ld" class="signatureLink">_amplitudeThreshold</a> : Number<div class="summaryTableDescription"></div></td><td class="summaryTableOwnerCol">FlxSound</td></tr><tr class=""><td class="summaryTablePaddingCol">&nbsp;</td><td class="summaryTableInheritanceCol">&nbsp;</td><td class="summaryTableSignatureCol"><a href="#_channel" class="signatureLink">_channel</a> : SoundChannel<div class="summaryTableDescription"></div></td><td class="summaryTableOwnerCol">FlxSound</td></tr><tr class=""><td class="summaryTablePaddi