Subject: FW: Copying DVD to VHS: may be impossible From: "Don Labriola" <don@xxxxxxxxxxxxxxx> Date: Thu, 24 Apr 2003 12:41:47 -0400 |
> Walt: > > There are a # of errors and bad assumptions in your message. > > 1) You got the name wrong. "Macromedia" was the name of a software > company that made media-editing applications. You're thinking of > "Macrovision". > > 2) Macrovision is not considered to be under the jurisdiction of the > DMCA, which covers only digital content-protection mechanisms. > Macrovision occurs in the analog domain. > > 3) It's not true that "almost all published DVDs" license the > Macrovision technology. Best estimates are 2/3-3/4 of current titles > and dropping. > > 4) There's no such thing as "Macrovision" encoding. Adding the > technology requires merely setting a bit in the content. The player > performs the copy-protection chores. > > 5) Macrovision is not seen by many as a serious hindrance to copying > and hardly makes it "impossible". Macrovision is easily defeated (too > easily, in fact) by inexpensive "clarifier" boxes that can be > purchased from hundreds of sources on the Internet. Older VCRs that do > not support the technology can be inserted in the signal chain to > filter it out. There are also other connection topologies -- again, > documented in a variety of places on the Net -- that allow the > technology to be circumvented. It's old news at this point. > > 6) I personally believe that Macrovision will not be an issue much > longer. Major studios have discovered that protecting DVDs in the > analog domain does not justify Macrovision's licensing fees. Last > year, several high-profile releases, including the first installments > of "Harry Potter" and "Lord of the Rings" produced enormous profits > without Macrovision protection. At this point, it's probably just a > matter of time. > > By the way, Macrovision produces an entire line of content-protection > technologies. The one that you're referring to, however, has no > official name, and is referred to simply as "Macrovision". > > Hope this helps. > > DL > > ---------------------------------------------------------------------- > Date: Wed, 23 Apr 2003 08:50:21 -0700 > To: digital-copyright@xxxxxxxxxxxxxx > From: Walt_Crawford@xxxxxxxxxxxxx > Subject: Re: Copying DVD to VHS: may be impossible > Message-ID: <OFEA8A2378.2E5376B9-ON88256D11.0056D994@xxxxxxx> > > Virgil, > > There's another issue that has very little to do with copyright > law--except that DMCA could creep in. > > To wit, unless PBS behaves quite differently from other DVD producers, > you won't be *able* to make a VHS copy of your DVD. > > Almost all published DVDs include Macromedia encoding. All > commercially available VCRs include Macromedia circuitry. > > These VCRs will not make usable recordings of DVDs with Macromedia > encoding. That's quite deliberate. > > (It's also the reason that you can't loop DVD output through a VCR to > get to a single video input: The output is, at best, heavily > distorted--again, thanks to Macromedia.) > > DMCA comes in because bypassing Macromedia protection could involve > violation of the overreaching statute. > > Not a legal opinion, but technologically, it's a lot easier to buy a > $60-$70 DVD player... > > -walt crawford- > > --responding to:-- > > [query from Virgil Varvel re copying a PBS DVD to VHS for circulation]
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