[CELT-dev] CELT license
robert.slaviero at analog.com
Mon Jun 18 20:58:04 PDT 2012
We are porting the CELT audio codec onto our Blackfin DSP for subsequent
software distribution to our customers and would like to ensure we have
covered the licensing appropriately. In reviewing the Opus codec info, it
looks like there are multiple contributors (Xiph, Qualcomm, Broadcom, Skype,
Microsoft, Huawei), however Xiph seems to be the main (and possibly only) IP
holder in CELT. Could you please confirm if there are other parties that
have a licensing or IP interest in CELT. If it is just Xiph, then I believe
that as long as we leave the following notice (that came with version 0.9.8
of software we used) associated with our port of CELT, we should be fine -
Copyright 2001-2011 Xiph.Org, Skype Limited, Octasic,
Jean-Marc Valin, Timothy B. Terriberry,
CSIRO, Gregory Maxwell, Mark Borgerding,
Erik de Castro Lopo
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
- Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
- Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR
CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
Best regards, Robert Slaviero (Global DSP Licensing Director).
Robert Slaviero, Managing Director, Analog Devices Australia Pty Ltd.
Unit 3, 97 Lewis Road, Wantirna, Victoria, 3152, AUSTRALIA
Direct: +61 3 9881 9900, Main: +61 3 9881 9999, Fax: +61 3 9881 9988
Email: <mailto:robert.slaviero at analog.com> robert.slaviero at analog.com, Web:
Embedded DSP software for multimedia & telecommunications.
This communication is proprietary and confidential.
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