Creating Video From a ROM
We’re used to computers with display screens, yet how many of us have created the circuitry to drive one directly? Sure, we’ve coded up an SPI display driver on a …read more Continue reading Creating Video From a ROM
Category Archives: analog video
History of Closed Captions: The Analog Era
Closed captioning on television and subtitles on DVD, Blu-ray, and streaming media are taken for granted today. But it wasn’t always so. In fact, it was quite a struggle for …read more Continue reading History of Closed Captions: The Analog Era
Scanimate Analog Video Synths Produced Oceans of Motion Graphics
Why doesn’t this kind of stuff ever happen to us? One lucky day back in high school, [Dave Sieg] stumbled upon a room full of new equipment and a guy …read more Continue reading Scanimate Analog Video Synths Produced Oceans of Motion Graphics
Full-Colour, Full-Motion Video – On An Audio Cassette!
A lot of projects we feature use video in some form or other, but that video is invariably digital, it exists as a stream of numbers in a computer memory or storage, and is often compressed. For some of us who grew up working with composite video there is a …read more
Continue reading Full-Colour, Full-Motion Video – On An Audio Cassette!
AV Synth is Psychedelic Analog Mayhem
Digital video is cool and all, but it can’t compete with analog in terms of smooth, creamy glitches and distortion. [gieskes] has developed an analog audio-visual synthesizer that is a great example of the old-school retro visuals you can create with a handful of simple components.
Known as the 3TrinsRGB+1c, it’s available both assembled and in kit form. It’s probably best to start with the manual. Synthesis is achieved through the use of a HEF40106 hex inverting buffer – a cheap and readily available part that nonetheless provides for excellent results. Video can be switched between RGB oscillators and a …read more