The distinction between analog and digital signals is very simple, but it can still be a challenge to wrap one's mind around the concepts that define the two systems. Just when you think you've got it ...

In the first installment of this course, we learned that a digital value is a quantity that varies “in steps” and can take on only a finite number of values. In today’s logic systems, only two ...

If you want to dabble in audio digital signal processing, you would probably think of grabbing a dedicated DSP chip. But ...

A digital signal processor (DSP) is a specialized microprocessor that performs mathematical operations with lightning speed. For instance, a DSP might perform the mathematical operations necessary to ...

Pulse density modulation (PDM) is a compact digital audio format used in devices like MEMS microphones and embedded systems. This compact primer eases you into the essentials of PDM audio. Let’s begin ...