PSN-L Email List Message
Subject: Re: FFT Waterfall Display
From: "Michael Kimzey" mckimzey@...........
Date: Mon, 09 Jul 2007 08:23:35 -0400
>The Cornell Lab of Ornithology offers a free program for displaying
>waterfall spectrograms of WAVE format sound files, which although intended
>for the study of bird songs, would be useful for earthquakes as well. All
>have to do is convert your event files to 16-bit monaural WAVE format and
>use Cornell's "Raven Lite 1.0" application. It is free, and can display
>spectrograms in color or black-and-white. See:
Ok, so that begs the question, how do we convert an event to a 16 bit wave
file? Actually, this is a question that has more implications, as some
gentleman actually took USGS data and did convert it to a wave file, then
sped it up and is using it as an art exhibit. See:
So, if anyone knows how to convert events, or even WinSDR data to a "wave"
file, it can be sped up and I think that one day's worth was approximately 4
minutes of sound.
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