Re: [Ekiga-list] echo canceller
What do you mean with "silence suppression"? I couldnt find it. If it is "Echo-Unterdrückung aktivieren", then I have there a hook already but it doesnt help. Br jm Damien Sandras schrieb: Le dimanche 11 janvier 2009 à 17:39 +0100, Konrad Karl a écrit : On Sat, Jan 10, 2009 at 10:02:16PM +0100, Damien Sandras wrote: Le samedi 10 janvier 2009 ?? 13:05 +0100, Judith Meili a ??crit : I have no echo problems with skype but with Ekiga there is a big echo and the receivers of my calls complain. Is there no way to get rid of this echo? Use Skype or buy a headset. There may be better solutions... Below is a copy of a post I sent to this list about half a year ago (unfortunately I received zero comments :-( ) The skype "echo suppression" seems to work surprisingly well in practice. My brother-in-law is making frequently calls using skype and told me that both parties just use no headset, just the webcam mike and normal speakers and there is almost no echo noticeable. still interested in comments, have very little time for research now unfortunately but this may improve. Greetings, Konrad Hi, recently I have been forced to use skype and discovered that they have a quite well working echo suppressor. (my vis-a-vis used no headset, only normal speakers and the microphone from the Logitech QuickCam pro 9000) I think the algorithm skype uses is quite simple: whenever sound is coming from the other party and being output they just mute the mike. Sometimes there are audible artifacts but it much better than nothing. While I did not know about the pc speakers I was thinking she/he used a head set until being told thats a simple speaker. This means that its not easy to interrupt the vis-a-vis while she/he is speaking w/o pauses, skype seems to use a rather short time constant for muting the mike. Perhaps there could be some audio threshold above which the microphone could be enabled unconditionally so some loud speak will make it to the other party. I did not try with both parties using speakers so far, perhaps this is asking for trouble... Comments welcome. Wouldn't you get the same result if you enable silence suppression in Ekiga ? ___ ekiga-list mailing list ekiga-list@gnome.org http://mail.gnome.org/mailman/listinfo/ekiga-list
Re: [Ekiga-list] echo canceller
On Sun, Jan 11, 2009 at 10:53:43PM +0100, Damien Sandras wrote: > Le dimanche 11 janvier 2009 ?? 17:39 +0100, Konrad Karl a ??crit : > > On Sat, Jan 10, 2009 at 10:02:16PM +0100, Damien Sandras wrote: > > > Le samedi 10 janvier 2009 ?? 13:05 +0100, Judith Meili a ??crit : ... > > Perhaps there could be some audio threshold above which the > > microphone could be enabled unconditionally so some loud > > speak will make it to the other party. > > > > I did not try with both parties using speakers so far, perhaps this > > is asking for trouble... > > > > Comments welcome. > > > > Wouldn't you get the same result if you enable silence suppression in > Ekiga ? I think this won't help. If I enable silence suppression then transmission stops if the backgroud noise is below a certain level (pls correct me if I am wrong, just guessing from a few experiments some days ago) If you use no headset then the audio from the speakers will find its way into the mike with sufficient level to produce very noticeable echos. My guess about skype behavior is that skype just reduces mic gain (or even mutes it completely) whenever sound is being output from skype to the external speaker(s). Thus it may be difficult to interrupt a speaker who makes little pauses but my impresson was that skype behaves much like a normal desktop speakerphone if used w/o headset and there were only little audible artifacts, mostly if both parties began to speak at about the same time. One of them would "win" in this scenario. Greetings, Konrad > -- > _ Damien Sandras > (o- > //\Ekiga Softphone : http://www.ekiga.org/ > v_/_ Be IP : http://www.beip.be/ >FOSDEM : http://www.fosdem.org/ >SIP Phone : sip:dsand...@ekiga.net > > > ___ > ekiga-list mailing list > ekiga-list@gnome.org > http://mail.gnome.org/mailman/listinfo/ekiga-list ___ ekiga-list mailing list ekiga-list@gnome.org http://mail.gnome.org/mailman/listinfo/ekiga-list
Re: [Ekiga-list] echo canceller
Le dimanche 11 janvier 2009 à 17:39 +0100, Konrad Karl a écrit : > On Sat, Jan 10, 2009 at 10:02:16PM +0100, Damien Sandras wrote: > > Le samedi 10 janvier 2009 ?? 13:05 +0100, Judith Meili a ??crit : > > > I have no echo problems with skype but with Ekiga there is a big echo > > > and the receivers of my calls complain. Is there no way to get rid of > > > this echo? > > > > > > > Use Skype or buy a headset. > > There may be better solutions... > > Below is a copy of a post I sent to this list about half a year ago > (unfortunately I received zero comments :-( ) > > The skype "echo suppression" seems to work surprisingly well in > practice. My brother-in-law is making frequently calls using > skype and told me that both parties just use no headset, just > the webcam mike and normal speakers and there is almost no > echo noticeable. > > still interested in comments, have very little time for research > now unfortunately but this may improve. > > Greetings, > Konrad > > Hi, > > recently I have been forced to use skype and discovered that they > have a quite well working echo suppressor. (my vis-a-vis used no > headset, only normal speakers and the microphone from the Logitech > QuickCam pro 9000) > > I think the algorithm skype uses is quite simple: whenever sound > is coming from the other party and being output they just mute the > mike. Sometimes there are audible artifacts but it much better than > nothing. While I did not know about the pc speakers I was thinking > she/he used a head set until being told thats a simple speaker. > > This means that its not easy to interrupt the vis-a-vis > while she/he is speaking w/o pauses, skype seems to use a rather > short time constant for muting the mike. > > Perhaps there could be some audio threshold above which the > microphone could be enabled unconditionally so some loud > speak will make it to the other party. > > I did not try with both parties using speakers so far, perhaps this > is asking for trouble... > > Comments welcome. > Wouldn't you get the same result if you enable silence suppression in Ekiga ? -- _ Damien Sandras (o- //\Ekiga Softphone : http://www.ekiga.org/ v_/_ Be IP : http://www.beip.be/ FOSDEM : http://www.fosdem.org/ SIP Phone : sip:dsand...@ekiga.net ___ ekiga-list mailing list ekiga-list@gnome.org http://mail.gnome.org/mailman/listinfo/ekiga-list
Re: [Ekiga-list] echo canceller
> Hi Palo > > In Playback I can lower Surround, Center, LFE and in mic I can lower Mux > and Mux1. It didnt help. Then it is probably really the difference between the Skype echo cancelling and Ekiga echo cancelling. Skype works better for you. > Very good Konrad. So where do I have to do a click so that the micro is > muted when my vis-a-vis speaks? There is no such thing, Ekiga simply uses different echo cancelling. It can appear in Ekiga if somebody implements Skype-like cancelling to Ekiga BTW I had the same feeling from Skype echo cancelling as Konrad mentions, ie that it muted the mic when the other side was talking. Personally I prefer Ekiga canceller because in Skype I had sometimes problems to interrupt the other side and it lead to some voice choppiness. Using separate microphone though. May be different otherwise. > By the way I use Ekiga only to make calls from pc to phone and I use > Skype only to make calls from pc to pc. If you use Ekiga to make pc to phone calls then it would certainly make sense to use a headset. My setup is a separate sound device with headset for pc->phone calls and separate sound device without headset for pc->pc phones via Ekiga and all works fine. P. > > > Palo S. schrieb: > > - Originálna Správa - > > Od: Judith Meili > > Komu: Ekiga mailing list > > Poslaná: 10.01.2009 14:24 > > Predmet: Re: [Ekiga-list] echo canceller > > > > >>> If I lower the microphone, the people tell me that they cannot hear me > >> anymore because my voice is too low. I dont want an extern microphone. > >> Thats not convenient. Echo canceller in Ekiga is activated with a hook. > >> > >> What do you mean by \\\"disable mic boost, put mic out to 0\\\"? > >> > > > > These are the names of channels. You can try to open > > eg alsamixer and mute/lower all microphone related > > channels in \\\"Playback\\\" card (the capture level of > > microphone is under \\\"Capture\\\" card, muting mic for > > playback does not affect your voice transmitted to > > the others but affects the echo). Skype automatically > > adjusts the channels levels so that might be the > > reason why you have lower echo with it. And might > > not. > > > > P. > > > > >>> It says in Audio-Codecs \\\"Jitter-Puffer is between 20 and 500 ms > >> automatically.\\\" What does it mean? > >> > >> Palo S. schrieb: > >> > >>> several possibilities: > >>> external microphone > >>> headphones > >>> audio channels settings (disable mic boost, > >>> put mic out to 0, lower mic record) > >>> have you tried echo canceller in Ekiga? > >>> > >>> P. > >>> > >>> > >>> - Originálna Správa - > >>> Od: Judith Meili > >>> Komu: Ekiga mailing list > >>> Poslaná: 10.01.2009 13:05 > >>> Predmet: [Ekiga-list] echo canceller > >>> > >>> >>>> >>>>> I have no echo problems with skype but with Ekiga there is a big > echo > >>>> and the receivers of my calls complain. Is there no way to get rid of > >>>> this echo? > >>>> > >>>> Br > >>>> jm > >>>> ___ > >>>> ekiga-list mailing list > >>>> ekiga-list@gnome.org > >>>> http://mail.gnome.org/mailman/listinfo/ekiga-list > >>>> > >>>> > >>>> > >>> __ > >>> http://kultura.sme.sk/ - Informačný server o kultúre a šoubiznise > >>> > >>> > >>> ___ > >>> ekiga-list mailing list > >>> ekiga-list@gnome.org > >>> http://mail.gnome.org/mailman/listinfo/ekiga-list > >>> > >>> >>>> >>> ___ > >> ekiga-list mailing list > >> ekiga-list@gnome.org > >> http://mail.gnome.org/mailman/listinfo/ekiga-list > >> > > > > > > __ > > http://sport.sme.sk - Najkomplexnejšie informácie zo športu > > > > > > ___ > > ekiga-list mailing list > > ekiga-list@gnome.org > > http://mail.gnome.org/mailman/listinfo/ekiga-list > > > > >___ > ekiga-list mailing list > ekiga-list@gnome.org > http://mail.gnome.org/mailman/listinfo/ekiga-list > __ http://www.pnp.sk - pridajte svoje fotky na PaciNepaci ___ ekiga-list mailing list ekiga-list@gnome.org http://mail.gnome.org/mailman/listinfo/ekiga-list
Re: [Ekiga-list] echo canceller
Hi Palo In Playback I can lower Surround, Center, LFE and in mic I can lower Mux and Mux1. It didnt help. Palo S. schrieb: - Originálna Správa - Od: Judith Meili Komu: Ekiga mailing list Poslaná: 10.01.2009 14:24 Predmet: Re: [Ekiga-list] echo canceller If I lower the microphone, the people tell me that they cannot hear me anymore because my voice is too low. I dont want an extern microphone. Thats not convenient. Echo canceller in Ekiga is activated with a hook. What do you mean by \"disable mic boost, put mic out to 0\"? These are the names of channels. You can try to open eg alsamixer and mute/lower all microphone related channels in \"Playback\" card (the capture level of microphone is under \"Capture\" card, muting mic for playback does not affect your voice transmitted to the others but affects the echo). Skype automatically adjusts the channels levels so that might be the reason why you have lower echo with it. And might not. P. It says in Audio-Codecs \"Jitter-Puffer is between 20 and 500 ms automatically.\" What does it mean? Palo S. schrieb: several possibilities: external microphone headphones audio channels settings (disable mic boost, put mic out to 0, lower mic record) have you tried echo canceller in Ekiga? P. - Originálna Správa - Od: Judith Meili Komu: Ekiga mailing list Poslaná: 10.01.2009 13:05 Predmet: [Ekiga-list] echo canceller I have no echo problems with skype but with Ekiga there is a big echo and the receivers of my calls complain. Is there no way to get rid of this echo? Br jm ___ ekiga-list mailing list ekiga-list@gnome.org http://mail.gnome.org/mailman/listinfo/ekiga-list __ http://kultura.sme.sk/ - Informačný server o kultúre a šoubiznise ___ ekiga-list mailing list ekiga-list@gnome.org http://mail.gnome.org/mailman/listinfo/ekiga-list ___ ekiga-list mailing list ekiga-list@gnome.org http://mail.gnome.org/mailman/listinfo/ekiga-list __ http://sport.sme.sk - Najkomplexnejšie informácie zo športu ___ ekiga-list mailing list ekiga-list@gnome.org http://mail.gnome.org/mailman/listinfo/ekiga-list ___ ekiga-list mailing list ekiga-list@gnome.org http://mail.gnome.org/mailman/listinfo/ekiga-list
Re: [Ekiga-list] echo canceller
Very good Konrad. So where do I have to do a click so that the micro is muted when my vis-a-vis speaks? By the way I use Ekiga only to make calls from pc to phone and I use Skype only to make calls from pc to pc. Br jm Konrad Karl schrieb: On Sat, Jan 10, 2009 at 10:02:16PM +0100, Damien Sandras wrote: Le samedi 10 janvier 2009 ?? 13:05 +0100, Judith Meili a ??crit : I have no echo problems with skype but with Ekiga there is a big echo and the receivers of my calls complain. Is there no way to get rid of this echo? Use Skype or buy a headset. There may be better solutions... Below is a copy of a post I sent to this list about half a year ago (unfortunately I received zero comments :-( ) The skype "echo suppression" seems to work surprisingly well in practice. My brother-in-law is making frequently calls using skype and told me that both parties just use no headset, just the webcam mike and normal speakers and there is almost no echo noticeable. still interested in comments, have very little time for research now unfortunately but this may improve. Greetings, Konrad Hi, recently I have been forced to use skype and discovered that they have a quite well working echo suppressor. (my vis-a-vis used no headset, only normal speakers and the microphone from the Logitech QuickCam pro 9000) I think the algorithm skype uses is quite simple: whenever sound is coming from the other party and being output they just mute the mike. Sometimes there are audible artifacts but it much better than nothing. While I did not know about the pc speakers I was thinking she/he used a head set until being told thats a simple speaker. This means that its not easy to interrupt the vis-a-vis while she/he is speaking w/o pauses, skype seems to use a rather short time constant for muting the mike. Perhaps there could be some audio threshold above which the microphone could be enabled unconditionally so some loud speak will make it to the other party. I did not try with both parties using speakers so far, perhaps this is asking for trouble... Comments welcome. -- _ Damien Sandras (o- //\Ekiga Softphone : http://www.ekiga.org/ v_/_ Be IP : http://www.beip.be/ FOSDEM : http://www.fosdem.org/ SIP Phone : sip:dsand...@ekiga.net ___ ekiga-list mailing list ekiga-list@gnome.org http://mail.gnome.org/mailman/listinfo/ekiga-list ___ ekiga-list mailing list ekiga-list@gnome.org http://mail.gnome.org/mailman/listinfo/ekiga-list ___ ekiga-list mailing list ekiga-list@gnome.org http://mail.gnome.org/mailman/listinfo/ekiga-list
Re: [Ekiga-list] echo canceller
On Sat, Jan 10, 2009 at 10:02:16PM +0100, Damien Sandras wrote: > Le samedi 10 janvier 2009 ?? 13:05 +0100, Judith Meili a ??crit : > > I have no echo problems with skype but with Ekiga there is a big echo > > and the receivers of my calls complain. Is there no way to get rid of > > this echo? > > > > Use Skype or buy a headset. There may be better solutions... Below is a copy of a post I sent to this list about half a year ago (unfortunately I received zero comments :-( ) The skype "echo suppression" seems to work surprisingly well in practice. My brother-in-law is making frequently calls using skype and told me that both parties just use no headset, just the webcam mike and normal speakers and there is almost no echo noticeable. still interested in comments, have very little time for research now unfortunately but this may improve. Greetings, Konrad Hi, recently I have been forced to use skype and discovered that they have a quite well working echo suppressor. (my vis-a-vis used no headset, only normal speakers and the microphone from the Logitech QuickCam pro 9000) I think the algorithm skype uses is quite simple: whenever sound is coming from the other party and being output they just mute the mike. Sometimes there are audible artifacts but it much better than nothing. While I did not know about the pc speakers I was thinking she/he used a head set until being told thats a simple speaker. This means that its not easy to interrupt the vis-a-vis while she/he is speaking w/o pauses, skype seems to use a rather short time constant for muting the mike. Perhaps there could be some audio threshold above which the microphone could be enabled unconditionally so some loud speak will make it to the other party. I did not try with both parties using speakers so far, perhaps this is asking for trouble... Comments welcome. > -- > _ Damien Sandras > (o- > //\Ekiga Softphone : http://www.ekiga.org/ > v_/_ Be IP : http://www.beip.be/ >FOSDEM : http://www.fosdem.org/ >SIP Phone : sip:dsand...@ekiga.net > > > ___ > ekiga-list mailing list > ekiga-list@gnome.org > http://mail.gnome.org/mailman/listinfo/ekiga-list ___ ekiga-list mailing list ekiga-list@gnome.org http://mail.gnome.org/mailman/listinfo/ekiga-list
Re: [Ekiga-list] echo canceller
Le samedi 10 janvier 2009 à 13:05 +0100, Judith Meili a écrit : > I have no echo problems with skype but with Ekiga there is a big echo > and the receivers of my calls complain. Is there no way to get rid of > this echo? > Use Skype or buy a headset. -- _ Damien Sandras (o- //\Ekiga Softphone : http://www.ekiga.org/ v_/_ Be IP : http://www.beip.be/ FOSDEM : http://www.fosdem.org/ SIP Phone : sip:dsand...@ekiga.net ___ ekiga-list mailing list ekiga-list@gnome.org http://mail.gnome.org/mailman/listinfo/ekiga-list
Re: [Ekiga-list] echo canceller
- Originálna Správa - Od: Judith Meili Komu: Ekiga mailing list Poslaná: 10.01.2009 14:24 Predmet: Re: [Ekiga-list] echo canceller > > If I lower the microphone, the people tell me that they cannot hear me > anymore because my voice is too low. I dont want an extern microphone. > Thats not convenient. Echo canceller in Ekiga is activated with a hook. > > What do you mean by \"disable mic boost, put mic out to 0\"? These are the names of channels. You can try to open eg alsamixer and mute/lower all microphone related channels in \"Playback\" card (the capture level of microphone is under \"Capture\" card, muting mic for playback does not affect your voice transmitted to the others but affects the echo). Skype automatically adjusts the channels levels so that might be the reason why you have lower echo with it. And might not. P. > > It says in Audio-Codecs \"Jitter-Puffer is between 20 and 500 ms > automatically.\" What does it mean? > > Palo S. schrieb: > > several possibilities: > > external microphone > > headphones > > audio channels settings (disable mic boost, > > put mic out to 0, lower mic record) > > have you tried echo canceller in Ekiga? > > > > P. > > > > > > ----- Originálna Správa - > > Od: Judith Meili > > Komu: Ekiga mailing list > > Poslaná: 10.01.2009 13:05 > > Predmet: [Ekiga-list] echo canceller > > > > > >> I have no echo problems with skype but with Ekiga there is a big echo > >> and the receivers of my calls complain. Is there no way to get rid of > >> this echo? > >> > >> Br > >> jm > >> ___ > >> ekiga-list mailing list > >> ekiga-list@gnome.org > >> http://mail.gnome.org/mailman/listinfo/ekiga-list > >> > >> > > > > > > __ > > http://kultura.sme.sk/ - Informačný server o kultúre a šoubiznise > > > > > > ___ > > ekiga-list mailing list > > ekiga-list@gnome.org > > http://mail.gnome.org/mailman/listinfo/ekiga-list > > > > > > > ___ > ekiga-list mailing list > ekiga-list@gnome.org > http://mail.gnome.org/mailman/listinfo/ekiga-list __ http://sport.sme.sk - Najkomplexnejšie informácie zo športu ___ ekiga-list mailing list ekiga-list@gnome.org http://mail.gnome.org/mailman/listinfo/ekiga-list
Re: [Ekiga-list] echo canceller
If I lower the microphone, the people tell me that they cannot hear me anymore because my voice is too low. I dont want an extern microphone. Thats not convenient. Echo canceller in Ekiga is activated with a hook. What do you mean by "disable mic boost, put mic out to 0"? It says in Audio-Codecs "Jitter-Puffer is between 20 and 500 ms automatically." What does it mean? Palo S. schrieb: several possibilities: external microphone headphones audio channels settings (disable mic boost, put mic out to 0, lower mic record) have you tried echo canceller in Ekiga? P. - Originálna Správa - Od: Judith Meili Komu: Ekiga mailing list Poslaná: 10.01.2009 13:05 Predmet: [Ekiga-list] echo canceller I have no echo problems with skype but with Ekiga there is a big echo and the receivers of my calls complain. Is there no way to get rid of this echo? Br jm ___ ekiga-list mailing list ekiga-list@gnome.org http://mail.gnome.org/mailman/listinfo/ekiga-list __ http://kultura.sme.sk/ - Informačný server o kultúre a šoubiznise ___ ekiga-list mailing list ekiga-list@gnome.org http://mail.gnome.org/mailman/listinfo/ekiga-list ___ ekiga-list mailing list ekiga-list@gnome.org http://mail.gnome.org/mailman/listinfo/ekiga-list
Re: [Ekiga-list] echo canceller
several possibilities: external microphone headphones audio channels settings (disable mic boost, put mic out to 0, lower mic record) have you tried echo canceller in Ekiga? P. - Originálna Správa - Od: Judith Meili Komu: Ekiga mailing list Poslaná: 10.01.2009 13:05 Predmet: [Ekiga-list] echo canceller > I have no echo problems with skype but with Ekiga there is a big echo > and the receivers of my calls complain. Is there no way to get rid of > this echo? > > Br > jm > ___ > ekiga-list mailing list > ekiga-list@gnome.org > http://mail.gnome.org/mailman/listinfo/ekiga-list > __ http://kultura.sme.sk/ - Informačný server o kultúre a šoubiznise ___ ekiga-list mailing list ekiga-list@gnome.org http://mail.gnome.org/mailman/listinfo/ekiga-list
[Ekiga-list] echo canceller
I have no echo problems with skype but with Ekiga there is a big echo and the receivers of my calls complain. Is there no way to get rid of this echo? Br jm ___ ekiga-list mailing list ekiga-list@gnome.org http://mail.gnome.org/mailman/listinfo/ekiga-list
[Ekiga-list] echo canceller
Hello I enjoy to make phone calls with Ekiga. But the receivers of my calls complain concerning the echo. Where is the echo canceller for Ekiga? Thanks. Br jm ___ ekiga-list mailing list ekiga-list@gnome.org http://mail.gnome.org/mailman/listinfo/ekiga-list
