chapters

Introduction

  1. Audio Content
  2. A Generalized Audio Content Analysis System

Fundamentals

  1. Audio Signals
    • Periodic Signals
    • Random Signals
    • Sampling and Quantization
    • Statistical Signal Description
  2. Signal Processing
    • Convolution
    • Block-Based Processing
    • Fourier Transform
    • Constant Q Transform
    • Auditoriy Filterbanks
    • Correlation Function
    • Linear Prediction

Instantaneous Features

  1. Audio Pro-Processing
    • Down-Mixing
    • DC Removal
    • Normalization
    • Down-Sampling
    • Other Pre-Processing Options
  2. Statistical Properties
    • Arithmetic Mean
    • Geometric Mean
    • Harmonic Mean
    • Generalized Mean
    • Centroid
    • Variance and Standard Deviation
    • Skewness
    • Kurtosis
    • Generalized Central Moments
    • Quantiles and Quantile Ranges
  3. Spectral Shape
    • Spectral Rolloff
    • Spectral Flux
    • Spectral Centroid
    • Spectral Spread
    • Spectral Decrease
    • Spectral Slope
    • Mel Frequency Cepstral Coefficients
  4. Signal Properties
    • Tonalness
    • Autocorrelation Coefficients
    • Zero Crossing Rate
  5. Feature Post-Processing
    • Derived Features
    • Normalization and Mapping
    • Subfeatures
    • Feature Dimensionality Reduction

Intensity

  1. Human Perception of Intensity and Loudness
  2. Representation of Dynamics in Music
  3. Features
    • Root Mean Square
    • Peak Envelope
    • Psycho-Acoustic Loudness Features

Tonal Analysis

  1. Human Perception of Pitch
    • Pitch Scales
    • Chroma Perception
  2. Representation of Pitch in Music
    • Pitch Classes and Names
    • Intervals
    • Root Note, Modem and Key
    • Chords and Harmony
    • The Frequency of Musical Pitch
  3. Fundamental Frequency Detection
    • Detection Accuracy
    • Pre-Processing
    • Monophonic Input Signals
    • Polyphonic Input Signals
  4. Tuning Frequency Estimation
  5. Key Detection
    • Pitch Chroma
    • Key Recognition
  6. Chord Recognition

Temporal Analysis

  1. Human Perception of Temporal Events in Music
    • Onsets
    • Tempo and Meter
    • Rhythm
    • Timing
  2. Representation of Temporal Events in Music
    • Tempo and Time Signature
    • Note Value
  3. Onset Detection
    • Novelty Function
    • Peak Picking
    • Evaluation
  4. Beat Histogram
    • Beat Histogram Features
  5. Detection of Tempo and Beat Phase
  6. Detection of Meter and Downbeat

Alignment

  1. Dynamic Time Warping
    • Example
    • Common Variants
    • Optimizations
  2. Audio-to-Audio Alignment
    • Ground Truth Data for Evaluation
  3. Audio-to-Score Alignment
    • Real-Time Systems
    • Non-Real-Time Systems

Musical Genre, Similarity, and Mood

  1. Musical Genre Classification
    • Musical Genre
    • Feature Extraction
    • Classification
  2. Related Research Fields
    • Music Similarity Detection
    • Mood Classification
    • Instrument Recognition

Audio Fingerprinting

  1. Fingerprint Extraction
  2. Fingerprint Matching
  3. Fingerprint System: Example

Music Performance Analysis

  1. Musical Communication
    • Score
    • Music Performance
    • Production
    • Recipient
  2. Music Performance Analysis
    • Analysis Data
    • Research Results

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