2) Since the sound files on iTunes are AAC/MPEG 4, put your iTunes files on a disk to convert them to mp3, then to wav.
Although I haven't used wav2rso in a while, I think you could do the following for animal sounds: 1) Get animal sounds off of iTunes.C, C++, C# and many other programming languages recognize the double as a type. The double is a fundamental data type built into the compiler and used to define numeric variables holding numbers with decimal points.