Been using matplotlib to make some sonograms for our acoustic monitoring stations. Has some nice plotting functions that are inspired by how Matlab does plotting. They have nice export options with SVG, PNG etc, plus the GUI defaults allow you to zoom around on the plot. The documentation isn’t the greatest, but with enough web searching and trolling the mailing list archives you can get the hang of it.
Here is grab from a sonogram plot that I did using the python wave library and matplotlib’s specgram(function).

Published by Jonah on November 30, 2006
in blog.
Just changed the theme for the blog to K2. I like it better already. I took a few of my digital photos from various trips and nature hikes and sliced out banners from them that are randomized. K2 has a nice backend interface to editing options where you don’t have to dive into CSS if you don’t want to. Maybe I’ll actually start updating this page…who knows.
Off to Ecological Informatics conference in Santa Barbara on Sunday. Will try to post a couple of neat tools and libraries before then that I have been working with for my learning from data course project.
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