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+ <TITLE>
+ libsndfile
+ </TITLE>
+ <META NAME="Author" CONTENT="Erik de Castro Lopo (erikd AT mega-nerd DOT com)">
+ <META NAME="Version" CONTENT="libsndfile-1.0.25">
+ <META NAME="Description" CONTENT="The libsndfile Home Page">
+ <META NAME="Keywords" CONTENT="WAV AIFF AU SVX PAF NIST W64 libsndfile sound audio dsp Linux">
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+
+<BODY>
+<!-- pepper -->
+<CENTER>
+ <IMG SRC="libsndfile.jpg" HEIGHT=98 WIDTH=367 ALT="libsndfile.jpg">
+</CENTER>
+<!-- pepper -->
+<CENTER>
+ <A HREF="#History">History</A> -+-
+ <A HREF="#Features">Features</A> -+-
+ <A HREF="#Similar">Similar or Related Projects</A> -+-
+ <A HREF="NEWS">News</A>
+ <br>
+ <A HREF="development.html">Development</A> -+-
+ <A HREF="api.html">Programming Interface</A> -+-
+ <A HREF="bugs.html">Bug Reporting</A> -+-
+ <A HREF="#Download">Download</A>
+ <br>
+ <A HREF="FAQ.html">FAQ</A> -+-
+ <A HREF="lists.html">Mailing Lists</A> -+-
+ <A HREF="ChangeLog">Change Log</A> -+-
+ <A HREF="#Licensing">Licensing Information</A> -+-
+ <A HREF="#SeeAlso">See Also</A>
+</CENTER>
+
+<br><br>
+<P>
+ Libsndfile is a C library for reading and writing files containing sampled sound
+ (such as MS Windows WAV and the Apple/SGI AIFF format) through one standard
+ library interface. It is released in source code format under the
+ <A HREF="http://www.gnu.org/copyleft/lesser.html">Gnu Lesser General Public License</A>.
+</P>
+<!-- pepper -->
+<P>
+ The library was written to compile and run on a Linux system but should compile
+ and run on just about any Unix (including MacOS X).
+ There are also pre-compiled binaries available for 32 and 64 bit windows.
+</P>
+<P>
+ It was designed to handle both little-endian (such as WAV) and big-endian
+ (such as AIFF) data, and to compile and run correctly on little-endian (such as Intel
+ and DEC/Compaq Alpha) processor systems as well as big-endian processor systems such
+ as Motorola 68k, Power PC, MIPS and Sparc.
+ Hopefully the design of the library will also make it easy to extend for reading and
+ writing new sound file formats.
+</P>
+<!-- pepper -->
+<P>
+ It has been compiled and tested (at one time or another) on the following systems:
+</P>
+<!-- pepper -->
+<UL>
+ <LI>Every platform supported by Debian GNU/Linux including x86_64-linux-gnu,
+ i486-linux-gnu, powerpc-linux-gnu, sparc-linux-gnu, alpha-linux-gnu,
+ mips-linux-gnu and armel-linux-gnu.</LI>
+ <LI>arm-linux-androideab (Android phones OS)</LI>
+ <LI>powerpc-apple-darwin7.0 (Mac OS X 10.3)</LI>
+ <LI>sparc-sun-solaris2.8 (using gcc)</LI>
+ <LI>mips-sgi-irix5.3 (using gcc)</LI>
+ <LI>QNX 6.0</LI>
+ <LI>i386-unknown-openbsd2.9</LI>
+</UL>
+<!-- pepper -->
+<P>
+ At the moment, each new release is being tested on i386 Linux, x86_64 Linux,
+ PowerPC Linux, Win32 and Win64.
+</P>
+<!-- pepper -->
+
+<A NAME="Capabilities"></A>
+<A NAME="Features"></A>
+<H1><B>Features</B></H1>
+<P>
+ libsndfile has the following main features :
+</P>
+ <UL>
+ <lI> Ability to read and write a large number of file formats.
+ <LI> A simple, elegant and easy to use Applications Programming Interface.
+ <LI> Usable on Unix, Win32, MacOS and others.
+ <LI> On the fly format conversion, including endian-ness swapping, type conversion
+ and bitwidth scaling.
+ <LI> Optional normalisation when reading floating point data from files containing
+ integer data.
+ <LI> Ability to open files in read/write mode.
+ <LI> The ability to write the file header without closing the file (only on files
+ open for write or read/write).
+ <LI> Ability to query the library about all supported formats and retrieve text
+ strings describing each format.
+ </UL>
+<P>
+ libsndfile has a comprehensive test suite so that each release is as bug free
+ as possible.
+ When new bugs are found, new tests are added to the test suite to ensure that
+ these bugs don't creep back into the code.
+ When new features are added, tests are added to the test suite to make sure that
+ these features continue to work correctly even when they are old features.
+ </P>
+<P>
+ The following table lists the file formats and encodings that libsndfile can read
+ and write.
+ The file formats are arranged across the top and encodings along the left
+ edge.
+</P>
+<br>
+
+<TABLE BORDER="1" cellpadding="2">
+ <TR><TD> </TD>
+ <TD ALIGN="center">Micro- soft<br>WAV</TD>
+ <TD ALIGN="center">SGI / Apple<br>AIFF / AIFC</TD>
+ <TD ALIGN="center">Sun / DEC /<br>NeXT<br>AU / SND</TD>
+ <TD ALIGN="center">Header- less<br>RAW</TD>
+ <TD ALIGN="center">Paris Audio<br>File<br>PAF</TD>
+ <TD ALIGN="center">Commo- dore<br>Amiga<br>IFF / SVX</TD>
+ <TD ALIGN="center">Sphere<br>Nist<br>WAV</TD>
+ <TD ALIGN="center">IRCAM<br>SF</TD>
+ <TD ALIGN="center">Creative<br>VOC</TD>
+ <TD ALIGN="center">Sound forge<br>W64</TD>
+ <TD ALIGN="center"><A HREF="octave.html">GNU Octave 2.0</A><br>MAT4</TD>
+ <TD ALIGN="center"><A HREF="octave.html">GNU Octave 2.1</A><br>MAT5</TD>
+ <TD ALIGN="center">Portable Voice Format<br>PVF</TD>
+ <TD ALIGN="center">Fasttracker 2<br>XI</TD>
+ <TD ALIGN="center">HMM Tool Kit<br>HTK</TD>
+ <TD ALIGN="center">Apple<br>CAF</TD>
+ <TD ALIGN="center">Sound<br>Designer II<br>SD2</TD>
+ <TD ALIGN="center">Free Lossless Audio Codec<br>FLAC</TD>
+ </TR>
+<TR><TD>Unsigned 8 bit PCM</TD>
+ <TD ALIGN="center">R/W</TD><TD ALIGN="center">R/W</TD><TD> </TD><TD ALIGN="center">R/W</TD>
+ <TD> </TD><TD> </TD><TD> </TD><TD> </TD><TD ALIGN="center">R/W</TD>
+ <TD ALIGN="center">R/W</TD><TD> </TD><TD ALIGN="center">R/W</TD><TD> </TD>
+ <TD> </TD><TD> </TD><TD> </TD><TD> </TD><TD> </TD>
+</TR>
+
+<TR><TD>Signed 8 bit PCM</TD>
+ <TD> </TD><TD ALIGN="center">R/W</TD><TD ALIGN="center">R/W</TD><TD ALIGN="center">R/W</TD>
+ <TD ALIGN="center">R/W</TD><TD ALIGN="center">R/W</TD><TD ALIGN="center">R/W</TD><TD> </TD>
+ <TD> </TD><TD> </TD><TD> </TD><TD> </TD><TD ALIGN="center">R/W</TD>
+ <TD> </TD><TD> </TD><TD ALIGN="center">R/W</TD><TD ALIGN="center">R/W</TD><TD ALIGN="center">R/W</TD>
+</TR>
+
+<TR><TD>Signed 16 bit PCM</TD>
+ <TD ALIGN="center">R/W</TD><TD ALIGN="center">R/W</TD><TD ALIGN="center">R/W</TD><TD ALIGN="center">R/W</TD>
+ <TD ALIGN="center">R/W</TD><TD ALIGN="center">R/W</TD><TD ALIGN="center">R/W</TD><TD ALIGN="center">R/W</TD>
+ <TD ALIGN="center">R/W</TD><TD ALIGN="center">R/W</TD><TD ALIGN="center">R/W</TD><TD ALIGN="center">R/W</TD>
+ <TD ALIGN="center">R/W</TD><TD> </TD><TD ALIGN="center">R/W</TD><TD ALIGN="center">R/W</TD>
+ <TD ALIGN="center">R/W</TD><TD ALIGN="center">R/W</TD>
+</TR>
+
+<TR><TD>Signed 24 bit PCM</TD>
+ <TD ALIGN="center">R/W</TD><TD ALIGN="center">R/W</TD><TD ALIGN="center">R/W</TD><TD ALIGN="center">R/W</TD>
+ <TD ALIGN="center">R/W</TD><TD> </TD><TD ALIGN="center">R/W</TD><TD ALIGN="center">R/W</TD>
+ <TD> </TD><TD ALIGN="center">R/W</TD><TD> </TD><TD> </TD><TD> </TD>
+ <TD> </TD><TD> </TD><TD ALIGN="center">R/W</TD><TD ALIGN="center">R/W</TD><TD ALIGN="center">R/W</TD>
+</TR>
+
+<TR><TD>Signed 32 bit PCM</TD>
+ <TD ALIGN="center">R/W</TD><TD ALIGN="center">R/W</TD><TD ALIGN="center">R/W</TD><TD ALIGN="center">R/W</TD>
+ <TD> </TD><TD> </TD><TD ALIGN="center">R/W</TD><TD ALIGN="center">R/W</TD><TD> </TD>
+ <TD ALIGN="center">R/W</TD><TD ALIGN="center">R/W</TD><TD ALIGN="center">R/W</TD><TD ALIGN="center">R/W</TD>
+ <TD> </TD><TD> </TD><TD ALIGN="center">R/W</TD><TD> </TD><TD> </TD>
+</TR>
+
+<TR><TD>32 bit float</TD>
+ <TD ALIGN="center">R/W</TD><TD ALIGN="center">R/W</TD><TD ALIGN="center">R/W</TD><TD ALIGN="center">R/W</TD>
+ <TD> </TD><TD> </TD><TD> </TD><TD ALIGN="center">R/W</TD><TD> </TD>
+ <TD ALIGN="center">R/W</TD><TD ALIGN="center">R/W</TD><TD ALIGN="center">R/W</TD><TD> </TD>
+ <TD> </TD><TD> </TD><TD ALIGN="center">R/W</TD><TD> </TD><TD> </TD>
+</TR>
+
+<TR><TD>64 bit double</TD>
+ <TD ALIGN="center">R/W</TD><TD ALIGN="center">R/W</TD><TD ALIGN="center">R/W</TD>
+ <TD ALIGN="center">R/W</TD><TD> </TD><TD> </TD><TD> </TD><TD> </TD>
+ <TD> </TD><TD ALIGN="center">R/W</TD><TD ALIGN="center">R/W</TD><TD ALIGN="center">R/W</TD>
+ <TD> </TD><TD> </TD><TD> </TD><TD ALIGN="center">R/W</TD><TD> </TD><TD> </TD>
+</TR>
+
+<TR><TD>u-law encoding</TD>
+ <TD ALIGN="center">R/W</TD><TD ALIGN="center">R/W</TD><TD ALIGN="center">R/W</TD><TD ALIGN="center">R/W</TD>
+ <TD> </TD><TD> </TD><TD ALIGN="center">R/W</TD><TD ALIGN="center">R/W</TD><TD ALIGN="center">R/W</TD>
+ <TD ALIGN="center">R/W</TD><TD> </TD><TD> </TD><TD> </TD><TD> </TD><TD> </TD>
+ <TD ALIGN="center">R/W</TD><TD> </TD><TD> </TD>
+</TR>
+<TR><TD>A-law encoding</TD>
+ <TD ALIGN="center">R/W</TD><TD ALIGN="center">R/W</TD><TD ALIGN="center">R/W</TD><TD ALIGN="center">R/W</TD>
+ <TD> </TD><TD> </TD><TD ALIGN="center">R/W</TD><TD ALIGN="center">R/W</TD><TD ALIGN="center">R/W</TD>
+ <TD ALIGN="center">R/W</TD><TD> </TD><TD> </TD><TD> </TD><TD> </TD><TD> </TD>
+ <TD ALIGN="center">R/W</TD><TD> </TD><TD> </TD>
+</TR>
+
+<TR><TD>IMA ADPCM</TD>
+ <TD ALIGN="center">R/W</TD><TD> </TD><TD> </TD><TD> </TD><TD> </TD>
+ <TD> </TD><TD> </TD><TD> </TD><TD> </TD><TD ALIGN="center">R/W</TD>
+ <TD> </TD><TD> </TD><TD> </TD><TD> </TD><TD> </TD><TD> </TD>
+ <TD> </TD><TD> </TD>
+</TR>
+
+<TR><TD>MS ADPCM</TD>
+ <TD ALIGN="center">R/W</TD><TD> </TD><TD> </TD><TD> </TD><TD> </TD><TD> </TD>
+ <TD> </TD><TD> </TD><TD> </TD><TD ALIGN="center">R/W</TD><TD> </TD><TD> </TD>
+ <TD> </TD><TD> </TD><TD> </TD><TD> </TD><TD> </TD><TD> </TD>
+</TR>
+
+<TR><TD>GSM 6.10</TD>
+ <TD ALIGN="center">R/W</TD><TD ALIGN="center">R/W</TD><TD> </TD><TD ALIGN="center">R/W</TD><TD> </TD><TD> </TD>
+ <TD> </TD><TD> </TD><TD> </TD><TD ALIGN="center">R/W</TD><TD> </TD><TD> </TD>
+ <TD> </TD><TD> </TD><TD> </TD><TD> </TD><TD> </TD><TD> </TD>
+</TR>
+
+<TR><TD>G721 ADPCM 32kbps</TD>
+ <TD ALIGN="center">R/W</TD><TD> </TD><TD ALIGN="center">R/W</TD><TD> </TD><TD> </TD><TD> </TD>
+ <TD> </TD><TD> </TD><TD> </TD><TD> </TD><TD> </TD><TD> </TD>
+ <TD> </TD><TD> </TD><TD> </TD><TD> </TD><TD> </TD><TD> </TD>
+</TR>
+
+<TR><TD>G723 ADPCM 24kbps</TD>
+ <TD> </TD><TD> </TD><TD ALIGN="center">R/W</TD><TD> </TD><TD> </TD><TD> </TD>
+ <TD> </TD><TD> </TD><TD> </TD><TD> </TD><TD> </TD><TD> </TD>
+ <TD> </TD><TD> </TD><TD> </TD><TD> </TD><TD> </TD><TD> </TD>
+</TR>
+
+<TR><TD>G723 ADPCM 40kbps</TD>
+ <TD> </TD><TD> </TD><TD ALIGN="center">R/W</TD><TD> </TD><TD> </TD><TD> </TD>
+ <TD> </TD><TD> </TD><TD> </TD><TD> </TD><TD> </TD><TD> </TD>
+ <TD> </TD><TD> </TD><TD> </TD><TD> </TD><TD> </TD><TD> </TD>
+</TR>
+
+<TR><TD>12 bit DWVW</TD>
+ <TD> </TD><TD ALIGN="center">R/W</TD><TD> </TD><TD ALIGN="center">R/W</TD><TD> </TD><TD> </TD>
+ <TD> </TD><TD> </TD><TD> </TD><TD> </TD><TD> </TD><TD> </TD>
+ <TD> </TD><TD> </TD><TD> </TD><TD> </TD><TD> </TD><TD> </TD>
+</TR>
+
+<TR><TD>16 bit DWVW</TD>
+ <TD> </TD><TD ALIGN="center">R/W</TD><TD> </TD><TD ALIGN="center">R/W</TD><TD> </TD><TD> </TD>
+ <TD> </TD><TD> </TD><TD> </TD><TD> </TD><TD> </TD><TD> </TD>
+ <TD> </TD><TD> </TD><TD> </TD><TD> </TD><TD> </TD><TD> </TD>
+</TR>
+
+<TR><TD>24 bit DWVW</TD>
+ <TD> </TD><TD ALIGN="center">R/W</TD><TD> </TD><TD ALIGN="center">R/W</TD><TD> </TD><TD> </TD>
+ <TD> </TD><TD> </TD><TD> </TD><TD> </TD><TD> </TD><TD> </TD>
+ <TD> </TD><TD> </TD><TD> </TD><TD> </TD><TD> </TD><TD> </TD>
+</TR>
+<TR><TD>Ok Dialogic ADPCM</TD>
+ <TD> </TD><TD> </TD><TD> </TD><TD ALIGN="center">R/W</TD><TD> </TD><TD> </TD>
+ <TD> </TD><TD> </TD><TD> </TD><TD> </TD><TD> </TD><TD> </TD>
+ <TD> </TD><TD> </TD><TD> </TD><TD> </TD><TD> </TD><TD> </TD>
+</TR>
+<TR><TD>8 bit DPCM</TD>
+ <TD> </TD><TD> </TD><TD> </TD><TD> </TD><TD> </TD><TD> </TD>
+ <TD> </TD><TD> </TD><TD> </TD><TD> </TD><TD> </TD><TD> </TD>
+ <TD> </TD><TD ALIGN="center">R/W</TD><TD> </TD><TD> </TD><TD> </TD><TD> </TD>
+</TR>
+<TR><TD>16 bit DPCM</TD>
+ <TD> </TD><TD> </TD><TD> </TD><TD> </TD><TD> </TD><TD> </TD>
+ <TD> </TD><TD> </TD><TD> </TD><TD> </TD><TD> </TD><TD> </TD>
+ <TD> </TD><TD ALIGN="center">R/W</TD><TD> </TD><TD> </TD><TD> </TD><TD> </TD>
+</TR>
+</TABLE>
+
+<p>
+From version 1.0.18, libsndfile also reads and writes
+ <a href="http://flac.sourceforge.net/">FLAC</a>
+and
+ <a href="http://www.vorbis.com/">Ogg/Vorbis</a>.
+</p>
+
+<!-- pepper -->
+
+<P>
+ Some of the file formats I am also interested in adding are:
+</P>
+ <UL>
+ <LI> Kurzweil K2000 sampler files.
+ <LI> Ogg Speex.
+ </UL>
+<P>
+ I have decided that I will not be adding support for MPEG Layer 3 (commonly
+ known as MP3) due to the patent issues surrounding this file format.
+ See
+ <a href="http://www.mega-nerd.com/libsndfile/FAQ.html#Q020">
+ the FAQ</a>
+ for more.
+</P>
+<P>
+ Other file formats may also be added on request.
+</P>
+
+<!-- pepper -->
+
+<A NAME="History"></A>
+<H1><B>History</B></H1>
+<P>
+ My first attempt at reading and writing WAV files was in 1990 or so under Windows
+ 3.1.
+ I started using Linux in early 1995 and contributed some code to the
+ <A HREF="http://www.vaxxine.com/ve3wwg/gnuwave.html">wavplay</A>
+ program.
+ That contributed code would eventually mutate into this library.
+ As one of my interests is Digital Signal Processing (DSP) I decided that as well as
+ reading data from an audio file in the native format (typically 16 bit short integers)
+ it would also be useful to be able to have the library do the conversion to floating
+ point numbers for DSP applications.
+ It then dawned on me that whatever file format (anything from 8 bit unsigned chars,
+ to 32 bit floating point numbers) the library should be able to convert the data to
+ whatever format the library user wishes to use it in.
+ For example, in a sound playback program, the library caller typically wants the sound
+ data in 16 bit short integers to dump into a sound card even though the data in the
+ file may be 32 bit floating point numbers (ie Microsoft's WAVE_FORMAT_IEEE_FLOAT
+ format).
+ Another example would be someone doing speech recognition research who has recorded
+ some speech as a 16 bit WAV file but wants to process it as double precision floating
+ point numbers.
+</P>
+<P>
+ Here is the release history for libsndfile :
+</P>
+ <UL>
+ <LI>Version 0.0.8 (Feb 15 1999) First official release.
+ <LI>Version 0.0.28 (Apr 26 2002) Final release of version 0 of libsndfile.
+ <LI>Version 1.0.0rc1 (Jun 24 2002) Release candidate 1 of version 1 of libsndfile.
+ <LI>Version 1.0.0rc6 (Aug 14 2002) MacOS 9 fixes.
+ <LI>Version 1.0.0 (Aug 16 2002) First 1.0.X release.
+ <LI>Version 1.0.1 (Sep 14 2002) Added MAT4 and MAT5 file formats.
+ <LI>Version 1.0.2 (Nov 24 2002) Added VOX ADPCM format.
+ <LI>Version 1.0.3 (Dec 09 2002) Fixes for Linux on ia64 CPUs.
+ <LI>Version 1.0.4 (Feb 02 2003) New file formats and functionality.
+ <LI>Version 1.0.5 (May 03 2003) One new file format and new functionality.
+ <LI>Version 1.0.6 (Feb 08 2004) Large file fix for Linux/Solaris, new functionality
+ and Win32 improvements.
+ <LI>Version 1.0.7 (Feb 24 2004) Fix build problems on MacOS X and fix ia64/MIPS etc
+ clip mode detction.
+ <LI>Version 1.0.8 (Mar 14 2004) Minor bug fixes.
+ <LI>Version 1.0.9 (Mar 30 2004) Add AVR format. Improve handling of some WAV files.
+ <LI>Version 1.0.10 (Jun 15 2004) Minor bug fixes. Fix support for Win32 MinGW compiler.
+ <LI>Version 1.0.11 (Nov 15 2004) Add SD2 file support, reading of loop data in WAV and AIFF.
+ Minor bug fixes.
+ <LI>Version 1.0.12 (Sep 30 2005) Add FLAC and CAF file support, virtual I/O interface.
+ Minor bug fixes and cleanups.
+ <LI>Version 1.0.13 (Jan 21 2006) Add read/write of instrument chunks. Minor bug fixes.
+ <LI>Version 1.0.14 (Feb 19 2006) Minor bug fixes. Start shipping windows binary/source ZIP.
+ <LI>Version 1.0.15 (Mar 16 2006) Minor bug fixes.
+ <LI>Version 1.0.16 (Apr 30 2006) Add support for RIFX. Other minor feature enhancements and
+ bug fixes.
+ <LI>Version 1.0.17 (Aug 31 2006) Add C++ wrapper sndfile.hh. Minor bug fixes and cleanups.
+ <LI>Version 1.0.18 (Feb 07 2009) Add Ogg/Vorbis suppport, remove captive libraries, many
+ new features and bug fixes. Generate Win32 and Win64 pre-compiled binaries.
+ <LI>Version 1.0.19 (Mar 02 2009) Fix for CVE-2009-0186. Huge number of minor fixes as a
+ result of static analysis.
+ <LI>Version 1.0.20 (May 14 2009) Fix for potential heap overflow.
+ <LI>Version 1.0.21 (December 13 2009) Bunch of minor bug fixes.
+ <LI>Version 1.0.22 (October 04 2010) Bunch of minor bug fixes.
+ <LI>Version 1.0.23 (October 10 2010) Minor bug fixes.
+ <LI>Version 1.0.24 (March 23 2011) Minor bug fixes.
+ <LI>Version 1.0.25 (July 13 2011) Fix for Secunia Advisory SA45125. Minor bug fixes and
+ improvements.
+ </UL>
+
+<A NAME="Similar"></A>
+<H1><B>Similar or Related Projects</B></H1>
+
+ <UL>
+ <LI><A HREF="http://sox.sourceforge.net/">SoX</A> is a program for
+ converting between sound file formats.
+ <LI><A HREF="http://www.hitsquad.com/smm/programs/WavPlay/">Wavplay</A> started out
+ as a minimal WAV file player under Linux and has mutated into Gnuwave, a client/server
+ application for more general multimedia and games sound playback.
+ <LI><A HREF="http://www.68k.org/~michael/audiofile/">Audiofile</A> (libaudiofile) is
+ a library similar to libsndfile but with a different programming interface. The
+ author Michael Pruett has set out to clone (and fix some bugs in) the libaudiofile
+ library which ships with SGI's IRIX OS.
+ <LI><A HREF="ftp://ccrma-ftp.stanford.edu/pub/Lisp/sndlib.tar.gz">sndlib.tar.gz</A> is
+ another library written by Bill Schottstaedt of CCRMA.
+ </UL>
+
+<A NAME="Licensing"></A>
+<H1><B>Licensing</B></H1>
+<P>
+ libsndfile is released under the terms of the GNU Lesser General Public License,
+ of which there are two versions;
+ <a href="http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html">version 2.1</a>
+ and
+ <a href="http://www.gnu.org/copyleft/lesser.html">version 3</a>.
+ To maximise the compatibility of libsndfile, the user may choose to use libsndfile
+ under either of the above two licenses.
+ You can also read a simple explanation of the ideas behind the GPL and the LGPL
+ <A HREF="http://www.gnu.org/copyleft/copyleft.html">here</A>.
+</P>
+<P>
+ You can use libsndfile with
+ <A HREF="http://www.gnu.org/">Free Software</A>,
+ <A HREF="http://www.opensource.org/">Open Source</A>,
+ proprietary, shareware or other closed source applications as long as libsndfile
+ is used as a dynamically loaded library and you abide by a small number of other
+ conditions (read the LGPL for more info).
+ With applications released under the GNU GPL you can also use libsndfile statically
+ linked to your application.
+</P>
+<P>
+ I would like to see libsndfile used as widely as possible but I would prefer it
+ if you released software that uses libsndfile as
+ <A HREF="http://www.gnu.org/">Free Software</A>
+ or
+ <A HREF="http://www.opensource.org/">Open Source</A>.
+ However, if you put in a great deal of effort building a significant application
+ which simply uses libsndfile for file I/O, then I have no problem with you releasing
+ that as closed source and charging as much money as you want for it as long as you
+ abide by <A HREF="http://www.gnu.org/copyleft/lesser.html">the license</A>.
+</P>
+
+<A NAME="Download"></A>
+<H1><B>Download</B></H1>
+<P>
+ Here is the latest version. It is available in the following formats:
+</P>
+ <UL>
+ <LI>Source code as a .tar.gz :
+ <A HREF="files/libsndfile-1.0.25.tar.gz">libsndfile-1.0.25.tar.gz</A>
+ and
+ <A HREF="files/libsndfile-1.0.25.tar.gz.asc">(GPG signature)</A>.
+ <LI>Win32 installer:
+ <A HREF="files/libsndfile-1.0.25-w32-setup.exe">
+ libsndfile-1.0.25-w32-setup.exe</A> (thoroughly tested under
+ <a href="http://www.winehq.com/">Wine</a> and Windows XP).
+ <LI>Win64 installer:
+ <A HREF="files/libsndfile-1.0.25-w64-setup.exe">
+ libsndfile-1.0.25-w64-setup.exe</A>
+ (thoroughly tested on 64 bit Windows 7).
+ </UL>
+
+<P>
+The Win32 installer was compiled for Windows XP but should also work on Windows
+2000, Vista and Windows 7.
+</p>
+
+<P>
+ Pre-release versions of libsndfile are available
+ <A HREF="http://www.mega-nerd.com/tmp/">here</A>
+ and are announced on the
+ <A HREF="lists.html">libsndfile-devel</A>
+ mailing list.
+</P>
+
+<A NAME="SeeAlso"></A>
+<H1><B>See Also</B></H1>
+ <UL>
+ <LI><a href="http://www.mega-nerd.com/libsndfile/tools/">
+ sndfile-tools</a>
+ : a small collection of programs which use libsndfile.
+ </UL>
+
+<br><br>
+
+<hr>
+
+<P>
+ The latest version of this document can be found
+ <A HREF="http://www.mega-nerd.com/libsndfile/">here</A>.
+</P>
+<P>
+Author :
+ <A HREF="mailto:erikd@mega-nerd.com">
+ Erik de Castro Lopo</a>
+</P>
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+times.
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