Dr. AIX

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 “DSD: Worst Practices

  • November 21, 2014 at 8:22 pm
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    Mark,

    Please post an article discussing 96/24 PCM and the digital filters needed to make it work well.
    In particular, the filters companies such as Arye Acoustic design and use that don’t have much
    ringing in the time domain and don’t have pre-echo, which is not a sound that occurs in nature.

    Thanks,
    Scott

    Reply
    • November 23, 2014 at 12:14 pm
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      Scott…thanks for the suggestion. I’ll try to get to that soon.

      Reply
    • November 23, 2014 at 4:15 pm
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      Don’t forget to take the frequency of pre-echo into account, because nothing matters if it is inaudible.

      Reply

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