Mary C. Gruszka

Audio and video fingerprints are bits of data derived from certain characteristics of each type of content.

File-based loudness processing, as one might expect, operates on audio files, either standalone, or extracted from an audio/video file such as MXF.

Head-related transfer functions are essential to creating a realistic immersive (or 3D) audio experience over headphones.

My early audio and engineering education wasn’t just fashioned from textbooks and classroom lectures.

As new technologies emerge they add to and complement what’s come before, or replace existing structures.

The problem is that not everyone perceives lip sync errors in the same way.

When you think of an acoustical material, what comes to mind? Maybe some kind of dark gray foam glued to a wall? Perhaps orange shag carpeting?

Even if you've been in audio for years, there are always new things to learn.

While a podcast need not necessarily be of "broadcast quality," neither should audio quality be ignored.

It's said that nature abhors a void, so it didn't take long for other types of data to fill this space, digital audio being the most common.

It's truly amazing the extent of available measurement tools that literally fit in the palm of a hand.

But how meaningful are these specs? Do they provide the information we need to differentiate performance among competing models?

Before the TEF analyzer came along, one would need a shelf full of different and expensive instrumentation

An Audio By Design reader named "Bro Duke," writes in about his microphone pet peeve, "their lack of internal filters.