[GTALUG] CVT-RB: another video mystery

2023-06-19 Thread D. Hugh Redelmeier via talk
Video bandwidth is precious. In particular the HDMI standards seem to lag in providing the bandwidth I need. Partly because I run old hardware. One silly wast of bandwidth is blanking intervals. That mattered for CRTs since steering the electron beam took time. It should not matter for

Re: [GTALUG] CVT-RB: another video mystery

2023-06-19 Thread James Knott via talk
On 2023-06-19 14:47, D. Hugh Redelmeier via talk wrote: One silly wast of bandwidth is blanking intervals. That mattered for CRTs since steering the electron beam took time. It should not matter for LCDs. That doesn't make sense, especially when you consider how the digital system works,

Re: [GTALUG] CVT-RB: another video mystery

2023-06-19 Thread D. Hugh Redelmeier via talk
| From: James Knott via talk | | On 2023-06-19 14:47, D. Hugh Redelmeier via talk wrote: | > One silly wast of bandwidth is blanking intervals. That mattered for CRTs | > since steering the electron beam took time. It should not matter for | > LCDs. | | That doesn't make sense, especially

Re: [GTALUG] CVT-RB: another video mystery

2023-06-19 Thread James Knott via talk
On 2023-06-19 18:04, D. Hugh Redelmeier via talk wrote: Is such compression part of what HDMI carries? For computer monitors? Almost all compression used in video is lossy -- not what I want for a computer monitor I don't know the details of what HDMI, but compression would generally be done