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User:David.humphrey/Audio Data API 2: Difference between revisions
→Complete Example: Creating a Web Based Tone Generator
| Line 238: | Line 238: | ||
// will give us one full period | // will give us one full period | ||
var samples = 44100 / freq; | var samples = 44100 / freq; | ||
sampledata = | // Could use Array() here too, typed array is faster | ||
sampledata = Float32Array(Math.round(samples)); | |||
for (var i=0; i<sampledata.length; i++) { | for (var i=0; i<sampledata.length; i++) { | ||
sampledata[i] = Math.sin(2*Math.PI * (i / sampledata.length)); | sampledata[i] = Math.sin(2*Math.PI * (i / sampledata.length)); | ||