Category Archives: Video

How many bits can you hear? video

Posted on April 10, 2022 by Nigel Redmon

A listening test in video form. On the plus side, it’s helpful to see the spectrum as it’s playing, and a peak meter to see how the sweeps compare to each other, and to the announcing voice. On the minus … Continue reading →

Posted in Digital Audio, Video | Tagged bit level, dynamic range, listening test, video | Leave a comment

Amplitude Modulation Principles and Interactive Widget video

Posted on October 29, 2020 by Nigel Redmon

This video demonstrates important uses of AM—and serves as a demonstration of using the AM widget.

Posted in Amplitude Modulation, Digital Audio, Video | Leave a comment

Amplitude Modulation Deep and Fast video

Posted on October 29, 2020 by Nigel Redmon

Here’s Amplitude Modulation Deep and Fast, a not too lengthy video that gets to the roots of what amplitude modulation does mathematically. I’ve referred to AM’s role in sampling theory in past articles, and its relatively simple math makes understanding … Continue reading →

Posted in Amplitude Modulation, Video | Leave a comment

Dither—The Naked Truth video

Posted on January 22, 2015 by Nigel Redmon

This video presents the “naked truth” on dither and truncation error, by stripping away the original signal of a musical clip and listening at different bit levels. I boost the error to a normalized audio volume for easy comparison of … Continue reading →

Posted in Digital Audio, Dither, Video | 2 Comments