[Freeswitch-users] Audio Quality of recordings

Wed Nov 13 21:27:06 MSK 2013

Ok, I'll collect the pcaps and try the milliwatt extension today then post
results along with recordings and instructions into JIRA.
Thanks

---------- Forwarded message ----------
> From: Brian West <brian at freeswitch.org>
> To: FreeSWITCH Users Help <freeswitch-users at lists.freeswitch.org>
> Cc:
> Date: Tue, 12 Nov 2013 20:59:27 -0600
> Subject: Re: [Freeswitch-users] Audio Quality of recordings
> Can you send me pcaps and recordings of this to my personal address please.
>
> --
> Brian West
> brian at freeswitch.org
> FreeSWITCH Solutions, LLC
> PO BOX 2531
> Brookfield, WI 53008-2531
> Twitter: @FreeSWITCH_Wire , @briankwest
> http://www.freeswitchbook.com
> http://www.freeswitchcookbook.com
>
> T: +1.918.420.9001  |  F: +1.918.420.9002  |  M: +1.918.424.WEST
> iNUM: +883 5100 1420 9001
> ISN: 410*543
> Skype:briankwest
> PGP Key: http://www.bkw.org/key.txt (AB93356707C76CED)
>
>
>
>
>
> On Nov 12, 2013, at 8:37 PM, Scott Ross <slross16 at gmail.com> wrote:
>
> >
> > I wasn't advised to use ubuntu, just including it as another data point
> (its my dev machine).
> >
> > I've tested against two physical servers.
> >        RedHat 6, Xeon 6 core 2.6ghz, 32g ram
> >        The dev machine running Ubuntu 13.04, decent Core i7, 12g ram
> > I've tested on several XenServer instances running RedHat 6.
> > All devises/hosts are on the same internal network.
> >
> > Seeing the same results regardless.
> >
> > The device on the other end of the calls is an external conference
> bridge (physical host). There could be some device specific issues - but I
> see the same results when testing against another freeswitch instance on
> the same network set up with mod_conference.
> > Using g711 and recording to .wav.
> > The call sounds unsatisfactory in real time and in the recordings
> > Call quality is near perfect when the two calls aren't bridged into a
> freeswtich conference or our external conference bridge. But even setting
> up a basic freeswitch conference to run the tests against resulted in the
> lower quality.
> >
> > So "failure" case appears to be when two separately originated calls
> being bridged into any single conferenced environment.
> >
> > Just to be clear - the quality is ok, but not great. For reference, I'm
> expecting a PESQ score of 3.8 or greater - which is met with asterisk
> (seeing 3.8 - 4.3), but Freeswitch in its current setup consistently
> results in 0.5 - 1 point lower at around 2.9 - 3.7.
> >
> > I'm hoping there is some environment/configuration tweaking I can do to
> fix this. I have tried running FS with the -hp flag. Do I need to make
> configuration changes on my OS/network to account for that?
> >
> > Does this feel like an OS level issue? Do I need to try Debian 6?
> >
> > Thank you for the reply. Again, let me know what other info I can
> provide.
> >
> > _________________________________________________________________________
> > Professional FreeSWITCH Consulting Services:
> > consulting at freeswitch.org
> > http://www.freeswitchsolutions.com
> >
> > 
> > 
> >
> > Official FreeSWITCH Sites
> > http://www.freeswitch.org
> > http://wiki.freeswitch.org
> > http://www.cluecon.com
> >
> > 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
>
>
>
> ---------- Forwarded message ----------
> From: Anthony Minessale <anthony.minessale at gmail.com>
> To: FreeSWITCH Users Help <freeswitch-users at lists.freeswitch.org>
> Cc:
> Date: Tue, 12 Nov 2013 21:03:02 -0600
> Subject: Re: [Freeswitch-users] Audio Quality of recordings
> In fact,
>
> Can you give us all the info to reproduce your problem so we can see if we
> can create the same situation in our lab.
> file a JIRA http://jira.freeswitch.org and attach the stuff that brian
> has asked for and preferably the instructions to reproduce the calls (We
> can do originate from cli so we don't need the event socket stuff) and the
> PSEQ app you are using.
>
> If we can see what you mean on another sever maybe we can prove its
> environmental or a persistent issue.
>
>
> On Tue, Nov 12, 2013 at 8:37 PM, Scott Ross <slross16 at gmail.com> wrote:
>
>>
>> I wasn't advised to use ubuntu, just including it as another data point
>> (its my dev machine).
>>
>> I've tested against two physical servers.
>>        RedHat 6, Xeon 6 core 2.6ghz, 32g ram
>>        The dev machine running Ubuntu 13.04, decent Core i7, 12g ram
>> I've tested on several XenServer instances running RedHat 6.
>> All devises/hosts are on the same internal network.
>>
>> Seeing the same results regardless.
>>
>> The device on the other end of the calls is an external conference bridge
>> (physical host). There could be some device specific issues - but I see the
>> same results when testing against another freeswitch instance on the same
>> network set up with mod_conference.
>> Using g711 and recording to .wav.
>> The call sounds unsatisfactory in real time and in the recordings
>> Call quality is near perfect when the two calls aren't bridged into a
>> freeswtich conference or our external conference bridge. But even setting
>> up a basic freeswitch conference to run the tests against resulted in the
>> lower quality.
>>
>> So "failure" case appears to be when two separately originated calls
>> being bridged into any single conferenced environment.
>>
>> Just to be clear - the quality is ok, but not great. For reference, I'm
>> expecting a PESQ score of 3.8 or greater - which is met with asterisk
>> (seeing 3.8 - 4.3), but Freeswitch in its current setup consistently
>> results in 0.5 - 1 point lower at around 2.9 - 3.7.
>>
>> I'm hoping there is some environment/configuration tweaking I can do to
>> fix this. I have tried running FS with the -hp flag. Do I need to make
>> configuration changes on my OS/network to account for that?
>>
>> Does this feel like an OS level issue? Do I need to try Debian 6?
>>
>> Thank you for the reply. Again, let me know what other info I can
>> provide.
>>
>>
>> _________________________________________________________________________
>> Professional FreeSWITCH Consulting Services:
>> consulting at freeswitch.org
>> http://www.freeswitchsolutions.com
>>
>> 
>> 
>>
>> Official FreeSWITCH Sites
>> http://www.freeswitch.org
>> http://wiki.freeswitch.org
>> http://www.cluecon.com
>>
>> 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/
> Twitter: http://twitter.com/FreeSWITCH_wire
>
> 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
> googletalk:conf+888 at conference.freeswitch.org
> pstn:+19193869900
>
>
> ---------- Forwarded message ----------
> From: Anthony Minessale <anthony.minessale at gmail.com>
> To: FreeSWITCH Users Help <freeswitch-users at lists.freeswitch.org>
> Cc:
> Date: Tue, 12 Nov 2013 21:06:18 -0600
> Subject: Re: [Freeswitch-users] Audio Quality of recordings
> p.s.
>
> You didn't respond to the part about milliwatt.... doing that gives you a
> visual feedback on the recording as well.
>
>
>
> On Tue, Nov 12, 2013 at 9:03 PM, Anthony Minessale <
> anthony.minessale at gmail.com> wrote:
>
>> In fact,
>>
>> Can you give us all the info to reproduce your problem so we can see if
>> we can create the same situation in our lab.
>> file a JIRA http://jira.freeswitch.org and attach the stuff that brian
>> has asked for and preferably the instructions to reproduce the calls (We
>> can do originate from cli so we don't need the event socket stuff) and the
>> PSEQ app you are using.
>>
>> If we can see what you mean on another sever maybe we can prove its
>> environmental or a persistent issue.
>>
>>
>> On Tue, Nov 12, 2013 at 8:37 PM, Scott Ross <slross16 at gmail.com> wrote:
>>
>>>
>>> I wasn't advised to use ubuntu, just including it as another data point
>>> (its my dev machine).
>>>
>>> I've tested against two physical servers.
>>>        RedHat 6, Xeon 6 core 2.6ghz, 32g ram
>>>        The dev machine running Ubuntu 13.04, decent Core i7, 12g ram
>>> I've tested on several XenServer instances running RedHat 6.
>>> All devises/hosts are on the same internal network.
>>>
>>> Seeing the same results regardless.
>>>
>>> The device on the other end of the calls is an external conference
>>> bridge (physical host). There could be some device specific issues - but I
>>> see the same results when testing against another freeswitch instance on
>>> the same network set up with mod_conference.
>>> Using g711 and recording to .wav.
>>> The call sounds unsatisfactory in real time and in the recordings
>>> Call quality is near perfect when the two calls aren't bridged into a
>>> freeswtich conference or our external conference bridge. But even setting
>>> up a basic freeswitch conference to run the tests against resulted in the
>>> lower quality.
>>>
>>> So "failure" case appears to be when two separately originated calls
>>> being bridged into any single conferenced environment.
>>>
>>> Just to be clear - the quality is ok, but not great. For reference, I'm
>>> expecting a PESQ score of 3.8 or greater - which is met with asterisk
>>> (seeing 3.8 - 4.3), but Freeswitch in its current setup consistently
>>> results in 0.5 - 1 point lower at around 2.9 - 3.7.
>>>
>>> I'm hoping there is some environment/configuration tweaking I can do to
>>> fix this. I have tried running FS with the -hp flag. Do I need to make
>>> configuration changes on my OS/network to account for that?
>>>
>>> Does this feel like an OS level issue? Do I need to try Debian 6?
>>>
>>> Thank you for the reply. Again, let me know what other info I can
>>> provide.
>>>
>>>
>>> _________________________________________________________________________
>>> Professional FreeSWITCH Consulting Services:
>>> consulting at freeswitch.org
>>> http://www.freeswitchsolutions.com
>>>
>>> 
>>> 
>>>
>>> Official FreeSWITCH Sites
>>> http://www.freeswitch.org
>>> http://wiki.freeswitch.org
>>> http://www.cluecon.com
>>>
>>> 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/
>> Twitter: http://twitter.com/FreeSWITCH_wire
>>
>> 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
>> googletalk:conf+888 at conference.freeswitch.org
>> pstn:+19193869900
>>
>
>
>
> --
> Anthony Minessale II
>
> FreeSWITCH http://www.freeswitch.org/
> ClueCon http://www.cluecon.com/
> Twitter: http://twitter.com/FreeSWITCH_wire
>
> 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
> googletalk:conf+888 at conference.freeswitch.org
> pstn:+19193869900
>
> _______________________________________________
> 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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