[Freeswitch-users] Audio Quality of recordings

Thu Nov 14 20:36:16 MSK 2013

Another hint as you gather that data. you could turn off or lowering the
energy detection.
comment this from your conference config.

<param name="energy-level" value="300"/>

The noise gate can mess with the audio.

On Wed, Nov 13, 2013 at 12:27 PM, Scott Ross <slross16 at gmail.com> wrote:

>
> 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
>>
>>
>
> _________________________________________________________________________
> 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
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