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Monorepo for Aesthetic.Computer aesthetic.computer
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JavaScript
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104#!/usr/bin/env node// fetch-kit.mjs — pull a matrix / big-beat sampled-INSTRUMENT kit from// Freesound for maytrax. Two kinds of role:// • percussive one-shots (taiko, gong) — played at native pitch as accents// • pitchable instruments (choir "aah", brass hit, strings, bass) — these// are resampled per-note in maytrax.mjs to play the F-minor lines over// the .np / chord data ("sampled insts over MIDI").//// node pop/maytrax/bin/fetch-kit.mjs # fetch all roles// node pop/maytrax/bin/fetch-kit.mjs --list # show 5 candidates per role// node pop/maytrax/bin/fetch-kit.mjs --pick "choir=1,brass=0" # pin picks//// Writes pop/maytrax/kit.json. CC0 / CC-BY only (every track ships to// DistroKid — no copyrighted film/break audio).
import { searchSounds, downloadPreview } from "../../lib/freesound.mjs";import { writeFileSync, existsSync, readFileSync } from "node:fs";import { resolve, dirname } from "node:path";import { fileURLToPath } from "node:url";
const HERE = dirname(fileURLToPath(import.meta.url));const KIT_PATH = resolve(HERE, "..", "kit.json");
// role → query + duration filter + (for pitchable insts) an assumed root// note so the resampler knows the transpose origin. f0 is re-detected at// load time in maytrax.mjs, so `root` is only a fallback.// JUNGLE kit — a chopped breakbeat assembled from CC0 one-shots (no real// amen break — it's a copyrighted recording), deep sub + reese bass, a jazzy// sampled flute lead (the "main voice"), pads, orchestra hits.const ROLES = { // break / drums (played at native pitch) kick: { query: "breakbeat kick drum", filter: "duration:[0.1 TO 1.0]" }, snare: { query: "breakbeat snare", filter: "duration:[0.1 TO 1.2]" }, ghost: { query: "ghost snare drum", filter: "duration:[0.05 TO 0.6]" }, hat: { query: "closed hihat", filter: "duration:[0.02 TO 0.5]" }, ohat: { query: "open hihat", filter: "duration:[0.05 TO 1.0]" }, ride: { query: "jazz ride cymbal", filter: "duration:[0.3 TO 4]" }, shaker: { query: "shaker percussion", filter: "duration:[0.03 TO 1]" }, cowbell: { query: "cowbell", filter: "duration:[0.05 TO 1]" }, tom: { query: "tom drum", filter: "duration:[0.1 TO 1.5]" }, click: { query: "click percussion", filter: "duration:[0.01 TO 0.4]" }, gong: { query: "gong hit", filter: "duration:[1 TO 6]" }, // ambience beds (played raw, long) — rainstorm + jungle for the opener rain: { query: "rain storm ambience", filter: "duration:[5 TO 40]" }, jungle: { query: "jungle birds ambience", filter: "duration:[5 TO 40]" }, cricket: { query: "crickets meadow night", filter: "duration:[5 TO 40]" }, // pitchable instruments (resampled per-note over the F-minor MIDI) sub: { query: "sub bass note sine", filter: "duration:[0.3 TO 3]", root: "C1", pitched: true }, reese: { query: "reese bass dnb", filter: "duration:[0.3 TO 4]", root: "C2", pitched: true }, lead: { query: "flute single note", filter: "duration:[0.5 TO 4]", root: "C4", pitched: true }, pad: { query: "warm synth pad", filter: "duration:[2 TO 8]", root: "C3", pitched: true }, choir: { query: "choir aah voice", filter: "duration:[1 TO 6]", root: "C4", pitched: true }, // John Williams-style cinematic legato string swell (Fm chord pads) strings: { query: "cinematic orchestral strings", filter: "duration:[2 TO 9]", root: "C4", pitched: true }, // animal "horn" — replaces the cheesy orchestra-hit stab. A tonal big-cat // roar pitched to the Fm walk = a jungle creature singing the stabs. animal: { query: "jaguar growl roar", filter: "duration:[1 TO 5]", root: "C3", pitched: true }, wolf: { query: "wolf howling", filter: "duration:[1 TO 8] license:\"Creative Commons 0\"", root: "A3", pitched: true },};
const argv = process.argv.slice(2);const LIST = argv.includes("--list");const pins = {};for (let i = 0; i < argv.length; i++) { if (!argv[i].startsWith("--pick")) continue; const specs = []; if (argv[i].includes("=")) specs.push(...argv[i].replace(/^--pick=?/, "").split(",")); while (argv[i + 1] && !argv[i + 1].startsWith("--")) specs.push(...argv[++i].split(",")); for (const s of specs) { const [r, n] = s.split("="); if (r && n !== undefined) pins[r.trim()] = parseInt(n, 10) || 0; }}
const kit = existsSync(KIT_PATH) ? JSON.parse(readFileSync(KIT_PATH, "utf8")) : {};
for (const [role, spec] of Object.entries(ROLES)) { try { const data = await searchSounds({ query: spec.query, filter: spec.filter, pageSize: 5 }); const results = data.results || []; if (LIST) { console.log(`\n${role} (${spec.query})`); results.forEach((s, i) => console.log(` [${i}] ${s.name} · ${s.duration.toFixed(2)}s · ${s.username} · ${s.license.split("/").slice(-3, -1).join("/")}`)); continue; } const idx = pins[role] ?? 0; const chosen = results[idx] || results[0]; if (!chosen) { console.warn(`! no result for ${role}`); continue; } const mp3 = await downloadPreview(chosen); const wav = mp3.replace(/\.mp3$/, ".wav"); kit[role] = { path: existsSync(wav) ? wav : mp3, id: chosen.id, name: chosen.name, username: chosen.username, license: chosen.license, duration: chosen.duration, pitched: !!spec.pitched, root: spec.root || null, }; console.log(`✓ ${role.padEnd(8)} ${chosen.name} (#${chosen.id} · ${chosen.username})`); } catch (e) { console.error(`✗ ${role}: ${e.message}`); }}
if (!LIST) { writeFileSync(KIT_PATH, JSON.stringify(kit, null, 2) + "\n"); console.log(`\n✓ wrote ${KIT_PATH} (${Object.keys(kit).length} roles)`);}