Cool! I'll have fun playing with these examples. Thanks for the toot.<div><br></div><div>~Kyle<br><br><div class="gmail_quote">On Wed, Mar 18, 2009 at 3:38 AM, Frank Barknecht <span dir="ltr"><<a href="mailto:fbar@footils.org">fbar@footils.org</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">Hallo,<br>
<div class="im">Frank Barknecht hat gesagt: // Frank Barknecht wrote:<br>
<br>
> - inversion: That's a bit more complicated. Quoting Wikipedia:<br>
><br>
> Inverted melodies<br>
><br>
> When applied to melodies, the inversion of a given melody is the<br>
> melody turned upside-down. For instance, if the original melody has a<br>
> rising major third (see interval), the inverted melody has a falling<br>
> major third (or perhaps more likely, in tonal music, a falling minor<br>
> third, or even some other falling interval). Similarly, in twelve-tone<br>
> technique, the inversion of the tone row is the so-called prime series<br>
> turned upside-down.<br>
> <a href="http://en.wikipedia.org/wiki/Inversion_(music)#Inverted_melodies" target="_blank">http://en.wikipedia.org/wiki/Inversion_(music)#Inverted_melodies</a><br>
><br>
> In inversion.pd this is realised by walking through the list with<br>
> list-map, taking the difference between the current element and the<br>
> previous element, then substracting this from the current element.<br>
> The first element in a list is treated specially as it has no<br>
> previous element (it's just copied).<br>
<br>
</div>Ah, sorry: The patch is correct, but my explanation is wrong. Here's an update:<br>
<br>
<br>
In inversion.pd this is realised by walking through the list with list-map. The<br>
interval to use next is calculated by taking the difference between the current<br>
element and the previous element. This interval is substracted (not added,<br>
because we are "retro"-grading) from the previous note, the resulting note is<br>
stored for the next step and inserted into the result list. The first element<br>
<div class="im"> in a list is treated specially as it has no previous element: it's just copied<br>
</div> and used as the starting note.<br>
<div><div></div><div class="h5"><br>
Ciao<br>
--<br>
Frank<br>
<br>
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