Thanks at all for the spec. In these mounth I work around a webrtc connection on old tablet .... It work .... but as I write I not investigate about timing performances ... my first idea was to convert arrays into arrays of images and vice versa .... so as to exploit a large amount of data (1bite = 1pixel) .... it is true that it is impossible to get to transmissions with timing of 5ms. So I welcome the suggestion of everyone to turn the attention to other layers and prototypes of transmissions .... I close the speech because it seems more like an idea that came to me after too many glasses of beer.
I'm still looking for good data transmission protocols, in safety and with real-time characteristics. Obviously Open. The proven protocol is ok. Actually I I tried both ethercat and rt-ethernet and also opensafety .... but I have not found satisfaction with industrial devices until now. regards 2018-01-26 5:07 GMT+01:00 Chris Albertson <albertson.ch...@gmail.com>: > webrtc is spec's for about 1 second round trip time. This would be hugely > annoying to use. Unacceptable lag. But one second is the worst case > and you would be FAR better than that if you have a small network all > contained one room with only two devices connected. > > I think yo might do better NOT using webrtc and going with just the > underlaying protocol "RTP". I don't see what the webrtc layer buys you > over RTP. Any brewers that supports webrtc must support RTP > > I've read and it is backed u with experience that you need latency LESS > THAN 50 ms if you want it to be mostly undetectable by humans. RTP is a > lite layer one just lain old UDP so it might have a fairly quick best case > time. > > I'm guessing you want to use this so you can use a phone or tablet as a > wireless pendent controller. RTP might work but your phone/tablet also > has other radios on it that might offer lower latency. Blue Tooth comes > to mind. BT works well enough to be used as a mouse and keyboard. My BT > based devices have zero perceicable lag. I'd defiantly go with BT over > WiFi for a controller. > > On Thu, Jan 25, 2018 at 3:27 PM, theman whosoldtheworld < > bleachk...@gmail.com> wrote: > > > I not analize timing performances of webrtc app ... but someone think is > > possible use webrtc tecnology as remote Lcnc control? I think at qt app > > that send array data over rtc protocol ... not well think about mechanism > > ... actually I'm only impressionate about video calling latency > > performances .... sometime better than direct pc capture. At last an > image > > is only a bi-dimensional array, So a mask may be a simply way to decode > the > > signal. > > > > I remember a work of Sir. Kuminski about quik tecnology .... > > > > bkt > > ------------------------------------------------------------ > > ------------------ > > Check out the vibrant tech community on one of the world's most > > engaging tech sites, Slashdot.org! http://sdm.link/slashdot > > _______________________________________________ > > Emc-users mailing list > > Emc-users@lists.sourceforge.net > > https://lists.sourceforge.net/lists/listinfo/emc-users > > > > > > -- > > Chris Albertson > Redondo Beach, California > ------------------------------------------------------------ > ------------------ > Check out the vibrant tech community on one of the world's most > engaging tech sites, Slashdot.org! http://sdm.link/slashdot > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users > ------------------------------------------------------------------------------ Check out the vibrant tech community on one of the world's most engaging tech sites, Slashdot.org! http://sdm.link/slashdot _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
