Difference between revisions of "Libsamplerate"
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| − | {{intro|[http://www.mega-nerd.com/SRC/ Libsamplerate] - also known as Secret Rabbit Code (SRC) - is Erik de Castro Lopo's excellent audio resampling library. It | + | {{intro|[http://www.mega-nerd.com/SRC/ Libsamplerate] - also known as Secret Rabbit Code (SRC) - is Erik de Castro Lopo's excellent audio resampling library. It was optionally available in Audacity up to and including version 2.1.0 if you compiled Audacity from source code.|}} |
| + | Audacity 2.1.0 and earlier contained code to use Libsamplerate for resampling, but it was not enabled by default due to licensing issues. Instead, Audacity first used a library called [[libresample]] based on Julius Orion Smith's [[Resample]] algorithm, then from 2.0.3 to 2.1.0 offered [[Libsoxr]] as default resampling library, with both libsamplerate and libresample being compile-time options. | ||
| − | Audacity | + | From Audacity 2.1.1 onwards, only libsoxr is offered. |
| − | + | Until 2.1.1, libsamplerate could be used if you [[CompilingAudacityForBeginners|compiled Audacity from source code]] at the command-line, and configured --with-libsampletate. On Windows building with [http://en.wikipedia.org/wiki/Microsoft_Visual_Studio Visual Studio], you could #define USE_LIBSAMPLERATE in win\configwin.h. | |
| − | If you use libsamplerate, you should not install extra plug-ins in Audacity unless they are licensed under the [http://www.gnu.org/licenses/licenses.html#GPL GPL] or some | + | If you use libsamplerate, you should not install extra plug-ins in Audacity unless they are licensed under the [http://www.gnu.org/licenses/licenses.html#GPL GPL] or some license compatible with it. |
[[Category:For Developers]] | [[Category:For Developers]] | ||
[[Category:Library]] | [[Category:Library]] | ||
Latest revision as of 16:24, 9 August 2016
| Libsamplerate - also known as Secret Rabbit Code (SRC) - is Erik de Castro Lopo's excellent audio resampling library. It was optionally available in Audacity up to and including version 2.1.0 if you compiled Audacity from source code.
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Audacity 2.1.0 and earlier contained code to use Libsamplerate for resampling, but it was not enabled by default due to licensing issues. Instead, Audacity first used a library called libresample based on Julius Orion Smith's Resample algorithm, then from 2.0.3 to 2.1.0 offered Libsoxr as default resampling library, with both libsamplerate and libresample being compile-time options.
From Audacity 2.1.1 onwards, only libsoxr is offered.
Until 2.1.1, libsamplerate could be used if you compiled Audacity from source code at the command-line, and configured --with-libsampletate. On Windows building with Visual Studio, you could #define USE_LIBSAMPLERATE in win\configwin.h.
If you use libsamplerate, you should not install extra plug-ins in Audacity unless they are licensed under the GPL or some license compatible with it.
