Echo Cancelation

RS
Rohit Singh
Thu, Sep 26, 2013 3:25 PM

Hi,

I am wrking on a iOS Voip app using pjsip,
Am stuck on how to use echo cancellation, any help is appreciated.

Regards

Hi, I am wrking on a iOS Voip app using pjsip, Am stuck on how to use echo cancellation, any help is appreciated. Regards
KP
Khoa Pham
Fri, Sep 27, 2013 2:17 AM

Have you looked at Siphon, CoreAudio has built-int echo cancellation

On Thu, Sep 26, 2013 at 10:25 PM, Rohit Singh soulgamebits@gmail.comwrote:

Hi,

I am wrking on a iOS Voip app using pjsip,
Am stuck on how to use echo cancellation, any help is appreciated.

Regards


Visit our blog: http://blog.pjsip.org

pjsip mailing list
pjsip@lists.pjsip.org
http://lists.pjsip.org/mailman/listinfo/pjsip_lists.pjsip.org

--
Khoa Pham
HCMC University of Science
www.fantageek.com

Have you looked at Siphon, CoreAudio has built-int echo cancellation On Thu, Sep 26, 2013 at 10:25 PM, Rohit Singh <soulgamebits@gmail.com>wrote: > Hi, > > I am wrking on a iOS Voip app using pjsip, > Am stuck on how to use echo cancellation, any help is appreciated. > > Regards > > _______________________________________________ > Visit our blog: http://blog.pjsip.org > > pjsip mailing list > pjsip@lists.pjsip.org > http://lists.pjsip.org/mailman/listinfo/pjsip_lists.pjsip.org > > -- Khoa Pham HCMC University of Science www.fantageek.com
RS
Rohit Singh
Fri, Sep 27, 2013 8:11 AM

@Khoa i am using siphon as reference, but i am using pjsip v2.0 will it
work, If yes can you point me where to look for echo cancellation

On Fri, Sep 27, 2013 at 7:47 AM, Khoa Pham onmyway133@gmail.com wrote:

Have you looked at Siphon, CoreAudio has built-int echo cancellation

On Thu, Sep 26, 2013 at 10:25 PM, Rohit Singh soulgamebits@gmail.comwrote:

Hi,

I am wrking on a iOS Voip app using pjsip,
Am stuck on how to use echo cancellation, any help is appreciated.

Regards


Visit our blog: http://blog.pjsip.org

pjsip mailing list
pjsip@lists.pjsip.org
http://lists.pjsip.org/mailman/listinfo/pjsip_lists.pjsip.org

@Khoa i am using siphon as reference, but i am using pjsip v2.0 will it work, If yes can you point me where to look for echo cancellation On Fri, Sep 27, 2013 at 7:47 AM, Khoa Pham <onmyway133@gmail.com> wrote: > Have you looked at Siphon, CoreAudio has built-int echo cancellation > > > On Thu, Sep 26, 2013 at 10:25 PM, Rohit Singh <soulgamebits@gmail.com>wrote: > >> Hi, >> >> I am wrking on a iOS Voip app using pjsip, >> Am stuck on how to use echo cancellation, any help is appreciated. >> >> Regards >> >> _______________________________________________ >> Visit our blog: http://blog.pjsip.org >> >> pjsip mailing list >> pjsip@lists.pjsip.org >> http://lists.pjsip.org/mailman/listinfo/pjsip_lists.pjsip.org >> >> > > > -- > Khoa Pham > HCMC University of Science > www.fantageek.com > > _______________________________________________ > Visit our blog: http://blog.pjsip.org > > pjsip mailing list > pjsip@lists.pjsip.org > http://lists.pjsip.org/mailman/listinfo/pjsip_lists.pjsip.org > >
KP
Khoa Pham
Fri, Oct 4, 2013 8:34 AM

@Rohit

For a basic usage of Echo Cancellation, see this usage from Speex
http://www.speex.org/docs/manual/speex-manual/node7.html#SECTION00740000000000000000

Then open pjmedia/sound_port.c because pjsip implements Echo Cancellation
as part of Sound Port
Look for echo_playback() in play_cb() and echo_capture() in rec_cb()

On Fri, Sep 27, 2013 at 3:11 PM, Rohit Singh soulgamebits@gmail.com wrote:

@Khoa i am using siphon as reference, but i am using pjsip v2.0 will it
work, If yes can you point me where to look for echo cancellation

On Fri, Sep 27, 2013 at 7:47 AM, Khoa Pham onmyway133@gmail.com wrote:

Have you looked at Siphon, CoreAudio has built-int echo cancellation

On Thu, Sep 26, 2013 at 10:25 PM, Rohit Singh soulgamebits@gmail.comwrote:

Hi,

I am wrking on a iOS Voip app using pjsip,
Am stuck on how to use echo cancellation, any help is appreciated.

Regards


Visit our blog: http://blog.pjsip.org

pjsip mailing list
pjsip@lists.pjsip.org
http://lists.pjsip.org/mailman/listinfo/pjsip_lists.pjsip.org

--
Khoa Pham
HCMC University of Science
www.fantageek.com

@Rohit For a basic usage of Echo Cancellation, see this usage from Speex http://www.speex.org/docs/manual/speex-manual/node7.html#SECTION00740000000000000000 Then open pjmedia/sound_port.c because pjsip implements Echo Cancellation as part of Sound Port Look for echo_playback() in play_cb() and echo_capture() in rec_cb() On Fri, Sep 27, 2013 at 3:11 PM, Rohit Singh <soulgamebits@gmail.com> wrote: > @Khoa i am using siphon as reference, but i am using pjsip v2.0 will it > work, If yes can you point me where to look for echo cancellation > > > On Fri, Sep 27, 2013 at 7:47 AM, Khoa Pham <onmyway133@gmail.com> wrote: > >> Have you looked at Siphon, CoreAudio has built-int echo cancellation >> >> >> On Thu, Sep 26, 2013 at 10:25 PM, Rohit Singh <soulgamebits@gmail.com>wrote: >> >>> Hi, >>> >>> I am wrking on a iOS Voip app using pjsip, >>> Am stuck on how to use echo cancellation, any help is appreciated. >>> >>> Regards >>> >>> _______________________________________________ >>> Visit our blog: http://blog.pjsip.org >>> >>> pjsip mailing list >>> pjsip@lists.pjsip.org >>> http://lists.pjsip.org/mailman/listinfo/pjsip_lists.pjsip.org >>> >>> >> >> >> -- >> Khoa Pham >> HCMC University of Science >> www.fantageek.com >> >> _______________________________________________ >> Visit our blog: http://blog.pjsip.org >> >> pjsip mailing list >> pjsip@lists.pjsip.org >> http://lists.pjsip.org/mailman/listinfo/pjsip_lists.pjsip.org >> >> > > _______________________________________________ > Visit our blog: http://blog.pjsip.org > > pjsip mailing list > pjsip@lists.pjsip.org > http://lists.pjsip.org/mailman/listinfo/pjsip_lists.pjsip.org > > -- Khoa Pham HCMC University of Science www.fantageek.com