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Re: Shepard tone
I loved that album, BGM....
>At 2:36 PM -0600 11/6/07, Daryl Shawn wrote:
>>Perhaps most people are familiar with this, but this blows my
>>mind...a "Shepard tone", created of a particular combination of
>>sine waves, which makes it seem as if the tone is continuously
>>descending without ever reaching bottom. A loop that simply
>>repeats, while only APPEARING to evolve...awesome.
>>here's a direct link to a nicely done clip on Wikipedia:
>Relatedly, check out Oli Larkin's "Endless Series" VST effect bundle
>( http://www.olilarkin.co.uk/index.php?p=eseries ) which features
>effects based upon practical applications of the Shepard/Risset
>tones -- endless flanging, phasing, pitch shifting, etc. I haven't
>tried them out yet (just found this info myself last week on
>kvr-vst.com) but they look pretty interesting on paper.
>Another good example of Shepard tones is in "Loom", the last song
>from Yellow Magic Orchestra's 1981 release 'BGM' (whick, along with
>'Technodelic', also happens to be quite possibly one of their two
>finest albums, IMNSHO). The first minutes of the song are based
>primarily around a rising Shepard tone series. Additionally, the
>Wikipedia entry mentions that this song is a reworking of "The
>Infinite Space Octave" -- a tune released by their computer
>programer Hideki Matsutake. That last fact was news even to me.
>(Okay, so I'm feeling a bit like "meaningless-trivia-r-us" today...)
>"I want to keep you alive so there is always the possibility of