Subject: Fwd: Re: apparent increase in loudness From: Ross Alexander Hendler <rah232(at)NYU.EDU> Date: Fri, 30 Jan 2004 11:23:23 -0800This is a multi-part message in MIME format. ----3b407a892d9f4bb1 Content-Type: message/rfc822 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Received: from [66.27.71.169] by mail.nyu.edu (mshttpd); Fri, 30 Jan 2004 11:22:23 -0800 From: Ross Alexander Hendler <rah232(at)nyu.edu> To: J.Heron1(at)BRADFORD.AC.UK Message-ID: <1c68ead1c6944a.1c6944a1c68ead(at)homemail.nyu.edu> Date: Fri, 30 Jan 2004 11:22:23 -0800 X-Mailer: iPlanet Messenger Express 5.2 HotFix 1.15 (built Apr 28 2003) MIME-Version: 1.0 Content-Language: en Subject: Re: apparent increase in loudness X-Accept-Language: en Priority: normal Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Some studies have shown that the sound of a baby crying can = actually be quite debilitating=2E I remember reading about these = studies performed by the American Technology Corporation = which incorporated the sound of a baby crying played = backwards and mixed with some pure tones=2E I tried to find out more about what tones were used but got = the reply that =22Unfortunately=2C the recording in question is the = the property of U=2ES=2E government and it is not a good idea for = ATC to disclose their full contents=2E=22=A0 Ross A=2E Hendler =3E Dear Leo=2C =3E = =3E I=27m sure I remember reading something about the sound of = a crying = =3E baby having =3E some unique biological relevance and as a result it was said = to be =3E execptionally hard to mask/ignore=2E Can=27t remember where = or when I = =3E read it =3E though=2E=2E=2Esorry=2E =3E = =3E James=2E =3E = =3E = =3E = =3E auditorylist=2C =3E = =3E during a recent transatlantic flight I observed =3E the phenomenon that the sound of a crying baby =3E appeared louder when I tried to mask it by =3E putting on a headphone with loud instrumental music=2E =3E It ran against my expectation that a partially =3E masked sound would appear less loud=2E =3E Is this a known phenomenon=3F =3E = =3E Leon van Noorden =3E = =3E = =3E = =3E = =3E = =3E = =3E = ---------------------------------------------------- -------- =3E This mail sent through IMP=3A http=3A//webmail=2Ebrad=2Eac=2Euk =3E To report misuse from this email address forward the = message =3E and full headers to misuse=40bradford=2Eac=2Euk =3E = ---------------------------------------------------- -------- =3E ----3b407a892d9f4bb1-- ----3b407a892d9f4bb1--