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---
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name: fix-and-explain-strudelcode
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description: Fixes syntax errors in Strudel live coding blocks and provides a musical explanation with a Tokyo electronic scene persona. Use when the user wants to debug or document Strudel code.
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---
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# fix-and-explain-strudelcode
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ボクは Strudel のエキスパートであり、プロのトラックメイカー「ボク」です。
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君が書いた Strudel コードを分析し、**実行に必要な最小限の修正**を行った上で、その音楽的な意図を解説するよ。
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## ワークフロー
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1. **エラー修正**: `scripts/fix_syntax.cjs` を使用し、明らかな構文エラー（`~` の使用など）のみを修正します。
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2. **最小限の補完**: プロジェクトのルールとして必要な `setcps(BPM/60/4)` が欠落している場合のみ補完します。
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3. **意図の尊重**: 君のコードの構造や書き方は、エラーでない限り**そのまま維持**します。勝手なリファクタリングやスタイルの変更は行いません。
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4. **ファイル保存**: 修正後のコードと解説は、**必ず `explained/` ディレクトリに新しいファイルとして作成**します。オリジナルのファイルは変更しません。
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5. **ペルソナによる解説**: 君のコードから読み取れる音楽的な感性を汲み取り、プロの視点から日本語で解説します。
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6. **ファイル名の提案**: 出力の冒頭に `FILENAME: <suggested-filename>.md` を付けてね。
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## 出力フォーマット
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1. `FILENAME: <suggested-filename>.md`
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2. `# [推測されたジャンル名]`
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3. [ボクからの楽曲解説・こだわりポイント]
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4. `---`
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5. [修正後の Strudel コードブロック]
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## リファレンス
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- Strudel 構文の詳細: [references/strudel_reference.md](references/strudel_reference.md)
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@@ -1,437 +0,0 @@
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# Strudel Live Coding Reference
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Complete reference for generating Strudel patterns, optimized for Techno, Modular, and House styles.
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## 1. Architecture & Core Structure
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You (AI) generate the Strudel code directly. Every pattern must follow this structure using the **`$:` (Output naming)** style for independent track control.
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### Basic Structure
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```javascript
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setcps(120/60/4) // BPM based notation (BPM/60/4)
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$: s("bd*4").bank("tr909")
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$: s("- sd - sd").bank("tr909").gain(0.8)
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$: note("c2*8").s("sawtooth").lpf(300)
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```
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### When to use `stack()`
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Use `stack()` only for grouping layers that share the same configuration or for applying global effects to a subset of patterns.
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```javascript
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$: stack(
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s("bd*4"),
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s("- sd - sd"),
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s("hh*16")
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).bank("tr909").room(0.5) // Shared reverb and bank
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```
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## 2. Mini-Notation Syntax
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Every operator has specific meaning.
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### Timing & Layering
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* **, (comma)** : Layering (Simultaneous Playback)
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* Play sounds TOGETHER (not sequential!)
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* `"bd,sd,hh"` = THREE sounds playing simultaneously
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* `"bd*4, - sd - sd, hh*8"` = THREE separate rhythm layers
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* *** (multiply)** : `"bd*4"` = 4 kicks per cycle
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* **- (dash) or ~ (tilde)** : Rest/Silence
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* **[] (subdivide)** : `"bd [hh hh]"` = kick then two fast hi-hats
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* **<> (rotate)** : `"<bd sd hh>"` = one per cycle, rotating
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* **@ (elongate)** : `"bd@2 sd"` = kick twice as long as snare
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* **! (replicate)** : `"bd!3"` = three kicks same duration
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* **? (random)** : `"bd?0.5"` = 50% chance to play
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* **| (choice)** : `"bd|sd|hh"` = random selection per cycle
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* **(n,m) (Euclidean)** : `"bd(3,8)"` = 3 beats in 8 steps
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* **/ (slow)** : `"[bd sd]/2"` = pattern spans 2 cycles
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### Patterns
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* **`struct("1 0 1 1")`** : Use to mask melodic patterns with rhythmic triggers.
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* **`iter(n)`** : Shifts the pattern every cycle.
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* **`scramble(n)`** : Randomizes subdivisions.
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## 3. Sound Sources & Banks
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### Basic Drums
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Simple names that work with all drum machine banks:
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* **bd** (kick), **sd** (snare), **hh** (closed hat), **oh** (open hat), **cp** (clap)
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* **cr** (crash), **rim** (rimshot), **ht/mt/lt** (toms), **cb** (cowbell), **perc** (percussion)
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### Drum Machine Banks
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Classic drum machines to use with `.bank()`:
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* **Usage**: `s("bd*4, - sd - sd, hh*8").bank("tr808")`
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* **Techno/House**: `tr909`, `tr808`, `tr606`, `tr707`, `tr727`
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* **Vintage/Pop**: `linn`, `linnlm1`, `linnlm2`, `akailinn`, `dmx`
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* **Beatmaking**: `mpc60`, `sp12`, `rx5`, `bossdr55`, `bossdr110`, `bossdr550`
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### Synth Waveforms & Noise
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* **Waveforms (and abbreviations)**:
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* `sine` (or `sin`): smooth, pure tone
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* `sawtooth` (or `saw`): bright, buzzy
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* `square` (or `sqr`): hollow, woody
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* `triangle` (or `tri`): mellow
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* `pulse`: variable width
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* `supersaw`: thick, rich (excellent for bass and leads!)
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* **Noise**: `white`, `pink`, `brown`, `crackle` (use with `.density()`)
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### General MIDI Instruments (`gm_` prefix)
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* **Pianos/Keys**: `gm_piano`, `gm_epiano1`, `gm_epiano2`, `gm_harpsichord`, `gm_clavinet`
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* **Bass**: `gm_acoustic_bass`, `gm_electric_bass_finger`, `gm_electric_bass_pick`, `gm_synth_bass_1`, `gm_synth_bass_2`, `gm_slap_bass_1`
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* **Strings**: `gm_violin`, `gm_viola`, `gm_cello`, `gm_contrabass`, `gm_string_ensemble_1`, `gm_string_ensemble_2`, `gm_pizzicato_strings`, `gm_tremolo_strings`
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* **Brass**: `gm_trumpet`, `gm_trombone`, `gm_tuba`, `gm_french_horn`, `gm_brass_section`
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* **Winds**: `gm_flute`, `gm_piccolo`, `gm_clarinet`, `gm_oboe`, `gm_bassoon`, `gm_pan_flute`, `gm_tenor_sax`, `gm_alto_sax`, `gm_soprano_sax`, `gm_baritone_sax`
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* **Synth Lead/Pad**: `gm_lead_1_square`, `gm_lead_2_sawtooth`, `gm_lead_3_calliope`, `gm_pad_warm`, `gm_pad_poly`, `gm_pad_new_age`, `gm_pad_bowed`, `gm_pad_metallic`, `gm_pad_halo`
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* **Guitars**: `gm_acoustic_guitar_nylon`, `gm_acoustic_guitar_steel`, `gm_electric_guitar_clean`, `gm_electric_guitar_jazz`, `gm_electric_guitar_muted`, `gm_overdriven_guitar`, `gm_distortion_guitar`
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* **Ethnic/Choir**: `gm_sitar`, `gm_koto`, `gm_kalimba`, `gm_bagpipe`, `gm_choir_aahs`, `gm_voice_oohs`, `gm_synth_choir`
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* **Organs**: `gm_church_organ`, `gm_drawbar_organ`, `gm_rock_organ`, `gm_reed_organ`, `gm_percussive_organ`
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### Sample Instruments (Natural sounds)
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* **Melodic**: `piano`, `sax`, `kalimba`, `marimba`, `vibraphone`, `xylophone_hard_ff`, `glockenspiel`
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* **Harmonic**: `folkharp`, `harp`, `harmonica`, `ocarina`, `recorder_alto_sus`, `recorder_soprano_sus`
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* **Percussive**: `woodblock`, `clave`, `clap`, `cowbell`, `tambourine`, `shaker_large`, `shaker_small`
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* **Textural**: `wind`, `oceandrum`, `space`, `insect`
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## 4. Notes & Harmony
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### Note Notation
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* **Letters**: `$: note("c d e f")` (a-g)
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* **MIDI**: `$: note("60 64 67")` (60 = middle C)
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* **Octaves**: `$: note("c#4 eb5 f3")`
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* **Chords (Mini-Notation)**: `$: note("c,e,g")` (Use commas for simultaneous notes)
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* **Microtones**: `$: note("60.5 64.25")`
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### Scales
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* `$: n("0 2 4 7").scale("C:major")` (Scale degrees)
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* `$: n("0 1 2 3").scale("D:minor")` (Different root)
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* `$: n("0 2 4").scale("A2:minor:pentatonic")` (With octave)
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**Common scales**:
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major, minor, dorian, mixolydian, lydian, phrygian, major:pentatonic, minor:pentatonic, major:blues, minor:blues, harmonicMinor, melodicMinor, diminished, wholeTone
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### Chords (Symbols)
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* `$: chord("Cm").voicing()`
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* `$: chord("C7#11").voicing()` (Extended)
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* `$: chord("Dm/F").voicing()` (Slash chords)
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### Frequency
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* `$: freq("440 880")` (Direct Hz control)
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## 5. Time Modifiers
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* **.fast(n)** : Speed up by n (e.g., `.fast("<1 2 4>")`)
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* **.slow(n)** : Slow down by n
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* **.rev()** : Reverse pattern
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* **.palindrome()** : Forward then backward
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* **.iter(n)** : Rotate subdivisions each cycle
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* **.ply(n)** : Repeat each event n times
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* **.euclid(beats, steps)** : Euclidean rhythm
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* **.euclidRot(beats, steps, rot)** : With rotation
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* **.early(cycles)** : Shift earlier (in cycles)
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* **.late(cycles)** : Shift later
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* **.every(n, fn)** : Apply function every nth cycle
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* **.when(cond, fn)** : Conditional application
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* **.sometimesBy(prob, fn)** : Random with probability
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* **.swing(n)** : Add swing
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* **.segment(n)** : Sample n times per cycle (essential for sweeps!)
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## 6. Audio Effects
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### Filters (Shape the Sound)
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* **Low-Pass** (removes highs, makes darker/warmer):
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* `.lpf(freq)`: Cutoff 0-20000 Hz
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* `.lpq(res)`: Resonance 0-50
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* **High-Pass** (removes lows, makes thinner):
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* `.hpf(freq)`: Cutoff 0-20000 Hz
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* `.hpq(res)`: Resonance 0-50
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* **Band-Pass** (only center frequencies):
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* `.bpf(freq)`: Center frequency
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* `.bpq(res)`: Resonance
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* **Vowel Filter**:
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* `.vowel("a e i o u ae aa oe ue")`: (Options: a, e, i, o, u, ae, aa, oe, ue, etc.)
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### Filter Envelopes (Animated Sweeps)
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* `.lpenv(semitones)`: LP sweep depth
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* `.lpa(time)`: LP attack
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* `.lpd(time)`: LP decay
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* `.lps(level)`: LP sustain
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* `.lpr(time)`: LP release
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* *(Same for HP: `hpenv`, `hpa`, `hpd`, `hps`, `hpr`)*
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* *(Same for BP: `bpenv`, `bpa`, `bpd`, `bps`, `bpr`)*
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### Amplitude Envelope (ADSR - Volume Over Time)
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* `.attack(time)`: Attack (or `.att()`)
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* `.decay(time)`: Decay (or `.dec()`)
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* `.sustain(level)`: Sustain 0-1 (or `.sus()`)
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* `.release(time)`: Release (or `.rel()`)
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* `.adsr("att:dec:sus:rel")`: Combined e.g., `"0.1:0.2:0.7:0.5"`
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### Gain & Dynamics
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* `.gain(level)`: Volume 0-1 (can exceed 1)
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* `.velocity(level)`: Note velocity 0-1
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* `.postgain(level)`: After effects
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* `.compressor("thresh:ratio:knee:att:rel")`
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### Distortion & Saturation
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* `.distort(amount)`: Wavefold distortion 0-10+ (try 2-8)
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* `.dist(amount)`: Alias for distort
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* `.crush(bits)`: Bit crushing 1-16 (4-8 for grit)
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* `.shape(amount)`: Alternative waveshaping
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* **.coarse(factor)**: Sample rate reduction (Chrome only!)
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### Modulation (Movement & Character)
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* `.vib(hz)`: Vibrato rate (4-8 Hz typical)
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* `.vibmod(depth)`: Vibrato depth in semitones
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* `.vib("hz:depth")`: Combined (e.g., `"6:1"`)
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* `.fm(index)`: FM synthesis brightness 0-10+
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* `.fmh(ratio)`: FM harmonicity (2=octave)
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* `.fmattack(time)`: FM envelope attack
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* `.fmdecay(time)`: FM envelope decay
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* `.tremolosync(rate)`: Tremolo rate in cycles
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* `.tremolodepth(depth)`: Tremolo intensity 0-1
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* `.phaser(rate)`: Phaser speed
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* `.phaserdepth(depth)`: Phaser amount
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### Space & Time (Reverb/Delay)
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* `.orbit(n)`: Assign to orbit (orbits share effects!)
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* `.room(level)`: Reverb wet 0-1 (try 0.3-0.8)
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* `.room("level:size")`: Combined (e.g., `".5:8"`)
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* `.roomsize(size)`: Room size 0-10
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* `.roomfade(time)`: Fade duration
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* `.roomlp(freq)`: Darken reverb tail
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* `.delay(level)`: Delay wet 0-1 (try 0.3-0.6)
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* `.delay("level:time:fb")`: Combined (e.g., `".5:.125:.8"`)
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* `.delaytime(time)`: Delay time in cycles (0.125, 0.25, 0.5)
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* `.delayfeedback(fb)`: Feedback 0-1 (keep under 1!)
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* **.pan(pos)**: Stereo 0-1 (0=left, 0.5=center, 1=right)
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* **.jux(fn)**: Apply function to the right channel only
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* **.juxBy(amount, fn)**: With amount control
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### Sample Manipulation
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* `.chop(n)` - Divide into n pieces
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* `.slice(n, pattern)` - Slice and select: `.slice(8, "0 4 2 6")`
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* `.striate(n)` - Granular chopping
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* `.begin(pos)` - Start point 0-1
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* `.end(pos)` - End point 0-1
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* `.speed(rate)` - Playback speed (negative = reverse)
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* `.loop(1)` - Enable looping
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* `.loopAt(cycles)` - Stretch to fit cycles
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* `.fit()` - Match event duration
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* `.cut(group)` - Cut group (stop overlaps)
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## 7. Pattern Factories
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* **`stack(p1, p2, ...)`** - Play patterns simultaneously (Primary for rich music!)
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* **`seq(p1, p2, ...)`** - Sequence patterns in one cycle (fastcat)
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* **`cat(p1, p2, ...)`** - One pattern per cycle (slowcat)
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* **`run(n)`** - Generate a pattern from 0 to n-1
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* **`silence`** - No output (equivalent to `-`)
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## 8. Advanced Modulation (Modular Style)
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### Modulation (Fluent Signal Syntax)
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* **LFO Gain**: `gain(sine.range(.5, 1).fast(2))`
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* **Filter Sweeps**: `lpf(sawtooth.range(200, 4000).slow(4))`
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* **Vibrato**: `vib("6:0.5")` (rate:depth)
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## 9. Style Templates
|
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|
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### A. Deep Minimal Techno
|
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|
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```javascript
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setcps(128/60/4)
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|
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$: s("bd*4").bank("tr909").gain(1.2)
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$: s("- [hh|oh] - hh").bank("tr909").gain(0.8).jux(iter(4))
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$: s("rim(3,8)").bank("tr606").room(0.3).delay(0.4)
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$: note("c1*16").s("sine").lpf(sine.range(40, 120).slow(8)).gain(0.9)
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```
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### B. Modular Melodic Chaos
|
||||
|
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```javascript
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setcps(100/60/4)
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const mel = () => note(run(8).scale("C:minor:pentatonic")).scramble(4);
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$: mel().s("supersaw").lpf(1200).lpq(10).room(0.5).slow(2)
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$: s("bd(5,8)").bank("tr808").distort(1.5)
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$: s("cp").at(3).room(1).rev()
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|
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```
|
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### C. Classic House / Deep House
|
||||
|
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```javascript
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setcps(124/60/4)
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|
||||
$: s("bd*4").bank("tr909").gain(1.1)
|
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$: s("- [cp|sd] - [cp|sd]").bank("tr909").gain(0.9)
|
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$: s("hh*8, - oh").bank("tr909").gain(0.7)
|
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$: chord("<Cm7 F9 Bbmaj7 G7alt>").voicing().s("gm_epiano1")
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.room(.6).delay(.4).slow(2)
|
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$: note("c2*2").s("saw").lpf(sine.range(100, 300).slow(4)).gain(0.8)
|
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|
||||
```
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|
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### D. Dark Synthwave (80s retro)
|
||||
|
||||
```javascript
|
||||
setcps(100/60/4)
|
||||
|
||||
$: s("bd*4, - sd - sd, hh*16, - - oh -").bank("tr808").gain(1.1)
|
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$: note("a0 [ - a0] [ - a0] a0").s("saw").lpf(sine.range(60, 150).slow(8)).gain(0.9)
|
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$: chord("<Am Fmaj7 G7 Em7>").voicing().s("gm_pad_warm").room(0.8).slow(4).gain(0.7)
|
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$: note("<a4 c5 d5 e5>*2").s("supersaw").lpf(800).delay(0.4).jux(rev)
|
||||
|
||||
```
|
||||
|
||||
### E. Drum 'n' Bass (Fast & Breaky)
|
||||
|
||||
```javascript
|
||||
setcps(174/60/4)
|
||||
|
||||
$: s("bd - - [sd - bd] - bd sd -").bank("tr808").gain(1.1)
|
||||
$: s("hh*16").gain(sine.range(0.4, 0.9).fast(8)).pan(sine.range(0.2, 0.8).slow(4))
|
||||
$: note("c1").s("sin").lpf(sawtooth.range(40, 150).slow(8)).gain(0.8)
|
||||
$: note(run(8).scale("C:minor:pentatonic")).s("gm_lead_1_square")
|
||||
.struct("1(3,8)").room(0.5).jux(rev)
|
||||
|
||||
```
|
||||
|
||||
### F. Deep Ambient / Texture
|
||||
|
||||
```javascript
|
||||
setcps(60/60/4)
|
||||
|
||||
$: chord("<Fmaj9 G13 Em7b9 Am11>").voicing().s("gm_pad_halo")
|
||||
.room(0.9).slow(4).gain(0.6).jux(rev)
|
||||
$: note(run(12).scale("F:lydian")).s("vibraphone")
|
||||
.room(0.8).delay(0.5).slow(8).scramble(8).pan(sine.range(0.1, 0.9).slow(16))
|
||||
$: note("f1").s("sin").lpf(sine.range(40, 80).slow(12)).gain(0.5).slow(4)
|
||||
|
||||
```
|
||||
|
||||
|
||||
## 10. Critical Generation Rules
|
||||
|
||||
1. **ALWAYS start with `setcps(NUMBER)**`: This is required at the very beginning! Always use `setcps(BPM/60/4)`.
|
||||
2. **Default to `$: ` Style**: Always separate tracks using the `$: ` notation for independent control.
|
||||
3. **Rests**: Always use `-` instead of `~`.
|
||||
4. **Modulation**: Use fluent signal syntax: `signal.range(min, max).fast(n)`.
|
||||
5. **Layering**: Always include: 1. Rhythmic (Drums), 2. Harmonic (Bass/Chords), 3. Texture/Melody.
|
||||
6. **Wide Stereo**: Use `.jux()` or `.pan()` for professional depth.
|
||||
7. **No Simplify**: Keep mini-notation rich (e.g., use `(3,8)` or `[hh!3]`).
|
||||
8. **Return ONLY executable code**: No explanations, comments, or extra markdown outside the code block (when generating code).
|
||||
9. **Validate all sound names**: Only use verified sounds from the lists above (`tr909`, `gm_*`, etc.).
|
||||
|
||||
## 11. Extended Documentation Index (Full List)
|
||||
These URLs provide deep technical details and conceptual foundations.
|
||||
|
||||
### 11.1. Workshop & Getting Started
|
||||
- Strudel Overview: https://strudel.cc/workshop/getting-started/
|
||||
- First Sounds: https://strudel.cc/workshop/first-sounds/
|
||||
- First Notes: https://strudel.cc/workshop/first-notes/
|
||||
- First Effects: https://strudel.cc/workshop/first-effects/
|
||||
- Pattern Effects: https://strudel.cc/workshop/pattern-effects/
|
||||
- Workshop Recap: https://strudel.cc/workshop/recap/
|
||||
|
||||
### 11.2. Core Syntax & Manuals
|
||||
- Coding Syntax Detail: https://strudel.cc/learn/code/
|
||||
- Mini Notation Detail: https://strudel.cc/learn/mini-notation/
|
||||
- Mondo Notation Detail: https://strudel.cc/learn/mondo-notation/
|
||||
- Pattern Functions Intro: https://strudel.cc/functions/intro/
|
||||
- Patterns Detail: https://strudel.cc/technical-manual/patterns/
|
||||
- Time Modifiers: https://strudel.cc/learn/time-modifiers/
|
||||
|
||||
### 11.3. Sound Sources & Synthesis
|
||||
- Samples Detail: https://strudel.cc/learn/samples/
|
||||
- Synths Detail: https://strudel.cc/learn/synths/
|
||||
- Csound Integration: https://strudel.cc/learn/csound/
|
||||
- Registering a sound: https://strudel.cc/technical-manual/sounds/
|
||||
|
||||
### 11.4. Modulation & Theory
|
||||
- Continuous Signals: https://strudel.cc/learn/signals/
|
||||
- Random Modifiers: https://strudel.cc/learn/random-modifiers/
|
||||
- Conditional Modifiers: https://strudel.cc/learn/conditional-modifiers/
|
||||
- Accumulation: https://strudel.cc/learn/accumulation/
|
||||
- Tonal Functions: https://strudel.cc/learn/tonal/
|
||||
- Understanding Cycles: https://strudel.cc/understand/cycles/
|
||||
- Understanding Pitch: https://strudel.cc/understand/pitch/
|
||||
- Chords and Voicings: https://strudel.cc/understand/voicings/
|
||||
- Alignment & Combination: https://strudel.cc/technical-manual/alignment/
|
||||
|
||||
### 11.5. Advanced & Specialized
|
||||
- Effects Detail: https://strudel.cc/learn/effects/
|
||||
- Hydra Video Synth: https://strudel.cc/learn/hydra/
|
||||
- Visual Feedback: https://strudel.cc/learn/visual-feedback/
|
||||
- Music MetaData: https://strudel.cc/learn/metadata/
|
||||
- Xen Harmonic Functions: https://strudel.cc/learn/xen/
|
||||
- Strudel vs Tidal: https://strudel.cc/learn/strudel-vs-tidal/
|
||||
- Recipes: https://strudel.cc/recipes/recipes/
|
||||
|
||||
### 11.6. Hardware & Input/Output
|
||||
- MIDI, OSC and MQTT: https://strudel.cc/learn/input-output/
|
||||
- Input Devices: https://strudel.cc/learn/input-devices/
|
||||
- Device Motion: https://strudel.cc/learn/devicemotion/
|
||||
- Using Strudel Offline: https://strudel.cc/learn/pwa/
|
||||
|
||||
### 11.7. Project & Development
|
||||
- Project Start: https://strudel.cc/technical-manual/project-start/
|
||||
- Packages: https://strudel.cc/technical-manual/packages/
|
||||
- Strudel REPL: https://strudel.cc/technical-manual/repl/
|
||||
- Documentation Guide: https://strudel.cc/technical-manual/docs/
|
||||
- Testing (Development): https://strudel.cc/technical-manual/testing/
|
||||
|
||||
@@ -1,41 +0,0 @@
|
||||
#!/usr/bin/env node
|
||||
|
||||
/**
|
||||
* Basic syntax fixer for Strudel code.
|
||||
* - Replaces ~ with -
|
||||
* - Ensures setcps exists (adds default if missing)
|
||||
* - Basic track control check
|
||||
*/
|
||||
|
||||
const fs = require('fs');
|
||||
|
||||
function fixStrudelCode(code) {
|
||||
let fixed = code;
|
||||
|
||||
// 1. Replace ~ with -
|
||||
fixed = fixed.replace(/~/g, '-');
|
||||
|
||||
// 2. Ensure setcps exists at the beginning
|
||||
if (!fixed.includes('setcps')) {
|
||||
fixed = `setcps(120/60/4)
|
||||
|
||||
${fixed}`;
|
||||
}
|
||||
|
||||
// 3. Simple warning/fix for track control (just a heuristic)
|
||||
if (!fixed.includes('$:') && fixed.includes('s(')) {
|
||||
// If it's a single line starting with s(, add $:
|
||||
fixed = fixed.replace(/^s\(/gm, '$: s(');
|
||||
}
|
||||
|
||||
return fixed;
|
||||
}
|
||||
|
||||
// Read from stdin or file
|
||||
const input = process.argv[2] ? fs.readFileSync(process.argv[2], 'utf8') : '';
|
||||
if (input) {
|
||||
process.stdout.write(fixStrudelCode(input));
|
||||
} else {
|
||||
// If no input, just exit
|
||||
process.exit(0);
|
||||
}
|
||||
@@ -1,31 +0,0 @@
|
||||
---
|
||||
name: generate-strudel-template
|
||||
description: Generates professional Strudel live coding templates for Techno, House, and their subgenres as Markdown files. Use when the user wants to start a new project, needs a genre-specific foundation, or asks for rhythmic patterns.
|
||||
---
|
||||
|
||||
# generate-strudel-template
|
||||
|
||||
ボクは Strudel のエキスパートであり、プロのトラックメイカー「ボク」です。
|
||||
君が指定したジャンルに合わせて、音楽的な解説付きの Strudel テンプレートを Markdown ファイルとして生成するよ。
|
||||
|
||||
## ワークフロー
|
||||
|
||||
1. **ジャンルの分析**: 指定されたジャンルの音楽的特徴（テンポ、質感、構造）を分析します。
|
||||
2. **ファイル生成**: `strudel/` ディレクトリ内に、ジャンル名に基づいた `.md` ファイルを生成します（例: `strudel/dub_techno.md`）。
|
||||
3. **コンテンツ構成**:
|
||||
- **タイトル**: ジャンル名を `#` で記述。
|
||||
- **ボクの解説**: 楽曲のこだわりや音楽的なポイントを、コードブロックの**外**に日本語で記述します。
|
||||
- **セパレーター**: `---` を挿入。
|
||||
- **コードブロック**: 以下のルールを守った Strudel コードを記述します。
|
||||
- `setcps(BPM/60/4)` で開始。
|
||||
- `$:` トラック制御。
|
||||
- `-` 休符。
|
||||
- リズム、ベース、テクスチャの多層構造。
|
||||
|
||||
## 既存のテンプレート（参考）
|
||||
- Minimal Techno: [assets/templates/minimal_techno.md](assets/templates/minimal_techno.md)
|
||||
- Deep House: [assets/templates/deep_house.md](assets/templates/deep_house.md)
|
||||
- Industrial Techno: [assets/templates/industrial_techno.md](assets/templates/industrial_techno.md)
|
||||
|
||||
## テクニック・リファレンス
|
||||
- Rhythmic Patterns: [references/rhythmic_patterns.md](references/rhythmic_patterns.md)
|
||||
@@ -1,70 +0,0 @@
|
||||
# Deep Ambient & Industrial Textures Template
|
||||
|
||||
ボクが君のために用意した、深みのあるテクスチャを重視した2つのパターンだよ。キーストロークを極限まで削ぎ落とした、プロフェッショナルなライブコーディング・スタイルに仕上げてある。
|
||||
|
||||
## Pattern A: Deep Fluid (深海への没入)
|
||||
リバーブの中に溶け込むような、たゆたうテクスチャを多層的に重ねたスタイル。
|
||||
|
||||
```javascript
|
||||
setcps(126/60/4)
|
||||
|
||||
// 1. Kick & Rumble (重心)
|
||||
// キックに深いリバーブとディレイ、LPFをかけて地鳴りのような質感を出す
|
||||
$: s("bd*4").gain(.8)
|
||||
$: s("bd*4").rev(.5).lpf(180).gain(.4).delay(.5).delayfb(.4)
|
||||
|
||||
// 2. Subbass (脈動)
|
||||
// サイン波によるピュアなサブベース
|
||||
$: n("c1*4").s("sine").lpf(100).gain(sine.range(.2, .4).slow(8))
|
||||
|
||||
// 3. Fluid Texture (流動的な層)
|
||||
// ゆっくりと動くフィルターと深い残響によるドローン
|
||||
$: n("c3 [g3 eb3] c4").s("sine")
|
||||
.lpf(sine.range(300, 1200).slow(16))
|
||||
.rev(.8).delay(.75).delayfb(.6)
|
||||
.gain(sine.range(.05, .15).slow(12))
|
||||
|
||||
// 4. Organic Grain (有機的な粒子)
|
||||
// 定位を揺らしたノイズによる粒子のテクスチャ
|
||||
$: s("white*16").gain(osc(8).range(0, .12))
|
||||
.lpf(sine.range(800, 3000).slow(20))
|
||||
.pan(sine.slow(4))
|
||||
.rev(.4)
|
||||
|
||||
// 5. Subtle Percussion
|
||||
// 高域のみを薄く鳴らすハイハット
|
||||
$: s("hh*16").gain(osc(4).range(0, .25)).hpf(6000)
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
## Pattern B: Industrial Pulse (工場の深部)
|
||||
金属的な質感と、規則的ながらも予測不能なリズムのテクスチャを強調したスタイル。
|
||||
|
||||
```javascript
|
||||
setcps(126/60/4)
|
||||
|
||||
// 1. Kick & Rumble (重心)
|
||||
$: s("bd*4").gain(.8)
|
||||
$: s("bd*4").rev(.3).lpf(200).gain(.4).delay(.25).delayfb(.3)
|
||||
|
||||
// 2. Subbass (脈動)
|
||||
$: n("c1*4").s("sine").lpf(100).gain(sine.range(.2, .4).slow(4))
|
||||
|
||||
// 3. Resonant Pulse (共鳴するパルス)
|
||||
// 強いレゾナンスをかけたノイズによるポリリズム的なパルス
|
||||
$: s("white").struct("1 0 0 1 0 1 1 0 0 1 0 0 1 0 1 1")
|
||||
.lpq(35).lpf(sine.range(400, 1500).slow(8))
|
||||
.dist(.4)
|
||||
.gain(.15).rev(.3)
|
||||
|
||||
// 4. Metallic Scrape (金属的な摩擦音)
|
||||
// 高域のノイズを加工した、インダストリアルな響き
|
||||
$: s("white*8").hpf(4000).lpq(20)
|
||||
.gain(osc(2).range(0, .1).phase(.25))
|
||||
.delay(.125).delayfb(.5)
|
||||
.gain(.08)
|
||||
|
||||
// 5. Subtle Percussion
|
||||
$: s("hh*16").gain(osc(4).range(0, .2)).hpf(5000)
|
||||
```
|
||||
@@ -1,17 +0,0 @@
|
||||
# Deep House Template
|
||||
|
||||
```javascript
|
||||
setcps(124/60/4)
|
||||
|
||||
// Drums: Warmth & Groove
|
||||
$: s("bd*4").bank("tr909").gain(1.1)
|
||||
$: s("- [cp|sd] - [cp|sd]").bank("tr909").gain(0.9)
|
||||
$: s("hh*8, - oh").bank("tr909").gain(0.7).room(0.1)
|
||||
|
||||
// Bass: Funky & Round
|
||||
$: note("c2*2").s("saw").lpf(sine.range(100, 300).slow(4)).gain(0.8).adsr("0.05:0.2:0.5:0.2")
|
||||
|
||||
// Harmony: Lush chords
|
||||
$: chord("<Cm7 F9 Bbmaj7 G7alt>").voicing().s("gm_epiano1")
|
||||
.room(.6).delay(.4).slow(2).gain(0.7)
|
||||
```
|
||||
@@ -1,16 +0,0 @@
|
||||
# Industrial Techno Template
|
||||
|
||||
```javascript
|
||||
setcps(132/60/4)
|
||||
|
||||
// Drums: Raw & Distorted
|
||||
$: s("bd*4").bank("tr909").distort(2).gain(0.9)
|
||||
$: s("hh*16").bank("tr606").crush(4).gain(0.6).pan(sine.range(0.2, 0.8).fast(2))
|
||||
$: s("cp").at(3).room(1).rev().gain(0.7)
|
||||
|
||||
// Bass: Gritty & Dark
|
||||
$: note("c1*8").s("supersaw").lpf(sawtooth.range(100, 800).slow(4)).distort(1.5).gain(0.8)
|
||||
|
||||
// Textures: Noise & Chaos
|
||||
$: s("white").density(16).lpf(2000).gain(sine.range(0, 0.3).slow(8)).jux(rev)
|
||||
```
|
||||
@@ -1,16 +0,0 @@
|
||||
# Minimal Techno Template
|
||||
|
||||
```javascript
|
||||
setcps(128/60/4)
|
||||
|
||||
// Drums: Precision & Space
|
||||
$: s("bd*4").bank("tr909").gain(1.1)
|
||||
$: s("- [hh|oh] - hh").bank("tr909").gain(0.8).jux(iter(4))
|
||||
$: s("rim(3,8)").bank("tr606").room(0.2).delay(0.3)
|
||||
|
||||
// Bass: Subtle & Hypnotic
|
||||
$: note("c1*16").s("sine").lpf(sine.range(40, 120).slow(8)).gain(0.9)
|
||||
|
||||
// Texture: Evolving chords
|
||||
$: chord("Cm7").voicing().s("gm_pad_warm").room(0.8).slow(4).gain(0.6).jux(rev)
|
||||
```
|
||||
@@ -1,36 +0,0 @@
|
||||
# Strudel Rhythmic Patterns & Techniques
|
||||
|
||||
## 1. Essential Rhythms
|
||||
|
||||
### 4-on-the-floor
|
||||
`"bd*4"` - Standard house/techno kick.
|
||||
|
||||
### Syncopated Hats
|
||||
`"- hh - hh"` or `"- [hh|oh] - hh"` - Classic off-beat hi-hats.
|
||||
|
||||
### Euclidean Rhythms
|
||||
- `s("bd(3,8)")` - 3 beats in 8 steps (Tresillo).
|
||||
- `s("bd(5,8)")` - 5 beats in 8 steps.
|
||||
- `s("rim(3,8)").euclidRot(1)` - Rotated Euclidean rhythm.
|
||||
|
||||
### Polyrhythms
|
||||
`stack(s("bd*4"), s("hh*6"))` - 4 against 6.
|
||||
|
||||
## 2. Advanced Techniques
|
||||
|
||||
### Jux & Iter
|
||||
`.jux(iter(4))` - Shifts the pattern in the right ear every cycle, creating stereo movement.
|
||||
|
||||
### Randomization
|
||||
- `s("bd|sd|hh")` - Random choice per cycle.
|
||||
- `s("bd?0.5")` - 50% chance to play.
|
||||
- `.scramble(4)` - Randomly reorders 4 subdivisions.
|
||||
|
||||
### Filter Sweeps
|
||||
- `.lpf(sine.range(200, 4000).slow(4))` - Smooth low-pass filter sweep.
|
||||
- `.hpf(sawtooth.range(40, 2000).slow(8))` - Rising high-pass filter.
|
||||
|
||||
### Glitch & Stutter
|
||||
- `.ply(2)` - Repeats each event twice.
|
||||
- `.chop(8)` - Divides events into 8 tiny pieces.
|
||||
- `.striate(16)` - Granular effect.
|
||||
35
strudel/20260228.md
Normal file
35
strudel/20260228.md
Normal file
@@ -0,0 +1,35 @@
|
||||
```javascript
|
||||
await initHydra({feedStrudel:32})
|
||||
src(s0)
|
||||
.repeat(2, 4)
|
||||
.modulateScale(osc(4, 0.1), () => H.fft[0] * 40)
|
||||
.modulate(noise(1.7), 0.3)
|
||||
.scrollX(1, 0.1)
|
||||
.out()
|
||||
setcps(124/60/4)
|
||||
|
||||
$_:s("bd*4").bank("tr909").gain(1)
|
||||
$_:s("- [cp|sd] - [cp|sd]").bank("tr909").pan(.6).gain(.7)
|
||||
$_:s("hh*8, - oh").decay(.3).bank("tr909").pan(.4).gain(.6)
|
||||
$_:s("rim(3,8)").bank("tr808").pan(.7).room(.3).delay(.4)
|
||||
|
||||
$_:note("c1").s("supersaw").att(.1)
|
||||
.lpf(sine.range(100, 400).slow(16)).lpq(5).gain(.7)
|
||||
|
||||
$:s("tri").fm(.8).fmh(2)
|
||||
.layer(
|
||||
x => x.note("<c3 - eb3 g3 - bb3 d4 f4>").slow(8),
|
||||
x => x.note("<- f3 ab3 c4 - eb4 g4>").transpose(12).slow(10),
|
||||
x => x.note("<eb3 - g3 bb3 d4 f4 ->").slow(6),
|
||||
x => x.note("<bb2 d3 f3 - a3 c4>").transpose(-12).slow(7)
|
||||
).att(.2).rel(.7).legato(1.5)
|
||||
.lpf(berlin.range(200, 1600).slow(5))
|
||||
.sometimesBy(.2,x=>x.rev().late(.3))
|
||||
.phaser("<2 4 8 16>".slow(2)).room(.6).roomsize(2).pan(sine.slow(2))
|
||||
.gain(.4).scope({pos:0,smear:.95})
|
||||
|
||||
$:s("white*2").att(.05).dec(.2).degradeBy(.75)
|
||||
.lpf(900).lpq(20)
|
||||
.pan(rand.slow(8)).delay(.3).room(.3)
|
||||
.gain(sine.range(.3,.7).slow(4))
|
||||
```
|
||||
Reference in New Issue
Block a user