Leedh, What’s The Fuss?

Copyright 2022 Robert A. KatzRecently a visitor to my site brought to my attention a white paper by Leedh processing, purporting a new “lossless” way to attenuate. https://www.processing-leedh.com/copie-de-presentation. The authors …

That’s Hat

Copyright 2022 Robert A. KatzThe Effect of Hats on Frequency ResponseI’ve always been concerned about the sonic effect of hats. The reflections from the brim cause comb filtering and create …

How to Get in Touch with Bob

I recently received a message request on Facebook messenger from someone who is not in my contacts. It took me 4 days to see the message. Please remember that Facebook …

Subwoofer Test Files Updated

The subwoofer test files on our website so people can play them in a media player.  You no longer have to create a CD. The information can be found here. …