Experiment 2

Description

This experiment considered training the models against the digital phaser data for different LFO rates: fast ($T_0=0.5\text{s}$), medium ($T_0=2\text{s}$) and slow ($T_0=8\text{s}$).

The training window lengths, $W$, were set relative to the target LFO period:

$$W = T_0 2^b / 100$$

The audio examples below demonstrate the shortest, median and longest window lengths used for each rate.

Digital Phaser

Target parameters: feedforward gain: $g_1 = 1.0$, feedback gain: $g_2=0.7$, delay-line length $\phi=1$.

$$T_0$$	Reference	$$b=0, \quad W/T_0 = 1\%$$	$$b=2.5, \quad W/T_0 \approx 5\%$$	$$b=5, \quad W/T_0 = 32\%$$
0.5s
2s
8s