[Alan’s] friend came to him with a problem. He loved listening to his scanner, but hated the volume differences between stations. Some transmitters would be very low volume, others would nearly blow ...

This stereo audio switch circuit allows that with only one switch to select one of the four stereo channels. The internal switching is made posible with CMOS components. Each switch input includes a ...

This active splitter for laptop audio-out is powered from a USB and provides individual channel gain of 39 dB and individual volume control of a head-phone channel. The circuit uses two TDA2822M audio ...

Over the past 20 years, the audio services that telcos supply to broadcasters have migrated from balanced analog copper circuits to digital solutions based on synchronous E1 and T1 networks. The next ...

Over an E1 circuit, MusicLine 2000 is capable of delivering two 15 kHz stereo signals plus an additional 15 kHz Mono signal or, alternatively, a combination of voice communications (engineering ...

The Stereo Field is an intriguing box of synthesized tricks which contains mirrored stereo circuits that are manipulated through touch. When a player's skin touches plates on the upper surface, points ...

One big factor in avoiding the pickup of power line hum in audio circuits is to keep audio cables away from any power lines, cables or circuits (most notably power transformers). Use good cable ...