Dr. AIX’s POSTS

Comparing Formats

I’ve been working a lot on the Blu-ray demonstration disc, which will accompany the “Music and Audio: A User Guide to Better Sound”. My current goal is complete everything for the book within the next couple [...]

MQA: It’s Everywhere, It’s Nowhere

The good folks at MQA have done a great job at getting their technology and message out. Never mind about the benefits of the “authentication” process or the technical merits of the “origami” folding of ultrasonic [...]

A New Chapter

I know there’s been a long pause between this post and the previous one. I’ve been exceptionally busy, took a long weekend in Big Sky, Montana to ski with some close friends, started a new semester, [...]

Post CES Report

I returned from the 2017 CES Show on Sunday afternoon a week ago after supporting the Comhear/MyBeam demo suite in the Venetian for the three days. Unfortunately, I didn’t get many chances to escape the craziness [...]

CES Show: Day One

I drove from Los Angeles to Las Vegas yesterday afternoon to get ready for the 50th anniversary CES Show. Apparently, they don’t call it the Consumer Electronics Show anymore — it’s simply the International CES Show [...]

Upgrading Fidelity: Fact or Fiction?

Is it possible to “improve” the basic audio fidelity of a recording after the fact? I know audiophiles strive to get every last bit of tone color, spatial distribution, warmth, clarity, and detail out of their [...]

A Little Help From My Friends

I finished reading and grading three stacks of final exams (130 4-page exams), listened to dozens of homework assignments, watched 40 final DVD projects, tabulated totals for every one of my students, and submitted them online [...]

Hi-Res Audio Pavilion at CES 2017

During previous CES Shows, the good folks at the CTA, DEG, and NARAS put together a Hi-Res Audio “Tech Zone” in a ballroom at the Venetian Hotel. They invited hardware and software companies to participate with [...]

Pre-Emphasis Part II

Last time, I talked about the use of pre-emphasis (and de-emphasis) in the cutting of disc masters used in the creation of vinyl LPs. The RIAA curves dramatically alters the frequency contour on both the record [...]

Pre-Emphasis: Part I

It was very busy Thanksgiving weekend at the Waldrep household. I’m ready to get back to the university and my normal schedule tomorrow. It’s always crazy with the traditional holiday feast but our family has the [...]