Hi Ming - SOLVED :-) I just switched to OS SDK 3.2 and it works like a charm (amazing how fantastic the h/w echo canceller is). The problem was SDK 4.0.x. Let me know your location and I'll send you a case of your favorite beer :-) I spent countless hours trying to figure this one out On Mon, Aug 23, 2010 at 11:51 AM, Rob Wilkes <wilkrob at gmail.com> wrote: > Hi Sauw, just to confirm - this issue is happening when I switch to > speakerphone. There is no remote echo when in normal mode. > Hmmmmm - let me install this software on a 3G and test. I am testing on an > iphone 4 running ios 4.0.2. Can you confirm you are talking about speaker > phone mode? > > > On Mon, Aug 23, 2010 at 11:48 AM, Sauw Ming <ming at teluu.com> wrote: > >> Hi Rob, >> >> Yes, it is. I tried using SDK 3.2 on an iPhone 2G running iOS 3.1.2 >> and SDK 4 on an iPhone 3GS running iOS 4.0.2 and the echo suppressor >> seemed to work fine. So honestly, I don't know what may have caused >> the echo suppressor not working on your side, but my guess is it may >> be due to the SDK and iOS compatibility issue (there was a report that >> echo cancellation doesn't work using SDK 4 on an iPad running iOS 3.x >> but works fine using SDK 3.x). >> >> Regards, >> Ming >> >> On Mon, Aug 23, 2010 at 7:06 PM, Rob Wilkes <wilkrob at gmail.com> wrote: >> > Hi Ming, >> > here is what my debugger says >> > 2010-08-23 07:04:22.138 Sample[5220:307] VALUE OF PJMEDIA_AUD_DEV_CAP_EC >> 512 >> > I assume that means coreaudio vp IO unit is being used? >> > >> > On Sun, Aug 22, 2010 at 11:11 PM, Sauw Ming <ming at teluu.com> wrote: >> >> >> >> Hi Rob, >> >> >> >> Yes, on iOS, coreaudio is enabled by default. And we use the Voice >> >> Processing I/O unit, doc: >> >> >> >> >> http://developer.apple.com/iphone/library/documentation/Audio/Conceptual/AudioUnitLoadingGuide_iPhoneOS/System-SuppliedAudioUnitsiniPhoneOS/System-SuppliedAudioUnitsiniPhoneOS.html >> ), >> >> which has built-in echo suppressor. You can try reading the setting >> >> PJMEDIA_AUD_DEV_CAP_EC to confirm whether the coreaudio is indeed >> >> using Voice Processing IO unit. >> >> >> >> Best regards, >> >> Ming >> >> >> >> On Mon, Aug 23, 2010 at 1:50 AM, Rob Wilkes <wilkrob at gmail.com> wrote: >> >> > Hi Ming, does coreaudio get enabled by default in 1.7? I am using 1.7 >> >> > >> >> > On Sun, Aug 22, 2010 at 8:29 AM, Sauw Ming <ming at teluu.com> wrote: >> >> >> >> >> >> Hi Alejandro, >> >> >> >> >> >> You can use pjsip 1.7 and use the coreaudio backend. >> >> >> >> >> >> Regards, >> >> >> Ming >> >> >> >> >> >> On Fri, Aug 20, 2010 at 8:08 PM, Alejandro Orellana >> >> >> <alejandro.orellana at savantav.com> wrote: >> >> >> > All >> >> >> > Actually i am observing the same using pjsip 1.6. >> >> >> > in looking the logs don't see anything related to echo canceling. >> >> >> > how can i enable the speex echo cancellation or the echo >> suppressor >> >> >> > for >> >> >> > the >> >> >> > iOS ? >> >> >> > is it recommended to use either of the above approaches? or the >> core >> >> >> > audio >> >> >> > backend is the recommended one? >> >> >> > Thanks in advance >> >> >> > On Aug 20, 2010, at 1:03 AM, Sauw Ming wrote: >> >> >> > >> >> >> > Hi Rob, >> >> >> > >> >> >> > Which version of iOS SDK and which version of iOS that you are >> using? >> >> >> > If you're using iOS SDK 4, did the same problem also happen when >> >> >> > you're using the SDK 3.x? >> >> >> > >> >> >> > Regards, >> >> >> > Ming >> >> >> > >> >> >> > On Thu, Aug 19, 2010 at 3:56 AM, Rob Wilkes <wilkrob at gmail.com> >> >> >> > wrote: >> >> >> > >> >> >> > Hi, here is the code I am using to switch to loudspeaker on the >> >> >> > iphone >> >> >> > >> >> >> > pjmedia_aud_dev_route route = PJMEDIA_AUD_DEV_ROUTE_LOUDSPEAKER; >> >> >> > >> >> >> > pj_status_t status; >> >> >> > >> >> >> > pjsua_set_ec (PJSUA_DEFAULT_EC_TAIL_LEN,0); >> >> >> > >> >> >> > status = pjsua_snd_set_setting(PJMEDIA_AUD_DEV_CAP_OUTPUT_ROUTE, >> >> >> > >> >> >> > &route, PJ_TRUE); >> >> >> > >> >> >> > pjsua_set_ec (PJSUA_DEFAULT_EC_TAIL_LEN,0); >> >> >> > >> >> >> > I just added the pjsua_set_ec both before and after to see if it >> >> >> > makes a >> >> >> > >> >> >> > difference. The remote party is still hearing his own voice back >> loud >> >> >> > and >> >> >> > >> >> >> > clear. >> >> >> > >> >> >> > Can anyone suggest what I may be doing wrong? >> >> >> > >> >> >> > On Wed, Aug 18, 2010 at 11:46 AM, Rob Wilkes <wilkrob at gmail.com> >> >> >> > wrote: >> >> >> > >> >> >> > Hi, I am running PJSIP 1.7 on an iphone (3GS as well as 4). I >> checked >> >> >> > out >> >> >> > >> >> >> > the trunk today and built it exactly as per specs. When I make a >> call >> >> >> > and >> >> >> > >> >> >> > switch the iphone to speaker mode, the remote party hears his/her >> own >> >> >> > voice >> >> >> > >> >> >> > back very prominently. According to the release notes of 1.7, it >> >> >> > should >> >> >> > be >> >> >> > >> >> >> > using the iphone's native echo canceller and this should not be >> >> >> > happening >> >> >> > >> >> >> > (or, atleast, the remote echo should not be so prominent). Is >> there >> >> >> > any >> >> >> > >> >> >> > additional setting I need to do? >> >> >> > >> >> >> > I assume 1.7's audio driver should already be doing what the >> >> >> > >> >> >> > old http://code.google.com/p/pjsip-iphone-audio-driver/ effort >> did. >> >> >> > Is >> >> >> > that >> >> >> > >> >> >> > correct? (since this was created for older versions of JPJSIP and >> >> >> > PJSIP >> >> >> > has >> >> >> > >> >> >> > evolved since) >> >> >> > >> >> >> > thx >> >> >> > >> >> >> > >> >> >> > >> >> >> > _______________________________________________ >> >> >> > >> >> >> > Visit our blog: http://blog.pjsip.org >> >> >> > >> >> >> > pjsip mailing list >> >> >> > >> >> >> > pjsip at lists.pjsip.org >> >> >> > >> >> >> > http://lists.pjsip.org/mailman/listinfo/pjsip_lists.pjsip.org >> >> >> > >> >> >> > >> >> >> > >> >> >> > _______________________________________________ >> >> >> > Visit our blog: http://blog.pjsip.org >> >> >> > >> >> >> > pjsip mailing list >> >> >> > pjsip at lists.pjsip.org >> >> >> > http://lists.pjsip.org/mailman/listinfo/pjsip_lists.pjsip.org >> >> >> > >> >> >> > ------ >> >> >> > Alejandro Orellana >> >> >> > Savant Systems, LLC >> >> >> > 770 Main Street >> >> >> > Osterville, Ma. 02655 >> >> >> > (508) 683-2547 (W) >> >> >> > (508) 683-2647 (F) >> >> >> > Alejandro.Orellana at savantav.com >> >> >> > Statement of Confidentiality >> >> >> > The contents of this e-mail message and any attachments are >> >> >> > confidential >> >> >> > and >> >> >> > are intended solely for the addressee. The information may also be >> >> >> > legally >> >> >> > privileged. This transmission is sent in trust, and the sole >> purpose >> >> >> > of >> >> >> > delivery to the intended recipient. If you have received this >> >> >> > transmission >> >> >> > in error, any use, reproduction or dissemination of this >> transmission >> >> >> > is >> >> >> > strictly prohibited. If you are not the intended recipient, please >> >> >> > immediately notify the sender by reply e-mail or at 508.683-2500 >> and >> >> >> > delete >> >> >> > this message and its attachments, if any. >> >> >> > >> >> >> > >> >> >> > >> >> >> > _______________________________________________ >> >> >> > Visit our blog: http://blog.pjsip.org >> >> >> > >> >> >> > pjsip mailing list >> >> >> > pjsip at lists.pjsip.org >> >> >> > http://lists.pjsip.org/mailman/listinfo/pjsip_lists.pjsip.org >> >> >> > >> >> >> > >> >> >> >> >> >> _______________________________________________ >> >> >> Visit our blog: http://blog.pjsip.org >> >> >> >> >> >> pjsip mailing list >> >> >> pjsip at lists.pjsip.org >> >> >> http://lists.pjsip.org/mailman/listinfo/pjsip_lists.pjsip.org >> >> > >> >> > >> >> > _______________________________________________ >> >> > Visit our blog: http://blog.pjsip.org >> >> > >> >> > pjsip mailing list >> >> > pjsip at lists.pjsip.org >> >> > http://lists.pjsip.org/mailman/listinfo/pjsip_lists.pjsip.org >> >> > >> >> > >> >> >> >> _______________________________________________ >> >> Visit our blog: http://blog.pjsip.org >> >> >> >> pjsip mailing list >> >> pjsip at lists.pjsip.org >> >> http://lists.pjsip.org/mailman/listinfo/pjsip_lists.pjsip.org >> > >> > >> > _______________________________________________ >> > Visit our blog: http://blog.pjsip.org >> > >> > pjsip mailing list >> > pjsip at lists.pjsip.org >> > http://lists.pjsip.org/mailman/listinfo/pjsip_lists.pjsip.org >> > >> > >> >> _______________________________________________ >> Visit our blog: http://blog.pjsip.org >> >> pjsip mailing list >> pjsip at lists.pjsip.org >> http://lists.pjsip.org/mailman/listinfo/pjsip_lists.pjsip.org >> > > -------------- next part -------------- An HTML attachment was scrubbed... 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