Hi, I have used multiple KWorld DVD Maker USB 2.0 cards (well, 2 at the same time) on the same computer. I haven't tried them with AG or VC, but they can capture up to 720 x 576, so they should work well with a Sony EVI-100P (which claims to have 752 x 582 effective pixels).
Andrew :) --------------------------------------------------------- Andrew G D Rowley Senior Development Officer Research Computing Services The University of Manchester Devonshire House, Oxford Road Manchester, M13 9PL t : +44 (0) 161 275 0685 e : andrew.row...@manchester.ac.uk w : www.manchester.ac.uk/researchcomputing --------------------------------------------------------- > -----Original Message----- > From: ag-tech-boun...@lists.mcs.anl.gov [mailto:ag-tech- > boun...@lists.mcs.anl.gov] On Behalf Of Lloyd Pearson > Sent: 04 March 2010 03:54 > To: 'Tran, Quang V.' > Cc: 'ag-t...@mcs.anl.gov' > Subject: Re: [AG-TECH] Sending audio/video/desktop from Access Grid PCs to > traditional conferencing systems (Tandberg, Polycom) > > Hello Quang Tran, > > We have used Sony EVI-100P cameras connected using composite video > captured through a Spectra8 capture card and also using the S-video output > captured using a "Belkin Hi-Speed USB 2.0 DVD Creator" Model F5U228. (The > Belkin device captures composite or S-video to USB.) > Image quality was significantly better via the S-video and Belkin than > with the composite video into the Spectra8 card. > > However the cable quality in both cases was highly significant for image > quality: Composite was close to S-video quality when a high quality coax > cable was used, but very much poorer when audio type RCA-Phono leads were > used. > S-video quality was also very noticeably affected by cable quality. Of > four S-video cables tested, all about 6m long and with molded connectors, > the quality varied from excellent to poor. The better two of these cables > were about 8mm in diameter, the poorer two were about 5mm. I don't know > the construction of any of these, but twin-coax is almost certainly going > to be better than simple 4-core. > > We have used Mirial for H.323 communication on our Access Grid PC's > running Windows XP. It has one significant problem: When using the > Spectra8 capture card, the maximum resolution available is 352 x 288. No > similar restriction when using the Belkin device whether capturing > composite or S-video. > > We have been unable to use multiple Belkin devices successfully on one PC > - a second Belkin tends to drop frames and give jerky video, but I haven't > investigated this in any detail. > > Regards, > Lloyd Pearson > AVCC Operator > University of Otago > Ph +64 3 479 8997 > lloyd.pear...@otago.ac.nz > > > -----Original Message----- > From: ag-tech-boun...@lists.mcs.anl.gov [mailto:ag-tech- > boun...@lists.mcs.anl.gov] On Behalf Of Tran, Quang V. > Sent: Thursday, 4 March 2010 7:53 a.m. > To: ag-t...@mcs.anl.gov > Subject: [AG-TECH] Sending audio/video/desktop from Access Grid PCs to > traditional conferencing systems (Tandberg, Polycom) > > Hi All, > > We are testing 2 software from Polycom (Polycom PVX) and from Tandberg > (ConferenceMe) that will allow us to connect existing Access Grid PCs to > traditional video conferencing systems. These software work on Windows > platform and they allow us to join traditional video conference by > connecting to a Tandberg or a Polycom bridge. We install the software > on our existing Access Grid computers and are able to send > audio/video/desktop to the bridges. > Both software only work with USB or DV cameras. They do not work with > video capture cards but we think that it is possible to convert S-Video > or composite feed from our Sony EVI-D100 PTZ cameras to DV using the > Canopus ADVC110. More testing will be done and we will post the > results. > > Thanks, > Quang Tran > IT Analyst > LSUHSC - New Orleans > (504) 568-2877 Office
