# jackschaedler/circles-sines-signals

A Compact Primer on Digital Signal Processing

Repository: https://github.com/jackschaedler/circles-sines-signals
Canonical: https://ross.abutalabs.com/products/circles-sines-signals
Language: JavaScript
License Family: other
Last push: 2022-06-30T05:48:47+00:00

## Health v2 (maintenance only)
Score: 32/100 (v2, computed 2026-09-02T17:46:02.011165+00:00)
- activity 0, release rhythm 35, longevity 100
- inputs: {"age_days": 4217, "days_push": 1525, "days_rel": null, "gap_med": null, "n_releases_24m": 0}
- flags: no_releases, no_license
- formula: round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)

## Adoption (not part of the score)
Stars 1038, forks 88 (observed 2026-08-28T04:03:19.804367+00:00)

## What it is
An interactive web-based primer on digital signal processing, built with JavaScript visualizations. It explains core DSP concepts like sinusoids, sampling, and the discrete Fourier transform through animated illustrations.

## Use cases
- learn digital signal processing fundamentals
- understand how the discrete Fourier transform works
- visualize sine waves and sampling concepts
- find an accessible DSP tutorial with interactive demos
- study signal processing before implementing audio software

## When to choose
- you want an intuitive, visual introduction to DSP concepts
- you learn better from interactive animations than equations
- you need a free primer before tackling heavier DSP textbooks

## When to avoid
- you need a production DSP library or code to embed in your project
- you want rigorous mathematical treatment with exercises
- you need comprehensive coverage of advanced DSP topics like filters design or wavelets

## Facets
- artifact type: learning-resource
- maturity: maintenance
- function: documentation, data-visualization, graphics
- domain: tutorials, education, data-visualization
- platform: browser
- tags: digital-signal-processing, interactive-tutorial, dsp-primer, educational, audio, web-server, javascript

## Member repositories
- jackschaedler/circles-sines-signals (main) score 32

## Provenance
- Observed fields: from GitHub, fetched 2026-08-28T04:03:19.804367+00:00.
- Health v2: computed from the inputs above; adoption is never an input.
- Inferred fields (summary, facets, guidance): AI-extracted, prompt v1, taxonomy v1, on 2026-08-30T07:04:16.324311+00:00, confidence not recorded.
  - readme: https://github.com/jackschaedler/circles-sines-signals (fetched 2026-08-28T04:03:19.804367+00:00, sha 0957306a09da)
- Data as of 2026-08-30T08:39:29.467469+00:00.