><th width="70%">Description</th></tr><tr class="prow1"><td class="summaryTablePaddingCol">&nbsp;</td><td class="summaryTableSecondCol"><a href="SiOPMChannelBase.html">SiOPMChannelBase</a></td><td class="summaryTableLastCol"> SiOPM sound channel base class.</td></tr><tr class="prow0"><td class="summaryTablePaddingCol">&nbsp;</td><td class="summaryTableSecondCol"><a href="SiOPMChannelFM.html">SiOPMChannelFM</a></td><td class="summaryTableLastCol"> FM sound channel.</td></tr><tr class="prow1"><td class="summa