Stereophile magazine's John Atkinson loved the Asus Xonar Essence ST/STX sound cards. They are, by far, the least expensive way of turning a PC into a genuine high-resolution audio source. Ex-movie ...

Does it make sense to use an audio interface to input audio into your computer? For some users — it’s still a useful tool. Professional musicians are already familiar with the difference between an ...

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 ...