what are externals?
-------------------

- collections of additional pd objects for standard applications

- written in C or simply as a collection of abstractions


standard externals:
-------------------

- bonk~, choice, expr~, fiddle~, loop~, lrshift~, pique:
  are part of the pd standard distribution
  -> ..\pd\extra

- iemlib:
  hi-quality audio filter, mp3 player, GUIs, extended control structures
  -> http://pd.iem.at

- zexy:
  audio limiter, matrix calculations, extended control structures
  -> http://pd.iem.at

- GEM:
  pd-program extension for 3D-graphic rendering
  -> http://gem.iem.at


other externals (to name only a few):
-------------------------------------

- granulator:
  granular synthesis with pd
  
- vbap:
  vector-based-amplitude panning with pd

- maxlib:
  weighted-random stuff with pd, extended control structures

... easy to find on the internet ...


external installation:
----------------------

- usually in a subfolder of ..\pd\extra\

- different behaviour of different externals regarding installation (where to put help files etc.)



		---						     ---
		pd-tutorial, Florian Hollerweger, floholl@sbox.tugraz.at