Good Day,

Alvin and Ambarish do you have any suggestions which can make things better.
Thanks

Anand Ayyappan


"Formal education will make you a living; self-education will make you a
fortune." - Jim Rohn

Visit http://indya.co to post classifieds for free

<http://www.mozilla.com/?from=sfx&uid=165364&t=557>


On Mon, Oct 31, 2011 at 8:26 AM, Anand Ayyappan <[email protected]>wrote:

> HI All,
>
> Had testing yesterday evening every thing went fine except and audio video
> sync. The voice quality was good but it was never synchronized with the
> video and also the video was freezing mostly. It would be of great help if
> any one can suggest a method to prevent this issue from occurring.
> Expecting a positive response from all.
>
> The test scenario was this.
>
> Server : Ubuntu OS with 4 Gb Ram and 1000 mbps connectivity.
> Moderator / Teacher : 1 Mbps upload link
> User : 512 kbps
>
> Only the moderator video was shown with audio from user side (only one
> user at a time). A slide was also played along with chat from the users.
>
>
> Thanks
>
> Anand Ayyappan
>
>
> "Formal education will make you a living; self-education will make you a
> fortune." - Jim Rohn
>
> Visit http://indya.co to post classifieds for free
>
> <http://www.mozilla.com/?from=sfx&uid=165364&t=557>
>
>
> On Sun, Oct 30, 2011 at 2:04 PM, Anand Ayyappan 
> <[email protected]>wrote:
>
>> Good Day,
>>
>> Thanks Alvin and Ambarish for your inputs.
>>
>>
>> Our case scenario is one teacher taking the class only his video will be
>> shown to all connected also a presentation will be loaded on the white
>> board as the study material. The issue i was facing during the test was
>> that the clients are mostly connected to 256 kbps connections and they are
>> getting good audio but the video is getting stuck. We have made some
>> changes in the video quality side and changed the framerate to 15 frames
>> per sec hope this will make things better. Any way i am having a testing
>> today will get back with the details after the testing is done.
>>
>>
>>
>> Thanks
>>
>> Anand Ayyappan
>>
>>
>> "Formal education will make you a living; self-education will make you a
>> fortune." - Jim Rohn
>>
>> Visit http://indya.co to post classifieds for free
>>
>> <http://www.mozilla.com/?from=sfx&uid=165364&t=557>
>>
>>
>> On Sat, Oct 29, 2011 at 9:37 PM, [email protected] <
>> [email protected]> wrote:
>>
>>> Anand,
>>>
>>> I did some load testing the last couple of weeks and here are some of
>>> the stats and observation that might help you:
>>>
>>> 1. The typical bandwidth use of OM if a single moderator has is doing
>>> desktop sharing and using the whiteboard is about between 50Kb-100Kb
>>> per user. This is the typical presentation type conferences where only
>>> the moderator goes through his materials and chat questions are coming
>>> through. Also, the desktop sharing quality at this point was set to
>>> high so you still have some option to downgrade the bandwidth use.
>>>
>>> 2. If you start adding voice, multiple moderators, mutliple people
>>> sharing desktops, multiple people chiming in the whiteboard, etc.. the
>>> bandwidth usage spikes and can consume about up to 4-6 Mb per
>>> moderator. You have to remember that these are spikes are not
>>> consistent usage. But if your network connections are lower than that,
>>> then you will easily see degradation in the conference.
>>>
>>> I don't know what type of features and number of attendees you were
>>> planning to use OM. But overall, I've seen commercial products behave
>>> in the same fashion so OM is not that different from them. If you need
>>> more details and the exact stats, I can provide that next week when
>>> I'm back in the office.
>>>
>>> Alvin
>>>
>>> On Oct 29, 1:24 am, Anand Ayyappan <[email protected]> wrote:
>>> > Good Day,
>>> >
>>> > We are planning for a implementation of openmeetings for conducting
>>> online
>>> > sessions for students in India, as every one of you are aware the
>>> bandwidth
>>> > availability is always an issue in India. I would like to have inputs
>>> from
>>> > the large openmeetings user community who have implemented such
>>> projects
>>> > regarding the optimal settings that would be useful in such scenarios.
>>> >
>>> > Expecting a response from the members.
>>> >
>>> > Thanks
>>> >
>>> > Anand Ayyappan
>>> >
>>> > "Formal education will make you a living; self-education will make you
>>> a
>>> > fortune." - Jim Rohn
>>> >
>>> > Visithttp://indya.coto post classifieds for free
>>> >
>>> > <http://www.mozilla.com/?from=sfx&uid=165364&t=557>
>>>
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>>>
>>
>

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