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# Qt Documentation

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  * opus

# opus

[Project
Homepage](https://git.xiph.org/?p=opus.git;a=snapshot;h=3fe744ea04fdcc418fb85c2c133d13372ebb019b;sf=tgz)

    
    
    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
    are met:
    
    - Redistributions of source code must retain the above copyright
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    - 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.
    
    - Neither the name of Internet Society, IETF or IETF Trust, nor the
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    products derived from this software without specific prior written
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    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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    LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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    Opus is subject to the royalty-free patent licenses which are
    specified at:
    
    Xiph.Org Foundation:
    https://datatracker.ietf.org/ipr/1524/
    
    Microsoft Corporation:
    https://datatracker.ietf.org/ipr/1914/
    
    Broadcom Corporation:
    https://datatracker.ietf.org/ipr/1526/

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