Audio and Video

Cassette Tape, it’s inventor and DIY projects

The Compact Cassette, also commonly called the tape cassette,[2] cassette tape, audio cassette, or simply tape or cassette, is an analog magnetic tape recording format for audio recording and playback. It was developed by the Dutch company Royal Philips in Hasselt, Belgium, by Lou Ottens and his team. It’s with sadness that we note the

Windows 10 built-in video editor

Windows 10 has a hidden video editor as part of part of the Photos app. How to Use Windows 10’s Hidden Video Editor article gives instructions how to use this simple but useful for many simple tasks video editor. While this isn’t the most powerful video editor you can get on Windows, it’s surprisingly capable.

Mains power EMI noise filtering

Because of the presence of mains current in mains-powered audio equipment as well as ubiquitous AC electromagnetic fields from nearby appliances and wiring, 50/60 Hz electrical noise can get into audio systems, and is heard as mains hum from their speakers. In addition to mains frequency humming, the mains power can also contain higher frequency

VideoLAN 20 years

VideoLAN (VLC) is a free, open source multi-platform media player and environment that plays most media files and DVD-VCDs as well as Audio CDs and various streaming protocols. VLC media player (previously the VideoLAN Client and commonly known as simply VLC) is a free and open-source, portable, cross-platform media player software, and streaming media server

Dirt cheap frame grabber

This is a story of a a video digitizing circuit I built early 1990′s. It kind of worked, but was not practical then and much less useful nowadays. It is an interesting how simple circuit could be used for converting analogue composite video signal to digital for computer processing. This is the story of Dirt

USB cameras connected to Android 10 device do not work

I used to use some external cameras like microscope and endoscope connected to my Android phone with OTG cable. Google Android documentation says that many standard USB cameras should generally work with Android: The Android platform supports the use of plug-and-play USB cameras (that is, webcams) using the standard Android Camera2 API and the camera

Audio cable testing articles

Here are two articles that could be interesting and entertaining to read. In this first article the writer uses audio analyzing tools to to debunk spurious claims made by audiophiles, HiFi journalists, and the high-end audio industry about the quality of their products. This article covers using audio analyzers and also using SDR software to