Create a graphical path of text file

I have a research project where I need to superimpose a chart of scrolling representative vibrato (sine wave as the fundamental frequency changes) of violin performance.

The video below was made some years ago - overlay was done manually by the chart plotted by frequency of screenshot analysis program. It was a lot of work because the program could not trace the entire graph of a sudden and I had to capture multiple screens and collect them before importing to AE.

The program can display data from text of time / frequency in one shot (see below), and I'm hoping to turn that plot data in a chart in AE, possibly using effect of outline or something.

Time_s F0_Hz

4.993033 238.870532

5.000533 238.933763

5.008033 239.104388

5.015533 239.433866

....

I'm trying to find me an answer, but in the meantime I am also asking gurus for any suggestions/pointers.

Thanks in advance for any help.

Eitaro Kawaguchi, engineer

College of Music, Florida State University

You can use the effect drawn or a particle system that injects a particle for each sample or any other method you may fancy, which renders a dot or partial stroke dynamically. And you wouldn't necessarily use a huge solid. You simply let the scroll of graph by using the built-in options of effects like management to show additional effects as movement tile or transformation. You really need to think differently here. It is a view, not a tool of analysis.

Mylenium

Tags: After Effects

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