Re: [OpenSIPStack] Cpmfort Noise Support

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Hi Yacine,

Please send Ilian a level sip 5 log so he can determine the casue and 
give you a fix.  Thanks.

Joegen

Yacine Auczone wrote:
>
> Hi,
> Thanks a lot for all your efforts.
> i have succesfully compiled ATLSIP with the new changes, but i have a 
> little issue now.
> i'm not able to make calls since the updates, i'm getting a 403 
> Forbidden error code whene trying to make a call while i was able to 
> make calls before.
>
>
>
> ------------------------------------------------------------------------
> > Date: Wed, 30 May 2007 17:53:09 +0800
> > From: ip...@so...
> > To: ope...@li...
> > Subject: Re: [OpenSIPStack] Cpmfort Noise Support
> >
> > Hi all,
> >
> > I have exposed the setting of silence detection mode and audio jitter
> > delay in ATLSIP and SoftPhoneInterface.
> >
> > Here are the methods:
> >
> > DisableSilenceDetection()
> > - Disables silence detection. Disables CNG as well.
> >
> > EnableFixedSilenceDetection( ULONG threshold )
> > - Enables fixed silence detection. Any sound level below the threshold
> > is treated as silence (and CN is generated as a result). Don't use too
> > high threshold values or you'll only hear comfort noise. Try 
> threshold=3
> > as suggested by Whit in another thread.
> >
> > EnableFixedSilenceDetectionEx( ULONG threshold , ULONG signalDeadband,
> > ULONG silenceDeadband )
> > - An extended version of the previous method. Don't tinker with this
> > unless you know what you're doing. For reference on how signalDeadband
> > and silenceDeadband are used, look in 
> OpalSilenceDetector::ReceivedPacket().
> >
> > EnableAdaptiveSilenceDetection( ULONG adaptivePeriod )
> > - Enables an adaptive silence detection. Supposedly this enables the
> > threshold to *adapt* to the current sound level every adaptivePeriod
> > milliseconds. However, its silence detection doesn't seem to be very
> > effective (at least in my machine). I'll look into this further to see
> > what's wrong. This mode with adaptivePeriod=4800 is the default mode 
> for
> > ATLSIP.
> >
> > EnableAdaptiveSilenceDetectionEx( ULONG adaptivePeriod, ULONG
> > signalDeadband, ULONG silenceDeadband )
> > - An extended version of the previous method. Don't tinker with this
> > unless you know what you're doing. For reference on how signalDeadband
> > and silenceDeadband are used, look in 
> OpalSilenceDetector::ReceivedPacket().
> >
> > SetAudioJitterDelay( ULONG minDelay, ULONG maxDelay )
> > - Sets audio jitter delay settings.
> >
> >
> > Regards,
> > Ilian
> >
> > Ilian Jeri C. Pinzon wrote:
> > > Will prioritize this request. This should be available by tomorrow 
> or on
> > > early Thursday tops.
> > >
> > > Regards,
> > > Ilian
> > >
> > > Joegen E. Baclor wrote:
> > >
> > >> Hi Ilian,
> > >>
> > >> Can you provide an ETC for exposing Jitter and Silent Detection 
> params
> > >> in ATLSIP? Seems like a popular request.
> > >>
> > >> Joegen
> > >>
> > >>
> > >> Ilian Jeri C. Pinzon wrote:
> > >>
> > >>
> > >>> Hi,
> > >>>
> > >>> We haven't exposed this yet but we will soon. Please wait for 
> updates
> > >>> in this list.
> > >>>
> > >>> For the meantime, please refer to the attached email on how this 
> can
> > >>> be done.
> > >>>
> > >>> Thanks.
> > >>>
> > >>> Regards,
> > >>> Ilian
> > >>>
> > >>> Yacine Auczone wrote:
> > >>>
> > >>>
> > >>>> Hi All,
> > >>>> First, Thanks a lot for all the great job you are doing for
> > >>>> OpenSipStack and AtlSIP
> > >>>> I'm doing some devlopement test with the Softphone ActiveX, the
> > >>>> quality is very good and no bugs detected, the only thing is 
> that the
> > >>>> softphone is doing by default some VAD and it is not 
> transmiting the
> > >>>> silence, so there is no Comfort Noise generation sent whene the
> > >>>> calling party stop talking. i heard about a new ActiveX version 
> which
> > >>>> will be available and gives the option to enable or disable 
> CNG, is it
> > >>>> ready? if yes can i have it please?
> > >>>> Other Thing, on my Asterisk Server only G729 Work and not G729A
> > >>>> What's Wrong ?
> > >>>>
> > >>>>
> > >>>>
> > >>>>
> > >>>> 
> ------------------------------------------------------------------------
> > >>>> Avec Windows Live Spaces, publiez directement des messages
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> > >>>>
> > >>>> 
> ------------------------------------------------------------------------
> > >>>>
> > >>>> 
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> ------------------------------------------------------------------------
> > >>>>
> > >>>> _______________________________________________
> > >>>> opensipstack-devel mailing list
> > >>>> ope...@li...
> > >>>> https://lists.sourceforge.net/lists/listinfo/opensipstack-devel
> > >>>>
> > >>>> 
> ------------------------------------------------------------------------
> > >>>>
> > >>>> No virus found in this incoming message.
> > >>>> Checked by AVG Free Edition. Version: 7.5.472 / Virus Database:
> > >>>> 269.8.1/822 - Release Date: 5/28/2007 11:40 AM
> > >>>>
> > >>>>
> > >>>>
> > >>> 
> ------------------------------------------------------------------------
> > >>>
> > >>> Subject:
> > >>> [Fwd: Re: [OpenSIPStack] Audio problems - Jitter and Comfort Noise]
> > >>> From:
> > >>> "Joegen E. Baclor" <joe...@gm...>
> > >>> Date:
> > >>> Tue, 29 May 2007 18:26:21 +0800
> > >>> To:
> > >>> "Ilian Jeri C. Pinzon" <ip...@so...>
> > >>>
> > >>> To:
> > >>> "Ilian Jeri C. Pinzon" <ip...@so...>
> > >>>
> > >>>
> > >>>
> > >>>
> > >>> 
> ------------------------------------------------------------------------
> > >>>
> > >>> Subject:
> > >>> Re: [OpenSIPStack] Audio problems - Jitter and Comfort Noise
> > >>> From:
> > >>> "Joegen E. Baclor" <joe...@gm...>
> > >>> Date:
> > >>> Thu, 12 Apr 2007 16:40:04 +0800
> > >>> To:
> > >>> ope...@li...
> > >>>
> > >>> To:
> > >>> ope...@li...
> > >>>
> > >>>
> > >>> Whit,
> > >>>
> > >>> Good to hear you nailed it! Can't wait to see your contributions if
> > >>> you get the chance to expose the other setters/accessors in ATLSIP.
> > >>>
> > >>>
> > >>>
> > >>> Whit Thiele wrote:
> > >>>
> > >>>
> > >>>> Joegen,
> > >>>>
> > >>>> Thanks for the help. I thought I'd send the list an update on what
> > >>>> solved my
> > >>>> problem. I changed the Silence Detector to Fixed with a 
> threshold of
> > >>>> 3. This
> > >>>> eliminated all the problems! It seems that the adaptive silence
> > >>>> detector was
> > >>>> constantly incrementing and started affecting things about 
> 10-15 seconds
> > >>>> into a conversation!
> > >>>>
> > >>>> I'll probably put in the ability to change the jitterbuffer and 
> silence
> > >>>> detector into the ATLSIP library and send this in to the 
> project in
> > >>>> the next
> > >>>> couple weeks...
> > >>>>
> > >>>>
> > >>>> Whit
> > >>>>
> > >>>>
> > >>>>
> > >>>> -----Original Message-----
> > >>>> From: ope...@li...
> > >>>> [mailto:ope...@li...] On 
> Behalf Of
> > >>>> Joegen E. Baclor
> > >>>> Sent: Tuesday, April 10, 2007 9:36 PM
> > >>>> To: ope...@li...
> > >>>> Subject: Re: [OpenSIPStack] Audio problems - Jitter and Comfort 
> Noise
> > >>>>
> > >>>> Whit,
> > >>>>
> > >>>> It is probably best to ask this question to
> > >>>> ope...@li.... However, here's how to set
> > >>>> the silence detection in code.
> > >>>>
> > >>>>
> > >>>>
> > >>>> OpalSilenceDetector::Param param;
> > >>>> param.Mode = OpalSilenceDetector::NoSilenceDetection;
> > >>>> sfManager.SetSilenceDetectParams( params );
> > >>>>
> > >>>>
> > >>>>
> > >>>>
> > >>>> Hope that helps.
> > >>>>
> > >>>> de...@wh... wrote:
> > >>>>
> > >>>>
> > >>>>
> > >>>>> Joegen,
> > >>>>>
> > >>>>> Thanks for the reply. I've been trying different jitterbuffer
> > >>>>> settings as
> > >>>>>
> > >>>>>
> > >>>>>
> > >>>> well
> > >>>>
> > >>>>
> > >>>>
> > >>>>> as changing the number soundChannelBuffers to a number of 
> different
> > >>>>>
> > >>>>>
> > >>>>>
> > >>>> settings
> > >>>>
> > >>>>
> > >>>>
> > >>>>> which I came across in some online
> > >>>>> Opal documentation (
> > >>>>>
> > >>>>>
> > >>>>>
> > >>>>>
> > >>>> 
> http://www.openh323.org/pipermail/openh323/Week-of-Mon-20051219/076004.html 
>
> > >>>>
> > >>>> )
> > >>>>
> > >>>>
> > >>>>
> > >>>>> I've tried setting the jitter buffer to minimums 25 through to 
> 500
> > >>>>> and the
> > >>>>>
> > >>>>>
> > >>>>>
> > >>>> depth
> > >>>>
> > >>>>
> > >>>>
> > >>>>> to as high as 15 but nothing is helping. As I described before, I
> > >>>>> can get
> > >>>>>
> > >>>>>
> > >>>>>
> > >>>> about
> > >>>>
> > >>>>
> > >>>>
> > >>>>> 10-15 consecutive seconds of decent voice quality and then it 
> gets very
> > >>>>>
> > >>>>>
> > >>>>>
> > >>>> choppy.
> > >>>>
> > >>>>
> > >>>>> Is anyone else experiencing this?
> > >>>>>
> > >>>>> I am wondering if it may have something to do with the Silence
> > >>>>> detection
> > >>>>>
> > >>>>>
> > >>>>>
> > >>>> portion
> > >>>>
> > >>>>
> > >>>>
> > >>>>> of Opal. I've noticed in the opal.log file that the Silence 
> Threshold
> > >>>>>
> > >>>>>
> > >>>>>
> > >>>> creeps
> > >>>>
> > >>>>
> > >>>>
> > >>>>> upwards the longer the person talks. Is there a way to disable 
> the
> > >>>>> silence
> > >>>>> detector? I could see that there are several Modes (Fixed, 
> Adaptive,
> > >>>>> etc)
> > >>>>>
> > >>>>>
> > >>>>>
> > >>>> for
> > >>>>
> > >>>>
> > >>>>
> > >>>>> it but I can't figure out where this is initialized in the code.
> > >>>>> I may be on the wrong track but I can't figure out this strange
> > >>>>> behavior.
> > >>>>> Any help/ideas/suggestions would be greatly appreciated!
> > >>>>>
> > >>>>> Whit
> > >>>>>
> > >>>>>
> > >>>>>
> > >>>>>
> > >>>>>
> > >>>>>
> > >>>>>
> > >>>>> -----Original Message-----
> > >>>>> From: ope...@li...
> > >>>>> [mailto:ope...@li...] On 
> Behalf Of
> > >>>>>
> > >>>>>
> > >>>>>
> > >>>> Joegen
> > >>>>
> > >>>>
> > >>>>
> > >>>>> E. Baclor
> > >>>>> Sent: Monday, April 09, 2007 5:19 AM
> > >>>>> To: ope...@li...
> > >>>>> Subject: Re: [OpenSIPStack] Audio problems - Jitter and 
> Comfort Noise
> > >>>>>
> > >>>>> de...@wh... wrote:
> > >>>>>
> > >>>>>
> > >>>>>
> > >>>>>> Members,
> > >>>>>>
> > >>>>>> I'm doing some testing with the ATLSIP and opensipstack 
> libraries
> > >>>>>> and so
> > >>>>>>
> > >>>>>>
> > >>>>>>
> > >>>> far
> > >>>>
> > >>>>
> > >>>>
> > >>>>>> with pretty good success. I have written a softphone in C# 
> using the
> > >>>>>>
> > >>>>>>
> > >>>>>>
> > >>>> samples
> > >>>>
> > >>>>
> > >>>>
> > >>>>>> provided, however I have a strange issue which I think is 
> related to
> > >>>>>>
> > >>>>>>
> > >>>>>>
> > >>>> jitter
> > >>>>
> > >>>>
> > >>>>
> > >>>>>> and/or comfort noise:
> > >>>>>>
> > >>>>>> Setup:
> > >>>>>> C# Softphone ----> Asterisk ---> PRI -----> Telco
> > >>>>>>
> > >>>>>> Once I make a call, the system works fine except if the person
> > >>>>>> using the
> > >>>>>> softphone talks for more then about 10-15 seconds (in a row 
> without
> > >>>>>> being
> > >>>>>> interupted). Then, the audio starts to break up and the 
> person on the
> > >>>>>>
> > >>>>>>
> > >>>>>>
> > >>>> telco
> > >>>>
> > >>>>
> > >>>>
> > >>>>>> side can't make out what they are saying. Sometimes this 
> situation is
> > >>>>>>
> > >>>>>>
> > >>>>>>
> > >>>> reversed
> > >>>>
> > >>>>
> > >>>>
> > >>>>>> and the person on the softphone can't make out the person on 
> the telco
> > >>>>>>
> > >>>>>>
> > >>>>>>
> > >>>> side.
> > >>>>
> > >>>>
> > >>>>>> By the way, there aren't any problems with the telco or asterisk
> > >>>>>> setup as
> > >>>>>>
> > >>>>>>
> > >>>>>>
> > >>>> I
> > >>>>
> > >>>>
> > >>>>
> > >>>>>>
> > >>>>>>
> > >>>>>>
> > >>>>> have
> > >>>>>
> > >>>>>
> > >>>>>
> > >>>>>> SIP hardphones using the system with no problems.
> > >>>>>>
> > >>>>>> So my question is:
> > >>>>>>
> > >>>>>>
> > >>>>>> 1. Can I send confort noise during silence breaks?
> > >>>>>>
> > >>>>>>
> > >>>>>>
> > >>>>>>
> > >>>>> CNG is a codec functionality and is not manually generated by the
> > >>>>> stack.
> > >>>>>
> > >>>>>
> > >>>>>
> > >>>>>
> > >>>>>
> > >>>>>> 2. Where can I tweak the jitter-buffer or comfort noise 
> settings?
> > >>>>>> Is this
> > >>>>>>
> > >>>>>>
> > >>>>>>
> > >>>> done
> > >>>>
> > >>>>
> > >>>>
> > >>>>>>
> > >>>>>>
> > >>>>>>
> > >>>>> SoftPhoneManager::SetAudioJitterDelay(). It is not yet exposed 
> an the
> > >>>>> ActiveX properties. Feel free to send in a patch if you get 
> the chance
> > >>>>> to expose it.
> > >>>>>
> > >>>>>
> > >>>>>
> > >>>>>
> > >>>>>> in the code itself?
> > >>>>>> 3. Maybe I'm on the wrong track and any suggestions are welcome!
> > >>>>>>
> > >>>>>>
> > >>>>>> Look forward to working more with everyone on this exciting 
> project!
> > >>>>>>
> > >>>>>> Whit
> > >>>>>>
> > >>>>>>
> > >>>>>>
> > >>>>>>
> > >>>>>>
> > >>>>>>
> > >>>>>>
> > >>>>>>
> > >>>>>> 
> -------------------------------------------------------------------------
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> > >>>>>> ope...@li...
> > >>>>>> https://lists.sourceforge.net/lists/listinfo/opensipstack-devel
> > >>>>>>
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