A-Channel Videos   How We Hear Segments 1-3 “A” Channel - Ask the Expert Mar 15, 2010 New Hearing Aids Segments 4-6 “A” Channel – Ask the Expert April 5, 2010 Hearing Protection Segments 7-9 “A” Channel – Ask the Expert April 26, 2010 The Ear Impression Segments 10-12 “A” Channel – Ask the Expert May 17, 2010