[PD] direct connection from pd to webrowser, low latency

Jonathan Wilkes jancsika at yahoo.com
Fri Apr 26 18:41:12 CEST 2013

----- Original Message -----

> From: IOhannes zmölnig <zmoelnig at iem.at>
> To: pd-list at iem.at
> Cc: 
> Sent: Friday, April 26, 2013 5:21 AM
> Subject: Re: [PD] direct connection from pd to webrowser, low latency
> On 04/25/2013 04:36 PM, onyx at onyx-ashanti.com wrote:
>>  Thanks for getting back to me do quickly.
>>  Is there a network audio object (s) that can output  standard formatted
>>  audio?
> i've started writing an RTP infrastructure for Pd [1], though it 
> currently only supports uncompressed audio.
> RTP is a pretty standard protocol, and latency can go down to a few ms.
> there are also RTCP components.
> keep in mind though, that this is not a "plug-and-play" object, but 
> instead a framework (so you might need to know what RTP is and ow it 
> works in order to get it do what you want).
> whether it works in browser or not, i don't know.
> keep in mind, that browsers are still mainly consumer goods, and as such 
> latency doesn't matter so much (if you only listen to a stream on a 
> remote place it doesn't matter if it is 10ms behind or 2mins - since 
> there is no feedback and nothing to compare with, tere is no 
> "absolute" 
> time)


There's already a working demo for audio/video conferencing with firefox nightly
(and maybe chrome).

One of the claimed benefits is the ability to connect and send data
peer-to-peer with nat traversal, although the claim is made in such a
cavalier manner about such a disruptive feature that I'm suspicious
there are a thousand catches.


> gfamdr
> IOhannes
> [1] https://github.com/iem-projects/pd-iemrtp
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