Previous discussion:
<a href="http://news.ycombinator.com/item?id=4947970" rel="nofollow">http://news.ycombinator.com/item?id=4947970</a><p>It sounds pretty good, similar to an old tape recording.
I wonder if it would have higher audio resolution if phonograph cylinders were the recording holding device. <a href="http://en.wikipedia.org/wiki/Phonograph_cylinder" rel="nofollow">http://en.wikipedia.org/wiki/Phonograph_cylinder</a>