37 lines
927 B
JavaScript
37 lines
927 B
JavaScript
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/* *
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*
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* (c) 2009-2018 Øystein Moseng
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*
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* Instrument definitions for sonification module.
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*
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* License: www.highcharts.com/license
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*
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* */
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'use strict';
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import Instrument from 'Instrument.js';
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import utilities from 'utilities.js';
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var instruments = {};
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['sine', 'square', 'triangle', 'sawtooth'].forEach(function (waveform) {
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// Add basic instruments
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instruments[waveform] = new Instrument({
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oscillator: { waveformShape: waveform }
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});
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// Add musical instruments
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instruments[waveform + 'Musical'] = new Instrument({
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allowedFrequencies: utilities.musicalFrequencies,
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oscillator: { waveformShape: waveform }
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});
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// Add scaled instruments
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instruments[waveform + 'Major'] = new Instrument({
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allowedFrequencies: utilities.getMusicalScale([1, 3, 5, 6, 8, 10, 12]),
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oscillator: { waveformShape: waveform }
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});
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});
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export default instruments;
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