[Freeswitch-users] Audio Quality of recordings

[Anthony Minessale]

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
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://lists.freeswitch.org/pipermail/freeswitch-users/attachments/20131112/6505c06d/attachment-0001.html