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Run results for:
getFloatFrequencyData vs getByteFrequencyData
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Run details:
User agent:
Mozilla/5.0 (Android 16; Mobile; rv:149.0) Gecko/149.0 Firefox/149.0
Browser:
Firefox Mobile 149
Operating system:
Android
Device Platform:
Mobile
Date tested:
one month ago
Test name
Executions per second
getFloatFrequencyData
683.3 Ops/sec
getByteFrequencyData
641.1 Ops/sec
Script Preparation code:
var ctx = new AudioContext(); var gain = ctx.createGain(); var oscillator = ctx.createOscillator(); var analyser = ctx.createAnalyser(); gain.gain.value = 0.01; oscillator.frequency.value = 20; oscillator.type = "square"; analyser.fftSize = 32768; var fbuf = new Float32Array(analyser.frequencyBinCount); var bbuf = new Uint8Array(analyser.frequencyBinCount); oscillator.connect(analyser); analyser.connect(gain); gain.connect(ctx.destination); oscillator.start();
Tests:
getFloatFrequencyData
analyser.getFloatFrequencyData(fbuf);
getByteFrequencyData
analyser.getByteFrequencyData(bbuf);