Using libsndfile on OS X may not be cool, but it works.
The source program is here: https://github.com/jh1ood/libsndfileXcode.
In the gnuplot figure, two channels are interleaved. Just see the envelope to find two sinusoids.
Ham Radio Blog
Using libsndfile on OS X may not be cool, but it works.
The source program is here: https://github.com/jh1ood/libsndfileXcode.
In the gnuplot figure, two channels are interleaved. Just see the envelope to find two sinusoids.