Projects / Secret Rabbit Code

Secret Rabbit Code

Secret Rabbit Code is a sample rate converter for audio. It is capable of arbitrary and time varying conversions. It can downsample by a factor of 256 and upsample by the same factor. The ratio of input and output sample rates can be a real number. The conversion ratio can also vary with time for speeding up and slowing down effects.

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Recent releases

  •  15 Feb 2009 04:46

    Release Notes: A segfault which occurs when memcpy is passed a bad length parameter was fixed. This bug is not exploitable. Compilation under MSVC was fixed.

    •  27 Jan 2009 10:54

      Release Notes: A bug in the test suite with accounting for rounding errors on x86_64 was fixed.

      •  11 Jan 2009 13:48

        Release Notes: Optimization of the SINC based converters resulted in significant improvements in throughput for many common cases.

        •  03 Jul 2008 08:08

          Release Notes: A segfault when downsampling by an extremely small ratio was fixed.

          •  25 Mar 2008 09:12

            Release Notes: Drastic improvements in conversion quality of the SRC_SINC_MEDIUM_QUALITY and SRC_SINC_BEST_QUALITY converters with a minor decrease in throughput. Minor bugs were fixed.

            Recent comments

            16 Sep 2004 23:42 peisenlohr

            Just the right thing!
            When looking for a streamlined and easy-to-use audio resampling library to use in your project, you just found it!

            Resampling can be done either on a single block of audio data at once or, for streaming purposes, in smaller chunks of data, while libsamplerate takes care of managing the state.

            Good work!

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