Re: CVBS Video Switch (non-genlocked)

On Tue, 07 Jun 2005 10:32:40 +0200, Trond-Ivar Lynghaug
<ti.lynghaug@xxxxxxxxxxxxxxxxxx> wrote:

>"Quack" <alex+google@xxxxxxxxxx> wrote:
>
>>Perhaps i should just 'break <pause> before make' ... i think i will
>>start experimenting this way rather than try to buffer the video and
>>remove the bad frame completely, if i can force it to be bad 'in a good
>>way', then thats okay too - i can pause the digitzing device (not
>>capture data) for upto 200ms, so the goal is to have it resync within
>>200ms.
>>
>
>This is probably the easiest solution. By removing the signal
>completely for a few frames, the decoder will probably lock to the new
>signal a lot faster, when you apply it.
>You can experiment with the length of the "no-signal" duration to find
>the optimum time.
>
>Trond-I.

That jogged my memory. The trick is to fade to black, switch to the
new video source which is held to black, pause for sync to occur, then
"fade-up".

...Jim Thompson
--
| James E.Thompson, P.E. | mens |
| Analog Innovations, Inc. | et |
| Analog/Mixed-Signal ASIC's and Discrete Systems | manus |
| Phoenix, Arizona Voice:(480)460-2350 | |
| E-mail Address at Website Fax:(480)460-2142 | Brass Rat |
| http://www.analog-innovations.com | 1962 |

I love to cook with wine. Sometimes I even put it in the food.
.

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