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WERU 89.9 FM Blue Hill, Maine Local News and Public Affairs Archives

Audio archives of spoken word broadcasts from Community Radio WERU 89.9 FM Blue Hill (weru.org)

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  • Producer/Host: Jim Campbell

    Well, the mp3 file format passed away last week. The patent on the codec ran out and the patent holder is off to other things, and there are now more effective audio compression codecs around. Still, mp3 was revolutionary in its time so we dug in the archives to find this old edition that explains just how audio compression in general and mp3 compression in particular works. So long, old friend.

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  • Producer/Host: Jim Campbell

    We compress sound files into lossy formats such as mp3. The assumption is that most of what is thrown away in the process we humans couldn’t hear anyway. Maybe not. Here’s why.

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  • Producer/Host: Jim Campbell

    Lossy music compression such as that used for mp3 files is based on the assumption that it is okay to throw away quite a lot of information from a sound stream since humans can’t hear it anyway. But is that really true? A new research paper says maybe not.

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  • Producer/Host: Jim Campbell

    It’s summer – at last – her on the coast of Maine and visitors are starting to arrive. We thought this would be a good time to dust off a few old chestnuts and replay them so folks who are visiting could give them a listen and so the rest of us could listen again. Here’s one about music fidelity, vinyl, mp3s, and the human ear.

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  • Producer/Host: Jim Campbell

    How do you prefer to listen to music – on downloaded mp3 files, on CD, on vinyl? On vinyl, you may say – are you kidding? Nope, vinyl is making a comeback, and audiophiles claim that’s because vinyl sounds better. Does it?
    Listen up and see what you think.

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  • Producer/Host: Jim Campbell

    So what’s the fastest growing music distribution format these days? If you answered vinyl, you’re absolutely right, even though vinyl still only accounts for about 1% of music sales. But what’s going on – isn’t vinyl dead? Apparently not, and its proponents say that’s because the sound of vinyl is superior to CDs and certainly to mp3 and other compressed formats.Is that true? Well, if you look at the physics…

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