More about Audio (595)

1-07-2009 | Sometimes, on first hearing a new low- to mid-range CD player, the sound is not altogether convincing when compared to a record player. It i...

1-07-2009 | In practice, you rarely use more than 1 watt of audio power in a normal living-room environment. The only time most people use more is at a...

1-07-2009 | In order to be effective, any protection device connected between an audio amplifier output and the speakers needs to connect the load only...

1-12-2008 | Although they’ve been on the shelves of audio and video equipment retailers for quite a few years now, wireless headsets have been conspicuo...

1-07-2008 | The transmitter uses a well-known module manufactured for some years now by Aurel as their ‘FM audio transmitter’. It works in the licence-f...

1-07-2008 | This simple circuit indicates the amount of power that goes to a loudspeaker. The dual-colour LED shows green at an applied power level of a...

1-07-2008 | The simple circuit shown can prevent flat batteries by de-actuating a relay when no audio signal is detected for about two seconds.

1-06-2008 | The switch-mode power supply unit (SMPSU) is renowned for its efficiency but notorious for its design complexity, compared with its predeces...

1-11-2007 | Most people know of the visualisations in Winamp, Windows Media Player, XMMS and similar programs. They show hypnotising and colourful effec...

1-10-2007 | Valves (or ‘vacuum tubes’) are experiencing a real revival in the audio world, which can readily be seen from the large number of commercial...