Mark Waldrep, aka Dr. AIX, has been producing and engineering music for over 40 years. He learned electronics as a teenager from his HAM radio father while learning to play the guitar. Mark received the first doctorate in music composition from UCLA in 1986 for a "binaural" electronic music composition. Other advanced degrees include an MS in computer science, an MFA/MA in music, BM in music and a BA in art. As an engineer and producer, Mark has worked on projects for the Rolling Stones, 311, Tool, KISS, Blink 182, Blues Traveler, Britney Spears, the San Francisco Symphony, The Dover Quartet, Willie Nelson, Paul Williams, The Allman Brothers, Bad Company and many more. Dr. Waldrep has been an innovator when it comes to multimedia and music. He created the first enhanced CDs in the 90s, the first DVD-Videos released in the U.S., the first web-connected DVD, the first DVD-Audio title, the first music Blu-ray disc and the first 3D Music Album. Additionally, he launched the first High Definition Music Download site in 2007 called iTrax.com. A frequency speaker at audio events, author of numerous articles, Dr. Waldrep is currently writing a book on the production and reproduction of high-end music called, "High-End Audio: A Practical Guide to Production and Playback". The book should be completed in the fall of 2013.

3 thoughts on “NPR Hearing Quiz Part III

  • NPR, talk about pseudo based rants. Looks like they found another victim. anyone who’ll “listen”, no pun intended.

  • I’d love to try a quiz you put together. Good luck getting the code, etc.

  • Camilo Rodriguez

    Hi Mark,

    NPR has a very wide audience and it would be a really interesting opportunity to set up a proper test complemented with Spectagrams, charts and additional info to show people the key elements that determine the quality of recordings and the music they buy. The one problem I see in setting up a test is the equipment people will use, but that’s of course also part of the results and HRA problematic itself, and should be a significant factor to consider.

    I also think it’s a great opportunity to pitch a short version of the keynote speech you have been giving at the opening of audio shows to a wider audience – or maybe a series of articles -, and reach people beyond the audiophile and audio geek crowd on a more mainstream platform. From pretty much the same place the misinformation and hype from the usual suspects comes from.

    On another note, I have always thought you should do a TEDtalk, which certainly has a more viral potential. Ever thought of that?

    Anyhow, all of your above ideas are good ideas, let’s just hope the people at NPR are open to them.



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