   <md-button class="md-icon-button" aria-label="settings" ng-if="microphoneFlashEnabled" ng-click="microphone.setFlashVisible(true)">
            <md-tooltip>microphone permissions</md-tooltip>
            <md-icon>settings</md-icon>
        </md-button>

        <h2>Cross Browser Compatible Audio Recorder</h2>

        <md-switch ng-model="encodingFormat" aria-label="format" class="md-primary md-hue-3" md-no-ink
                   ng-disabled="!microphoneStartEnabled"
                   ng-false-value="'m