Xref: utzoo rec.audio:9159 sci.med:7928 sci.electronics:4338 Path: utzoo!attcan!uunet!husc6!mailrus!cornell!uw-beaver!tikal!sigma!bill From: bill@sigma.UUCP (William Swan) Newsgroups: rec.audio,sci.med,sci.electronics Subject: Irritating Ultrasonics? Summary: Is it for real? Message-ID: <1925@sigma.UUCP> Date: 21 Nov 88 20:10:09 GMT Reply-To: bill@sigma.UUCP (William Swan) Followup-To: sci.med Lines: 9 Recently (in most of these groups) there was a discussion about irritation in some musician's audiences apparently caused by ultrasonics (DAC switching rates?) amplified by the musician's 0-40kHz (or so) amplifiers. Does anybody have any information about or know of any published research regarding ultrasonic-induced irritation? --