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課程名稱 (中文) 語音訊號處理
(英文) Speech Signal Processing
開課單位 電機工程研究所
課程代碼 E6740
授課教師 李清坤
學分數 3.0 必/選修 選修 開課年級 研究所
先修科目或先備能力:
課程概述與目標:本課程主要包含下列內容的知識介紹與實例操作:
1. 一般聲音的物理性質及中、英文語音的基本構成音素與音節1. 聲音及語音訊號處理基本知識
2. 時域及頻域聲音訊號處理技術
3. 聲音及語音訊號處理應用(編碼、3D音效製作…等)
教科書
參考教材
課程大綱 學生學習目標 單元學習活動 學習成效評量 備註
單元主題 內容綱要
1 1. Sound, Hearing and Perception 1.1 Three Key Factors of Sound
1.2 The Human Hearing
1.3 The Human Perception
學習聲音的物理性質及人類聽覺的基本知識
  • 討論
  • 探索體驗
  • 講授
  •  
    2 2. Speech Production and Phonetics 2.1 Speech Production Mechanism
    2.2 Phonetics for Chinese Mandarin and English
    學習人類發聲機制及中、英文語音的基本知識(音素、音節結構…等)
  • 講授
  • 閱讀討論
  • 隨堂測驗
  •  
    3 3. Audio File Formats 3.1 Commonly Used Audio File Formats
    3.2 Detailed description of WAVE Audio File Formats
    學習常用的聲音數位檔案格式
  • 實作
  • 講授
  • 閱讀討論
  • 報告
  •  
    4 4. Introduction to the MATLAB 4.1 MATLAB Basic
    4.2 M Files: Creation, Editing and Excution
    學習MATLAB套裝程式語言的基本應用
  • 實作
  • 講授
  • 閱讀討論
  • 報告
  •  
    5 Scalar Quantization Basic of Scalar Quantization
    Uniform Quantization
    Non-Uniform Quantization
    Optimal Quantization
    Basic of Scalar Quantization
    Uniform Quantization
    Non-Uniform Quantization
    Optimal Quantization
  • 實作
  • 講授
  • 閱讀討論
  • 隨堂測驗
  •  
    6 PCM and its Variants Linear PCM
    Log PCM (A-Law and u-Law)
    Adaptive PCM
    Differential PCM
    ADPCM
    Linear PCM
    Log PCM (A-Law and u-Law)
    Adaptive PCM
    Differential PCM
    ADPCM
  • 實作
  • 講授
  • 閱讀討論
  • 專題
  •  
    7 Time-Domain Techniques for Speech Processing Basic of Short-Time Processing
    Examples of Short-Time Speech Features
    Basic of Short-Time Processing
    Examples of Short-Time Speech Features
  • 講授
  • 閱讀討論
  •  
    8 Application of Short-Time Speech Processing Voice Activity Detector
    Voiced/Unvoiced Discrimination
    Pitch Estimation
    Voice Activity Detector
    Voiced/Unvoiced Discrimination
    Pitch Estimation
  • 實作
  • 講授
  • 閱讀討論
  • 平時考
  •  
    9 期中考 筆試前八週內容 綜合運用前八週內容
  • 閱讀討論
  • 期中考
  •  
    10 Linear Predictive Coding (LPC) 1. Basic Principal of LPC
    2. LPC Solutions
    1. Basic Principal of LPC
    2. LPC Solutions
  • 實作
  • 講授
  • 閱讀討論
  • 期中考訂正
  •  
    11 LPC Spectrum * Speech FFT vs. LPC Spectrum
    * Applications of LPC Spectrum
    * Learn the copmputation of LPC spectrum
    * Learn the possible applications of LPC Spectrum
  • 實作
  • 講授
  • 閱讀討論
  • 專題
  •  
    12 Low Bit-Rate Speech Coding * Classification of Speech Coding
    * Methods for low bit-rate speech coding
    * Learn the concept of analysis-by-synthesis
    * Learn examples of low bit-rate speech coding
  • 講授
  • 閱讀討論
  •  
    13 Low Bit-Rate Speech Coding * The concept of Hybrid (Waveform and Parametric) Speech Coding
    * Low Bit-Rate Speech Coding Standards
    * Learn The concept of Hybrid (Waveform and Parametric) Speech Coding
    * Learn common used speech coding standards
  • 講授
  • 閱讀討論
  • 專題
  •  
    14 The Code-Excited Linear Prediction Coder * the basic structure of the CELP coder
    * the concept of stochastic code book
    Learn the basic structure of the CELP coder
    Learn the concept of stochastic code book
  • 講授
  • 閱讀討論
  •  
    15 Code-Excited Linear Prediction Coder * The pitch predictor (long-term LP)
    * The perceptual weighting filter
    * The post filtering
    * Learn the implementation issues of CELP coder
    * Learn the CELP standard: FS-1016
  • 講授
  • 閱讀討論
  •  
    16 Audio Processing Example: Artificial Reverberation * The concept of room impulse response and reverberation
    * Commonly used unit reverberators: comb filter and allpass filter
    * Learn the concept of room impulse response and reverberation
    * Implementation of commonly used unit reverberators
  • 講授
  • 閱讀討論
  • 專題
  •  
    17 Audio Processing Example: Artificial Reverberation * Combination of unit reverberators
    * Determination of system parameters
    * Implementation of overall reverberation system
    * Practical considerations: computation load
  • 講授
  • 閱讀討論
  •  
    18 Final Project * Summary of Speech and Audio Signal Processing
    * Topics of final projects
    Determine the topics of final projects
    Implementation of the final project
  • 討論
  • 講授
  • EXTRA
  • 專題
  •  

    教學要點概述:
    教材編選: ■ 自編教材 □ 教科書作者提供
    評量方法: 期中考:15%   其他評量:10%   專題:55%   報告:10%   平時考:10%  
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