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data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAeAAAAFoCAYAAACPNyggAAAOhUlEQVR4Xu3VwQkAAAjEMN1/abewn7jAQRC64wgQIECAAIF3gX1fNEiAAAECBAiMAHsCAgQIECAQCAhwgG6SAAECBAgIsB8gQIAAAQKBgAAH6CYJECBAgIAA+wECBAgQIBAICHCAbpIAAQIECAiwHyBAgAABAoGAAAfoJgkQIECAgAD7AQIECBAgEAgIcIBukgABAgQICLAfIECAAAECgYAAB+gmCRAgQICAAPsBAgQIECAQCAhwgG6SAAECBAgIsB8gQIAAAQKBgAAH6CYJECBAgIAA+wECBAgQIBAICHCAbpIAAQIECAiwHyBAgAABAoGAAAfoJgkQIECAgAD7AQIECBAgEAgIcIBukgABAgQICLAfIECAAAECgYAAB+gmCRAgQICAAPsBAgQIECAQCAhwgG6SAAECBAgIsB8gQIAAAQKBgAAH6CYJECBAgIAA+wECBAgQIBAICHCAbpIAAQIECAiwHyBAgAABAoGAAAfoJgkQIECAgAD7AQIECBAgEAgIcIBukgABAgQICLAfIECAAAECgYAAB+gmCRAgQICAAPsBAgQIECAQCAhwgG6SAAECBAgIsB8gQIAAAQKBgAAH6CYJECBAgIAA+wECBAgQIBAICHCAbpIAAQIECAiwHyBAgAABAoGAAAfoJgkQIECAgAD7AQIECBAgEAgIcIBukgABAgQICLAfIECAAAECgYAAB+gmCRAgQICAAPsBAgQIECAQCAhwgG6SAAECBAgIsB8gQIAAAQKBgAAH6CYJECBAgIAA+wECBAgQIBAICHCAbpIAAQIECAiwHyBAgAABAoGAAAfoJgkQIECAgAD7AQIECBAgEAgIcIBukgABAgQICLAfIECAAAECgYAAB+gmCRAgQICAAPsBAgQIECAQCAhwgG6SAAECBAgIsB8gQIAAAQKBgAAH6CYJECBAgIAA+wECBAgQIBAICHCAbpIAAQIECAiwHyBAgAABAoGAAAfoJgkQIECAgAD7AQIECBAgEAgIcIBukgABAgQICLAfIECAAAECgYAAB+gmCRAgQICAAPsBAgQIECAQCAhwgG6SAAECBAgIsB8gQIAAAQKBgAAH6CYJECBAgIAA+wECBAgQIBAICHCAbpIAAQIECAiwHyBAgAABAoGAAAfoJgkQIECAgAD7AQIECBAgEAgIcIBukgABAgQICLAfIECAAAECgYAAB+gmCRAgQICAAPsBAgQIECAQCAhwgG6SAAECBAgIsB8gQIAAAQKBgAAH6CYJECBAgIAA+wECBAgQIBAICHCAbpIAAQIECAiwHyBAgAABAoGAAAfoJgkQIECAgAD7AQIECBAgEAgIcIBukgABAgQICLAfIECAAAECgYAAB+gmCRAgQICAAPsBAgQIECAQCAhwgG6SAAECBAgIsB8gQIAAAQKBgAAH6CYJECBAgIAA+wECBAgQIBAICHCAbpIAAQIECAiwHyBAgAABAoGAAAfoJgkQIECAgAD7AQIECBAgEAgIcIBukgABAgQICLAfIECAAAECgYAAB+gmCRAgQICAAPsBAgQIECAQCAhwgG6SAAECBAgIsB8gQIAAAQKBgAAH6CYJECBAgIAA+wECBAgQIBAICHCAbpIAAQIECAiwHyBAgAABAoGAAAfoJgkQIECAgAD7AQIECBAgEAgIcIBukgABAgQICLAfIECAAAECgYAAB+gmCRAgQICAAPsBAgQIECAQCAhwgG6SAAECBAgIsB8gQIAAAQKBgAAH6CYJECBAgIAA+wECBAgQIBAICHCAbpIAAQIECAiwHyBAgAABAoGAAAfoJgkQIECAgAD7AQIECBAgEAgIcIBukgABAgQICLAfIECAAAECgYAAB+gmCRAgQICAAPsBAgQIECAQCAhwgG6SAAECBAgIsB8gQIAAAQKBgAAH6CYJECBAgIAA+wECBAgQIBAICHCAbpIAAQIECAiwHyBAgAABAoGAAAfoJgkQIECAgAD7AQIECBAgEAgIcIBukgABAgQICLAfIECAAAECgYAAB+gmCRAgQICAAPsBAgQIECAQCAhwgG6SAAECBAgIsB8gQIAAAQKBgAAH6CYJECBAgIAA+wECBAgQIBAICHCAbpIAAQIECAiwHyBAgAABAoGAAAfoJgkQIECAgAD7AQIECBAgEAgIcIBukgABAgQICLAfIECAAAECgYAAB+gmCRAgQICAAPsBAgQIECAQCAhwgG6SAAECBAgIsB8gQIAAAQKBgAAH6CYJECBAgIAA+wECBAgQIBAICHCAbpIAAQIECAiwHyBAgAABAoGAAAfoJgkQIECAgAD7AQIECBAgEAgIcIBukgABAgQICLAfIECAAAECgYAAB+gmCRAgQICAAPsBAgQIECAQCAhwgG6SAAECBAgIsB8gQIAAAQKBgAAH6CYJECBAgIAA+wECBAgQIBAICHCAbpIAAQIECAiwHyBAgAABAoGAAAfoJgkQIECAgAD7AQIECBAgEAgIcIBukgABAgQICLAfIECAAAECgYAAB+gmCRAgQICAAPsBAgQIECAQCAhwgG6SAAECBAgIsB8gQIAAAQKBgAAH6CYJECBAgIAA+wECBAgQIBAICHCAbpIAAQIECAiwHyBAgAABAoGAAAfoJgkQIECAgAD7AQIECBAgEAgIcIBukgABAgQICLAfIECAAAECgYAAB+gmCRAgQICAAPsBAgQIECAQCAhwgG6SAAECBAgIsB8gQIAAAQKBgAAH6CYJECBAgIAA+wECBAgQIBAICHCAbpIAAQIECAiwHyBAgAABAoGAAAfoJgkQIECAgAD7AQIECBAgEAgIcIBukgABAgQICLAfIECAAAECgYAAB+gmCRAgQICAAPsBAgQIECAQCAhwgG6SAAECBAgIsB8gQIAAAQKBgAAH6CYJECBAgIAA+wECBAgQIBAICHCAbpIAAQIECAiwHyBAgAABAoGAAAfoJgkQIECAgAD7AQIECBAgEAgIcIBukgABAgQICLAfIECAAAECgYAAB+gmCRAgQICAAPsBAgQIECAQCAhwgG6SAAECBAgIsB8gQIAAAQKBgAAH6CYJECBAgIAA+wECBAgQIBAICHCAbpIAAQIECAiwHyBAgAABAoGAAAfoJgkQIECAgAD7AQIECBAgEAgIcIBukgABAgQICLAfIECAAAECgYAAB+gmCRAgQICAAPsBAgQIECAQCAhwgG6SAAECBAgIsB8gQIAAAQKBgAAH6CYJECBAgIAA+wECBAgQIBAICHCAbpIAAQIECAiwHyBAgAABAoGAAAfoJgkQIECAgAD7AQIECBAgEAgIcIBukgABAgQICLAfIECAAAECgYAAB+gmCRAgQICAAPsBAgQIECAQCAhwgG6SAAECBAgIsB8gQIAAAQKBgAAH6CYJECBAgIAA+wECBAgQIBAICHCAbpIAAQIECAiwHyBAgAABAoGAAAfoJgkQIECAgAD7AQIECBAgEAgIcIBukgABAgQICLAfIECAAAECgYAAB+gmCRAgQICAAPsBAgQIECAQCAhwgG6SAAECBAgIsB8gQIAAAQKBgAAH6CYJECBAgIAA+wECBAgQIBAICHCAbpIAAQIECAiwHyBAgAABAoGAAAfoJgkQIECAgAD7AQIECBAgEAgIcIBukgABAgQICLAfIECAAAECgYAAB+gmCRAgQICAAPsBAgQIECAQCAhwgG6SAAECBAgIsB8gQIAAAQKBgAAH6CYJECBAgIAA+wECBAgQIBAICHCAbpIAAQIECAiwHyBAgAABAoGAAAfoJgkQIECAgAD7AQIECBAgEAgIcIBukgABAgQICLAfIECAAAECgYAAB+gmCRAgQICAAPsBAgQIECAQCAhwgG6SAAECBAgIsB8gQIAAAQKBgAAH6CYJECBAgIAA+wECBAgQIBAICHCAbpIAAQIECAiwHyBAgAABAoGAAAfoJgkQIECAgAD7AQIECBAgEAgIcIBukgABAgQICLAfIECAAAECgYAAB+gmCRAgQICAAPsBAgQIECAQCAhwgG6SAAECBAgIsB8gQIAAAQKBgAAH6CYJECBAgIAA+wECBAgQIBAICHCAbpIAAQIECAiwHyBAgAABAoGAAAfoJgkQIECAgAD7AQIECBAgEAgIcIBukgABAgQICLAfIECAAAECgYAAB+gmCRAgQICAAPsBAgQIECAQCAhwgG6SAAECBAgIsB8gQIAAAQKBgAAH6CYJECBAgIAA+wECBAgQIBAICHCAbpIAAQIECAiwHyBAgAABAoGAAAfoJgkQIECAgAD7AQIECBAgEAgIcIBukgABAgQICLAfIECAAAECgYAAB+gmCRAgQICAAPsBAgQIECAQCAhwgG6SAAECBAgIsB8gQIAAAQKBgAAH6CYJECBAgIAA+wECBAgQIBAICHCAbpIAAQIECAiwHyBAgAABAoGAAAfoJgkQIECAgAD7AQIECBAgEAgIcIBukgABAgQICLAfIECAAAECgYAAB+gmCRAgQICAAPsBAgQIECAQCAhwgG6SAAECBAgIsB8gQIAAAQKBgAAH6CYJECBAgIAA+wECBAgQIBAICHCAbpIAAQIECAiwHyBAgAABAoGAAAfoJgkQIECAgAD7AQIECBAgEAgIcIBukgABAgQICLAfIECAAAECgYAAB+gmCRAgQICAAPsBAgQIECAQCAhwgG6SAAECBAgIsB8gQIAAAQKBgAAH6CYJECBAgIAA+wECBAgQIBAICHCAbpIAAQIECAiwHyBAgAABAoGAAAfoJgkQIECAgAD7AQIECBAgEAgIcIBukgABAgQICLAfIECAAAECgYAAB+gmCRAgQICAAPsBAgQIECAQCAhwgG6SAAECBAgIsB8gQIAAAQKBgAAH6CYJECBAgIAA+wECBAgQIBAICHCAbpIAAQIECAiwHyBAgAABAoGAAAfoJgkQIECAgAD7AQIECBAgEAgIcIBukgABAgQIHLFxAWmhEwHPAAAAAElFTkSuQmCCWind0.995durationname
duration
length
number of channels
sample rate
samplessamplessoundvar base64, binaryString, len, bytes, i,
arrayBuffer, audioCtx;
if (sound.audioBuffer) {
return;
}
base64 = sound.audio.src.split(',')[1];
binaryString = window.atob(base64);
len = binaryString.length;
bytes = new Uint8Array(len);
for (i = 0; i < len; i += 1) {
bytes[i] = binaryString.charCodeAt(i);
}
arrayBuffer = bytes.buffer;
Note.prototype.setupContext();
audioCtx = Note.prototype.audioContext;
audioCtx.decodeAudioData(arrayBuffer, function(buffer) {
sound.audioBuffer = buffer;
});soundreturn !isNil(sound.audioBuffer);soundchoiceswitch (choice) {
case 'sample rate':
return sound.audioBuffer.sampleRate;
case 'duration':
return sound.audioBuffer.duration;
case 'length':
return sound.audioBuffer.length;
case 'number of channels':
return sound.audioBuffer.numberOfChannels;
default:
return sound.audioBuffer;
}play back a sound, a list of samples (single channel), or a list of lists (multiple channels) at the given sample rate.
for demo purposes this block also fast-plots the samples on the stage4410022.05 kHz=22050
44.1 kHz=44100
88.2 kHz=88200
96 kHz=96000samplesratevar audioCtx, channels, frameCount, arrayBuffer, i, source;
Note.prototype.setupContext();
audioCtx = Note.prototype.audioContext;
channels = (samples.at(1) instanceof List) ? samples.length() : 1;
frameCount = (channels === 1) ? samples.length() : samples.at(1).length();
arrayBuffer = audioCtx.createBuffer(channels, frameCount, rate);
if (!arrayBuffer.copyToChannel) {
arrayBuffer.copyToChannel = function (src, channel) {
var buffer = this.getChannelData(channel);
for (i = 0; i < src.length; i += 1) {
buffer[i] = src[i];
}
}
}
if (channels === 1) {
arrayBuffer.copyToChannel(Float32Array.from(samples.asArray()), 0, 0);
} else {
for (i = 0; i < channels; i += 1) {
arrayBuffer.copyToChannel(Float32Array.from(samples.at(i + 1).asArray()), i, 0);
}
}
source = audioCtx.createBufferSource();
source.buffer = arrayBuffer;
source.connect(audioCtx.destination);
source.start();
source.pause = source.stop;
this.parentThatIsA(StageMorph).activeSounds.push(source);generate a list of samples representing a sine wave at the given frequency, duration and sample rate440a 55=55
a 110=110
a 220=220
a 440=440
a 880=880
a 1760=1760
a 3520=352014410022.05 kHz=22050
44.1 kHz=44100
88.2 kHz=88200
96 kHz=960000.51quickly plot the samples of a sound, a list of samples (single channel), or a list of lists (multiple channels) to the stage at a lower resolution.1offset-2records an audio snippet and reports it as a new sound, or zero if the user cancelsca:volum del so
es:volumen del sonido
return typeof meter != 'undefined'return Math.floor(meter.volume * 100);5