Sure they are “streaming.” But they are being buffered so that they can play at a given quality w/o being downloaded. Note that the wav file takes longer to buffer and begin playing as one would expect from a larger file. And that’s a way to cheat on the test by noting that difference! I would not think NPR engineers would add any compression nor would your computer. You should be playing them exactly as if you downloaded them. FWIW!

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