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</o:shapelayout></xml><![endif]--></head><body lang=DE link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;mso-fareast-language:EN-US'>Hi Felica,<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri",sans-serif;mso-fareast-language:EN-US'>yes, this is the only reason to have larger frames is on bandwidth limited links having a gross (physical) bit rates of 10kbps per channel.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri",sans-serif;mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri",sans-serif;mso-fareast-language:EN-US'>Decades ago I calculated with figure (for AMR-NB but the same holds for Opus).<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri",sans-serif;mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal><img width=355 height=296 style='width:3.7in;height:3.0833in' id="Grafik_x0020_1" src="cid:image003.jpg@01D1C33B.CF435C00"><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri",sans-serif;mso-fareast-language:EN-US'><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri",sans-serif;mso-fareast-language:EN-US'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri",sans-serif;mso-fareast-language:EN-US'>https://www.tkn.tu-berlin.de/fileadmin/fg112/Hard_Software_Components/Software/hoene_07_2004_paper.pdf<o:p></o:p></span></p><p class=MsoNormal><a name="_MailEndCompose"><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri",sans-serif;mso-fareast-language:EN-US'><o:p> </o:p></span></a></p><span style='mso-bookmark:_MailEndCompose'></span><p class=MsoNormal><b><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'>Von:</span></b><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'> Felicia Lim [mailto:flim@google.com] <br><b>Gesendet:</b> Freitag, 10. Juni 2016 16:59<br><b>An:</b> Christian Hoene <christian.hoene@symonics.com><br><b>Betreff:</b> Re: [opus] Patches for adding 120 ms encoding<o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p><div><div><p class=MsoNormal>Yes, that's right. In that case, a longer frame size means that we can reduce header overhead.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><div><div><p class=MsoNormal>On Fri, Jun 10, 2016 at 4:45 PM Christian Hoene <<a href="mailto:christian.hoene@symonics.com">christian.hoene@symonics.com</a>> wrote:<o:p></o:p></p></div><blockquote style='border:none;border-left:solid #CCCCCC 1.0pt;padding:0cm 0cm 0cm 6.0pt;margin-left:4.8pt;margin-right:0cm'><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri",sans-serif'>Hello Felicia,</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri",sans-serif'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri",sans-serif'>what are the reason to support 120 ms frame sizes? Links with a very low throughput?</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri",sans-serif'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri",sans-serif'>With best regards,</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri",sans-serif'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri",sans-serif'>Christian Hoene</span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri",sans-serif'> </span><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><a name="m_-5312773317008913296__MailEndCompose"><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri",sans-serif'> </span></a><o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri",sans-serif'>Von:</span></b><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri",sans-serif'> opus [mailto:<a href="mailto:opus-bounces@xiph.org" target="_blank">opus-bounces@xiph.org</a>] <b>Im Auftrag von </b>Felicia Lim<br><b>Gesende</b></span><b><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'>t:</span></b><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'> Freitag, 10. Juni 2016 16:19<br><b>An:</b> Jean-Marc Valin <<a href="mailto:jmvalin@jmvalin.ca" target="_blank">jmvalin@jmvalin.ca</a>>; <a href="mailto:opus@xiph.org" target="_blank">opus@xiph.org</a><br><b>Betreff:</b> Re: [opus] Patches for adding 120 ms encoding</span><o:p></o:p></p></div></div><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Hi, I wondered if are there any further thoughts on these patches? <o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Thanks,<o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Felicia<o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p></div><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>On Thu, Jun 2, 2016 at 2:13 PM Felicia Lim <<a href="mailto:flim@google.com" target="_blank">flim@google.com</a>> wrote:<o:p></o:p></p></div><blockquote style='border:none;border-left:solid #CCCCCC 1.0pt;padding:0cm 0cm 0cm 6.0pt;margin-left:4.8pt;margin-top:5.0pt;margin-right:0cm;margin-bottom:5.0pt'><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>OK, I've amended the second patch and also added 80 and 100 ms. <o:p></o:p></p><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p></div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Thanks, <o:p></o:p></p></div></div><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Felicia<o:p></o:p></p></div></div><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;margin-bottom:12.0pt'> <o:p></o:p></p><div><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>On Thu, Jun 2, 2016 at 7:20 AM Jean-Marc Valin <<a href="mailto:jmvalin@jmvalin.ca" target="_blank">jmvalin@jmvalin.ca</a>> wrote:<o:p></o:p></p></div><blockquote style='border:none;border-left:solid #CCCCCC 1.0pt;padding:0cm 0cm 0cm 6.0pt;margin-left:4.8pt;margin-top:5.0pt;margin-right:0cm;margin-bottom:5.0pt'><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>On 06/01/2016 02:06 PM, Felicia Lim wrote:<br>> That was my intention with refactoring out the subframe encoding and<br>> repacketizing bit. Or do you mean I should merge the explicit check for<br>> 120 ms frame and the existing checks for 40/60 ms wideband?<br><br>What I mean is that this line in opus_encoder.c:<br><br>if (frame_size > st->Fs/50 && (st->mode == MODE_CELT_ONLY ||<br>st->bandwidth > OPUS_BANDWIDTH_WIDEBAND))<br><br>can probably be extended to also cover 80/100/120 ms. One difference is<br>that it would also need to trigger for SILK-only > 60 ms.<br><br>Cheers,<br><br> Jean-Marc<o:p></o:p></p></blockquote></div></div></div></blockquote></div></div></div></div></blockquote></div></div></div></div></body></html>