- Wavetable Crossfading (compound, vector, Linear Arithmetic)
- Wavestacking (sum of different waveforms)
- Terrains (2D surface) and Orbits (sequence of points over the terrain)
- Generating Predictable Waveforms from Wave Terrains
- Periodic Orbits
- Time-varying Orbits
- Granular Synthesis: Background
- Iannis Xenakis (1960)
- Curtis Roads (1974)
- Barry Truax (1987)
- Sonic Grains
- Envelopes: Gaussian, Quasi-Gaussian, Three-stage linear, Pulse
- Duration: 1-100ms (constant, random, frequency dependent)
- Waveform: synthetic, sampled
- Variables: duration, envelope, frequency, samples, spatial location, waveform
- Grain Generator Instrument
- High_level Granular Organization
- Fourier/Wavelet Grids and Screens
- Pitch Synchronous Granular Synthesis
- Quasi-synchronous Granular Synthesis
- Asynchronous Granular Synthesis
- Time Granulation of Sampled Sound
- Assessment of Granular Synthesis
- Introduction to Filters
- FIR filters (feedforward)
- IIR filters (feedback)
- Filter Types and Response Curves
- lowpass, highpass, bandpass, bandreject (notch), shelving
- cutoff frequency (half-power point: 0.707, - 3dB)
- stopband, passband, transition band (ripple, rolloff)
- center frequency, bandwidth
- Filter Q and Gain
- Q = F(center) / F(high cutoff) - F (low cutoff)
- gain compensation
- constant Q filter
- Filter Banks and Equalizers
- graphic, parametric, semiparametric
- Comb and Allpass Filters
- Time-varying Subtractive Synthesis
- The Vocoder
- What is Linear Prediction?
- LPC Analysis
- Filter Estimation
- Pitch and Amplitude Analysis
- Voiced/Unvoiced Decision
- Analysis Frames
- LPC Synthesis
- Editing LPC Frame Data
- Musical Extensions of Standard LPC
- Assessment of LPC
- Diphone Analysis/Resynthesis
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For comments or questions email to: ich@peabody.jhu.edu