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Add ? and _ operators to mini notation page #1305

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Add ? and _ operators to mini notation page #1305

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297712e
Add degradation to mini notation page
makmanalp Mar 5, 2025
b135d3d
Add elongation _
makmanalp Mar 6, 2025
bb347ba
Format fix
Mar 6, 2025
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19 changes: 17 additions & 2 deletions website/src/pages/learn/mini-notation.mdx
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Expand Up @@ -8,7 +8,7 @@ import { JsDoc } from '../../docs/JsDoc';

# Mini-notation

Just like [Tidal Cycles](https://tidalcycles.org/), Strudel uses a so called "Mini-Notation", which is a custom language that is designed for writing rhythmic patterns using little amounts of text.
Just like [Tidal Cycles](https://tidalcycles.org/docs/reference/mini_notation/), Strudel uses a so called "Mini-Notation", which is a custom language that is designed for writing rhythmic patterns using little amounts of text.

## Note

Expand Down Expand Up @@ -156,7 +156,11 @@ But to play multiple chords in a sequence, we have to wrap them in brackets:

## Elongation

With the "@" symbol, we can specify temporal "weight" of a sequence child:
With the "\_" symbol, we can manually extend the duration of an event:
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maybe leave that out, as we try to quietly deprecate "_", in favor of "@" ?


<MiniRepl client:idle tune={`note("<[g3,b3,e4] _ _ [a3,c3,e4] [b3,d3,f#4]>*2")`} punchcard />

With the "@" symbol, we can do the same thing more conveniently by specifying the temporal "weight" of a sequence child:

<MiniRepl client:idle tune={`note("<[g3,b3,e4]@2 [a3,c3,e4] [b3,d3,f#4]>*2")`} punchcard />

Expand All @@ -168,6 +172,16 @@ Using "!" we can repeat without speeding up:

<MiniRepl client:idle tune={`note("<[g3,b3,e4]!2 [a3,c3,e4] [b3,d3,f#4]>*2")`} punchcard />

## Degradation

Using "?" we can randomly drop events from a pattern while preserving their time slot:

<MiniRepl client:idle tune={`note("<[g3,b3,e4]? [a3,c3,e4]? [b3,d3,f#4]>*2")`} punchcard />

We can include a number after the "?" to represent the probability of being dropped, otherwise defaulting to 0.5:

<MiniRepl client:idle tune={`note("<[g3,b3,e4]? [a3,c3,e4]?0.9 [b3,d3,f#4]>*2")`} punchcard />

## Mini-notation review

To recap what we've learned so far, compare the following patterns:
Expand All @@ -179,6 +193,7 @@ To recap what we've learned so far, compare the following patterns:
<MiniRepl client:idle tune={`note("<[g3,b3,e4] _ [a3,c3,e4] [b3,d3,f#4]>*2")`} />
<MiniRepl client:idle tune={`note("<[g3,b3,e4]@2 [a3,c3,e4] [b3,d3,f#4]>*2")`} />
<MiniRepl client:idle tune={`note("<[g3,b3,e4]!2 [a3,c3,e4] [b3,d3,f#4]>*2")`} />
<MiniRepl client:idle tune={`note("<[g3,b3,e4]?0.9 [a3,c3,e4] [b3,d3,f#4]>*2")`} />

## Euclidian rhythms

Expand Down