var fDesc=new Array(); fDesc[0] = "AudioBoard is an audio range oscilloscope specifically designed for use with an interactive whiteboard or data projector.
It has bold graphics with a simple interface making it considerably easier than demonstrating sound waves than with a traditional CRO.
Pure tones can be visualised with an in-built signal generator. Alternatively you can use the microphone as an input or play a sound file in the background with media player."; function tShowHide(id, show) { var s = document.getElementById("desc"); if ((s.innerHTML.length<=212 || show==1) && show!=2) { s.innerHTML = fDesc[id]; if (document.getElementById('m1')) document.getElementById('m1').style.display='none'; if (document.getElementById('m2')) document.getElementById('m2').style.display='none'; if (document.getElementById('more_txt')) document.getElementById('more_txt').style.display='inline'; } else { s.innerHTML = ''; } }