The ducking whitepaper is now online

I just got an email indicating that the powers that be have just published the Ducking (automatic volume adjustment for communications applications) whitepaper that I mentioned during my PDC Talk.    It's the whitepaper entitled "Stream Attenuation in Windows 7".  This is a preliminary version of the final ducking documentation and should be good enough to help anyone wanting to work with the ducking feature get started.  It also covers some of the subtleties that I wasn’t able to cover in my talk.



EDIT: Added which paper it was and a definition of "Ducking".


Comments (12)
  1. Anonymous says:

    Umm, which one is it? None of the papers there have "ducking" in the name…

  2. Anonymous says:

    You might want to give a brief definition of ducking in your post..

  3. Anonymous says:

    Er… which one is that? There’s a bunch of (what looks like) DirectX papers on that page.

  4. Anonymous says:

    I’m sorry but I just can’t read "ducking" as anything other than the common T9 error for a certain other word… 🙂

  5. Anonymous says:

    I’d take a look at this, except that I don’t have the patience to read through the legal details I am supposed to agree to before downloading it. I know it’s not your fault (and isn’t under your control) so I’m not griping exactly, just making you aware: there are, indeed, some people who won’t read something if it’s behind a "legal firewall".

  6. Anonymous says:

    If you care…it appears that the file association for XPS documents is tied to the default browser, rather than IE. So FireFox keeps being sent the XPS application over and over. I had to manually select the "open with" as IE. It seems like rather than associating itself with the default browser, you’d want to associate with IE…if you want to pass that to the XPS folks (either that, or my computer is jacked!)

  7. Anonymous says:

    So what was the origin of the term "ducking" in this context?

  8. Anonymous says:

    It’s probably the ugly ducking of the family…

  9. "Ducking" is a term of the art in audio engineering, it means "automatically attenuating an audio signal".


    (incoming call)

    QUACK Quack quack quack

    (call ends)


  11. Maurits, you (and I) have clearly spent too much time on this feature.

    I was wondering… what’s a "QAUCK"?

  12. Anonymous says:

    Just to expand a little on "ducking", a common example is the way background music goes quiet when someone speaks over it. In audio applications ducking is commonly achieved using sidechain compression. It’s ducking as in "going under", as I’m sure everyone knows.

    Couldn’t resist jumping in – I’m an amatuer home studio guy and I use ducking occasionally.

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