Re: [AUDITORY] Software hearing aid prescriptions for stimulus presentation (Hendrik Kayser )


Subject: Re: [AUDITORY] Software hearing aid prescriptions for stimulus presentation
From:    Hendrik Kayser  <hendrik.kayser@xxxxxxxx>
Date:    Fri, 4 Mar 2022 10:08:56 +0100

This is a multi-part message in MIME format. --------------2hRYes0Bq4xu9prDnoL08Hz0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: quoted-printable X-MIME-Autoconverted: from 8bit to quoted-printable by edgeum3.it.mcgill.ca id 224993SO001650 Hello David, the open-source software platform "open Master Hearing Aid" (openMHA,=20 www.openmha.org) includes a solution that you might find helpful. A Matlab/Octave fitting tool is available that performs offline=20 processing of .wav files using openMHA, several audiogram-based=20 prescription rules are available and own own can be implemented in=20 Matlab/Octave. https://github.com/HoerTech-gGmbH/openMHA/blob/master/mha/tools/mfiles/mh= agui_fitting_offline.m In terms of commercial gain prescription rules, openMHA supports NAL-NL2=20 and DSL v5 See https://github.com/HoerTech-gGmbH/openMHA/blob/master/README_NALNL2.md https://github.com/HoerTech-gGmbH/openMHA/blob/master/README_DSLmio5.md for details. In case of questions, the openMHA user forum is a good place to ask: https://forum.openmha.org/ Best, Hendrik Am 03.03.22 um 17:22 schrieb Landsberger, David: > > ACHTUNG!Diese E-Mail kommt von Extern! WARNING! This email originated=20 > off-campus. > > I am hoping to get some advice on presenting stimuli to hearing aid=20 > users for an experiment.=C2=A0 The goal is to present stimuli to hearin= g=20 > aid users directly from a PC via insert headphones.=C2=A0 We would like= to=20 > ask if pre-processed signal =E2=80=9CA=E2=80=9D is better than pre-proc= essed signal=20 > =E2=80=9CB=E2=80=9D, with each sound consisting of a .wav file.=C2=A0 T= o present the=20 > signals, we would like to pre-process the wav files for each listener=20 > based on their audiogram using a reasonable hearing aid prescription,=20 > such as (but not necessarily)=C2=A0NAL-NL2. > > How do I pre-process these wav files?=C2=A0 Is there a software tool=20 > available where I can provide an audiogram and a wav file and it will=20 > output such a file?=C2=A0 Could somebody point me to such a tool?=C2=A0= A free=20 > solution would be preferred, but I would appreciate learning about any=20 > solution. > > Any help / pointers would be greatly appreciated. > > > Thanks, > > David > > > ------------------------------------------------------------ > This email message, including any attachments, is for the sole use of=20 > the intended recipient(s) and may contain information that is=20 > proprietary, confidential, and exempt from disclosure under applicable=20 > law. Any unauthorized review, use, disclosure, or distribution is=20 > prohibited. If you have received this email in error please notify the=20 > sender by return email and delete the original message. Please note,=20 > the recipient should check this email and any attachments for the=20 > presence of viruses. The organization accepts no liability for any=20 > damage caused by any virus transmitted by this email. > =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D > --=20 Dr. rer. nat. Hendrik Kayser Auditory Signal Processing and Cluster of Excellence "Hearing4all" Department of Medical Physics and Acoustics University of Oldenburg Germany hendrik.kayser@xxxxxxxx --------------2hRYes0Bq4xu9prDnoL08Hz0 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable X-MIME-Autoconverted: from 8bit to quoted-printable by edgeum3.it.mcgill.ca id 224993SO001650 <html> <head> <meta http-equiv=3D"Content-Type" content=3D"text/html; charset=3DUTF= -8"> </head> <body> <p>Hello David,</p> <p><br> </p> <p>the open-source software platform "open Master Hearing Aid" (openMHA, <a class=3D"moz-txt-link-abbreviated" href=3D"http://www.= openmha.org">www.openmha.org</a>) includes a solution that you might find helpful.<br> A Matlab/Octave fitting tool is available that performs offline processing of .wav files using openMHA, several audiogram-based prescription rules are available and own own can be implemented in Matlab/Octave.=C2=A0 <br> <a class=3D"moz-txt-link-freetext" href=3D"https://github.com/HoerTech-gG= mbH/openMHA/blob/master/mha/tools/mfiles/mhagui_fitting_offline.m">https:= //github.com/HoerTech-gGmbH/openMHA/blob/master/mha/tools/mfiles/mhagui_f= itting_offline.m</a></p> <p><br> </p> <p>In terms of commercial gain prescription rules, openMHA supports NAL-NL2 and DSL v5</p> <p>See <br> </p> <p> <a class=3D"moz-txt-link-freetext" href=3D"https://github.com/HoerT= ech-gGmbH/openMHA/blob/master/README_NALNL2.md">https://github.com/HoerTe= ch-gGmbH/openMHA/blob/master/README_NALNL2.md</a></p> <p><a class=3D"moz-txt-link-freetext" href=3D"https://github.com/Hoer= Tech-gGmbH/openMHA/blob/master/README_DSLmio5.md">https://github.com/Hoer= Tech-gGmbH/openMHA/blob/master/README_DSLmio5.md</a><br> </p> <p>for details.</p> <p><br> </p> <p>In case of questions, the openMHA user forum is a good place to ask:<br> <a class=3D"moz-txt-link-freetext" href=3D"https://forum.openmha.or= g/">https://forum.openmha.org/</a><br> </p> <p><br> </p> <p>Best,<br> Hendrik<br> </p> <p><br> </p> <p><br> </p> <p><br> </p> <div class=3D"moz-cite-prefix">Am 03.03.22 um 17:22 schrieb Landsberger, David:<br> </div> <blockquote type=3D"cite" cite=3D"mid:f0a7419d7c5c461eba4022eeb412ca16@xxxxxxxx"> <meta http-equiv=3D"Content-Type" content=3D"text/html; charset=3DU= TF-8"> <style type=3D"text/css" style=3D"display:none;">P {margin-top:0;ma= rgin-bottom:0;}</style> <div style=3D"border: solid #003333 1.0pt; padding: 2.0pt 2.0pt 2.0pt 2.0pt;"> <p style=3D"line-height: 10.0pt; background: #D5EAFF;"><span style=3D"font-size: 10.0pt; font-family: 'Time new Roman'; color: red;">ACHTUNG!</span><span style=3D"font-size: 10.0pt; font-family: 'Time new Roman';"> Diese E-Mail kommt von Extern! <span style=3D"color: #ff0000;">WARNING!</span> This email originated off-campus.<br> </span></p> </div> <div> <div id=3D"divtagdefaultwrapper" style=3D"font-size:12pt;color:#000000;font-family:Calibri,Helvetica,sans-= serif;" dir=3D"ltr"> <div style=3D"font-family: Calibri, Helvetica, sans-serif, serif, EmojiFont; font-size: 16px; margin-top: 0px; margin-bottom: 0px;"> I am hoping to get some advice on presenting stimuli to hearing aid users for an experiment.=C2=A0 The goal is to pre= sent stimuli to hearing aid users directly from a PC via insert headphones.=C2=A0 We would like to ask if pre-processed signa= l =E2=80=9CA=E2=80=9D is better than pre-processed signal =E2=80= =9CB=E2=80=9D, with each sound consisting of a .wav file.=C2=A0 To present the signals, we w= ould like to pre-process the wav files for each listener based on their audiogram using a reasonable hearing aid prescription, such as (but not necessarily)=C2=A0NAL-NL2.</div> <div style=3D"font-family: Calibri, Helvetica, sans-serif, serif, EmojiFont; font-size: 16px; margin-top: 0px; margin-bottom: 0px;"> <br> </div> <div style=3D"font-family: Calibri, Helvetica, sans-serif, serif, EmojiFont; font-size: 16px; margin-top: 0px; margin-bottom: 0px;"> How do I pre-process these wav files?=C2=A0 Is there a softwa= re tool available where I can provide an audiogram and a wav file and it will output such a file?=C2=A0 Could somebody poi= nt me to such a tool?=C2=A0 A free solution would be preferred, = but I would appreciate learning about any solution.</div> <div><br> </div> <p>Any help / pointers would be greatly appreciated.</p> <p><br> </p> <p>Thanks,</p> David </div> <p><br> ------------------------------------------------------------<br= > This email message, including any attachments, is for the sole use of the intended recipient(s) and may contain information that is proprietary, confidential, and exempt from disclosure under applicable law. Any unauthorized review, use, disclosure, or distribution is prohibited. If you have received this email in error please notify the sender by return email and delete the original message. Please note, the recipient should check this email and any attachments for the presence of viruses. The organization accepts no liability for any damage caused by any virus transmitted by this email.<br> =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D</p> </div> </blockquote> <pre class=3D"moz-signature" cols=3D"72">--=20 Dr. rer. nat. Hendrik Kayser Auditory Signal Processing and Cluster of Excellence "Hearing4all" Department of Medical Physics and Acoustics University of Oldenburg Germany <a class=3D"moz-txt-link-abbreviated" href=3D"mailto:hendrik.kayser@xxxxxxxx= ldenburg.de">hendrik.kayser@xxxxxxxx</a></pre> </body> </html> --------------2hRYes0Bq4xu9prDnoL08Hz0--


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