Subject: Re: [AUDITORY] Effect of sidetone in lowering one's own voice From: Christine Rankovic <rankovic@xxxxxxxx> Date: Mon, 8 Jul 2019 10:02:56 -0400 List-Archive:<http://lists.mcgill.ca/scripts/wa.exe?LIST=AUDITORY>This is a multi-part message in MIME format. ------=_NextPart_000_0001_01D53574.50F48BE0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable A discussion of sidetone as it relates to early telephone development = can be found at: =20 https://archive.org/details/bellsystem_HistoryOfEngineeringAndScienceVol1= /page/n6 (See section on Speech Circuits, beginning on the book=E2=80=99s page = 103.) =20 G. A. Campbell, a Research Engineer at AT&T Co., was granted several = anti-sidetone patents that were filed as early as 1916. =20 Christine Rankovic =20 =20 From: AUDITORY - Research in Auditory Perception = [mailto:AUDITORY@xxxxxxxx On Behalf Of Dhurandar Singh Sent: Monday, July 01, 2019 2:03 AM To: AUDITORY@xxxxxxxx Subject: Re: Effect of sidetone in lowering one's own voice =20 Hi Deep, The paper mentioned in my previous email, Lane, H. & Tranel, B. The = Lombard sign and the role of hearing in speech. Journal of Speech, = Language and Hearing Research 14, 677 (1971), summarizes the Fletcher = effect, Lombard's papers and other early research (circa 1970) in the = area. It is a fairly long paper, but quite comprehensive.=20 Cheers, Manuj =20 =20 On Sat, Jun 29, 2019 at 6:31 AM D Sen <dsen@xxxxxxxx> wrote: Thanks Ole. (Also to Dhurandar and JJ who responded outside of the = list). =20 I am interested in the Fletcher Effect and the Lombard effect. Both of = those show variations in the speaker=E2=80=99s own voice (level, format = shifts, etc) in the presence of noise or sidetone (i.e. own voice fed = back into the ear usually through headphones). =20 Is there evidence to suggest that the Fletcher and the Lombard effect = are essentially the same effect - where the perceived SNR of the = =E2=80=98own voice=E2=80=99 is causing a level rise in the =E2=80=98own = voice=E2=80=99?=20 =20 Also, while there is evidence to suggest that =E2=80=98own = voice=E2=80=99 is raised in the presence of noise or =E2=80=98lower = feedback of the own voice through sidetone=E2=80=99, is there evidence = of lowering the voice to below nominal/ambient levels when the sidetone = is raised substantially (where in the extreme case, the speaker would be = whispering when the sidetone is played back at a high enough level). =20 Thanks, Deep On Jun 27, 2019, at 5:48 AM, Ole Adrian Heggli <oleheggli@xxxxxxxx> = wrote: =20 Hi Deep, =20 That depends on whether you are asking about a relative/absolute = decrease of pitch or amplitude? =20 Might be of interest, if it's pitch: =20 Dixon Ward, W., & Burns, E. M. (1975). Pitch performance in singing = without auditory feedback. The Journal of the Acoustical Society of = America, 58(S1), S116-S116. M=C3=BCrbe, D., Pabst, F., Hofmann, G., & Sundberg, J. (2002). = Significance of auditory and kinesthetic feedback to singers' pitch = control. Journal of Voice, 16(1), 44-51. =20 =20 =20 Cheers, Ole Adrian Heggli =20 =20 tor. 27. jun. 2019 kl. 06:21 skrev D Sen <dsen@xxxxxxxx>: Are folks aware of work that studies he lowering of one=E2=80=99s own = voice when there is feedback of their voice through side-tone (through = headphones)? Thanks, Deep =20 ------=_NextPart_000_0001_01D53574.50F48BE0 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 12 (filtered = medium)"><style><!-- /* Font Definitions */ @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:Tahoma; panose-1:2 11 6 4 3 5 4 4 2 4;} /* 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:blue; text-decoration:underline;} a:visited, span.MsoHyperlinkFollowed {mso-style-priority:99; color:purple; text-decoration:underline;} span.EmailStyle17 {mso-style-type:personal-reply; font-family:"Calibri","sans-serif"; color:#1F497D;} .MsoChpDefault {mso-style-type:export-only;} @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=3D"edit" spidmax=3D"1026" /> </xml><![endif]--><!--[if gte mso 9]><xml> <o:shapelayout v:ext=3D"edit"> <o:idmap v:ext=3D"edit" data=3D"1" /> </o:shapelayout></xml><![endif]--></head><body lang=3DEN-US link=3Dblue = vlink=3Dpurple><div class=3DWordSection1><p class=3DMsoNormal>A = discussion of sidetone as it relates to early telephone development can = be found at:<o:p></o:p></p><p class=3DMsoNormal><o:p> </o:p></p><p = class=3DMsoNormal><a = href=3D"https://archive.org/details/bellsystem_HistoryOfEngineeringAndSci= enceVol1/page/n6">https://archive.org/details/bellsystem_HistoryOfEnginee= ringAndScienceVol1/page/n6</a><o:p></o:p></p><p class=3DMsoNormal>(See = section on Speech Circuits, beginning on the book=E2=80=99s page = 103.)<o:p></o:p></p><p class=3DMsoNormal><o:p> </o:p></p><p = class=3DMsoNormal>G. A. Campbell, a Research Engineer at AT&T Co., = was granted several anti-sidetone patents that were filed as early as = 1916.<o:p></o:p></p><p class=3DMsoNormal><o:p> </o:p></p><p = class=3DMsoNormal>Christine Rankovic<o:p></o:p></p><p = class=3DMsoNormal><span = style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497= D'><o:p> </o:p></span></p><p class=3DMsoNormal><span = style=3D'font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497= D'><o:p> </o:p></span></p><div = style=3D'border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in = 0in 0in'><p class=3DMsoNormal><b><span = style=3D'font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span>= </b><span style=3D'font-size:10.0pt;font-family:"Tahoma","sans-serif"'> = AUDITORY - Research in Auditory Perception = [mailto:AUDITORY@xxxxxxxx <b>On Behalf Of </b>Dhurandar = Singh<br><b>Sent:</b> Monday, July 01, 2019 2:03 AM<br><b>To:</b> = AUDITORY@xxxxxxxx<br><b>Subject:</b> Re: Effect of sidetone in = lowering one's own voice<o:p></o:p></span></p></div><p = class=3DMsoNormal><o:p> </o:p></p><div><div><p class=3DMsoNormal>Hi = Deep,<o:p></o:p></p></div><div><p class=3DMsoNormal>The paper mentioned = in my previous email, Lane, H. & Tranel, B. The Lombard sign and the = role of hearing in speech. <i>Journal of Speech, Language and Hearing = Research</i> <b>14</b>, 677 (1971), summarizes the Fletcher effect, = Lombard's papers and other early research (circa 1970) in the area. It = is a fairly long paper, but quite comprehensive. = <o:p></o:p></p></div><div><p = class=3DMsoNormal>Cheers,<o:p></o:p></p></div><div><p = class=3DMsoNormal>Manuj <o:p></o:p></p></div></div><p = class=3DMsoNormal><o:p> </o:p></p><div><div><p class=3DMsoNormal>On = Sat, Jun 29, 2019 at 6:31 AM D Sen <<a = href=3D"mailto:dsen@xxxxxxxx">dsen@xxxxxxxx</a>> = wrote:<o:p></o:p></p></div><blockquote = style=3D'border:none;border-left:solid #CCCCCC 1.0pt;padding:0in 0in 0in = 6.0pt;margin-left:4.8pt;margin-right:0in'><div><p = class=3DMsoNormal>Thanks Ole. (Also to Dhurandar and JJ who responded = outside of the list).<o:p></o:p></p><div><p = class=3DMsoNormal><o:p> </o:p></p></div><div><p class=3DMsoNormal>I = am interested in the Fletcher Effect and the Lombard effect. Both of = those show variations in the speaker=E2=80=99s own voice (level, format = shifts, etc) in the presence of noise or sidetone (i.e. own voice fed = back into the ear usually through = headphones).<o:p></o:p></p></div><div><p = class=3DMsoNormal><o:p> </o:p></p></div><div><p = class=3DMsoNormal>Is there evidence to suggest that the Fletcher and the = Lombard effect are essentially the same effect - where the perceived SNR = of the =E2=80=98own voice=E2=80=99 is causing a level rise in the = =E2=80=98own voice=E2=80=99? <o:p></o:p></p></div><div><p = class=3DMsoNormal><o:p> </o:p></p></div><div><p = class=3DMsoNormal>Also, while there is evidence to suggest that = =E2=80=98own voice=E2=80=99 is <u>raised</u> in the presence of noise or = =E2=80=98lower feedback of the own voice through sidetone=E2=80=99, is = there evidence of <u>lowering</u> the voice to below = nominal/ambient levels when the sidetone is raised substantially (where = in the extreme case, the speaker would be whispering when the sidetone = is played back at a high enough level).<o:p></o:p></p></div><div><p = class=3DMsoNormal><o:p> </o:p></p></div><div><p = class=3DMsoNormal>Thanks,<o:p></o:p></p></div><div><p = class=3DMsoNormal>Deep<o:p></o:p></p><div><p = class=3DMsoNormal><br><br><o:p></o:p></p><div><p class=3DMsoNormal>On = Jun 27, 2019, at 5:48 AM, Ole Adrian Heggli <<a = href=3D"mailto:oleheggli@xxxxxxxx" = target=3D"_blank">oleheggli@xxxxxxxx</a>> = wrote:<o:p></o:p></p></div><p = class=3DMsoNormal><o:p> </o:p></p><div><div><p class=3DMsoNormal>Hi = Deep,<o:p></o:p></p><div><p = class=3DMsoNormal><o:p> </o:p></p></div><div><p = class=3DMsoNormal>That depends on whether you are asking about a = relative/absolute decrease of pitch or = amplitude?<o:p></o:p></p></div><div><p = class=3DMsoNormal><o:p> </o:p></p></div><div><p = class=3DMsoNormal>Might be of interest, if it's = pitch:<o:p></o:p></p></div><div><p = class=3DMsoNormal><o:p> </o:p></p></div><div><p = class=3DMsoNormal>Dixon Ward, W., & Burns, E. M. (1975). Pitch = performance in singing without auditory feedback. The Journal of the = Acoustical Society of America, 58(S1), = S116-S116.<o:p></o:p></p></div><div><p class=3DMsoNormal><span = style=3D'font-size:8.0pt;font-family:"Arial","sans-serif"'>M=C3=BCrbe, = D., Pabst, F., Hofmann, G., & Sundberg, J. (2002). Significance of = auditory and kinesthetic feedback to singers' pitch = control. <i>Journal of Voice</i>, <i>16</i>(1), = 44-51.</span> <o:p></o:p></p></div><div><p = class=3DMsoNormal><o:p> </o:p></p></div><div><p = class=3DMsoNormal><o:p> </o:p></p></div><div><p = class=3DMsoNormal>Cheers,<o:p></o:p></p></div><div><p = class=3DMsoNormal>Ole Adrian Heggli<o:p></o:p></p></div><div><p = class=3DMsoNormal><o:p> </o:p></p></div></div><p = class=3DMsoNormal><o:p> </o:p></p><div><div><p = class=3DMsoNormal>tor. 27. jun. 2019 kl. 06:21 skrev D Sen <<a = href=3D"mailto:dsen@xxxxxxxx" = target=3D"_blank">dsen@xxxxxxxx</a>>:<o:p></o:p></p></div><blockquote = style=3D'border:none;border-left:solid #CCCCCC 1.0pt;padding:0in 0in 0in = 6.0pt;margin-left:4.8pt;margin-right:0in'><p class=3DMsoNormal>Are folks = aware of work that studies he lowering of one=E2=80=99s own voice when = there is feedback of their voice through side-tone (through = headphones)?<br><br><br>Thanks,<br>Deep<o:p></o:p></p></blockquote></div>= </div></div><p = class=3DMsoNormal><o:p> </o:p></p></div></div></blockquote></div></d= iv></body></html> ------=_NextPart_000_0001_01D53574.50F48BE0--