Serial Data in byte[] convert to double[] simples of signal

[NyanNaingTun]

This is very helpful project for me.
I would to ask my issue to solute.
In DTMFUtil.java, DTMFUtil(double[] samples, int Fs) is found.
But in my case, I got streamed audio data( byte[] type) from serial connection.
I would like to know that how to conversion from serial data( byte[]) to samples of signal (double[] type)

[liushunshun]

@NyanNaingTun Has your problem been solved ？