[Freeswitch-users] Audio delays and jitter

Danny Gershman danny.gershman at gmail.com
Thu Oct 1 07:46:35 MSD 2015


Thanks I'll give it a whirl and try to compile.

On Wed, Sep 30, 2015 at 11:44 PM Anthony Minessale <
anthony.minessale at gmail.com> wrote:

> 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
> _________________________________________________________________________
> 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
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