mirror of
https://github.com/Tonejs/Tone.js
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117 lines
No EOL
2.7 KiB
JavaScript
117 lines
No EOL
2.7 KiB
JavaScript
define(["Tone/core/Tone", "Tone/component/MultibandSplit", "Tone/component/Compressor"], function(Tone){
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"use strict";
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/**
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* @class A compressor with seperate controls over low/mid/high dynamics
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*
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* @extends {Tone}
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* @constructor
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* @param {Object} options The low/mid/high compressor settings.
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* @example
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* var multiband = new Tone.MultibandCompressor({
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* "lowFrequency" : 200,
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* "highFrequency" : 1300
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* "low" : {
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* "threshold" : -12
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* }
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* })
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*/
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Tone.MultibandCompressor = function(options){
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options = this.defaultArg(arguments, Tone.MultibandCompressor.defaults);
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/**
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* split the incoming signal into high/mid/low
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* @type {Tone.MultibandSplit}
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* @private
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*/
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this._splitter = this.input = new Tone.MultibandSplit({
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"lowFrequency" : options.lowFrequency,
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"highFrequency" : options.highFrequency
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});
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/**
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* low/mid crossover frequency.
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* @type {Frequency}
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* @signal
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*/
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this.lowFrequency = this._splitter.lowFrequency;
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/**
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* mid/high crossover frequency.
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* @type {Frequency}
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* @signal
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*/
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this.highFrequency = this._splitter.highFrequency;
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/**
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* the output
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* @type {GainNode}
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* @private
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*/
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this.output = this.context.createGain();
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/**
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* The compressor applied to the low frequencies.
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* @type {Tone.Compressor}
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*/
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this.low = new Tone.Compressor(options.low);
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/**
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* The compressor applied to the mid frequencies.
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* @type {Tone.Compressor}
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*/
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this.mid = new Tone.Compressor(options.mid);
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/**
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* The compressor applied to the high frequencies.
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* @type {Tone.Compressor}
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*/
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this.high = new Tone.Compressor(options.high);
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//connect the compressor
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this._splitter.low.chain(this.low, this.output);
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this._splitter.mid.chain(this.mid, this.output);
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this._splitter.high.chain(this.high, this.output);
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this._readOnly(["high", "mid", "low", "highFrequency", "lowFrequency"]);
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};
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Tone.extend(Tone.MultibandCompressor);
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/**
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* @const
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* @static
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* @type {Object}
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*/
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Tone.MultibandCompressor.defaults = {
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"low" : Tone.Compressor.defaults,
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"mid" : Tone.Compressor.defaults,
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"high" : Tone.Compressor.defaults,
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"lowFrequency" : 250,
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"highFrequency" : 2000
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};
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/**
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* clean up
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* @returns {Tone.MultibandCompressor} this
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*/
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Tone.MultibandCompressor.prototype.dispose = function(){
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Tone.prototype.dispose.call(this);
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this._splitter.dispose();
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this._writable(["high", "mid", "low", "highFrequency", "lowFrequency"]);
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this.low.dispose();
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this.mid.dispose();
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this.high.dispose();
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this._splitter = null;
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this.low = null;
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this.mid = null;
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this.high = null;
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this.lowFrequency = null;
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this.highFrequency = null;
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return this;
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};
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return Tone.MultibandCompressor;
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}); |