Just three years later, Buys Ballot, a Dutchman, demonstrated the Doppler Effect on sound waves by having six tubas play the same sustained note while perched on the front of a speeding locomotive.
In 1842, Christian Doppler suggested that “the observed frequency of a wave depends on the relative speed of the source and the observer.” Doppler was thinking about star light, not sound, but a wave is a wave is a wave. (Kids whirling objects around on a string were not the scientific observers for which one would have hoped.) To notice even a slight pitch change of 2% a sound source with 100% constant pitch would have to be approaching the listener at 15 mph. Why had no one elucidated this effect in our long history? It’s simple few things moved fast enough! Sound travels at ~750 mph. While Pitch Change is naturally occurring, throughout history, humans would rarely have perceived the effect because the sound source must be traveling at a high enough rate of speed relative to the listener to cause a discernible change in pitch. There’s a lot of history to cover about the conception and development of the Harmonizer so let’s first consider the underlying principle: the interesting phenomenon known as Pitch Change. The other way you can get this sound is with the official Eventide Clockworks bundle, which is Pro Tools only and costs £569.In 2007, 42 years after its invention, Eventide was gobsmacked (assuming Eventide has a gob to smack) to enter the Hall of Fame hand-in-hand with the iconic Theremin. The Discord has a great, gritty, old-school digital sound and really simple controls. It's very good at mad feedback: I made this in twenty minutes with Live 4, a Prince loop and some dodgy ragga samples (and Metal Mickey on the vocals). Playing with it, I kept stumbling across sounds from records. Tony Visconti used the second one in Europe on Bowie's 'Low', and Bowie used it most obviously on 'Fame'. Most of the 'Purple Rain' album seems to have been through one.
All those sped up/slowed down vocals and spacey drums. You've heard it: On almost every record made between '80 and '88. It's a pitch-shifter and delay, which does subtle double-tracking or massive stereo warping bwoyoyoing effects
It is: A VST plugin which sounds like the legendary Eventide Harmonizer H910, which 'fucks with the fabric of time'.
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