合成(1-6月)

本課程以數位訊號處理的理論，去解析音訊本質。各單元主題以會數學公式或定理，去解釋各種處理音訊的技術理論和聽覺科學現象，搭配程式設計（Matlab）去實踐，主題包含時域到頻域的轉換、濾波器的設計、耳蝸的聽覺科學、聲訊的合成系統等內容。

Bookmark 6 Enrolled (140) Intermediate

第一週：離散時間傅立葉轉換與褶積定理

1.1 Discrete time Fourier Transform(DTFT)

1m 19s

Quiz1-1

1m 19s

1.2 Inverse transform and properties

1m 19s

Quiz1-2

1m 19s

1.3 Linear time invariant system(1)

1m 19s

Quiz1-3

1m 19s

1.4 Linear time invariant system(2)

1m 19s

1.5 Convolution theorem and Parseval’s theorem

1m 19s

Quiz1-5

1m 19s
第二週：短時間傅立葉轉換

2.1 The Short time Fourier Transform (Intro)

1m 19s

Quiz2-1

1m 19s

2.2 The discrete Fourier transform (DFT)

1m 19s

Quzi2-2

1m 19s

2.3 The Fast Fourier transform (FFT) and its inverse

1m 19s

Quiz2-3

1m 19s

2.4 The short time Fourier transform(STFT)

1m 19s

Quiz2-4

1m 19s

2.5 Commonly used windows

1m 19s

Quiz2-5

1m 19s
第三週：《重疊－相加》之分析與合成系統

3.1 The Overlap add System for Analysis and Synthesis

1m 19s

Quiz3-1

1m 19s

3.2 Finite impulse response (FIR) filtering(1)

1m 19s

Quiz3-2

1m 19s

3.3 Finite impulse response FIR filtering(2)

1m 19s

Quiz3-3

1m 19s

3.4 FFT based filtering

1m 19s

Quiz3-4

1m 19s

3.5 Constant overlap add COLA synthesis(1)

1m 19s

Quiz3-5

1m 19s

3.6 Constant overlap add COLA synthesis(2)

1m 19s

Quiz3-6

1m 19s
第四週：頻譜估計淺介

4.1 Introduction to Spectral Estimation

1m 19s

Quiz4-1

1m 19s

4.2 Let's begin spectral estimation-Dual Tone Multi Frequency Decoding

1m 19s

Quiz4-2

1m 19s

4.3 Let's begin spectral estimation-Dual Tone Multi Frequency Decoding(2)

1m 19s

Quiz4-3

1m 19s

4.4 Resolution vs. Accuracy in Spectral Estimation

1m 19s

Quiz4-4

1m 19s

4.5 the uncertainty inequality

1m 19s

Quiz4-5

1m 19s

4.6 The Fisher information and the Cramer Rao bound(1)

1m 19s

Quiz4-6

1m 19s

4.7 The Fisher information and the Cramer Rao bound(2)

1m 19s

Quiz4-7

1m 19s
第五週：音樂訊號略敘：何謂音高？

5.1 Pitch, harmony, and timbre(1)

1m 19s

Quiz5-1

1m 19s

5.2 Pitch, harmony, and timbre(2)

1m 19s

Quiz5-2

1m 19s

5.3 Human physiological basis for pitch

1m 19s

Quiz5-3

1m 19s

5.4 Weird things -- pitch ranking violation and the missing fundamental

1m 19s

5.5 Summarizing comments – One pitch, two mechanisms

1m 19s

Quiz5-5

1m 19s

Course Descriptions

第一講：離散時間傅立葉轉換和褶積定理

第二講：短時間傅立葉轉換

第三講：<重疊 - 相加> 之分析與合成系統

第四講：頻譜估計淺介

第五講：音樂訊號略述：何謂音高？

本課程提供線上測驗，但不提供線上成績單，僅提供成績顯示。

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10 hours video
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12 Article
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劉奕汶

國立清華大學電機工程學系教授

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聯絡方式：ywliu@ee.nthu.edu.tw

研究專長

音樂與語音信號處理、生醫訊號處理、聽覺與發聲之生理學、聲學

學歷

史丹福大學電機博士

經歷

國立清華大學全球事務處組長

國立清華大學教學發展中心組長

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