Re: [AUDITORY] Change the Sound Object Distance (Brian FG Katz )

Subject: Re: [AUDITORY] Change the Sound Object Distance From: Brian FG Katz <brian.katz@xxxxxxxx> Date: Sat, 13 Mar 2021 10:17:39 +0100 This is a multipart message in MIME format. ------=_NextPart_000_03B2_01D717F2.193001A0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Dear Askan,=20 =20 Adding to Lorenzo=E2=80=99s response, in addition to needing information = on how you intend to present the sound (monaural/binaural, = speaker/headphones) it depends on how close you are try to make the = sound feel, and finally what the sound is. =20 There can be spectral tilt (ration of high to low frequency components) = that change with distance. This depends again on how close, and what the = sound content is. As an example, make a quick recording of a similar = type of natural sound at 10m then 10cm. You can compare the spectra to = get a rough estimate of the correction EQ.=20 =20 For binaural, there are several useful cues like distance/frequency = dependent head shadowing and auditory parallax. For distances <1m, these = are modelled rather well in our research based free binaural VST plugin = http://anaglyph.dalembert.upmc.fr/. Give it a try.=20 =20 -Brian -- Brian FG Katz, Research Director, CNRS Groupe Lutheries - Acoustique =E2=80=93 Musique Sorbonne Universit=C3=A9, CNRS, UMR 7190, Institut Jean Le Rond = =E2=88=82'Alembert=20 http://www.dalembert.upmc.fr/home/katz =20 ------=_NextPart_000_03B2_01D717F2.193001A0 Content-Type: text/html; charset="utf-8" Content-Transfer-Encoding: quoted-printable <html xmlns:v=3D"urn:schemas-microsoft-com:vml" = xmlns:o=3D"urn:schemas-microsoft-com:office:office" = xmlns:w=3D"urn:schemas-microsoft-com:office:word" = xmlns:m=3D"http://schemas.microsoft.com/office/2004/12/omml" = xmlns=3D"http://www.w3.org/TR/REC-html40"><head><meta = http-equiv=3DContent-Type content=3D"text/html; charset=3Dutf-8"><meta = name=3DGenerator content=3D"Microsoft Word 15 (filtered = medium)"><style></style></head><body lang=3DFR link=3Dblue = vlink=3Dpurple><div class=3DWordSection1><p class=3DMsoNormal><span = style=3D'mso-fareast-language:EN-US'>Dear Askan, = <o:p></o:p></span></p><p class=3DMsoNormal><span = style=3D'mso-fareast-language:EN-US'><o:p> </o:p></span></p><p = class=3DMsoNormal><span lang=3DEN-US = style=3D'mso-fareast-language:EN-US'>Adding to Lorenzo=E2=80=99s = response, in addition to needing information on how you intend to = present the sound (monaural/binaural, speaker/headphones) it depends on = how close you are try to make the sound feel, and finally what the sound = is.<o:p></o:p></span></p><p class=3DMsoNormal><span lang=3DEN-US = style=3D'mso-fareast-language:EN-US'><o:p> </o:p></span></p><p = class=3DMsoNormal><span lang=3DEN-US = style=3D'mso-fareast-language:EN-US'>There can be spectral tilt (ration = of high to low frequency components) that change with distance. This = depends again on how close, and what the sound content is. As an = example, make a quick recording of a similar type of natural sound at = 10m then 10cm. You can compare the spectra to get a rough estimate of = the correction EQ. <o:p></o:p></span></p><p class=3DMsoNormal><span = lang=3DEN-US = style=3D'mso-fareast-language:EN-US'><o:p> </o:p></span></p><p = class=3DMsoNormal><span lang=3DEN-US = style=3D'mso-fareast-language:EN-US'>For binaural, there are several = useful cues like distance/frequency dependent head shadowing and = auditory parallax. For distances <1m, these are modelled rather well = in =C2=A0our research based free binaural VST plugin <a = href=3D"http://anaglyph.dalembert.upmc.fr/">http://anaglyph.dalembert.upm= c.fr/</a>. Give it a try. <o:p></o:p></span></p><p = class=3DMsoNormal><span lang=3DEN-US = style=3D'mso-fareast-language:EN-US'><o:p> </o:p></span></p><p = class=3DMsoNormal><span lang=3DEN-US = style=3D'mso-fareast-language:EN-US'>-Brian<o:p></o:p></span></p><div><p = class=3DMsoNormal><span lang=3DEN-US = style=3D'color:#1F497D'>--</span><span = lang=3DEN-US><o:p></o:p></span></p><p class=3DMsoNormal><span = lang=3DEN-US style=3D'color:#1F497D'>Brian FG Katz, Research Director, = CNRS</span><span lang=3DEN-US><o:p></o:p></span></p><p = class=3DMsoNormal><span style=3D'font-size:10.0pt;color:#1F497D'>Groupe = Lutheries - Acoustique =E2=80=93 Musique</span><o:p></o:p></p><p = class=3DMsoNormal><span = style=3D'font-size:10.0pt;color:#1F497D'>Sorbonne Universit=C3=A9, CNRS, = UMR 7190, Institut Jean Le Rond =E2=88=82'Alembert = </span><o:p></o:p></p><p class=3DMsoNormal><span = style=3D'color:#1F497D'><a = href=3D"http://www.dalembert.upmc.fr/home/katz">http://www.dalembert.upmc= .fr/home/katz</a></span><o:p></o:p></p></div><div><div><div><div><div><di= v><div><div><div><div><div><div><div><div><div><div><div><div><div><div><= div><div><p class=3DMsoNormal = style=3D'margin-bottom:12.0pt'><o:p> </o:p></p></div></div></div></d= iv></div></div></div></div></div></div></div></div></div></div></div></di= v></div></div></div></div></div></div></div></body></html> ------=_NextPart_000_03B2_01D717F2.193001A0--

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