On Thu, Apr 9, 2015 at 4:29 PM, Paul Davis <paul@linuxaudiosystems.com> wrote:

On Thu, Apr 9, 2015 at 4:27 PM, Kevin Cosgrove <kevinc@cosgroves.us> wrote:

What I'm *NOT* looking for are point tools. I know about, and
have used, many a tool to create time plots, spectrograms, and
frequency plots. My motivation is to learn a bit more about
audio processing theory, and I'm looking for tools that will help
me explore.

have you had a look at sonic visualizer/visualiser ?

(from the website): "The aim of Sonic Visualiser is to be the first program you reach for when want to study a musical recording rather than simply listen to it."