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Zoelzer U. Digital Audio Effects
Издательство John Wiley, 2002, -554 pp.

Digital Audio Effects DAFX with MATLAB.
Fundamentals of Digital Signal Processing.
Digital Signals, Spectrum Analysis of Digital Signals, Digital Systems.

Filters.
Basic Filters.
Lowpass Filter Topologies, Parametric AP, LP, HP. BP and BR Filters, FIR Filtersm, Convolution.
Equalizers.
Shelving Filters, Peak Filters.
Time-varying Filters.
Wah-wah Filter, Phases, Time-varying Equalizers.

Delays.
Basic Delay Structures.
FIR Comb Filter, IIR Comb Filter, Universal Comb Filter, Fractional Delay Lines.
Delay-based Audio Effects.
Vibrato, Flanger, Chorus, Slapback, Echo, Multiband Effects, Natural Sounding Comb Filter.

Modulators and Demodulators.
Modulators.
Ring Modulator, Single-Side Band Modulator, Amplitude Modulator, Frequency and Phase Modulator.
Demodulators.
Detectors, Averagers, Amplitude Scalers, Typical Applications.
Applications.
Vibrato, Stereo Phaser, Rotary Loudspeaker Effect, SSB Effects, Simple Morphing: Amplitude Following.

Nonlinear Processing.
Dynamics Processing.
Limiter, Compressor and Expander, Noise Gate, De-esser, Infinite Limiters.
Nonlinear Processors.
Basics of Nonlinear Modeling, Valve Simulation, Overdrive, Distortion and Fuzz, Harmonic and Subharmonic Generation, Tape Saturation.
Exciters and Enhancers.
Exciters, Enhancers.

Spatial Effects.
Basic Effects.
Panorama, Precedence Effect, Distance and Space Rendering, Doppler Effect, Sound Trajectories.
3D with Headphones.
Localization, Interaural Differences, Extealization, Head-Related Transfer Functions.
3D with Loudspeakers.
Introduction, Localization with Multiple Speakers, 3D Panning, Ambisonics and Holophony, Transaural Stereo, Room-Within-the-Room Model.
Reverberation.
Acoustic and Perceptual Foundations, Classic Reverberation Tools, Feedback Delay Networks, Convolution with Room Impulse Responses.
Spatial Enhancements.
Stereo Enhancement, Sound Radiation Simulation.

Time-segment Processing.
Variable Speed Replay.
Time Stretching.
Historical Methods – Phonoghe, Synchronous Overlap and Add (SOLA), Pitch-synchronous Overlap and Add (PSOLA).
Pitch Shifting.
Historical Methods – Harmonizer, Pitch Shifting by Time Stretching and Resampling, Pitch Shifting by PSOLA and Formant Preservation, Pitch Shifting by Delay Line Modulation.
Time Shuffling and Granulation.
Time Shuffling, Granulation.

Time-frequency Processing.
Phase Vocoder Basics.
Filter Bank Summation Model, Block-by-Block Analysis/Synthesis Model.
Phase Vocoder Implementations.
Filter Bank Approach, Direct FFT/IFFT Approach, FFT Analysis/Sum of Sinusoids Approach, Gaboret Approach, Phase Unwrapping and Instantaneous Frequency.
Phase Vocoder Effects.
Time-frequency Filtering, Dispersion, Time Stretching, Pitch Shifting, Stable/Transient Components Separation, Mutation between Two Sounds, Robotization, Whisperization, Demising.

Source-Filter Processing.
Source-Filter Separation.
Channel Vocoder, Linear Predictive Coding (LPC), Cepstrum.
Source-Filter Transformations.
Vocoding or Cross-synthesis, Formant Changing, Spectral Interpolation, Pitch Shifting with Formant Preservation.
Feature Extraction.
Pitch Extraction, Other Features.

Spectral Processing.
Spectral Models.
Sinusoidal Model, Sinusoidal plus Residual Model.
Techniques.
Analysis, Feature Analysis, Synthesis, Main Analysis-Synthesis Application.
FX and Transformations.
Filtering with Arbitrary Resolution, Partial Dependent Frequency Scaling, Pitch Transposition with Timbre Preservation, Vibrato and Tremolo, Spectral Shape Shift, Gender Change, Harmonizer, Hoarseness, Morphing.
Content-Dependent Processing.
Real-time Singing Voice Conversion, Time Scaling.

Time and Frequency Warping Musical Signals.
Warping.
Time Warping, Frequency Warping, Algorithms for Warping, Short-time Warping and Real-time Implementation, Time-varying Frequency Warping.
Musical Uses of Warping.
Pitch Shifting Inharmonic Sounds, Inharmonizer.
Comb FilteringfWarping and Extraction of Excitation Signals in Inharmonic Sounds.
Vibrato, Glissando, Trill and Flatterzunge, Morphing.
Conclusion.
Control of Digital Audio Effects.

General Control Issues.
Mapping Issues.
Assignation, Scaling,
GUI Design and Control Strategies.
General GUI Issues, A Small Case Study, Specific Real-time Control Issues, GUI Mapping Issues, GUI Programming Languages.
Algorithmic Control.
Abstract Models, Physical Models.
Control Based on Sound Features.
Feature Extraction, Examples of Controlling Digital Audio Effects.
Gestural Interfaces.
MIDI Standard, Playing by Touching and Holding the Instrument, Force-feedback Interfaces, Interfaces Wo on the Body, Controllers without Physical Contact.

Bitstream Signal Processing.
Sigma Delta Modulation.
A Simple Linearized Model of SDM, A First-order SDM System, Second and Higher Order SDM Systems.
BSP Filtering Concepts.
Addition and Multiplication of Bitstream Signals, SD IIR Filters, SD FIR Filters.
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