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1 : -1); 142 | } 143 | var octaveNode = this.xml.createElement("octave"); 144 | pitchNode.appendChild(octaveNode); 145 | octaveNode.textContent = attributes.octave; 146 | 147 | var playTime = 0; 148 | if (data.length > 2) { 149 | var duration = this._processDuration(data[2]); 150 | attributes.duration = duration[0].length; 151 | 152 | duration.forEach(function(item) { 153 | playTime += this._durationToSec(item.length, item.dots, attributes); 154 | 155 | var clone = noteNode.cloneNode(true); 156 | 157 | var durationNode = this.xml.createElement("duration"); 158 | clone.appendChild(durationNode); 159 | durationNode.textContent = this._divisions*4/item.length; 160 | 161 | for (var i=0;i 1) { 189 | var duration = this._processDuration(data[1]); 190 | attributes.duration = duration[0].length; 191 | 192 | duration.forEach(function(item) { 193 | playTime += this._durationToSec(item.length, item.dots, attributes); 194 | 195 | var clone = noteNode.cloneNode(true); 196 | 197 | var durationNode = this.xml.createElement("duration"); 198 | clone.appendChild(durationNode); 199 | durationNode.textContent = this._divisions*4/item.length; 200 | 201 | for (var i=0;i 2 ? data[2][1].length : 0 244 | }; 245 | }, 246 | 247 | _processNumber: function(data) { 248 | return Number(data[1]); 249 | }, 250 | 251 | _durationToSec: function(length, dots, attributes) { 252 | var bps = attributes.tempo / 60; /* quater notes per second */ 253 | var base = 4 / (bps * length); 254 | var sec = base; 255 | for (var i=0;i