addEcho abstract method
Add an echo to this channel.
Implementation
void addEcho({
required final BackendEcho echo,
final double gain = 1.0,
final double fadeTime = 0.01,
});
Add an echo to this channel.
void addEcho({
required final BackendEcho echo,
final double gain = 1.0,
final double fadeTime = 0.01,
});