[Freeswitch-users] Audio delays and jitter

Thu Oct 1 07:43:49 MSD 2015

We have community CentOS packages but they are missing most of the
multimedia functionality.  If you just need opus its probably ok.
And 1.6.3 will bring another round of media changes so you might want to
try master or nightly packages to prepare for it.

On Wed, Sep 30, 2015 at 10:40 PM, Danny Gershman <danny.gershman at gmail.com>
wrote:

> Ok I have no problem upgrading to 1.6.2, assuming that this would provide
> some kind of resolution to the issue with OPUS.  My question is if there
> has been any success with running it on Centos 6.4?
>
> On Wed, Sep 30, 2015 at 11:38 PM Anthony Minessale <
> anthony.minessale at gmail.com> wrote:
>
>> No new improvements are planned for 1.4.
>> Media is undergoing heavy refactoring in 1.6 and its not backportable.
>>
>> On Wed, Sep 30, 2015 at 10:31 PM, Brian West <brian at freeswitch.org>
>> wrote:
>>
>>> You must like pain!  Why don't you try Debian 8?
>>>
>>>
>>> On Wednesday, September 30, 2015, Danny Gershman <
>>> danny.gershman at gmail.com> wrote:
>>>
>>>> Will 1.6.2 run on CentOS 6.4?  Is there a migration guide?
>>>>
>>>> On Wed, Sep 30, 2015 at 6:47 PM Brian West <brian at freeswitch.org>
>>>> wrote:
>>>>
>>>>> Danny,
>>>>>
>>>>> We've resolved many issues since 1.4.19, have you considered trying
>>>>> 1.6.2?  Its got some more improvements in this area.
>>>>>
>>>>> On Wed, Sep 30, 2015 at 4:54 PM, Danny Gershman <
>>>>> danny.gershman at gmail.com> wrote:
>>>>>
>>>>>> Currently tested with 1.4.19
>>>>>>
>>>>>> On Wed, Sep 30, 2015 at 5:23 PM Brian West <brian at freeswitch.org>
>>>>>> wrote:
>>>>>>
>>>>>>> Which revision of FreeSWITCH have you tested with?
>>>>>>>
>>>>>>> On Wed, Sep 30, 2015 at 4:15 PM, Danny Gershman <
>>>>>>> danny.gershman at gmail.com> wrote:
>>>>>>>
>>>>>>>> We are using the OPUS codec with Chrome and WebRTC to make SIP
>>>>>>>> calls into FS conferences.  We have packet captures at the edge of network
>>>>>>>> that sound clear, but when they get to FreeSWITCH they sound distorted via
>>>>>>>> delays and clipping.
>>>>>>>>
>>>>>>>> I've tried several combinations of jitterbuffer settings,
>>>>>>>> disabled/enabling RTP timers, conference.  I have a mechanism I use in
>>>>>>>> which I replay the RTP packets using SIPP and try them out.  Is there a way
>>>>>>>> to dynamically adjust the jitterbuffer so that the right size is being
>>>>>>>> used?  Right now I have it set at 180:540:540.  Maybe there is some other
>>>>>>>> setting I could try that would help?
>>>>>>>>
>>>>>>>> Perhaps there's a way to force OPUS to use less bandwidth at the
>>>>>>>> expense of quality?
>>>>>>>>
>>>>>>>> I'm willing to share the PCAPs some examples.
>>>>>>>>
>>>>>>>> Thanks in advance.
>>>>>>>>
>>>>>>>> --Danny Gershman
>>>>>>>>
>>>>>>>>
>>>>>>>> _________________________________________________________________________
>>>>>>>> Professional FreeSWITCH Consulting Services:
>>>>>>>> consulting at freeswitch.org
>>>>>>>> http://www.freeswitchsolutions.com
>>>>>>>>
>>>>>>>> Official FreeSWITCH Sites
>>>>>>>> http://www.freeswitch.org
>>>>>>>> http://confluence.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
>>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> --
>>>>>>>
>>>>>>> *Brian West*
>>>>>>> brian at freeswitch.org
>>>>>>>
>>>>>>>
>>>>>>> *Twitter: @FreeSWITCH , @briankwest*
>>>>>>> http://www.freeswitchbook.com
>>>>>>> http://www.freeswitchcookbook.com
>>>>>>>
>>>>>>> Got Bugs? Report them here <https://freeswitch.org/jira>! | Reddit:
>>>>>>> /r/freeswitch <https://www.reddit.com/r/freeswitch>
>>>>>>>
>>>>>>> *T:*+19184209001 | *F:*+19184209002 | *M:*+1918424WEST (9378)
>>>>>>> *iNUM:*+883 5100 1420 9001 | *ISN:*410*543 | *Skype:*briankwest
>>>>>>>
>>>>>>> _________________________________________________________________________
>>>>>>> Professional FreeSWITCH Consulting Services:
>>>>>>> consulting at freeswitch.org
>>>>>>> http://www.freeswitchsolutions.com
>>>>>>>
>>>>>>> Official FreeSWITCH Sites
>>>>>>> http://www.freeswitch.org
>>>>>>> http://confluence.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
>>>>>>
>>>>>>
>>>>>>
>>>>>> _________________________________________________________________________
>>>>>> Professional FreeSWITCH Consulting Services:
>>>>>> consulting at freeswitch.org
>>>>>> http://www.freeswitchsolutions.com
>>>>>>
>>>>>> Official FreeSWITCH Sites
>>>>>> http://www.freeswitch.org
>>>>>> http://confluence.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
>>>>>>
>>>>>
>>>>>
>>>>>
>>>>> --
>>>>>
>>>>> *Brian West*
>>>>> brian at freeswitch.org
>>>>>
>>>>>
>>>>> *Twitter: @FreeSWITCH , @briankwest*
>>>>> http://www.freeswitchbook.com
>>>>> http://www.freeswitchcookbook.com
>>>>>
>>>>> Got Bugs? Report them here <https://freeswitch.org/jira>! | Reddit:
>>>>> /r/freeswitch <https://www.reddit.com/r/freeswitch>
>>>>>
>>>>> *T:*+19184209001 | *F:*+19184209002 | *M:*+1918424WEST (9378)
>>>>> *iNUM:*+883 5100 1420 9001 | *ISN:*410*543 | *Skype:*briankwest
>>>>>
>>>>> _________________________________________________________________________
>>>>> Professional FreeSWITCH Consulting Services:
>>>>> consulting at freeswitch.org
>>>>> http://www.freeswitchsolutions.com
>>>>>
>>>>> Official FreeSWITCH Sites
>>>>> http://www.freeswitch.org
>>>>> http://confluence.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
>>>>
>>>>
>>>
>>> --
>>>
>>> *Brian West*
>>> brian at freeswitch.org
>>>
>>>
>>> *Twitter: @FreeSWITCH , @briankwest*
>>> http://www.freeswitchbook.com
>>> http://www.freeswitchcookbook.com
>>>
>>> Got Bugs? Report them here <https://freeswitch.org/jira>! | Reddit:
>>> /r/freeswitch <https://www.reddit.com/r/freeswitch>
>>>
>>> *T:*+19184209001 | *F:*+19184209002 | *M:*+1918424WEST (9378)
>>> *iNUM:*+883 5100 1420 9001 | *ISN:*410*543 | *Skype:*briankwest
>>>
>>>
>>> _________________________________________________________________________
>>> Professional FreeSWITCH Consulting Services:
>>> consulting at freeswitch.org
>>> http://www.freeswitchsolutions.com
>>>
>>> Official FreeSWITCH Sites
>>> http://www.freeswitch.org
>>> http://confluence.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       ♬ @anthmfs  ♬ @FreeSWITCH  ♬
>>
>> ☞ http://freeswitch.org/  ☞ http://cluecon.com/  ☞
>> http://twitter.com/FreeSWITCH
>> ☞ irc.freenode.net #freeswitch ☞ *http://freeswitch.org/g+
>> <http://freeswitch.org/g+>*
>>
>> ClueCon Weekly Development Call
>> ☎ sip:888 at conference.freeswitch.org  ☎ +19193869900
>>
>> https://www.youtube.com/watch?v=9XXgW34t40s
>> https://www.youtube.com/watch?v=NLaDpGQuZDA
>> _________________________________________________________________________
>> Professional FreeSWITCH Consulting Services:
>> consulting at freeswitch.org
>> http://www.freeswitchsolutions.com
>>
>> Official FreeSWITCH Sites
>> http://www.freeswitch.org
>> http://confluence.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
>
>
> _________________________________________________________________________
> Professional FreeSWITCH Consulting Services:
> consulting at freeswitch.org
> http://www.freeswitchsolutions.com
>
> Official FreeSWITCH Sites
> http://www.freeswitch.org
> http://confluence.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       ♬ @anthmfs  ♬ @FreeSWITCH  ♬

☞ http://freeswitch.org/  ☞ http://cluecon.com/  ☞
http://twitter.com/FreeSWITCH
☞ irc.freenode.net #freeswitch ☞ *http://freeswitch.org/g+
<http://freeswitch.org/g+>*

ClueCon Weekly Development Call
☎ sip:888 at conference.freeswitch.org  ☎ +19193869900

https://www.youtube.com/watch?v=9XXgW34t40s
https://www.youtube.com/watch?v=NLaDpGQuZDA
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