John’s Entertainment Technology Blog has an interesting series of postings related infra-sound (sounds lower in frequency you can hear): Gravesend Inn-frasound: Subsonic Show Business article says that 19Hz standing air wave may under certain conditions create sensory phenomena suggestive of a ghost. Gravesend Inn-frasound: The Experiment tells about a psychological experiment made on the effects →
Gold on HIFI connectors is quite much talked about subject. This article tries to give some information on gold planted connectors so you could decide case by case if they are good idea to use or not. Gold connectors are very much hyped on cable advertisements. Gold is equated with being expensive so having something →
Let us count the ways these modern marvels of technology drive us bonkers, day after day. Fifteen Consumer Electronics Design Mistakes article shows how thing have gone wrong. Avoid making those and similar mistakes on your own designs. →
If you’ve ever had a problem getting two chips to talk, or wanted to reverse engineer a protocol, a logic analyzer is the right tool for this. Logic analyzer only detects digital high and low digital states, it records many signals simultaneously and allows to dump data to a computer for analysis. Logic analyzers can →
Solid-state-lighting applications are quickly moving into the mainstream. Testing the driver circuit using LEDs, although easy, yields only typical results. Accurately simulate an LED article shows a circuit that you can use to test your LED drive circuit with worst-case LED parameters. You can easily tune this one transistor test circuit for any LED voltage. →
At one point or another, you will probably find yourself needing to solder a SMD (Surface Mount Device) package. Many people here might think SMD soldering is almost impossible. SMD soldering is usually a lot easier than it looks! First you need right tools. The tweezers are very important in the entire SMD soldering process. →
A format war occurs when two incompatible versions of a similar technology begin to compete against one another in the market. This has happened many times in audio/video field, but it is not unknown on other fields of technology. Top 10 Format Wars article tells about ten of the most famous examples. In almost every →
Renowned audio design guru Douglas Self has published many audio related articles and books. Some of them can be read on the web. Self on Audio book consists of collected works from 30 years of magazine writing: all the classic preamplifier and power amplifier designs. This is really worth to read collection of articles to →
LED-based lighting is still far from a mainstream technology, and its designs are in flux. Early SSL products are making their way onto store shelves and into inventory. LED lighting teardowns: Five lighting designs that illuminate the future of lighting article shows product examples that can indicate what direction SSL design will take, at least →
Very much hyped Mobile TV seems to be doomed. Mobile TV bubble has been busted. Consumer uptake had never met expectations for the mobile TV service. There has been very much worldwide Mobile TV subscriber uptake than projected by many. Separate mobile TV broadcasting networks seems to be doomed to demise in most markets. DVB-H →