[Freeswitch-users] World Record with Freeswitch

Thomas lists at virtues.net
Mon Jun 8 18:57:57 MSD 2015


"Exactly"? - no. :-) Those left at home made a Storify for it, but it doesn't have much tech info: 
https://storify.com/inquality/world-record-attempt-using-ipdtl ...

Basically it went from Chrome (ipdtl.com) to a Freeswitch installation in the US, because the direct path to the UK was 
riddled with packet loss, and from there to a Comrex Bric in Wales. Freeswitch was important, because it allowed us to 
influence the path and to remove Chrome's DTLS encryption, so the Comrex could work with it. The location in Patagonia 
was a private home with a consumer 512/2048kbit DSL uplink, the audio was 64kbit/s Opus mono.

They used a "click track" to sync the singers. We were playing a CD with the clicks in Patagonia and everyone joined in 
on the 12th click. Quite low tech. :-)

Disclaimer: I'm not with the BBC. I was there for In:Quality / ipDTL.

On 07.06.2015 22:03, Ken Rice wrote:
> Is there more documentation on exactly how this took place?
>
> Sent from my iPhone
>
>> On Jun 7, 2015, at 6:28 PM, Thomas <lists at virtues.net> wrote:
>>
>> I thought you might be interested to know that this:
>>
>> http://www.bbc.com/news/uk-wales-33031520
>>
>> ... involved Freeswitch between Chrome and a Comrex Bric. :)
>>
>> Cheers!
>>
>> P.S.: A video of the transmission is here:
>> http://www.bbc.co.uk/programmes/p02t3b36?ns_mchannel=social&ns_campaign=bbc_wales&ns_source=twitter&ns_linkname=wales
>>
>>
>>
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