This module implements some algorithms for calculating Fast Fourier Transforms for one-dimensional data sets of size 2^n. The data, assumed to arise from a constant sampling rate, is represented by an array reference $data (as described in the method...

RKOBES/Math-FFT-1.28 - 03 Sep 2005 16:20:00 GMT - Search in distributionThis module and this documentation is still in a very early state. Danger Will Robinson! An OO interface will evolve soon. * "gsl_fft_complex_radix2_forward($data, $stride, $n) " This function computes the forward FFTs of length $n with stride $strid...

AMBS/Math-GSL-0.32 - 18 Jun 2014 16:30:23 GMT - Search in distribution- Math::GSL::FFT - Fast Fourier Transforms (FFT)
- Math::GSL - Perl interface to the GNU Scientific Library (GSL)

This module makes it easy to analyze audio files with the Fast Fourier Transform and sync the output of the FFT in time for visual representation. REFERENCE $analyzer = Audio::Analyzer->new(%opts) Create a new instance of Audio::Analyzer ready to ana...

TRIDDLE/Audio-Analyzer-0.22 - 22 Jul 2013 22:36:22 GMT - Search in distributionNow that you have some idea how to use "pp_def" to define new PDL functions it is time to explain the general syntax of "pp_def". "pp_def" takes as arguments first the name of the function you are defining and then a hash list that can contain variou...

CHM/PDL-2.007 (2 reviews) - 12 Oct 2013 16:57:07 GMT - Search in distribution- PDL::Index - an index of PDL documentation
- PDL::Course - A journey through PDL's documentation, from beginner to advanced.

This is a bundle of modules related to numeric algorithms. Please have a look at Bundle::Math. If you would like to see a specific module included in a future version of this bundle, please send me an email or use rt.cpan.org. AUTHOR Steffen Mueller ...

SMUELLER/Bundle-Math-Numeric-1.00 - 05 Apr 2004 12:10:48 GMT - Search in distributionGiven a string with algebraic notation, convert to RPN, which is what any crappy dime store calculator needs to do anyway. Doesn't really process anything, that's up to you. You will get an array back with all of the variables and operations in RPN f...

THECRAMPS/Acme-AlgebraicToRPN-0.02 - 10 Mar 2009 13:40:34 GMT - Search in distributionMath::Random::Brownian is a perl module for calculating a realization of either fractional Brownian Motion, or a fractional Gaussian sequence. This is accomplished using the various methods. Currently, the C code for this module is due to Ton Dieker ...

WMSZELIGA/Math-Random-Brownian-0.03 - 17 Mar 2005 20:10:44 GMT - Search in distributionThis module calculate Phase Only Correlation coefficients. This measures degree of similarity between two waves (signals) heed to only phase component, so this method is not affected by an amplitude difference. The more similar two signals (waves), c...

MOZNION/Math-PhaseOnlyCorrelation-0.06 - 17 Dec 2012 18:12:49 GMT - Search in distributionConsider this alpha software. It is still under fairly active development and the interface may change in incompatible ways. Audio::Analyzer::ToneDetect is a module for detecting single frequency tones in an audio stream or file. It supports mono PCM...

MIKEGRB/Audio-Analyzer-ToneDetect-0.04 - 09 Sep 2013 02:14:05 GMT - Search in distributionThe Spectrogram plugin builds up a spectrogram for digitized DNA sequence using the short-time fourier transform (STFT) method, adapted from classical digital signal processing methods. A sliding window of variable size and overlap is used to calcula...

LDS/GBrowse-2.55 - 10 Jul 2013 14:51:25 GMT - Search in distribution