Analog signal processing includes filters, shaping circuits, combiners, and amplifiers to change their shape and modify the content of analog signals. Audio signals contain a wide range of frequencies ...

The resulting equalizer is neatly built upon a PCB with a 4-AA-cell power supply, and makes for a self-contained audio component. Unexpectedly such analogue equalizer have been few and far between ...

According to MQA and Lenbrook, Qrono dsd grants performance enhancement which "exceeds the best analogue systems". Qrono dsd ...

If you’ve taken as much care with individual components, you’ll want to ensure that you are using the best possible cable within your system so that the audio signal is pure throughout. Chord Company ...

MQA Labs has launched Qrono dsd and Qrono d2a, a set of technologies that the group claims will improve the audio output of ...

A plug and socket for coaxial cable. RCA connectors are used for analog audio signals (see analog audio). They are also used for digital audio (see S/PDIF) and analog video (see composite video).