Subject: Re: [AUDITORY] Psychoacoustics with active-noise cancelling headphones From: PIerre DIVENYI <pdivenyi@xxxxxxxx> Date: Tue, 18 Sep 2018 21:38:38 -0700 List-Archive:<http://lists.mcgill.ca/scripts/wa.exe?LIST=AUDITORY>--Apple-Mail-2F1C5E60-44C3-4F98-A755-EB383F64F600 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: quoted-printable ...or the MRI scanner, if it is a 3T or 4T, would fry the headphone. Lots of luck, Pierre Sent from my autocorrecting iPad > On Sep 18, 2018, at 8:28 AM, Alan Kan <0000008313d65024-dmarc-request@xxxxxxxx= S.MCGILL.CA> wrote: >=20 > Hi Guillaume, > =20 > I think the metal components in active-noise cancelling headphones would p= robably destroy an MRI scanner. > =20 > Cheers > =20 > Alan > =20 > From: AUDITORY - Research in Auditory Perception [mailto:AUDITORY@xxxxxxxx= GILL.CA] On Behalf Of Guillaume Lemaitre > Sent: Monday, September 17, 2018 2:21 AM > To: AUDITORY@xxxxxxxx > Subject: [AUDITORY] Psychoacoustics with active-noise cancelling headphone= s > =20 > Dear list, > I would like to know if someone has ever tried to conduct a psychoacoustic= s experiment with active-noise cancelling headphones. > I am wondering whether existing devices would be good enough to cancel out= a wideband background noise (such as a train interior noise) and playback s= timuli with sufficient accuracy. > I have been happy with insert earphones for experiments within an MRI scan= ner, but I wonder if less expensive consumer audio devices could do the job f= or environmental background noises. > Many thanks ! > Guillaume Lemaitre > =20 --Apple-Mail-2F1C5E60-44C3-4F98-A755-EB383F64F600 Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: 7bit <html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto">...or the MRI scanner, if it is a 3T or 4T, would fry the headphone.<div><br></div><div>Lots of luck,</div><div>Pierre</div><div><br><div id="AppleMailSignature">Sent from my autocorrecting iPad</div><div><br>On Sep 18, 2018, at 8:28 AM, Alan Kan <<a href="mailto:0000008313d65024-dmarc-request@xxxxxxxx">0000008313d65024-dmarc-request@xxxxxxxx</a>> wrote:<br><br></div><blockquote type="cite"><div> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> <meta name="Generator" content="Microsoft Word 15 (filtered medium)"> <style><!-- /* Font Definitions */ @xxxxxxxx {font-family:SimSun; panose-1:2 1 6 0 3 1 1 1 1 1;} @xxxxxxxx {font-family:"Cambria Math"; panose-1:2 4 5 3 5 4 6 3 2 4;} @xxxxxxxx {font-family:Calibri; panose-1:2 15 5 2 2 2 4 3 2 4;} @xxxxxxxx {font-family:"\@xxxxxxxx"; panose-1:2 1 6 0 3 1 1 1 1 1;} /* Style Definitions */ p.MsoNormal, li.MsoNormal, div.MsoNormal {margin:0in; margin-bottom:.0001pt; font-size:12.0pt; font-family:"Times New Roman",serif;} a:link, span.MsoHyperlink {mso-style-priority:99; color:#0563C1; text-decoration:underline;} a:visited, span.MsoHyperlinkFollowed {mso-style-priority:99; color:#954F72; text-decoration:underline;} span.EmailStyle17 {mso-style-type:personal-reply; font-family:"Calibri",sans-serif; color:#1F497D;} .MsoChpDefault {mso-style-type:export-only; font-family:"Calibri",sans-serif;} @xxxxxxxx WordSection1 {size:8.5in 11.0in; margin:1.0in 1.0in 1.0in 1.0in;} div.WordSection1 {page:WordSection1;} --></style><!--[if gte mso 9]><xml> <o:shapedefaults v:ext="edit" spidmax="1026" /> </xml><![endif]--><!--[if gte mso 9]><xml> <o:shapelayout v:ext="edit"> <o:idmap v:ext="edit" data="1" /> </o:shapelayout></xml><![endif]--> <div class="WordSection1"> <p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">Hi Guillaume,<o:p></o:p></span></p> <p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p> </o:p></span></p> <p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">I think the metal components in active-noise cancelling headphones would probably destroy an MRI scanner. <o:p></o:p></span></p> <p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p> </o:p></span></p> <p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">Cheers<o:p></o:p></span></p> <p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p> </o:p></span></p> <p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">Alan<o:p></o:p></span></p> <p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p> </o:p></span></p> <p class="MsoNormal"><b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">From:</span></b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> AUDITORY - Research in Auditory Perception [<a href="mailto:AUDITORY@xxxxxxxx">mailto:AUDITORY@xxxxxxxx</a>] <b>On Behalf Of </b>Guillaume Lemaitre<br> <b>Sent:</b> Monday, September 17, 2018 2:21 AM<br> <b>To:</b> <a href="mailto:AUDITORY@xxxxxxxx">AUDITORY@xxxxxxxx</a><br> <b>Subject:</b> [AUDITORY] Psychoacoustics with active-noise cancelling headphones<o:p></o:p></span></p> <p class="MsoNormal"><o:p> </o:p></p> <div> <div> <div> <div> <div> <div> <p class="MsoNormal">Dear list,<o:p></o:p></p> </div> <p class="MsoNormal">I would like to know if someone has ever tried to conduct a psychoacoustics experiment with active-noise cancelling headphones. <o:p></o:p></p> </div> <p class="MsoNormal">I am wondering whether existing devices would be good enough to cancel out a wideband background noise (such as a train interior noise) and playback stimuli with sufficient accuracy.<o:p></o:p></p> </div> <p class="MsoNormal">I have been happy with insert earphones for experiments within an MRI scanner, but I wonder if less expensive consumer audio devices could do the job for environmental background noises.<o:p></o:p></p> </div> <p class="MsoNormal">Many thanks !<o:p></o:p></p> </div> <p class="MsoNormal">Guillaume Lemaitre<o:p></o:p></p> <div> <p class="MsoNormal"><o:p> </o:p></p> </div> </div> </div> </div></blockquote></div></body></html> --Apple-Mail-2F1C5E60-44C3-4F98-A755-EB383F64F600--