colorchord vs showcqt-js

colorchord

Chromatic Sound to Light Conversion System (by cnlohr)

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showcqt-js

ShowCQT (Constant Q Transform) audio visualization (by mfcc64)

constant-q-transform audio-visualizer WebAssembly

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colorchord		showcqt-js
	Project
7	Mentions	4
656	Stars	35
-	Growth	-
1.8	Activity	6.7
8 months ago	Latest Commit	about 1 month ago
C	Language	JavaScript
GNU General Public License v3.0 or later	License	GNU Lesser General Public License v3.0 only

The number of mentions indicates the total number of mentions that we've tracked plus the number of user suggested alternatives.
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.

colorchord

Posts with mentions or reviews of colorchord. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2022-09-06.

Show HN: Make 3D art in your browser using Lisp and math
10 projects | news.ycombinator.com | 6 Sep 2022
Spectrum analyser
1 project | /r/esp8266 | 19 Nov 2021
My second MIDI keyboard LED installation
2 projects | /r/FastLED | 14 Nov 2021
audio scope for diy synth with esp8266 and an oled screen - builtin ADC is better than expected
1 project | /r/esp8266 | 31 Oct 2021

If Colorchord is any indication, it's probably possible. I haven't been able to get it to work, but I'm not particularly smart when it comes to programming. See what you can do with it!
Show HN: YouTube Musical Spectrum – visualizer for YouTube with musical notes
4 projects | news.ycombinator.com | 10 Aug 2021

cnlohr's colorchord does something similar to what you mentioned.
https://github.com/cnlohr/colorchord
Is there any DSP/Signal graph based control software for RGB lighting?
1 project | /r/rgbmasterrace | 18 Jan 2021
ESP8266 Websockets
1 project | /r/esp8266 | 11 Jan 2021

showcqt-js

Posts with mentions or reviews of showcqt-js. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2021-08-10.

GitHub - mfcc64/showcqt-js: ShowCQT (Constant Q Transform) audio visualization
1 project | /r/javascript | 23 Aug 2022
Show HN: Showcqt-JS – a JavaScript audio visualization engine library
1 project | news.ycombinator.com | 23 Aug 2022
Show HN: WebAssembly SIMD benchmark on showcqt-JS
1 project | news.ycombinator.com | 4 Feb 2022
Show HN: YouTube Musical Spectrum – visualizer for YouTube with musical notes
4 projects | news.ycombinator.com | 10 Aug 2021

The visualization engine is showcqt-js (https://github.com/mfcc64/showcqt-js). It is a javascript port of ffmpeg showcqt (Show Constant Q Transform). Probably, more correct name is Variable Q Transform.

What are some alternatives?

When comparing colorchord and showcqt-js you can also consider the following projects:

youtube-musical-spectrum - Audio visualizer for YouTube with musical notes.

img-encode - Encode an image to sound and view it as a spectrogram - turn your images into music

codemirror-lang-janet - Janet support for CodeMirror 6

libfive - Infrastructure for solid modeling

bitlisten - Realtime Bitcoin transaction visualizer

retrace.gl - Create, ray trace & export programatically defined Signed Distance Function CSG geometries with an API suited for generative art - in your browser! 🎉

waveform-playlist - Multitrack Web Audio editor and player with canvas waveform preview. Set cues, fades and shift multiple tracks in time. Record audio tracks or provide audio annotations. Export your mix to AudioBuffer or WAV! Add effects from Tone.js. Project inspired by Audacity.

commands - Collection of editing commands for the CodeMirror code editor

astrofox - Astrofox is a motion graphics program that lets you turn audio into amazing videos.

audiolink - Audio reactive prefabs for VRChat

implicit - A math-inspired CAD program in haskell. CSG, bevels, and shells; 2D & 3D geometry; 2D gcode generation...