Subject: Re: [AUDITORY] [duration & loudness : how to equate (subjectively)] From: Virginie van Wassenhove <virginie.van.wassenhove@xxxxxxxx> Date: Thu, 12 Dec 2024 08:42:46 +0100--000000000000097d3f06290ddd41 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Many thanks for the reprint to several colleagues, already! :-) Cheers, Virginie van Wassenhove *My working hours may not be the same as yours, please respond on your own time* On Thu, Dec 12, 2024 at 8:11=E2=80=AFAM Virginie van Wassenhove < virginie.van.wassenhove@xxxxxxxx> wrote: > Dear colleagues and auditory experts, > > I am reaching out to the auditory community to evaluate existing methods = / > experimental tricks to equate the loudness of sounds as a function of the= ir > duration. > > Context: in the timing literature, one wants to ensure that participants > use timing and not any other (intensity, loudness, spectral, pitch...) cu= e > to estimate the duration of a stimulus. For this, one conservative > approach is to use an "empty interval", namely a gap in noise for very > short timing, or two transient sounds delimiting silence (aka a time > interval). Alternatively, a "filled duration" (pure tone, noise, etc...) > can be used, risking the use of alternative cues. To use a filled duratio= n, > one must ensure that the loudness of the sound is equal across durations. > > My question to you is: > What is the best and fastest way (from the viewpoint of experimental > implementation) to equalize loudness across auditory stimuli? The range o= f > durations is from 100 ms to 3 s. For other experimental reasons, we'd > prefer a pure tone (440 Hz) over noise. > > I'd welcome your tips, insights or pointers to papers you may have. > > If anyone has a reprint of this one, that would also be great: > Sharon M. Abel; Duration Discrimination of Noise and Tone Bursts. J. > Acoust. Soc. Am. 1 April 1972; 51 (4B): 1219=E2=80=931223. > https://doi.org/10.1121/1.1912963 <https://doi.org/10.1121/1.1912963> > > With best wishes, > Virginie > > > Dir. Cognition & Brain Dynamics <https://brainthemind.com/> > CEA/DRF/Joliot/NeuroSpin | INSERM Cognitive Neuroimaging Unit | Univ. > Paris-Saclay > Co-Direction DIM C- <https://dim-cbrains.fr/fr/home>BRAINS > <https://dim-cbrains.fr/fr/home> | Associate Editor, JoCN > <https://direct.mit.edu/jocn> > *My working hours may not be the same as yours, please respond on your ow= n > time!* > --000000000000097d3f06290ddd41 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable <div dir=3D"ltr"><div>Many thanks for the reprint to several colleagues, al= ready! :-)</div><div><br></div><div><div dir=3D"ltr" class=3D"gmail_signatu= re" data-smartmail=3D"gmail_signature"><div dir=3D"ltr"><div dir=3D"ltr"><d= iv dir=3D"ltr"><div dir=3D"ltr"><div dir=3D"ltr"><div dir=3D"ltr"><div dir= =3D"ltr"><div dir=3D"ltr"><div dir=3D"ltr"><div dir=3D"ltr"><div dir=3D"ltr= "><div dir=3D"ltr"><div dir=3D"ltr"><div><font color=3D"#000000" face=3D"ar= ial, helvetica, sans-serif">Cheers,=C2=A0</font></div><div dir=3D"ltr"><fon= t face=3D"arial, helvetica, sans-serif" color=3D"#000000" size=3D"1">Virgin= ie van Wassenhove</font></div><div><i><font size=3D"1" color=3D"#444444">My= working hours may not be the same as yours, please respond on your own tim= e</font></i></div></div></div></div></div></div></div></div></div></div></d= iv></div></div></div></div></div><br></div><br><div class=3D"gmail_quote gm= ail_quote_container"><div dir=3D"ltr" class=3D"gmail_attr">On Thu, Dec 12, = 2024 at 8:11=E2=80=AFAM Virginie van Wassenhove <<a href=3D"mailto:virgi= nie.van.wassenhove@xxxxxxxx">virginie.van.wassenhove@xxxxxxxx</a>> wro= te:<br></div><blockquote class=3D"gmail_quote" style=3D"margin:0px 0px 0px = 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir=3D"= ltr"><div>Dear colleagues and auditory experts,=C2=A0</div><div><br></div><= div>I am reaching out to the auditory community to evaluate existing method= s / experimental tricks to equate the loudness of sounds as a function of t= heir duration.</div><div><br></div><div>Context: in the timing literature, = one wants to ensure that participants use timing and not any other (intensi= ty, loudness, spectral, pitch...) cue to estimate the duration of a stimulu= s.=C2=A0 For this, one conservative approach is to use an "empty inter= val", namely a gap in noise for very short timing, or two transient=C2= =A0sounds delimiting silence (aka a time interval). Alternatively, a "= filled duration" (pure tone, noise, etc...) can be used, risking the u= se of alternative cues. To use a filled duration, one must ensure that the = loudness of the sound is equal across durations.=C2=A0</div><div><br></div>= <div>My question to you is: <br>What is the best and fastest way (from the = viewpoint of experimental implementation) to equalize loudness across audit= ory stimuli? The range of durations is from 100 ms to 3 s. For other experi= mental reasons, we'd prefer a pure tone (440 Hz) over noise.</div><div>= <br></div><div>I'd welcome your tips, insights or pointers to papers yo= u may have.</div><div><br></div><div>If anyone has a reprint of this one, t= hat would also be great:=C2=A0</div><div>Sharon M. Abel; Duration Discrimin= ation of Noise and Tone Bursts. J. Acoust. Soc. Am. 1 April 1972; 51 (4B): = 1219=E2=80=931223. <a href=3D"https://doi.org/10.1121/1.1912963" target=3D"= _blank">https://doi.org/10.1121/1.1912963=C2=A0</a></div><div><br></div><di= v><span style=3D"color:rgb(0,0,0);font-family:arial,helvetica,sans-serif">W= ith best wishes,</span></div><div><span style=3D"color:rgb(0,0,0);font-fami= ly:arial,helvetica,sans-serif">Virginie</span></div><div><div dir=3D"ltr" c= lass=3D"gmail_signature"><div dir=3D"ltr"><div><div><br></div></div><font s= ize=3D"1"><font face=3D"arial, sans-serif"><br></font></font><font color=3D= "#666666"><font style=3D"font-family:arial,sans-serif;font-size:x-small">Di= r.=C2=A0</font><a href=3D"https://brainthemind.com/" style=3D"font-family:a= rial,sans-serif;font-size:x-small" target=3D"_blank">Cognition & Brain = Dynamics</a><font style=3D"font-family:arial,sans-serif;font-size:x-small">= =C2=A0</font><font size=3D"1"><br></font></font><div><font color=3D"#666666= "><font size=3D"1"><span style=3D"font-family:arial,sans-serif">CEA/DRF/Jol= iot/NeuroSpin |=C2=A0</span></font><span style=3D"font-family:arial,sans-se= rif;font-size:x-small">INSERM Cognitive Neuroimaging Unit |=C2=A0</span><sp= an style=3D"font-family:arial,sans-serif;font-size:x-small">Univ. Paris-Sac= lay</span></font></div><div><div><font color=3D"#666666"><span style=3D"fon= t-family:arial,sans-serif;font-size:x-small">Co-Direction=C2=A0</span><a hr= ef=3D"https://dim-cbrains.fr/fr/home" style=3D"font-family:arial,sans-serif= ;font-size:x-small" target=3D"_blank">DIM C-</a><a href=3D"https://dim-cbra= ins.fr/fr/home" style=3D"font-family:arial,sans-serif;font-size:x-small" ta= rget=3D"_blank">BRAINS</a>=C2=A0</font><span style=3D"color:rgb(102,102,102= );font-family:arial,sans-serif;font-size:x-small">=C2=A0</span><span style= =3D"color:rgb(102,102,102);font-family:arial,sans-serif;font-size:x-small">= |=C2=A0</span><span style=3D"color:rgb(102,102,102);font-family:arial,sans-= serif;font-size:x-small">Associate Editor, </span><a href=3D"https://direct= .mit.edu/jocn" style=3D"font-family:arial,sans-serif;font-size:x-small" tar= get=3D"_blank">JoCN</a></div><div><i><font size=3D"1" color=3D"#666666">My = working hours may not be the same as yours, please respond on your own time= !</font></i></div></div></div></div></div></div> </blockquote></div> --000000000000097d3f06290ddd41--