---

ELSE - EL Locus Solus' Externals

for the Pure Data programming language

Version: 1.0-0 beta-29 With Live Electronics Tutorial

Unreleased

Copyright © 2017-2020 Alexandre Torres Porres

This work is free. You can redistribute it and/or modify it under the terms of the Do What The Fuck You Want To Public License, Version 2, as published by Sam Hocevar. See License.txt https://github.com/porres/pd-else/blob/master/License.txt and http://www.wtfpl.net/ for more details

Other licenses may apply for specific objects and this is informed in the source code (example: the [giga.rev~] object).

---

About ELSE

​ ELSE is a big library that provides a cohesive system for computer music, it also serves as a basis for an Live Electronics Tutorial by the same author: Alexandre Torres Porres. This tutorial is also found as part of the download of the ELSE library.

​ This version of ELSE needs Pd 0.51-0 or above, download Pure Data from: http://msp.ucsd.edu/software.html

​ This project is still in a beta phase, where drastic changes may occur and backwards compatibility is not guaranteed until a final release is available.

​ This library's repository resides at https://github.com/porres/pd-else/.

---

Downloading ELSE:

​ You can get ELSE from https://github.com/porres/pd-else/releases - where all releases are available, but ELSE is also found via Pd's external manager (In Pd, just go for Help => Find Externals and search for 'else'). Note that since version 1.0-0 beta 28, the downloads of ELSE also contain a "live eletronics tutorial" as part of the package (as mentioned above). Look for the 'live-electronics-tutorial' folder inside it and also check its README on how to install it.

​ Instructions on how to build ELSE are provided below.

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Installing ELSE:

​ ELSE comes as a set of separate binaries and abstractions, so it works if you just add its folder to the path. Nonetheless, it can also be loaded as a library via "Preferences => Startup" or with [declare -lib else], and this is the oficial way of loading 'else' - even though that all this does is just print the library information on Pd's terminal window.

​ It's important to stress this release needs Pd Vanilla 0.51-0 or above (Pd Extended/Purr Data aren't supported).

---

More About ELSE

"EL Locus Solus" organizes cultural events/concerts and music technology courses () http://alexandre-torres.wixsite.com/el-locus-solus ) where a Live Electronics tutorial is provided with examples in Pure Data for its courses. These have just been translated and completely rewritten to english with plans of being accompanied by a book. The first versions are available at: https://github.com/porres/Live-Electronic-Music-Tutorial. This tutorial it solely depends on the ELSE library and it is a great didactic companion to this library. Both the library and the tutorial are provided as a single download, directly from Pure Data or GitHub.

These examples were first developed for the now abandoned Pd Extended, making extensive use of the existing objects available in Pd Extended's libraries. Even though Pd Extended had many externals, there was the need at some point for something "else" - thus, this library emerged with the goal of providing more objects to include missing functionalities in the Pd Ecossystem.

But the library grew to encompass functionalities found in other Pd objects/libraries from old Pd Extended as well, with a different design and more functionalities. This was done in order to remove ALL the dependencies of the didactic material from these other libraries - with the goal to rely on just a single library that's alive (in active development) instead of many projects that are now long gone abandoned or not receiving attention. I'm also involved in maintaining Cyclone, a legacy library for Pd (see: https://github.com/porres/pd-cyclone). But ELSE also superseeds cyclone for the purposes of this didactic material.

The goal of ELSE also outgrew the didactic material and includes now objects not necessarily depicted in the computer music examples. Moreover, even basic elements from Pd Vanilla are being redesigned into new objects. So that's it, ELSE is becoming a quite big library and keeps growing and growing.

It will still take a little while for ELSE to stabilize into a final version. For now, it's at an early "Beta" stage of development, where drastic changes may occur and backwards compatibility is not guaranteed until a final release is available.

---

Building ELSE for Pd Vanilla:

ELSE relies on the build system called "pd-lib-builder" by Katja Vetter (check the project in: https://github.com/pure-data/pd-lib-builder). PdLibBuilder tries to find the Pd source directory at several common locations, but when this fails, you have to specify the path yourself using the pdincludepath variable. Example:

make pdincludepath=~/pd-0.51-0/src/  (for Windows/MinGW add 'pdbinpath=~/pd-0.51-0/bin/)

• Installing with pdlibbuilder

Go to the pd-else folder and use "objectsdir" to set a relative path for your build, something like:

make install objectsdir=../else-build

Then move it to your preferred install folder for Pd and add it to the path.

Cross compiling is also possible with something like this

make CC=arm-linux-gnueabihf-gcc target.arch=arm7l install objectsdir=../

---

Acknowledgements

​ Special thanks to Flávio Luis Schiavoni, for helping me out in a few things when I first started coding and collaborating with the objects: [median~] and [keyboard].

​ I'd also like to thank my cyclone buddy Matt Barber, for developing the "magic" code I'm using here and also collaborating with the [float2bits], [brown~], [gray~] and [pinknoise~] objects.

---

Current Object list (369 objects):

ASSORTED: [04]

• [table~]
• [nbang]
• [meter]
• [else]

FFT: [02]

• [hann~]
• [bin.shift~]

PATCH/SUBPATCH MANAGEMENT: [17]

• [args]
• [dollarzero]
• [receiver]
• [blocksize~]
• [click]
• [properties]
• [canvas.active]
• [canvas.bounds]
• [canvas.gop]
• [canvas.pos]
• [canvas.edit]
• [canvas.vis]
• [canvas.setname]
• [canvas.wname]
• [canvas.name]
• [canvas.zoom]
• [loadbanger] / [lb]

MESSAGE MANAGEMENT: [19]

• [format]
• [separate]
• [any2symbol]
• [changed]
• [hot]
• [initmess]
• [message]
• [setmess]
• [pack2]
• [pick]
• [limit]
• [router]
• [routeall]
• [routetype]
• [selector]
• [stack]
• [trigger2] / [t2]
• [sig2float~] / [s2f~]
• [float2sig~] / [f2s~]

LIST/MESSAGE MANAGEMENT: [13]

• [break]
• [order]
• [regroup]
• [iterate]
• [scramble]
• [sort]
• [reverse]
• [rotate]
• [sum]
• [stream]
• [slice]
• [merge]
• [unmerge]

FILE MANAGEMENT: [01]

• [dir]

MIDI: [18]

• [midi]
• [sysrt.in]
• [sysrt.out]
• [ctl.in]
• [ctl.out]
• [touch.in]
• [touch.out]
• [pgm.in]
• [pgm.out]
• [bend.in]
• [bend.out]
• [note.in]
• [note.out]
• [clock]
• [panic]
• [mono]
• [voices]
• [suspedal]

MATH: FUNCTIONS: [25]

• [add~]
• [add]
• [median]
• [avg]
• [mov.avg]
• [count]
• [common.div]
• [ceil]
• [ceil~]
• [factor]
• [floor]
• [floor~]
• [int~]
• [rint~]
• [rint]
• [quantizer~]
• [quantizer]
• [fold]
• [fold~]
• [lastvalue]
• [mag]
• [mag~]
• [sin~]
• [wrap2]
• [wrap2~]

MATH: CONVERSION: [27]

• [hex2dec]
• [bpm]
• [dec2hex]
• [car2pol]
• [car2pol~]
• [cents2ratio]
• [cents2ratio~]
• [ms2samps]
• [ms2samps~]
• [db2lin]
• [db2lin~]
• [float2bits]
• [hz2rad]
• [hz2rad~]
• [lin2db]
• [lin2db~]
• [rad2hz]
• [rad2hz~]
• [ratio2cents]
• [ratio2cents~]
• [samps2ms]
• [samps2ms~]
• [pol2car]
• [pol2car~]
• [rescale]
• [rescale~]
• [op~]

MATH: CONSTANT VALUES: [04]

• [sr~]
• [nyquist~]
• [pi]
• [e]

MATH: RANDOM: [07]

• [rand.f]
• [rand.f~]
• [rand.seq]
• [rand.i]
• [rand.i~]
• [drunkard~]
• [drunkard]

LOGIC: [02]

• [loop]
• [moses~]

AUDIO PROCESSING: ASSORTED [21]

• [downsample~]
• [conv~]
• [chorus~]
• [fbdelay~]
• [ffdelay~]
• [shaper~]
• [crusher~]
• [drive~]
• [flanger~]
• [freq.shift~]
• [pitch.shift~]
• [stretch.shift~]
• [ping.pong~]
• [rm~]
• [tremolo~]
• [vibrato~]
• [vocoder~]
• [morph~]
• [freeze~]
• [pvoc.freeze~]
• [phaser~]

AUDIO PROCESSING: DYNAMICS [05]

• [compress~]
• [duck~]
• [expand~]
• [noisegate~]
• [norm~]

AUDIO PROCESSING: REVERBERATION: [09]

• [allpass.rev~]
• [comb.rev~]
• [echo.rev~]
• [mono.rev~]
• [stereo.rev~]
• [free.rev~]
• [giga.rev~]
• [plate.rev~]
• [fdn.rev~]

AUDIO PROCESSING: FILTERS [23]:

• [allpass.2nd~]
• [allpass.filt~]
• [comb.filt~]
• [lop.bw~]
• [hip.bw~]
• [biquads~]
• [bandpass~]
• [bandstop~]
• [crossover~]
• [bpbank~]
• [bicoeff]
• [brickwall~]
• [eq~]
• [highpass~]
• [highshelf~]
• [lowpass~]
• [lowshelf~]
• [mov.avg~]
• [resonbank~]
• [resonbank2~]
• [resonant~]
• [resonant2~]
• [svfilter~]

SAMPLING/PLAYING/GRANULATION: [08]

• [player~]
• [gran.player~]
• [pvoc.player~]
• [pvoc.live~]
• [rec~]
• [rec.file~]
• [play.file~]
• [sample~]

PHYSICAL MODELLING: [01]

• [pluck~]

OSCILLATORS (DETERMINISTIC GENERATORS): [24]

• [cosine~]
• [impulse~] / [imp~]
• [impulse2~] / [imp2~]
• [parabolic~]
• [pulse~]
• [saw~]
• [saw2~]
• [oscbank~]
• [oscbank2~]
• [sine~]
• [square~]
• [tri~]
• [vsaw~]
• [pmosc~]
• [wavetable~] / [wt~]
• [bl.imp~]
• [bl.imp2~]
• [bl.saw~]
• [bl.saw2~]
• [bl.sine~]
• [bl.square~]
• [bl.tri~]
• [bl.vsaw~]
• [bl.wavetable~]

CHAOTIC GENERATORS: [24]

• [brown~]
• [clipnoise~]
• [crackle~]
• [cusp~]
• [fbsine~]
• [fbsine2~]
• [gbman~]
• [gray~]
• [henon~]
• [ikeda~]
• [latoocarfian~]
• [lorenz~]
• [lfnoise~]
• [lincong~]
• [logistic~]
• [quad~]
• [rampnoise~]
• [randpulse~]
• [randpulse2~]
• [standard~]
• [stepnoise~]
• [pinknoise~]
• [xmod~]
• [xmod2~]

SIGNAL ROUTING: [12]

• [balance~]
• [pan2~]
• [pan4~]
• [pan8~]
• [spread~]
• [rotate~]
• [xfade~]
• [xgate~]
• [xgate2~]
• [xselect~]
• [xselect2~]
• [mtx~]

CONTROL: [30]

• [mouse]
• [canvas.mouse]
• [adsr~]
• [asr~]
• [autofade~]
• [autofade2~]
• [decay~]
• [decay2~]
• [envelope~]
• [envgen~]
• [fader~]
• [function~]
• [lag~]
• [lag2~]
• [glide~]
• [glide2~]
• [ramp~]
• [susloop~]
• [drum.seq]
• [sequencer]
• [sequencer~]
• [impseq~]
• [lfo]
• [lfnoise]
• [stepnoise]
• [rampnoise]
• [impulse]
• [pulse]
• [randpulse]
• [randpulse2]

TRIGGERS: [28]

• [above]
• [above~]
• [bangdiv]
• [coin]
• [coin~]
• [dust~]
• [dust2~]
• [gatehold~]
• [gate2imp~]
• [pimp~]
• [tempo]
• [tempo~]
• [pulsecount~]
• [pulsediv~]
• [sh~]
• [schmitt]
• [schmitt~]
• [status]
• [status~]
• [trig.delay~]
• [trig.delay2~]
• [toggleff~]
• [timed.gate]
• [timed.gate~]
• [match~]
• [trig2bang]
• [trig2bang~]
• [trighold~]

ANALYSIS: [13]

• [changed~]
• [changed2~]
• [detect~]
• [lastvalue~]
• [median~]
• [peak~]
• [range]
• [range~]
• [maxpeak~]
• [rms~]
• [mov.rms~]
• [vu~]
• [zerocross~]

GUI: [30]

• [gui]
• [mtx.ctl]
• [biplot]
• [pic]
• [colors]
• [function]
• [circle]
• [slider2d]
• [display]
• [display~]
• [out1~]
• [out~]
• [out4~]
• [out8~]
• [gain~]
• [gain2~]
• [button]
• [keyboard]
• [graph~]
• [range.hsl]
• [spectrograph~]
• [meter~]
• [meter2~]
• [meter4~]
• [meter8~]
• [note]
• [mix2~]
• [mix4~]
• [setdsp~]
• [openfile]

EXTRA: [02]

• [output~]
• [cmul~]