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+---
+layout: default
+title: Libsamplerate home page
+---
+
+{: .indent_block}
+*"Choosing a sample rate coverter wasn't easy. We ran numerous tests with Secret
+Rabbit Code and other sample rate converters, then compared them all. In the
+end, SRC outperformed the others, including some extremely well known and
+popular software. We had one issue with SRC, but after emailing Erik, he got
+back to us immediately with an answer. Choosing SRC was a no brainer."*
+Ryan Smith, International Marketing Manager,
+[Emersys Corp.](http://emersys.co.kr/), South Korea.
+Product : [Maven3D](http://maven3d.com)
+
+**S**ecret **R**abbit **C**ode (aka libsamplerate) is a **S**ample **R**ate
+**C**onverter for audio. One example of where such a thing would be useful is
+converting audio from the CD sample rate of 44.1kHz to the 48kHz sample rate
+used by DAT players.
+
+**SRC** is capable of arbitrary and time varying conversions, from downsampling
+by a factor of 256 to upsampling by the same factor. Arbitrary in this case
+means that the ratio of input and output sample rates can be an irrational
+number. The conversion ratio can also vary with time for speeding up and slowing
+down effects.
+
+**SRC** provides a small set of converters to allow quality to be traded off
+against computation cost. The current best converter provides a signal-to-noise
+ratio of 145dB with -3dB passband extending from DC to 96% of the theoretical
+best bandwidth for a given pair of input and output sample rates.
+
+Since the library has few dependencies beyond that provided by the standard C
+library, it should compile and work on just about any operating system. It is
+known to work on Linux, MacOSX, [Win32](win32.md) and Solaris. With some
+relatively minor hacking it should also be relatively easy to port it to
+embedded systems and digital signal processors.
+
+In addition, the library comes with a comprehensive test suite which can
+validate the performance of the library on new platforms.
+
+## Download
+
+Check latest version on
+[GitHub Releases page](https://github.com/libsndfile/libsamplerate/releases).
+
+Binaries and source packages are signed by current release manager David Seifert aka
+@SoapGentoo. You can verify signatures with his public GPG key (`0xA47620E801E47E95`):
+
+```
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