This repository uses openSMILE for audio feature extraction. Its license
is copied here:
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  openSMILE 
   - open-source
     Speech and Music Interpretation by Large-space Extraction -

  Main authors: Florian Eyben, Felix Weninger, Martin Woellmer, Bjoern Schuller

  Copyright (c) audEERING GmbH, Gilching, Germany. All rights reserved. 
  http://www.audeeering.com/

  Copyright (c) 2016,      audEERING GmbH
  Copyright (c) 2013-2015, audEERING UG (haftungsbeschraenkt)
  Copyright (c) 2008-2013, Institute for Human-Machine Communication, 
                           Technische Universitaet Muenchen, Germany
 
Licensing terms & your rights
=============================
  
********************************************************************** 
 If you use openSMILE or any code from openSMILE in your research work,
 you are kindly asked to acknowledge the use of openSMILE in your 
 publications. See the file CITING.txt for details.
**********************************************************************

This audEERING Research License Agreement (license, license agreement, 
or agreement in the ongoing), is a legal agreement between you 
and audEERING GmbH, Gilching, Germany (audEERING or we in the following) 
for the software or data identified above, which may include source code, 
and any associated materials, text or speech files, 
associated media and "online" or electronic documentation 
(together, the "Software").  

By installing, copying, or otherwise using this Software, 
you agree to be bound by the terms in this license. 
If you do not agree, you may not install copy or use the Software. 
The Software is protected by copyright and other intellectual 
property laws and is licensed, not sold.

This license grants you the following rights:
A. You may use, copy, reproduce, and distribute this Software 
   for any non-commercial purpose, subject to the restrictions 
   set out below. Some purposes which can be non-commercial are teaching, 
   academic research, public demonstrations and personal experimentation 
   or personal home use. You may also distribute this Software with 
   books or other teaching materials, or publish the Software on websites, 
   that are intended to teach the use of the Software for academic or 
   other non-commercial purposes. 
   You may NOT use or distribute this Software or any derivative works 
   in any form for commercial purposes, except those outlined in (B). 
   Examples of commercial purposes are running business operations, 
   licensing, leasing, or selling the Software, distributing the 
   Software for use with commercial products (no matter whether free or paid), 
   using the Software in the creation or use of commercial products or any 
   other activity which purpose is to procure a commercial gain to you or 
   others (except for conditions set out in (B)).
B. Further, you may use the software for commercial research, which meets
   the following conditions: commercial research which is not directly
   associated with product development and has the primary purpose of 
   publishing and sharing results with the academic world; pre-product 
   evaluations of algorithms and methods, as long as these evaluations
   are more of an evaluatory, planning, and research nature than 
   of a product development nature. 
   Any further commercial use requires you to obtain a commercial
   license or written approval from audEERING GmbH which grants
   you extended usage rights for this software. In particular any direct 
   (software) or indirect (models, features extracted with the software)
   use of the software, parts of the software, or derivatives in a 
   product (no matter whether free or paid), is not allowed without 
   an additional commercial license.
C. If the software includes source code or data, you may create 
   derivative works of such portions of the software and distribute the 
   modified software for non-commercial purposes, as provided herein.
   If you distribute the software or any derivative works of the Software, 
   you must distribute them under the same terms and conditions as in this
   license, and you must not grant other rights to the software or 
   derivative works that are different from those provided by this 
   license agreement. 
   If you have created derivative works of the software, and distribute 
   such derivative works, you will cause the modified files to carry 
   prominent notices so that recipients know that they are not receiving 
   the original software. Such notices must state: 
   (i) that you have altered the software; 
   and (ii) the date of any changes as well as your name.

In return for the above rights, you agree to:
1. That you will not remove any copyright or other notices (authors 
   and citing information, for example) from the software.
2. That if any of the software is in binary format, you will not attempt 
   to modify such portions of the software, or to reverse engineer or 
   decompile them, except and only to the extent authorized by applicable 
   law. 
3. That the copyright holders (audEERING) are granted back, 
   without any restrictions or limitations, a non-exclusive, perpetual, 
   irrevocable, royalty-free, assignable and sub-licensable license, 
   to reproduce, publicly perform or display, install, use, modify, post, 
   distribute, make and have made, sell and transfer your modifications 
   to and/or derivative works of the software source code or data, 
   for any purpose.  
4. That any feedback about the software provided by you to us is voluntarily 
   given, and audEERING shall be free to use the feedback 
   as they see fit without obligation or restriction of any kind, 
   even if the feedback is designated by you as confidential. 

5. THAT THE SOFTWARE COMES "AS IS", WITH NO WARRANTIES. 
   THIS MEANS NO EXPRESS, IMPLIED OR STATUTORY WARRANTY, INCLUDING 
   WITHOUT LIMITATION, WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A 
   PARTICULAR PURPOSE, ANY WARRANTY AGAINST INTERFERENCE WITH YOUR 
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   WHENEVER YOU DISTRIBUTE THE SOFTWARE OR DERIVATIVE WORKS.
   
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   SOFTWARE WILL BE LIABLE FOR ANY DAMAGES RELATED TO THE SOFTWARE OR THIS 
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   DAMAGES, TO THE MAXIMUM EXTENT THE LAW PERMITS, NO MATTER WHAT LEGAL 
   THEORY IT IS BASED ON. ALSO, YOU MUST PASS THIS LIMITATION OF LIABILITY 
   ON WHENEVER YOU DISTRIBUTE THE SOFTWARE OR DERIVATIVE WORKS.
   
7. That we have no duty of reasonable care or lack of negligence, 
   and we are not obligated to (and will not) provide technical support for 
   the Software.
8. That if you breach this license agreement or if you sue anyone over 
   patents that you think may apply to or read on the software or anyone's 
   use of the software, this license agreement (and your license and rights 
   obtained herein) terminate automatically. Upon any such termination, 
   you shall destroy all of your copies of the software immediately.  
   Sections 3, 4, 5, 6, 7, 10 and 11 of this license agreement shall survive 
   any termination of this license agreement.
9. That the patent rights, if any, granted to you in this license agreement 
   only apply to the software, not to any derivative works you make.
10.That the software may be subject to European export or import laws or such 
   laws in other places. You agree to comply with all such laws and regulations 
   that may apply to the software after the delivery of the software to you.
11.That all rights not expressly granted to you in this license agreement 
   are reserved by audEERING.
12.That this license agreement shall be construed and controlled by the laws 
   of the Federal Republic of Germany, without regard to conflicts of law. 
   If any provision of this license agreement shall be deemed unenforceable 
   or contrary to law, the rest of this license agreement shall remain in 
   full effect and interpreted in an enforceable manner that most closely 
   captures the intent of the original language. 


Commerical license options
==========================
 
For commercial and other licensing options, 
please contact us at audEERING via E-mail: 
   info@audeering.com 


Third-party contributions and dependencies
==========================================

openSMILE contains third-party contributions from the Speex codec package 
(in the cLsp component), which are distributed unter the following terms:
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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
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 the Xiph.org Foundation 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 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.
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openSMILE uses rapidjson to read RNN files in json format.
Rapidjson can be obtained from: https://code.google.com/p/rapidjson/
It is distributed under the MIT license and included with openSMILE
in src/include/rapidjson
It is distributed under these terms:
-----------------------------------------
Copyright (C) 2011 Milo Yip

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
furnished 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,
FITNESS 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.
-----------------------------------------


openSMILE uses LibSVM (by Chih-Chung Chang and Chih-Jen Lin) for 
classification tasks. It is distributed with openSMILE and is
 included in the src/classifiers/libsvm/ directory.
See the COPYRIGHT file in that directory for details on license terms
 of LivSVM.

PortAudio is required for live recording from sound card and for 
the SEMAINE components.
You can get the latest version from: http://www.portaudio.com
However, we cannot guarantee compatibility with the latest versions.
A snapshot of portaudio that is known to work with openSMILE
is included in thirdparty/portaudio.tgz.
Copyright and licensing information for portaudio is also contained
in the .tgz package.

Optionally, openSMILE can be linked against the SEMAINE API 
and the Julius LVCSR engine, enabling an interface to the 
SEMAINE system and a keyword spotter component. 
See http://www.semaine-project.eu/ for details on running the 
SEMAINE system.
Only the older versions of openSMILE (1.0.1) are officially 
supported to be build with the SEMAINE system.
For recent developments, check out the status of the ARIA VALUSPA
EU-project: http://aria-agent.eu/

--
For Unix platforms, openSMILE relies on automake and autoconf to build.
In order to easy compilation against pthreads library,
the m4 macro find_pthreads.m4 is shipped with openSMILE to ease
the build process.
This macro is not part of openSMILE, it is only
used to build openSMILE - it is part of autoconf. 
It is distributed separately under it's own license terms
from http://autoconf-archive.cryp.to/acx_pthread.html
#  Copyright © 2008 Steven G. Johnson <stevenj@alum.mit.edu>
# This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
# This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
# You should have received a copy of the GNU General Public License along with this program. If not, see <http://www.gnu.org/licenses/>.
# As a special exception, the respective Autoconf Macro's copyright owner gives unlimited permission to copy, distribute and modify the configure scripts that are the output of Autoconf when processing the Macro. You need not follow the terms of the GNU General Public License when using or distributing such scripts, even though portions of the text of the Macro appear in them. The GNU General Public License (GPL) does govern all other use of the material that constitutes the Autoconf Macro.
# This special exception to the GPL applies to versions of the Autoconf Macro released by the Autoconf Macro Archive. When you make and distribute a modified version of the Autoconf Macro, you may extend this special exception to the GPL to apply to your modified version as well.
--



