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How to use audioParamSetValueCurve method in wpt

Best JavaScript code snippet using wpt

param.ts

Source:param.ts

1import { useEffect } from 'react'2export type AudioParamSetValue = [type: 'setValue', value: number, startTime: number];3export type AudioParamLinearRamp = [type: 'linearRamp', value: number, endTime: number];4export type AudioParamExponentialRamp = [type: 'exponentialRamp', value: number, endTime: number];5export type AudioParamSetTarget = [type: 'setTarget', target: number, startTime: number, timeConstant: number];6export type AudioParamSetValueCurve = [type: 'setValueCurve', values: number[] | Float32Array, startTime: number, duration: number];7export type AudioParamT = AudioParamSetValue | AudioParamLinearRamp | AudioParamExponentialRamp | AudioParamSetTarget | AudioParamSetValueCurve;8export type AudioParamSequence = AudioParamT[];9export function scheduleValues(param: AudioParam, sequence: AudioParamSequence): void {10	for (const command of sequence) {11		switch (command[0]) {12			case 'setValue':13				param.setValueAtTime(command[1], command[2]);14				break;15			case 'linearRamp':16				param.linearRampToValueAtTime(command[1], command[2]);17				break;18			case 'exponentialRamp':19				param.exponentialRampToValueAtTime(command[1], command[2]);20				break;21			case 'setTarget':22				param.setTargetAtTime(command[1], command[2], command[3]);23				break;24			case 'setValueCurve':25				param.setValueCurveAtTime(command[1], command[2], command[3]);26				break;27			default:28		}29	}30}31export default function useParam(param: AudioParam | undefined, value: number, sequence?: AudioParamSequence): void {32	useEffect(() => {33		if (!param) return;34		param.value = value;35		if (sequence) {36			scheduleValues(param, sequence);37		}38		return () => {39			param.cancelScheduledValues(0);40		}41	}, [param, value, sequence])...

audio-param.js

Source:audio-param.js

...22}23// AudioParam setValueCurve value at time t for a setValueCurve starting at time24// t0 with curve, curve, and duration duration.  The sample rate is sampleRate.25// It is assumed that t0 <= t.26function audioParamSetValueCurve(t, curve, t0, duration) {27  if (t > t0 + duration)28    return curve[curve.length - 1];29  let curvePointsPerSecond = (curve.length - 1) / duration;30  let virtualIndex = (t - t0) * curvePointsPerSecond;31  let index = Math.floor(virtualIndex);32  let delta = virtualIndex - index;33  let c0 = curve[index];34  let c1 = curve[Math.min(index + 1, curve.length - 1)];35  return c0 + (c1 - c0) * delta;...

Using AI Code Generation

1function testLinearRampToValueAtTime(audioParam, value, endTime) {2    audioParam.linearRampToValueAtTime(value, endTime);3}4function testExponentialRampToValueAtTime(audioParam, value, endTime) {5    audioParam.exponentialRampToValueAtTime(value, endTime);6}7function testSetTargetAtTime(audioParam, target, startTime, timeConstant) {8    audioParam.setTargetAtTime(target, startTime, timeConstant);9}10function testSetValueAtTime(audioParam, value, startTime) {11    audioParam.setValueAtTime(value, startTime);12}

Using AI Code Generation

1var audioCtx = new AudioContext();2var osc = audioCtx.createOscillator();3var gain = audioCtx.createGain();4osc.connect(gain);5gain.connect(audioCtx.destination);6osc.start();7var values = new Float32Array(3);8values[0] = 0;9values[1] = 1;10values[2] = 0;11gain.gain.setValueCurveAtTime(values, audioCtx.currentTime, 2);12gain.gain.cancelAndHoldAtTime(audioCtx.currentTime);13gain.gain.setValueAtTime(0.5, audioCtx.currentTime + 2);14gain.gain.linearRampToValueAtTime(1, audioCtx.currentTime + 4);15gain.gain.setValueAtTime(0.5, audioCtx.currentTime + 6);16gain.gain.linearRampToValueAtTime(1, audioCtx.currentTime + 8);17gain.gain.cancelScheduledValues(audioCtx.currentTime + 7);18gain.gain.setTargetAtTime(0.5, audioCtx.currentTime + 10, 0.25);19var values = new Float32Array(3);20values[0] = 0;21values[1] = 1;22values[2] = 0;23gain.gain.setValueCurveAtTime(values, audioCtx.currentTime + 12, 2);24gain.gain.setTargetAtTime(0.5, audioCtx.currentTime + 16, 0.25);25gain.gain.cancelAndHoldAtTime(audioCtx.currentTime + 18);26gain.gain.setValueAtTime(0.5, audioCtx.currentTime + 20);27gain.gain.linearRampToValueAtTime(1, audioCtx.currentTime + 22);28gain.gain.setValueAtTime(0.5, audioCtx.currentTime + 24);29gain.gain.linearRampToValueAtTime(1, audioCtx.currentTime + 26);30gain.gain.cancelScheduledValues(audioCtx.currentTime + 25);

Using AI Code Generation

1var context = new AudioContext();2var osc = context.createOscillator();3var gain = context.createGain();4osc.connect(gain);5gain.connect(context.destination);6osc.start();7var curve = new Float32Array(100);8for (var i = 0; i < curve.length; ++i)9    curve[i] = i / curve.length;10var now = context.currentTime;11gain.gain.setValueCurveAtTime(curve, now, 1);12gain.gain.setValueCurveAtTime(curve, now + 1, 1);13gain.gain.setValueCurveAtTime(curve, now + 2, 1);14gain.gain.cancelScheduledValues(now + 1.5);15gain.gain.setValueCurveAtTime(curve, now + 1.5, 1);16osc.stop(now + 3);

Using AI Code Generation

1var context = new AudioContext();2var gain = context.createGain();3var curve = new Float32Array([0, 0.5, 1, 0.5, 0]);4gain.gain.setValueCurveAtTime(curve, 0, 5);5gain.connect(context.destination);6var context = new AudioContext();7var gain = context.createGain();8gain.gain.setTargetAtTime(0.1, 0, 0.1);9gain.connect(context.destination);10var context = new AudioContext();11var gain = context.createGain();12gain.gain.setValueAtTime(0.1, 0);13gain.connect(context.destination);14var context = new AudioContext();15var gain = context.createGain();16gain.gain.setValueAtTime(0.1, 0);17gain.gain.linearRampToValueAtTime(0.5, 1);18gain.gain.cancelScheduledValues(0.5);19gain.connect(context.destination);20var context = new AudioContext();21var gain = context.createGain();22gain.gain.setValueAtTime(0.1, 0);23gain.gain.linearRampToValueAtTime(0.5, 1);24gain.connect(context.destination);25var context = new AudioContext();26var gain = context.createGain();27gain.gain.setValueAtTime(0.1, 0);28gain.gain.exponentialRampToValueAtTime(0.5, 1);29gain.connect(context.destination);30var context = new AudioContext();31var gain = context.createGain();32gain.gain.setTargetAtTime(0.1, 0, 0.1);33gain.connect(context.destination);34var context = new AudioContext();35var gain = context.createGain();36var curve = new Float32Array([0, 0.5, 1, 0.5, 0]);37gain.gain.setValueCurveAtTime(curve, 0,

Using AI Code Generation

1var context = new AudioContext();2var gainNode = context.createGain();3gainNode.connect(context.destination);4gainNode.gain.setValueCurveAtTime([1, 0, 0, 0, 0, 0, 0, 0, 0, 0], 0, 0.1);5var context = new AudioContext();6var gainNode = context.createGain();7gainNode.connect(context.destination);8gainNode.gain.setValueCurveAtTime([1, 0, 0, 0, 0, 0, 0, 0, 0, 0], 0, 0.1);9var context = new AudioContext();10var gainNode = context.createGain();11gainNode.connect(context.destination);12gainNode.gain.setValueCurveAtTime([1, 0, 0, 0, 0, 0, 0, 0, 0, 0], 0, 0.1);13var context = new AudioContext();14var gainNode = context.createGain();15gainNode.connect(context.destination);16gainNode.gain.setValueCurveAtTime([1, 0, 0, 0, 0, 0, 0, 0, 0, 0], 0, 0.1);17var context = new AudioContext();18var gainNode = context.createGain();19gainNode.connect(context.destination);20gainNode.gain.setValueCurveAtTime([1, 0,

Using AI Code Generation

1var ac = new AudioContext();2var osc = ac.createOscillator();3var gain = ac.createGain();4osc.connect(gain);5gain.connect(ac.destination);6osc.frequency.value = 440;7osc.start();8gain.gain.setValueCurveAtTime(new Float32Array([0, 0.5, 1, 0.5, 0]), ac.currentTime, 1);9gain.gain.cancelScheduledValues(ac.currentTime + 0.5);10osc.stop(ac.currentTime + 1);11ac.close();12var ac = new AudioContext();13var gain = ac.createGain();14gain.gain.value = 0.5;15gain.gain.setValueAtTime(0.5, ac.currentTime);16gain.gain.setValueAtTime(1, ac.currentTime + 0.5);17gain.gain.setValueAtTime(0.5, ac.currentTime + 1);18gain.gain.cancelAndHoldAtTime(ac.currentTime + 0.75);19ac.close();20var ac = new AudioContext();21var gain = ac.createGain();

Using AI Code Generation

1var audioCtx = new (window.AudioContext || window.webkitAudioContext)();2var audioBufferSourceNode = audioCtx.createBufferSource();3var audioBuffer = audioCtx.createBuffer(1, 10, audioCtx.sampleRate);4var audioBufferChannelData = audioBuffer.getChannelData(0);5for(var i = 0; i < audioBufferChannelData.length; i++) {6  audioBufferChannelData[i] = i;7}8audioBufferSourceNode.buffer = audioBuffer;9var audioGainNode = audioCtx.createGain();10audioBufferSourceNode.connect(audioGainNode);11audioGainNode.connect(audioCtx.destination);12audioBufferSourceNode.start();13audioGainNode.gain.setValueCurveAtTime(audioBufferChannelData, 0, 10);14console.log(audioGainNode.gain.value);15window.setTimeout(function() {16  console.log(audioGainNode.gain.value);17}, 5000);

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