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A library for audio oversampling, which tries to offer a simple api while wrapping HIIR, by Laurent De Soras, for minimum phase antialiasing, and r8brain-free-src, by Aleksey Vaneev, for linear phase antialiasing.

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oversimple

Oversimple is a C++17 library for audio oversampling, which tries to offer a simple api.

Oversimple wraps two of the best resampling libraries available:

Both libraries use SIMD instructions for both single and double precision floating point numbers on all platforms where they are supported (including double precision on ARM AArch64).

Aligned memory and interleaved buffers needed by the simd code in HIIR are managed using avec.

Usage

Add everything to your project except for the content of the test folders and the .cpp files in avec/vectorclass.

Add to your include paths the directory in which you put this repository and its subdirectories r8brain, avec, and avec/vectorclass.

To use PFFFT with double precision, define R8B_PFFFT_DOUBLE=1 in r8brain/r8bconf.h or as a preprocessor definition. See r8brain/README.md for more details.

Dependencies

  • pthread on *nix (only r8brain).

Documentation

The documentation, available at https://unevens.github.io/oversimple/, can be generated with Doxygen running

$ doxygen doxyfile.txt

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A library for audio oversampling, which tries to offer a simple api while wrapping HIIR, by Laurent De Soras, for minimum phase antialiasing, and r8brain-free-src, by Aleksey Vaneev, for linear phase antialiasing.

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