[Freeswitch-users] Recent VAD enhancement?

Brian West brian at freeswitch.org
Wed Jun 25 16:29:22 PDT 2008 

I have tried this on my windows VM and it was fine.    You're saying  
you don't even get music when someone is sitting idle?  I just tried  
it again just now before I sent this email.

/b

On Jun 24, 2008, at 11:52 PM, UV wrote:

> Correct. The conference is unusable. When 2 people in the conference  
> they can not hear each other or can hear each other intermittently.
>
> I’ve played with the energy level and flags settings but without any  
> luck.
>
> The pcap I’ve done is on the client. When doing pcap on the FS box I  
> get the same exact result (corresponding to the client side) however  
> I get completely different result from my other client (an IP phone  
> on which I can not run pcap). The IP phone doesn’t seem to send any  
> RTP when in conference and does send when not in conference.
>
> I’m still trying to figure out the difference between the two FS  
> builds (FC4 and v1) but I have a question:
> Did you introduce the CN (comfort noise) feature after RC4 or was it  
> there before?
>
> I’m quite lost with this now and it leaves us with RC4 the only  
> viable production candidate for now. Any assistance will be  
> appreciated.
> We’re now building another FS box on a different machine and we’ll  
> try to reproduce it there.
>
> From: freeswitch-users-bounces at lists.freeswitch.org [mailto:freeswitch-users-bounces at lists.freeswitch.org 
> ] On Behalf Of Anthony Minessale
> Sent: Wednesday, June 25, 2008 8:31 AM
> To: freeswitch-users at lists.freeswitch.org
> Subject: Re: [Freeswitch-users] Recent VAD enhancement?
>
> so the conference is never working you are saying?
> When 2 people are in the conference can they hear each other?
>
> are you doing pcap on the FS box or on the client side?
> There is energy detection in the conference that you could try  
> turning down in the conference profile.
>
> <param name="energy-level" value="0"/>
>
> try this setting to make the conference send audio at all times
>
> <param name="member-flags" value="waste"/>
>
>
>
> On Tue, Jun 24, 2008 at 1:38 PM, UV <uv at talknet.com.au> wrote:
> 9999 is pretty much the same. I can't tell if 90% or 70% of the  
> traffic is lost but something definitely makes the FS stops sending  
> traffic and start again (as if it was VAD).
>
> The client sends RTP as usual. No change there. The loss is only  
> from the FS server side.
>
> Problem persists when adding callers to the conference. Callers  
> sending RTP to the server but not receiving much back.
>
> I've double checked and there's no problem when dialing from one  
> extension to another. RTP stream is fluent.
>
> It's on one box we tried. Only tested on windows. That's why I'm  
> asking if anyone had that too.
>
>
>
> Again, this phenomenon is predominately noticeable for MoH. It  
> doesn't seem to occur when playing a file, generating a tone or  
> streaming mp3.
>
> There's a different "disturbance" when playing WAV files but I'm not  
> sure it's related (also doesn't happen on the RC4). The audio seem  
> to skip forward from time to time – like short bursts of fast- 
> forward effect occasionally.
>
> Playing MP3 sounds good.
>
>
>
>
>
> From: freeswitch-users-bounces at lists.freeswitch.org [mailto:freeswitch-users-bounces at lists.freeswitch.org 
> ] On Behalf Of Anthony Minessale
> Sent: Wednesday, June 25, 2008 2:39 AM
>
>
> To: freeswitch-users at lists.freeswitch.org
> Subject: Re: [Freeswitch-users] Recent VAD enhancement?
>
>
> so are you also saying that the client is not sending RTP either?
> did you try adding subsequent callers to the conference?
> is this on more than one box?
> is this only on windows?
>
> On Tue, Jun 24, 2008 at 11:37 AM, Anthony Minessale <anthony.minessale at gmail.com 
> > wrote:
>
> what happens when you call 9999?
>
> 2008/6/23 UV <uv at talknet.com.au>:
>
>
>
> I've checked the packet flow in wireshark and it seems like the FS  
> is sending RTP for about 2 seconds (the "alone announcement") and  
> then stops sending RTP. From time to time few packets arrive and you  
> can hear the MoH momentarily.
>
> The call scenario was a softphone (SJPhone) calling 3011 conference  
> room. Both are on the same LAN speaking directly.
>
> There were no error messages.
>
>
>
> Same scenario on RC4 works fine.
>
>
>
> No Asterisk involved, installed or present in the surrounding area.
>
>
>
> Any ideas?
>
>
>
> From: freeswitch-users-bounces at lists.freeswitch.org [mailto:freeswitch-users-bounces at lists.freeswitch.org 
> ] On Behalf Of Anthony Minessale
> Sent: Tuesday, June 24, 2008 7:14 AM
> To: freeswitch-users at lists.freeswitch.org
> Subject: Re: [Freeswitch-users] Recent VAD enhancement?
>
>
>
> check the packet flow in wireshark also
>
> On Mon, Jun 23, 2008 at 2:06 PM, Brian West <brian at freeswitch.org>  
> wrote:
>
> By any chance is Asterisk involved in this at any point along the  
> call path?
>
>
>
> /b
>
>
>
> On Jun 23, 2008, at 1:55 PM, UV wrote:
>
>
>
>> I'm trying to send this and it doesn't seem to post… here's another  
>> attempt:
>>
>>
>>
>> After upgrading from latest stable version for windows (RC4) to  
>> latest version, I've noticed a significant loss of audio during a  
>> call.
>>
>> It almost seems like there's an enhanced VAD that triggers the  
>> audio on and off – although the VAD feature is off. Why VAD?  
>> Because as you inject audio on the receiving side, you can then  
>> hear incoming audio from the transmitting side.
>>
>>
>>
>> Although this is not noticeable when using tone generation or  
>> shout, it's mostly evident when playing MoH (Music on hold, not  
>> Medal of Honor). It sounds like about 90% of the audio is gone.
>>
>>
>>
>> We used identical configuration files for both tests.
>>
>>
>>
>> We're still investigating this behavior and soon we'll dive to  
>> network level and debug outputs.
>>
>>
>>
>> Anyone else encountered that as well?
>>
>>
>>
>> No virus found in this outgoing message.
>> Checked by AVG.
>> Version: 8.0.100 / Virus Database: 270.4.1/1513 - Release Date:  
>> 22/06/2008 07:52
>>
>> _______________________________________________
>> Freeswitch-users mailing list
>> Freeswitch-users at lists.freeswitch.org
>> http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
>> UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-users
>> http://www.freeswitch.org
>>
>
>
>
>
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>
>
>
>
> -- 
> Anthony Minessale II
>
> FreeSWITCH http://www.freeswitch.org/
> ClueCon http://www.cluecon.com/
>
> AIM: anthm
> MSN:anthony_minessale at hotmail.com
> GTALK/JABBER/PAYPAL:anthony.minessale at gmail.com
> IRC: irc.freenode.net #freeswitch
>
> FreeSWITCH Developer Conference
> sip:888 at conference.freeswitch.org
> iax:guest at conference.freeswitch.org/888
> googletalk:conf+888 at conference.freeswitch.org
> pstn:213-799-1400
>
> No virus found in this incoming message.
> Checked by AVG.
> Version: 8.0.100 / Virus Database: 270.4.1/1515 - Release Date:  
> 23/06/2008 19:16
>
>
> _______________________________________________
> Freeswitch-users mailing list
> Freeswitch-users at lists.freeswitch.org
> http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
> UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-users
> http://www.freeswitch.org
>
>
>
>
> -- 
> Anthony Minessale II
>
> FreeSWITCH http://www.freeswitch.org/
> ClueCon http://www.cluecon.com/
>
> AIM: anthm
> MSN:anthony_minessale at hotmail.com
> GTALK/JABBER/PAYPAL:anthony.minessale at gmail.com
> IRC: irc.freenode.net #freeswitch
>
> FreeSWITCH Developer Conference
> sip:888 at conference.freeswitch.org
> iax:guest at conference.freeswitch.org/888
> googletalk:conf+888 at conference.freeswitch.org
> pstn:213-799-1400
>
>
>
>
> -- 
> Anthony Minessale II
>
> FreeSWITCH http://www.freeswitch.org/
> ClueCon http://www.cluecon.com/
>
> AIM: anthm
> MSN:anthony_minessale at hotmail.com
> GTALK/JABBER/PAYPAL:anthony.minessale at gmail.com
> IRC: irc.freenode.net #freeswitch
>
> FreeSWITCH Developer Conference
> sip:888 at conference.freeswitch.org
> iax:guest at conference.freeswitch.org/888
> googletalk:conf+888 at conference.freeswitch.org
> pstn:213-799-1400
>
> No virus found in this incoming message.
> Checked by AVG.
> Version: 8.0.100 / Virus Database: 270.4.1/1516 - Release Date:  
> 24/06/2008 07:53
>
> _______________________________________________
> Freeswitch-users mailing list
> Freeswitch-users at lists.freeswitch.org
> http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
> UNSUBSCRIBE:http://lists.freeswitch.org/mailman/options/freeswitch-users
> http://www.freeswitch.org
>
>
>
> -- 
> Anthony Minessale II
>
> FreeSWITCH http://www.freeswitch.org/
> ClueCon http://www.cluecon.com/
>
> AIM: anthm
> MSN:anthony_minessale at hotmail.com
> GTALK/JABBER/PAYPAL:anthony.minessale at gmail.com
> IRC: irc.freenode.net #freeswitch
>
> FreeSWITCH Developer Conference
> sip:888 at conference.freeswitch.org
> iax:guest at conference.freeswitch.org/888
> googletalk:conf+888 at conference.freeswitch.org
> pstn:213-799-1400
> No virus found in this incoming message.
> Checked by AVG.
> Version: 8.0.100 / Virus Database: 270.4.1/1516 - Release Date:  
> 24/06/2008 07:53
>
> _______________________________________________
> Freeswitch-users mailing list
> Freeswitch-users at lists.freeswitch.org
> http://lists.freeswitch.org/mailman/listinfo/freeswitch-users
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Brian West
sip:brian at freeswitch.org



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