Audio and Video

A Mess Of Audio Cables

Hackaday has spent several months in this series journeying through the world of audio. Now it’s time to descend into one of the simplest yet most controversial areas of audio reproduction. Every audio component, whether digital or analogue, must be connected into whatever system it is part of, and this is the job of audio

Friday Art: Space Debris

Space Debris is a famous Amiga mod composed back in 1991. This is a short story about how the composer made the song, and what it was like to make music on the Amiga at the time. If you don’t know what “Amiga” or “mods” are, no worries, just read on at https://markuskaarlonen.com/space-debris Listen to

Audio and video trends 2022

There’s no doubt that the audio visual industry has proven its ability to survive and thrive in trying times. Global events have facilitated the rapid evolution of audio visual technologies, and these only continue to advance. Here are some audio visual trends for 2022 collected from many sources (click the link colored to text to

Millenium DI-E teardown

Millenium DI-E is a DI Box. It is pretty much the cheapest (around 12 Euros) DI box you can find that still does it’s job acceptably. The unit is passive and has ground and ground lift. IT allows you to select to use the input with either an instrument or speaker level signal. Here is

Special transverse sound wave

Research team at City University of Hong Kong (CityU) has discovered a new type of sound wave: The airborne sound wave vibrates transversely and carries both spin and orbital angular momentum like light does. The findings shattered scientists’ previous beliefs about the sound wave. “While the airborne sound is a longitudinal wave in usual cases,

Max Headroom signal hijacking

Happy Max Headroom signal hijacking day!! https://en.m.wikipedia.org/wiki/Max_Headroom_signal_hijacking The Max Headroom signal hijacking occurred on the night of November 22, 1987, when the television broadcasts of two stations in Chicago, Illinois, United States, were hijacked in an act of broadcast piracy by a video of an unidentified person wearing a Max Headroom mask and costume. According

HDMI cable EMC failures

It seems that he quality of video cables sold in EU should be much better than it is now. I am not talking about mechanical strength or ability to transfer signal through, but the electromagnetic compatibility. The Swedish Electrical Safety Agency, together with other authorities within the EU, has tested HDMI and antenna cables. EMC

SDI, HD-SDI, 3G-SDI, 6G-SDI and 12G-SDI

SDI is a one-way, multiplexed protocol designed to carry the highest quality video, audio and metadata over a coaxial cable or fiber. SDI is a professional video signal that is preferred in production environments because of its longer range (up to 300 feet) and reliability. If you’re in an environment in which your cable could