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Spectral Frequency Analysis


Total Posts: 1
Joined: May 2012

Over here in GA T.E. is becoming pretty popular.  Most of us use it in combination with airplay so the students can all see what we are doing.  The Waveform window is so useful for improving articulation - I am sure it is the most popular feature besides the tuner itself.

I'd like a little more help understanding the Spectral Frequency analysis.  It seems this could be extremely helpful for students when explaining what a full, rich tone quality looks like.

Posted on May 07, 2012 at 5:21 AM
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Total Posts: 115
Joined: Feb 2012

Re: Spectral Frequency Analysis

The spectral frequency analysis plot can visually show the timbre of the tone.  The peaks you see when sounding a note are all the harmonics/partials/overtones, and the height of those peaks at a given frequency (x-axis) shows how strong that particular frequency is.  For instance, a bright, brash sound will a good deal of energy across the whole frequency range, so you'll see that the peaks remain high as you look to the right, going up in frequency.  Whereas with a mellow/dark/round tone you will see the higher frequency harmonics fall off rapidly as you look to the right.  

Obviously, each instrument will have have a different baseline frequency response, but by experimenting with mellow and bright tones on each, it will give you a feel for what to look for when you are trying to target specific tone qualities.  I hope this relatively non-scientific explanation was helpful!

Posted on May 22, 2012 at 1:22 PM