Interesting Explanation

Discussion in 'Mastering' started by Don Schenk, Jul 22, 2003.

  • AT5047

    The New AT5047 Premier Studio Microphone Purity Transformed

  1. Don Schenk

    Don Schenk Active Member

    Jan 10, 2003
    Home Page:
    Check this out...

    (Dead Link Removed)
  2. Ethan Winer

    Ethan Winer Active Member

    Mar 19, 2001
    New Milford, CT USA
    Home Page:

    Great article. Thanks for linking it. I found this tidbit especially interesting:

    "The phase rotator is a chain of allpass filters (typically four poles, all at 200Hz) whose group delay is very non-constant as a function of frequency. Many voice waveforms (particularly male voices) exhibit as much as 6dB asymmetry. The phase rotator makes voice waveforms more symmetrical and can sometimes reduce the peak-to-average ratio of voice by 3-4dB. Because this processing is linear (it adds no new frequencies to the spectrum, so it doesn’t sound raspy or fuzzy) it’s the closest thing to a “free lunch” that one gets in the world of transmission processing."

  3. Exmun

    Exmun Guest

    Great article. It strengthened what I already "heard" with my own ears and provided the science behind it. A great example is Norah Jones's album. Not too much squeezing going on in the mixing and mastering stages. The CD sounds great and is easy on the ears the whole CD through (something that is not common in these days of pop music). It also sounds good on the radio (a bit compressed but certainly not like the wall of noise that is most records on the radio. Great article!

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