https://github.com/zsiciarz/aquila

Aquila is a digital signal processing library for C++11.
https://github.com/zsiciarz/aquila

Last synced: 18 days ago
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Aquila is a digital signal processing library for C++11.

• Host: GitHub
• URL: https://github.com/zsiciarz/aquila
• Owner: zsiciarz
• License: mit
• Created: 2010-03-26T11:12:09.000Z (over 14 years ago)
• Default Branch: master
• Last Pushed: 2016-03-25T01:11:19.000Z (over 8 years ago)
• Last Synced: 2024-07-31T22:44:46.620Z (3 months ago)
• Language: C++
• Homepage: http://aquila-dsp.org
• Size: 5.41 MB
• Stars: 452
• Watchers: 42
• Forks: 112
• Open Issues: 33
• Metadata Files:
  • Readme: README.md
  • Changelog: CHANGELOG
  • Contributing: CONTRIBUTING.md
  • License: LICENSE

Awesome Lists containing this project

README

        
What is Aquila?

===============

Aquila is an open source and cross-platform DSP (Digital Signal Processing)

library for C++11.

[![Build Status](https://travis-ci.org/zsiciarz/aquila.png?branch=master)](https://travis-ci.org/zsiciarz/aquila)

[![Windows Build Status](https://ci.appveyor.com/api/projects/status/github/zsiciarz/aquila?branch=master&svg=true)](https://ci.appveyor.com/project/zsiciarz/aquila)

[![Coverage Status](https://coveralls.io/repos/zsiciarz/aquila/badge.png)](https://coveralls.io/r/zsiciarz/aquila)

[![Coverity Scan Build Status](https://scan.coverity.com/projects/2786/badge.svg)](https://scan.coverity.com/projects/2786)

Example

=======

```cpp

#include "aquila/aquila.h"

int main()

{

    // input signal parameters

    const std::size_t SIZE = 64;

    const Aquila::FrequencyType sampleFreq = 2000, f1 = 125, f2 = 700;

    Aquila::SineGenerator sine1(sampleFreq);

    sine1.setAmplitude(32).setFrequency(f1).generate(SIZE);

    Aquila::SineGenerator sine2(sampleFreq);

    sine2.setAmplitude(8).setFrequency(f2).setPhase(0.75).generate(SIZE);

    auto sum = sine1 + sine2;

    Aquila::TextPlot plot("Input signal");

    plot.plot(sum);

    // calculate the FFT

    auto fft = Aquila::FftFactory::getFft(SIZE);

    Aquila::SpectrumType spectrum = fft->fft(sum.toArray());

    plot.setTitle("Spectrum");

    plot.plotSpectrum(spectrum);

    return 0;

}

```

For more usage examples see the `examples` directory or

[browse them online](http://aquila-dsp.org/articles/examples/).

Features

========

 * various signal sources (generators, text/binary/WAVE files)

 * signal windowing and filtering

 * performing operations on a frame-by-frame basis

 * calculating energy, power, FFT and DCT of a signal

 * feature extraction, including MFCC and HFCC features, widely used in

   speech recognition

 * pattern matching with DTW (dynamic time warping) algorithm

Requirements

============

The following dependencies are required to build the library from source.

 * a modern C++11 compiler

 * CMake >= 2.8

Contributing

============

See CONTRIBUTING.md for some guidelines how to get involved.

License

=======

The library is licensed under the MIT (X11) license. A copy of the license

is distributed with the library in the LICENSE file.

Authors

=======

Zbigniew Siciarz (zbigniew at siciarz dot net)

This library includes code from Takuya Ooura's mathematical software packages,

which are available at http://www.kurims.kyoto-u.ac.jp/~ooura/.