Audio and Video

Audio transformer DC

Transformers will only work with a changing current (AC). Transformer only works on AC and can’t be operated on DC i.e. it has been designed to be operated only and only on alternating current and voltage. The transformer works on the principle of mutual induction, for which current in one coil must change uniformly. The

Winter Olympics 2022

The 2022 Winter Olympics, officially called the XXIV Olympic Winter Games and commonly known as Beijing 2022, is an ongoing international winter multi-sport event that is scheduled to officially open on 4 February 2022 and is taking place in Beijing, China. The 2022 Winter Olympics are scheduled to include a record 109 events over 15

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,