Should I make a Synth-making function and use that inside the routine's loop? And programming languages have ways formalise such conditions, most typically with an if-else statement. env =, time, 0.05, level: amp), The \\ plays the same role in SuperCollider syntax that the : does in Ruby and Clojure, so \\instrument in SuperCollider means what :instrument would in Ruby or Clojure. You can explore this by peeking under the hood of SC a little: You can see that in the .dumpFullInterface method will tell you all the methods Array inherits from its superclasses. var i = array.indexOfGreaterThan(val); if(i.isNil) { array.size - 1 } { Listen to Supercollider by Unitus with YouTube, Spotify, Deezer, Vimeo & SoundCloud. != stands for not equal Choose these values carefully. Designing Sound in SuperCollider/Schroeder reverb. You will see the path as: Platform .resourceDir +/+ "sounds/a11wlk01.wav" //3.5 or later ( Located at the Beacon Arts Building in Los Angeles, CA, SUPERCOLLIDER is the Mothership (HQ) for … \accent, -0.6, You might not realise it yet, but knowing what you now know is very powerful and it is something you will use all the time for synthesis, algorithmic composition, instrument building, sound installations, and so on. Below is a Twitter composition by Tim Walters, but as you can see, it is not good for human readability although it sounds good (The language doesn’t care about human readability, but we do): It can get tiring to having to select many lines of code and here is where brackets come in handy as they can create a scope for the interpreter. So we could create a variable that is a property of yourself called age. We can also loop through an Array or a List. beatsInLoop = 4, But first let us learn some tricks of peeking under the hood of the SuperCollider language: Each UGen or Class in SuperCollider has a class definition in a class file. Pfindur(4, Yes. TempoClock.tempo = 104/60;, sig ! We have now seen things as 100.rand and a.reverse. basefreqs =, [buf1, buf2]), if(i == 0) { i } { Boolean logic is named after George Boole who wrote an important paper in 1848 (“The Calculus of Logic”) on expressions and reasoning. More on that later. Because you can’t reverse a number. The final thing we should discuss before we start to make sounds with SuperCollider is how we control data and take decisions. And we could even look at the actual frequencies in Hertz of those MIDI notes. This means that it has all the methods of its superclass. Now is the time to dive into making sounds and explore the synthesis capabilities of SuperCollider. GitHub Gist: instantly share code, notes, and snippets. var buf1 = bufnum.floor, Unlike other… In pseudocode it looks like this: So here above is a function that calculates the pay after tax, with the default tax rate set at 20%. Environment SuperCollider version: 3.10 Operating system: Linux (doesn't matter) Steps to reproduce Two crashes with very similar input code. 2 The ++ means concatenate, by the way. \instrument, \bell, (so the line evaluation goes from "case...... to that semicolon" ). This is a typical function that calculates the midi note of a given frequency in Hz (or cycles per second). Pfindur(4, This is about logic, about human thinking, and how to encode such decisions in the form of code. So ‘a’ is a global variable. Let’s open up this input channel, by drilling a hole into the black box, and let’s name this argument ‘freq’ as that’s what we want to put in. There has to be semicolon after each line of code. A hybrid approach is used here, where Pbind calculates the lower buffer number to use and the SynthDef calculates the crossfade strength. SynthDef(\oneLoop, { |out, bufnum, start, time, amp, rate = 1| (As opposed to a "compiled" language like C or Java). In short it is about establishing conditions and then decide what to do with them. var recorder; \time, Pkey(\dur) / Pfunc { thisThread.clock.tempo }, p = Pbind( C++ 3 21 1 0 Updated Oct 15, 2020. homebrew-formulae Repo for homebrew formulas used by the SuperCollider project. // which equals True is associated with 1 and false with 0. This is where we can store bunch of data (whether pitches, scales, synths, or any other information you might want to reference). To avoid this, either use Node objects (which use the default node as their target) or (when using messaging style) use a target nodeID of 1. Thus if you add nodes after the recording synth their output will not be captured. An AudioUnit wrapper that allows using SuperCollider servers inside AudioUnits hosts on macOS. The following will not work. A variable with the name ‘myvar’ could not be global – only single lowercase characters. 4, as in: Comments are red by default, but can be any colour (in the Format menu choose ‘syntax colorize’). b =, Platform.resourceDir +/+ "sounds/a11wlk01.wav"); Perhaps I am going at this the wrong way---I'm very new to SuperCollider. The array we created above had five defined items in it. From Wikibooks, open books for an open world < Designing Sound in SuperCollider. ).play(quant: [4, 4]); ... (s. sampleRate / s. options. See /usr/share/SuperCollider/Help/MIDIFile/MIDIFile-samplepatches.rtf for example usage. the value of the array item that the loop is on and the second one always gets the index. It’s about basic logic that humans do all the time throughout the day. \baseFreqBuf, ~baseBuf, Every year this variable will increase by one integer (a whole number). Now let us try to play a little with the array: and so on. The sample plays at a given frequency at normal rate, so to play a specific frequency, frequency / baseFrequency gives you the required rate. var sig =, bufnum, rate: freq, doneAction: Done.freeSelf) * amp; Designing Sound in SuperCollider/Bubbles. && stands for and ( if(bufCount == 0) { \amp, 0.2, We can now put in any frequency and get the relevant MIDI note. p.stop; recorder = { |freq = 440| It was built by the European Organization for Nuclear Research (CERN) between 1998 and 2008 in collaboration with over 10,000 scientists and hundreds of universities and laboratories, as well … For example: "foo " ++ 3 returns the string "foo 3" In the last chapter, I mentioned Nicole, the ex-grad student working at a SuperCollider startup. On other systems, such as a Mac, you can simply copy into your SuperCollider Extensions directory (typically [$HO… Many SC users go straight into the documentation when they start writing code, using it as a template and copy-paste the examples into their projects. buf2 = buf1 + 1, We could then make a counter: But instead of such counter we can use the argument passed into the function in a loop: Let's now try to make a small program that gives us all the prime numbers from 0 to 10000. Having grasped the topics introduced in this chapter, you should be able to write practically anything that you want, although later we will go into Object Orientated Programming, which will make things considerably more effective and perhaps easy. However, an array (like [11,22,33,44,55]) can be reversed or added to. Introduction, live coding, and "musical" demonstration. SuperCollider Tutorial Chapter 2 By Celeste Hutchins 2005 ... of times the loop has been run, starting with 0. rate: rate *, For this example, we will use "a11wlk01.wav" because it's readily available. If we want longer variable names, we can use environmental variables (using the ~ symbol): they can be seen as global variables, accessible from anywhere in your code. Search for « loop » code in category tags looping buffer granuals by blueprint on 15 Feb'18 05:47 in live loop grains granular NOTE: By default, record creates the recording synth after the Server's default group and uses { ExpRand(0.1, 0.4) } ! We typically keep the reference to the array in a variable so we can access it anywhere in our code: You will see that the post window posts the array there when you run this line. Pattern Guide Cookbook 05: Using Samples: Playing a pattern in time with a sampled loop, Using audio samples to play pitched material, Pattern Guide Cookbook 06: Phrase Network, /usr/local/share/SuperCollider/HelpSource/Tutorials/A-Practical-Guide/PG_Cookbook05_Using_Samples.schelp. ) Real-time audio synthesis engine and music programming language. ar (PlayBuf. This spans one bar = 4 beats, so the duration of one beat is 2.781356 / 4 = 0.695339 seconds/beat. The first example makes a custom protoEvent that calculates rate, as \freq, based on the base frequency. The loop actually starts with a half-beat anacrusis, so Ptpar delays the bell patterns by 0.5 beats. Comments are information written for humans, but ignored by the language interpreter. And these methods could have arguments, like speed(60), or turn(-60). For that we have to call the function, i.e., to ask it to perform its calculation and return some value to us. Here you could use a switch statement: Another way is to use the case statement, and it might be faster than the switch. It is up to you how you format your code, but you'd typically want to keep it readable for yourself in the future and other readers too. Since there isn't an instrument sample in the SuperCollider distribution, we will record a frequency-modulation sample into a buffer before running the pattern.// make a sound sample Also, if you want to read and browse all the documentation, you can open a help browser: \degree, Pseries(0, Prand(#[-2, -1, 1, 2], inf), inf).fold(-11, 11), var initPulse =, p = Pbind( After the semicolon, the interpreter looks at next line. It is a good practice to write comments where you think you might forget what a certain block of code will do. Break from a loop. \decayScale, 0.1, Functions are an important feature of SuperCollider and most other programming languages. }); Note that this argument has been put into the right position inside the calculation. beatsInLoop = 4, So let us try this now: SuperCollider is not strongly typed so there is no need to declare the data type of variables. p = Pbind( \dur, Pwrand([0.25, Pn(0.125, 2)], #[0.8, 0.2], inf), b =, Platform.resourceDir +/+ "sounds/a11wlk01.wav"); //SynthDef (making Synth straight away) which has arguments for the loop points \instrument, \oneLoop, The segment beginning (0.404561) and ending (3.185917) are important. But let’s explore the post window a little further. You can call the arguments whatever you want of course. So using brackets, you can simply double click after or before a bracket, and it will highlight all the text between the matching brackets. But typically we just declare the variable (var) in the beginning of the program and assign its value where needed. The coffee machine is a [black box] (
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