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Mixer de video simple - 2 a 1

"SIMPLE Y SUCIO"

As it is said in Karlklomp:

Dirt & Cheap Non-Sync Video Mixer. Just one potentiometer and some connectors and you have your self a video mixer. Well, not really sync but its mixing, haha. Simple and dirty. If you leave the knob in the middle the signal it losses sync on the output. Now, you could change the switches into push buttons and have yourself a simpler switcher. It isn’t gritch free but it doens’t need any power or parts.

I made two switches onit so you can change input 1 and 2 to the other side of the knob. Its also there to have the option for normal image. If you leave the two signals on the pot it will be slidly visual as a vertical rolling image. For this you need a 1 k ohm potentiometer, 3 RCA connectors, 2 switches (SPDT) and a enclosure. Connect the inputs to both switches, one input to each switch. Connect the output of the switches to the side pins of the pot and the middle is your video out.

EXTRA!!! EXTRA!!!
Vuelve el Blog como forma de estrategia comunicacional.
Según un estudio de la universidad de Oxford, el 92% de los artistas multimediales cree ser un experto en tendencias cibernéticas de consumo masivo a futuro. Por eso me tomo el atrevimiento de predecir dos cosas. La cosa primera. Que este es un medio donde podemos postear videos, imagenes, sonido, links, texto, etc de manera sencilla, personalizada y directa, sin la necesidad de tener que bajar nada. La cosa segunda. Que según un estudio cientifico de la universidad de Michigan, el 82% de las frases que comienzan con "según un estudio cientifico...", no son verdad.

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Después de ese pésimo chiste, les dejo este video de un artista visual llamado Karl Klomp que trabaja con video analogico. Esta maquina se llama "Rupter", va por la versión numero 1.3, y en su pagina Karl nos ofrece las esquemáticas del Vsynth.


rupter 1.3 de karl klomp.

"The rupter! Introducing a from scratch build imperfect device that will kill your video signal. As good as it looks as bad it will react. No, its actually working pretty fine. The hardest part is to keep the signal clean. These chips (AD8072) are basic dual video opamp that are normally used in vcr's to amp or filter a video signal. Its very easy to create a working circuit but when you start bending around you'll notice the lack of stability very quickly. It took me some time to have the effects working without extra noise or no video atall. Also within the power conversion I took out the capcitors that will filter extra noise on the signal. This gives the eventual output a higher gain. all sold... waiting on parts to build some more..."