add initial player and RNBO Patch that runs in parallel to the 9 Audiofiles
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3ee8e7e6eb
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f97d3136fe
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@ -4,7 +4,7 @@
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<meta charset="UTF-8" />
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<link rel="icon" type="image/svg+xml" href="/vite.svg" />
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<meta name="viewport" content="width=device-width, initial-scale=1.0" />
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<title>Vite + TS</title>
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<title>9 x single-band rnbo patches</title>
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</head>
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<body>
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<div id="app"></div>
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@ -0,0 +1,10 @@
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// audio-app/src/audio/context.ts
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let sharedCtx: AudioContext | undefined
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let WAContext = window.AudioContext || window.webkitAudioContext
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export function getAudioContext():AudioContext {
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if (!sharedCtx) {
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sharedCtx = new WAContext()
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}
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return sharedCtx
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}
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@ -12,7 +12,10 @@ export function setupPlayButton(
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button.onclick = () => {
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const startTime = context.currentTime + 0.1 // 100ms in Zukunft
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const rampTime = 2
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// 1️⃣ Master-Gain auf 0 dB hochrampen
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master.gain.setValueAtTime(0.001, startTime)
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master.gain.exponentialRampToValueAtTime(1.0, startTime + rampTime)
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sources.forEach((source, freq) => {
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const gainNode = gains.get(freq)
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if (!gainNode) return
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50
src/main.ts
50
src/main.ts
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@ -3,6 +3,8 @@ import { attachDBValueListener } from './dbValueListener'
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import { fetchOrLoadBuffer, createBufferSource } from './composables/BufferStore'
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import { setupPlayButton } from './composables/Player';
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import { getPreferredDevice } from './lib/microphone';
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import { getAudioContext } from './audio/context'
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import patcherUrl from '../public/patches/controlvalue/LAF-Controll-Values_Simple_Band1000.rnbopat.export.json?url'
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interface DeviceInfo {
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@ -17,15 +19,11 @@ interface DeviceInfo {
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let patcherPromise: Promise<any>
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// create context & master gain
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let WAContext = window.AudioContext || window.webkitAudioContext
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const ctx = new WAContext() // match your assets
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const mobile = /Mobi|Android|iPhone|iPad|iPod/i.test(navigator.userAgent)
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console.log("AudioContext created")
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//
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// Gains to control the audio
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//
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const masterGain = ctx.createGain()
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const bands = mobile ? [150, 1500, 8000] : [63, 125, 250, 500, 1000, 2000, 4000, 8000, 16000]
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const devices = new Map<number, DeviceInfo>()
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@ -56,17 +54,25 @@ async function getPatcher() {
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}
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async function init() {
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// Schritt 0: Mic-Recht
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await initMicrophone()
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// Schritt 1: Kontext
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const ctx = getAudioContext()
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await ctx.suspend()
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// Schritt 2: Fetch Patcher
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await getPatcher()
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// Schritt 3: Erstelle alle Devices
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const newDevices = await Promise.all(
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bands.map(async (freq, index) => {
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const device = await createBandDevice(freq, ctx) as DeviceInfo
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// Schritt 4 Fetch alle AudioBuffer
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await fetchOrLoadBuffer(freq.toString(),
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urlsWebM[index].url,
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ctx
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)
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const sourceNode = await createBufferSource(freq.toString(),ctx)
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const bandGainNode = ctx.createGain()
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// patch them together
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// Schritt 5 Verbinde AudioNodes
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sourceNode.node?.connect(bandGainNode)
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bandGainNode.connect(masterGain)
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//update the source list
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@ -77,12 +83,9 @@ async function init() {
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return {freq, device}
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}
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))
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newDevices.forEach(({freq, device}) => {
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devices.set(freq, device)
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})
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registerDevicesWithListeners(newDevices)
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console.log("RNBO Devices created")
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await initMicrophone()
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devices.forEach((devices, freq)=> {
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try{
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if(devices && devices.device) {
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@ -94,9 +97,36 @@ async function init() {
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})
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console.log("Everything is setup, display a play button")
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setupPlayButton(sources, gains,ctx)
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masterGain.connect(ctx.destination)
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}
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/**
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* Enables the Microphone to use it.
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*/
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function registerDevicesWithListeners(newDevices: { freq: number, device: any }[]) {
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const devices = new Map<number, any>()
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newDevices.forEach(({ freq, device }) => {
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devices.set(freq, device)
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try {
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if (device) {
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attachDBValueListener(device, freq)
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}
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} catch (err) {
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console.warn(`Could not attach RNBO listener for ${freq}Hz`, err)
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}
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})
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console.log("✅ RNBO Devices registered and listeners attached")
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return devices
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}
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/**
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* Enables the Microphone to use it.
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*/
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