Creates a new instance of a 'soundSample' object.
A sound sample can be viewed as a minimalistic version of
an "audio wave" object (see package tuneR for instance).
It is necessarily mono and the wave time series is normalized
between -1 and 1.
sam <- soundSample(sin(2*pi*seq(0,1,,44100)*440)) # 1-second A (440 Hz)sam <- soundSample(sin(2*pi*seq(0,1,,44100)*440)+0.1*rnorm(44100)) # 1-second noisy A