[vorbis-dev] [fwd] liked your article at http://xiph.org/about.html (from: mlewis@webnoize.com)
Monty
monty at xiph.org
Wed Nov 22 04:32:54 PST 2000
----- Forwarded message from Mark Lewis <mlewis at webnoize.com> -----
Delivery-Date: Tue Nov 21 10:15:55 2000
Date: Tue, 21 Nov 2000 10:07:15 -0800
From: Mark Lewis <mlewis at webnoize.com>
Reply-To: mlewis at webnoize.com
Organization: Webnoize News
X-Mailer: Mozilla 4.75 [en] (Win98; U)
To: monty at xiph.org
Subject: liked your article at http://xiph.org/about.html
here's an article about the FAAC shut-down.
mark lewis
news editor
news.webnoize.com
626-398-1162
-----
November 21, 2000
technology . formats
Pressured by Dolby, Open-Source Audio Developer Takes
Down Software
by Mark Lewis
An open-source audio movement lost a battle last week against
the audio technology industry when a non-commercial developer
stopped distributing compression software that Dolby and others
claimed infringed on their patents. But the developer is still
distributing the source code so that programmers can improve
the technology.
Since at least December 1999, Dutch software developer Menno
Bakker distributed source code and software that encodes and
decodes audio files using Advanced Audio Coding (AAC). AAC
is a high-quality audio compression technology whose patents
are owned by Dolby Laboratories, AT&T Laboratories,
Fraunhofer Institute and Sony Corp. Like popular MP3 encoders,
Bakker's software compressed music into small files, but the
AAC technology made them even smaller and of better quality
than MP3 files. At the heart of Bakker's software was an
open-source version of AAC technology, which he called
Freeware AAC (FAAC).
Dolby Laboratory's licensing corporation sent Bakker a letter
last
week telling him to stop distributing the software through his
and
other web sites because he had not licensed AAC from the four
developer companies. Dolby licensing administrator Christina
Bonner told Bakker in the letter that he could continue to offer
the
software if he purchased a license, and Dolby would need to
"discuss [his] business plan in order to discuss suitable
licensing
terms."
According to the AAC Patent License Agreement, applicants
must pay an administrative fee of $10,000, which does not
guarantee they will get a license. Developers making consumer
software applications that encode and decode music with AAC
must pay $1.35 for every piece of software they distribute, up to
100,000 units; fees are lower for more units sold. If developers
prefer, they can pay 1% of their gross revenues earned on the
licensed products. Thirty-five companies have licensed AAC,
according to Bonner.
After Bakker received Dolby's letter, he stopped distributing the
free software. But he is still offering the code so programmers
can understand how the technology works and improve it.
"I think that if people invented something they have the right to
expect some money from others using their ideas," emailed
Bakker, a student at the University of Twente in Holland. "The
license, however, is far too expensive for anyone to just go
experimenting legally with AAC. I just wanted to experiment, and
I
think FAAC wasn't any competition yet for the Fraunhofer/Dolby
implementation."
Many open-source programmers contend that software and
technology improve more quickly when code and inventions can
be worked on by everyone without paying for licenses; they argue
that a final commercial implementation can be proprietary,
allowing those with the best real-world products to earn money.
But for labs that patent genetic sequences and silicon
chip-makers that use encryption to keep reverse-engineers from
looking at the code in their circuits, proprietary information is
their
key competitive advantage.
FAAC solved an interoperability problem associated with Dolby's
AAC, said open-source developer Jack Moffitt, who helped
create a royalty-free audio codec called Ogg Vorbis. Certain
licensing terms behind Dolby's AAC require licensees to create
encrypted files. Thus, even though two companies both use AAC,
one company's software player won't necessarily play files
created using the other company's encoder.
According to the AAC Licensing Agreement, two companies can
reach a private agreement to make their software compatible.
But Dolby may prevent AAC from becoming an industry standard
if it requires content and other technology companies to
negotiate
compatibility. "[That] just fosters everything that's wrong about
media right now," Moffitt said.
AAC encoding is used in files from Universal Music Group, BMG
Entertainment and Liquid Audio, but because their file formats
use different encryption systems, the files may not be compatible
with various software and hardware players.
"We aren't seeking to adopt the plain text MP3 model of
interoperability," emailed Dolby's Bonner. Formats using AAC
"are interoperable to the extent that their 'owner/operators'
wish
them to be," Bonner stated.
Freeware AAC is supposed to create "generic" AAC technology
that does away with those compatibility problems, as long as
files
aren't encrypted. Still, it's unlikely that any company could
produce
commercial software or hardware using Freeware AAC without
the threat of a lawsuit from Dolby's licensing arm.
That threat is the reason Bakker has stopped distributing the
FAAC software -- but not the back-end code. He's not the only
independent developer working that way. Last summer, files
encoded with LAME, an improved MP3 encoder based on
advanced Fraunhofer patents, started to appear on the 'Net.
LAME stands for "LAME Ain't an MP3 Encoder," because
developers release only source code, not a software application
using the code, on the 'Net.
Ogg Vorbis developers, on the other hand, distribute their
encoder/decoder software freely because they claim their
technology doesn't infringe on anyone else's patents. Software
players such as Sonique and XMMS now support Vorbis; a future
version of Iomega's new HipZip portable music player is
expected to play Vorbis files, Moffitt said.
As open-source activity continues, Bakker isn't daunted by
Dolby's move to protect its patents. He wants to press on with
his
experiments by developing another audio codec -- though this
next one might not be open-source or freeware, he said. "I want
to
make good use of the knowledge I have obtained while
developing FAAC."
----- End forwarded message -----
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