SubToSpeech Acknowledgements

Portions of SubToSpeech may utilize the following copyrighted material, the use of which is hereby acknowledged.

Alliance for Open Media

libaom

Copyright (c) 2016, Alliance for Open Media. All rights reserved.

    Redistribution and use in source and binary forms, with or without
    modification, are permitted provided that the following conditions
    are met:

    1. Redistributions of source code must retain the above copyright
       notice, this list of conditions and the following disclaimer.

    2. 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
    COPYRIGHT HOLDER 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.

    

Daniel Veillard

libxml2

Except where otherwise noted in the source code (e.g. the files hash.c,
    list.c and the trio files, which are covered by a similar licence but
    with different Copyright notices) all the files are:

     Copyright (C) 1998-2012 Daniel Veillard.  All Rights Reserved.

    Permission is hereby granted, free of charge, to any person obtaining a copy
    of this software and associated documentation files (the "Software"), to deal
    in the Software without restriction, including without limitation the rights
    to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
    copies of the Software, and to permit persons to whom the Software is fur-
    nished to do so, subject to the following conditions:

    The above copyright notice and this permission notice shall be included in
    all copies or substantial portions of the Software.

    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
    IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FIT-
    NESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
    AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
    LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
    OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
    THE SOFTWARE.
    

David Bryant

WavPack

                  Copyright (c) 1998 - 2019 David Bryant
                              All rights reserved.

    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 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.
        * Neither the name of Conifer Software nor the names of its contributors
          may be used to endorse or promote products derived from this software
          without specific prior written permission.

    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 REGENTS 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.
    

David Turner, Robert Wilhelm, and Werner Lemberg

FreeType

                    The FreeType Project LICENSE
                        ----------------------------

                                2006-Jan-27

                        Copyright 1996-2002, 2006 by
              David Turner, Robert Wilhelm, and Werner Lemberg



    Introduction
    ============

      The FreeType  Project is distributed in  several archive packages;
      some of them may contain, in addition to the FreeType font engine,
      various tools and  contributions which rely on, or  relate to, the
      FreeType Project.

      This  license applies  to all  files found  in such  packages, and
      which do not  fall under their own explicit  license.  The license
      affects  thus  the  FreeType   font  engine,  the  test  programs,
      documentation and makefiles, at the very least.

      This  license   was  inspired  by  the  BSD,   Artistic,  and  IJG
      (Independent JPEG  Group) licenses, which  all encourage inclusion
      and  use of  free  software in  commercial  and freeware  products
      alike.  As a consequence, its main points are that:

        o We don't promise that this software works. However, we will be
          interested in any kind of bug reports. (`as is' distribution)

        o You can  use this software for whatever you  want, in parts or
          full form, without having to pay us. (`royalty-free' usage)

        o You may not pretend that  you wrote this software.  If you use
          it, or  only parts of it,  in a program,  you must acknowledge
          somewhere  in  your  documentation  that  you  have  used  the
          FreeType code. (`credits')

      We  specifically  permit  and  encourage  the  inclusion  of  this
      software, with  or without modifications,  in commercial products.
      We  disclaim  all warranties  covering  The  FreeType Project  and
      assume no liability related to The FreeType Project.


      Finally,  many  people  asked  us  for  a  preferred  form  for  a
      credit/disclaimer to use in compliance with this license.  We thus
      encourage you to use the following text:

       """
        Portions of this software are copyright ©  The FreeType
        Project (www.freetype.org).  All rights reserved.
       """

      Please replace  with the value from the FreeType version you
      actually use.


    Legal Terms
    ===========

    0. Definitions
    --------------

      Throughout this license,  the terms `package', `FreeType Project',
      and  `FreeType  archive' refer  to  the  set  of files  originally
      distributed  by the  authors  (David Turner,  Robert Wilhelm,  and
      Werner Lemberg) as the `FreeType Project', be they named as alpha,
      beta or final release.

      `You' refers to  the licensee, or person using  the project, where
      `using' is a generic term including compiling the project's source
      code as  well as linking it  to form a  `program' or `executable'.
      This  program is  referred to  as  `a program  using the  FreeType
      engine'.

      This  license applies  to all  files distributed  in  the original
      FreeType  Project,   including  all  source   code,  binaries  and
      documentation,  unless  otherwise  stated   in  the  file  in  its
      original, unmodified form as  distributed in the original archive.
      If you are  unsure whether or not a particular  file is covered by
      this license, you must contact us to verify this.

      The FreeType  Project is copyright (C) 1996-2000  by David Turner,
      Robert Wilhelm, and Werner Lemberg.  All rights reserved except as
      specified below.

    1. No Warranty
    --------------

      THE FREETYPE PROJECT  IS PROVIDED `AS IS' WITHOUT  WARRANTY OF ANY
      KIND, EITHER  EXPRESS OR IMPLIED,  INCLUDING, BUT NOT  LIMITED TO,
      WARRANTIES  OF  MERCHANTABILITY   AND  FITNESS  FOR  A  PARTICULAR
      PURPOSE.  IN NO EVENT WILL ANY OF THE AUTHORS OR COPYRIGHT HOLDERS
      BE LIABLE  FOR ANY DAMAGES CAUSED  BY THE USE OR  THE INABILITY TO
      USE, OF THE FREETYPE PROJECT.

    2. Redistribution
    -----------------

      This  license  grants  a  worldwide, royalty-free,  perpetual  and
      irrevocable right  and license to use,  execute, perform, compile,
      display,  copy,   create  derivative  works   of,  distribute  and
      sublicense the  FreeType Project (in  both source and  object code
      forms)  and  derivative works  thereof  for  any  purpose; and  to
      authorize others  to exercise  some or all  of the  rights granted
      herein, subject to the following conditions:

        o Redistribution of  source code  must retain this  license file
          (`FTL.TXT') unaltered; any  additions, deletions or changes to
          the original  files must be clearly  indicated in accompanying
          documentation.   The  copyright   notices  of  the  unaltered,
          original  files must  be  preserved in  all  copies of  source
          files.

        o Redistribution in binary form must provide a  disclaimer  that
          states  that  the software is based in part of the work of the
          FreeType Team,  in  the  distribution  documentation.  We also
          encourage you to put an URL to the FreeType web page  in  your
          documentation, though this isn't mandatory.

      These conditions  apply to any  software derived from or  based on
      the FreeType Project,  not just the unmodified files.   If you use
      our work, you  must acknowledge us.  However, no  fee need be paid
      to us.

    3. Advertising
    --------------

      Neither the  FreeType authors and  contributors nor you  shall use
      the name of the  other for commercial, advertising, or promotional
      purposes without specific prior written permission.

      We suggest,  but do not require, that  you use one or  more of the
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      or advertising  materials: `FreeType Project',  `FreeType Engine',
      `FreeType library', or `FreeType Distribution'.

      As  you have  not signed  this license,  you are  not  required to
      accept  it.   However,  as  the FreeType  Project  is  copyrighted
      material, only  this license, or  another one contracted  with the
      authors, grants you  the right to use, distribute,  and modify it.
      Therefore,  by  using,  distributing,  or modifying  the  FreeType
      Project, you indicate that you understand and accept all the terms
      of this license.

    4. Contacts
    -----------

      There are two mailing lists related to FreeType:

        o freetype@nongnu.org

          Discusses general use and applications of FreeType, as well as
          future and  wanted additions to the  library and distribution.
          If  you are looking  for support,  start in  this list  if you
          haven't found anything to help you in the documentation.

        o freetype-devel@nongnu.org

          Discusses bugs,  as well  as engine internals,  design issues,
          specific licenses, porting, etc.

      Our home page can be found at

        https://www.freetype.org


    --- end of FTL.TXT ---
    

FFmpeg, SGPlayer

Licensed under GNU LGPLv3.0

Source code redistributions:

                   GNU LESSER GENERAL PUBLIC LICENSE
                           Version 3, 29 June 2007

     Copyright (C) 2007 Free Software Foundation, Inc. 
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    License, supplemented by the additional permissions listed below.

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Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V.

fdk-aac

Software License for The Fraunhofer FDK AAC Codec Library for Android

    © Copyright  1995 - 2018 Fraunhofer-Gesellschaft zur Förderung der angewandten
    Forschung e.V. All rights reserved.

     1.    INTRODUCTION
    The Fraunhofer FDK AAC Codec Library for Android ("FDK AAC Codec") is software
    that implements the MPEG Advanced Audio Coding ("AAC") encoding and decoding
    scheme for digital audio. This FDK AAC Codec software is intended to be used on
    a wide variety of Android devices.

    AAC's HE-AAC and HE-AAC v2 versions are regarded as today's most efficient
    general perceptual audio codecs. AAC-ELD is considered the best-performing
    full-bandwidth communications codec by independent studies and is widely
    deployed. AAC has been standardized by ISO and IEC as part of the MPEG
    specifications.

    Patent licenses for necessary patent claims for the FDK AAC Codec (including
    those of Fraunhofer) may be obtained through Via Licensing
    (www.vialicensing.com) or through the respective patent owners individually for
    the purpose of encoding or decoding bit streams in products that are compliant
    with the ISO/IEC MPEG audio standards. Please note that most manufacturers of
    Android devices already license these patent claims through Via Licensing or
    directly from the patent owners, and therefore FDK AAC Codec software may
    already be covered under those patent licenses when it is used for those
    licensed purposes only.

    Commercially-licensed AAC software libraries, including floating-point versions
    with enhanced sound quality, are also available from Fraunhofer. Users are
    encouraged to check the Fraunhofer website for additional applications
    information and documentation.

    2.    COPYRIGHT LICENSE

    Redistribution and use in source and binary forms, with or without modification,
    are permitted without payment of copyright license fees provided that you
    satisfy the following conditions:

    You must retain the complete text of this software license in redistributions of
    the FDK AAC Codec or your modifications thereto in source code form.

    You must retain the complete text of this software license in the documentation
    and/or other materials provided with redistributions of the FDK AAC Codec or
    your modifications thereto in binary form. You must make available free of
    charge copies of the complete source code of the FDK AAC Codec and your
    modifications thereto to recipients of copies in binary form.

    The name of Fraunhofer may not be used to endorse or promote products derived
    from this library without prior written permission.

    You may not charge copyright license fees for anyone to use, copy or distribute
    the FDK AAC Codec software or your modifications thereto.

    Your modified versions of the FDK AAC Codec must carry prominent notices stating
    that you changed the software and the date of any change. For modified versions
    of the FDK AAC Codec, the term "Fraunhofer FDK AAC Codec Library for Android"
    must be replaced by the term "Third-Party Modified Version of the Fraunhofer FDK
    AAC Codec Library for Android."

    3.    NO PATENT LICENSE

    NO EXPRESS OR IMPLIED LICENSES TO ANY PATENT CLAIMS, including without
    limitation the patents of Fraunhofer, ARE GRANTED BY THIS SOFTWARE LICENSE.
    Fraunhofer provides no warranty of patent non-infringement with respect to this
    software.

    You may use this FDK AAC Codec software or modifications thereto only for
    purposes that are authorized by appropriate patent licenses.

    4.    DISCLAIMER

    This FDK AAC Codec software is provided by Fraunhofer on behalf of the copyright
    holders and contributors "AS IS" and WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES,
    including but not limited to the implied warranties of merchantability and
    fitness for a particular purpose. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
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    liability, or tort (including negligence), arising in any way out of the use of
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    5.    CONTACT INFORMATION

    Fraunhofer Institute for Integrated Circuits IIS
    Attention: Audio and Multimedia Departments - FDK AAC LL
    Am Wolfsmantel 33
    91058 Erlangen, Germany

    www.iis.fraunhofer.de/amm
    amm-info@iis.fraunhofer.de

    

FriBidi, Kvazaar, LAME, SoX, TwoLAME, libbluray

Licensed under GNU LGPLv2.1

Source code redistributions:

                  GNU LESSER GENERAL PUBLIC LICENSE
                           Version 2.1, February 1999

     Copyright (C) 1991, 1999 Free Software Foundation, Inc.
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    ===

    Some of the benchmark data in testdata/ is licensed differently:

     - fireworks.jpeg is Copyright 2013 Steinar H. Gunderson, and
       is licensed under the Creative Commons Attribution 3.0 license
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JPEG Reference

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LICENSE TERMS (ships as a part of the libjpeg package in the README file)
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Symonics GmbH, Christian Hoene

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The PNG Reference Library Authors; Cosmin Truta; Glenn Randers-Pehrson; Andreas Dilger; Guy Eric Schalnat, Group 42, Inc

libpng

COPYRIGHT NOTICE, DISCLAIMER, and LICENSE
    =========================================

    PNG Reference Library License version 2
    ---------------------------------------

     * Copyright (c) 1995-2019 The PNG Reference Library Authors.
     * Copyright (c) 2018-2019 Cosmin Truta.
     * Copyright (c) 2000-2002, 2004, 2006-2018 Glenn Randers-Pehrson.
     * Copyright (c) 1996-1997 Andreas Dilger.
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     2. Altered source versions must be plainly marked as such, and must
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     3. This Copyright notice may not be removed or altered from any
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    PNG Reference Library License version 1 (for libpng 0.5 through 1.6.35)
    -----------------------------------------------------------------------

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        Simon-Pierre Cadieux
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        Google Inc.
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    and with the following additions to the disclaimer:

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Universite catholique de Louvain (UCL), Belgium; Professor Benoit Macq; Antonin Descampe; Francois-Olivier Devaux; Herve Drolon, FreeImage Team; Yannick Verschueren; David Janssens; Centre National d'Etudes Spatiales (CNES), France; CS Systemes d'Information, France

OpenJPEG

/*
     * The copyright in this software is being made available under the 2-clauses
     * BSD License, included below. This software may be subject to other third
     * party and contributor rights, including patent rights, and no such rights
     * are granted under this license.
     *
     * Copyright (c) 2002-2014, Universite catholique de Louvain (UCL), Belgium
     * Copyright (c) 2002-2014, Professor Benoit Macq
     * Copyright (c) 2003-2014, Antonin Descampe
     * Copyright (c) 2003-2009, Francois-Olivier Devaux
     * Copyright (c) 2005, Herve Drolon, FreeImage Team
     * Copyright (c) 2002-2003, Yannick Verschueren
     * Copyright (c) 2001-2003, David Janssens
     * Copyright (c) 2011-2012, Centre National d'Etudes Spatiales (CNES), France
     * Copyright (c) 2012, CS Systemes d'Information, France
     *
     * All rights reserved.
     *
     * Redistribution and use in source and binary forms, with or without
     * modification, are permitted provided that the following conditions
     * are met:
     * 1. Redistributions of source code must retain the above copyright
     *    notice, this list of conditions and the following disclaimer.
     * 2. 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'
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     * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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     */
    

Xiph.Org, Skype Limited, Octasic, Jean-Marc Valin, Timothy B. Terriberry, CSIRO, Gregory Maxwell, Mark Borgerding, Erik de Castro Lopo

Opus

Copyright 2001-2011 Xiph.Org, Skype Limited, Octasic,
                        Jean-Marc Valin, Timothy B. Terriberry,
                        CSIRO, Gregory Maxwell, Mark Borgerding,
                        Erik de Castro Lopo

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    https://datatracker.ietf.org/ipr/1524/

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    https://datatracker.ietf.org/ipr/1526/
    

Xiph.org Foundation

Vorbis

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Ogg

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Xiph.org Foundation

Theora

Copyright (C) 2002-2009 Xiph.org Foundation

    Redistribution and use in source and binary forms, with or without
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Xiph.org Foundation, Jean-Marc Valin, Analog Devices Inc., Commonwealth Scientific and Industrial Research - Organisation (CSIRO), David Rowe, EpicGames, Jutta Degener, Carsten Bormann

Speex

Copyright 2002-2008 	Xiph.org Foundation
    Copyright 2002-2008 	Jean-Marc Valin
    Copyright 2005-2007	Analog Devices Inc.
    Copyright 2005-2008	Commonwealth Scientific and Industrial Research
                            Organisation (CSIRO)
    Copyright 1993, 2002, 2006 David Rowe
    Copyright 2003 		EpicGames
    Copyright 1992-1994	Jutta Degener, Carsten Bormann

    Redistribution and use in source and binary forms, with or without
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libass contributors

libass

ISC License

    Copyright (C) 2006-2016 libass contributors

    Permission to use, copy, modify, and/or distribute this software for any
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zimg

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