Date: Wed, 24 Apr 1996 23:56:53 -0700 From: "Amancio Hasty Jr." <hasty@rah.star-gate.com> To: Mark Tinguely <tinguely@plains.nodak.edu> Cc: multimedia@freebsd.org Subject: Re: 30fps with vic? Message-ID: <199604250656.XAA00413@rah.star-gate.com> In-Reply-To: Your message of "Wed, 24 Apr 1996 09:05:35 CDT." <199604241405.JAA00245@plains.nodak.edu>
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>>> Mark Tinguely said: > > > From: "Amancio Hasty Jr." <hasty@rah.star-gate.com> > > > > > > Say has anyone managed to get 30fps with CIF geometry (352x288) ? > > > > > > Tnks, > > > Amancio > > > > > From: "Jim Lowe" <james@miller.cs.uwm.edu> > > Sure, if I point my camera at a wall I get 30fps, 40kbps, in h.261 mode > > with vic. If I just do raw frame captures I can get 640x480x4x30fps. > > > > -Jim > > Yep, the compression of moving images causes the lower frame rate and increa sed > bandwidth. Because of this, IMHO, full quality video will require the > compression to be done on the capture board. for internet use, we probably > would want only MPEG 1 quality, but leased/wider bandwidth networks will use > MPEG 2. unfortunately, MPEG 2 capture boards are very expensive ($4-5K). Hi, My next question is: has anyone done a profile analysis on vic / h.261 to see if vic's performance can be improved? Tnks, Amancio
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