Designs for audio amplifiers with DC coupling to the load are not often encountered these days, even though they offer definite advantages. One advantage is that there is no need for the complication ...

There are several technical features required of capacitors used in professional audio and music applications. High-fidelity and noiseless audio-filtering features are necessary without any compromise ...

Personal-computer sound cards are sometimes used for analog audio signal acquisition. Also, the Web features many free programs that implement virtual two-channel oscilloscopes by acquiring signals ...