Octopus dance animation using audio spectrum analysis

Pedagogical tool for explaning Fast Fourier Transform

website music player

A scientific computing environment similar to Octave/Matlab in pure JavaScript for browser and nodejs

Audio processing scripts for communications lab experiments.

🦋 Fast Fourier Transform algorithms for JavaScript

A demo application showcasing using LightningChart JS to display a static Spectrogram.

SpectralLab is an interactive frequency/coeff-domain image analysis tool with DFT/FFT, DCT, and DWT pipelines, supporting filtering, inverse reconstruction, and energy statistics.

Real valued split radix FFT with inverse.

Browser-based live decoder for 6-tone sequences with spectrum and waterfall visualization

JavaScript Fast Fourier Transform function as minimal as possible

Chunky analog synth sounds from your guitar fretboard.

Average audio frequencies online

Advanced Mathematics Library ready for standard JavaScript use forked from https://github.com/numbers/numbers.js

Analisador de frequências (matriz de espectro) de arquivo de som utilizando FFT (Fast Fourier Transform) do p5.JS

The oinkiest FFT in the web + The oinkiest Benchmarking Suite for FFTs

POC de um editor básico de imagem no domínio da frequência usando FFT

a voice recognition based web App: (chrome browser preferred) try it here 👇

The code computes the STFT of the audio signal using overlapping windows, and various features can be extracted from the resulting STFT matrix, which can then be used to train a machine learning model, such as an SVM, to classify the emotional state of the speaker.