René's URL Explorer Experiment


Title: Jonas Wagner - 29a.ch

Open Graph Title: Jonas Wagner

Description: 29a.ch is the personal website of Jonas Wagner.

Opengraph URL: http://29a.ch/

direct link

Domain: 29a.ch

fb:app_id829086800516580
og:typewebsite
og:site_name29a.ch by Jonas Wagner
google-site-verificationW2rep1XLz-hNlz_SjxvKbrzzY7Pf01lRfPCj4d_RX4U

Links:

29a.chhttps://29a.ch/
appshttps://29a.ch/apps
libshttps://29a.ch/libs
articleshttps://29a.ch/articles
experimentshttps://29a.ch/experiments
about mehttps://29a.ch/about
https://bsky.app/profile/29a.ch
https://github.com/jwagner
TimeStretch Player A audio player that can change the speed and pitch of audio independently. https://29a.ch/2015/12/06/time-stretching-audio-javascript
Analog Film Emulator A tool to emulate the look of analog film. https://29a.ch/2015/06/07/javascript-film-emulation
Forensically A set of tools to forensically analyze photos. https://29a.ch/2015/08/16/forensically-photo-forensics-for-the-web
Neonflames Draw your own nebula right in your browser. https://29a.ch/sandbox/2011/neonflames/
View all my experimentshttps://29a.ch/experiments
C2PA Content Credential Photo Forensicshttps://29a.ch/2025/04/12/c2pa-content-authenticity-in-photo-forensics
Jonas Wagnerhttps://29a.ch/about
C2PA Photo Forensics in Forensicallyhttps://29a.ch/photo-forensics/#c2pa
Forensicallyhttps://29a.ch/photo-forensics/
C2PA Javascript libraryhttps://github.com/contentauth/c2pa-js
contentcredentials.org/verifyhttps://contentcredentials.org/verify
“known certificate list”https://opensource.contentauthenticity.org/docs/verify-known-cert-list/
Forensicallyhttps://29a.ch/photo-forensics/
remote manifestshttps://c2pa.org/specifications/specifications/1.4/specs/C2PA_Specification.html#_embedding_a_reference_to_the_active_manifest
Forensicallyhttps://29a.ch/photo-forensics/
Content Security Policyhttps://developer.mozilla.org/en-US/docs/Web/HTTP/Guides/CSP
@contentauth/detectorhttps://www.npmjs.com/package/@contentauth/detector?activeTab=code
Impulse Response Creatorhttps://29a.ch/2025/03/23/impulse-response-creator
Jonas Wagnerhttps://29a.ch/about
Impulse Response Creatorhttps://29a.ch/impulse-response-creator/
convolutionhttps://en.wikipedia.org/wiki/Convolution
linear time-invariant sysyemhttps://en.wikipedia.org/wiki/Linear_time-invariant_system
all frequencies at oncehttps://en.wikipedia.org/wiki/Dirac_delta_function#Fourier_transform
shearinghttps://en.wikipedia.org/wiki/Shear_mapping
Farina, Angelo. (2000). Simultaneous Measurement of Impulse Response and Distortion With a Swept-Sine Technique.http://pcfarina.eng.unipr.it/Public/Papers/134-AES00.PDF
Wiener Deconvolutionhttps://en.wikipedia.org/wiki/Wiener_deconvolution
impulse noisehttps://en.wikipedia.org/wiki/Impulse_noise_(acoustics
Tuning Songs Instead of My Guitarhttps://29a.ch/2024/11/17/automatically-finding-and-fixing-song-tuning
Jonas Wagnerhttps://29a.ch/about
Try Fix Tuninghttps://29a.ch/fix-tuning/
Timestretch Playerhttps://29a.ch/timestretch/
some songhttps://en.wikipedia.org/wiki/For_Whom_the_Bell_Tolls_%28Metallica_song%29
Fix Tuninghttps://29a.ch/fix-tuning/
Noll, A. M. (1970). Pitch determination of human speech by the harmonic product spectrum, the harmonic sum spectrum and a maximum likelihood estimatehttp://noll.uscannenberg.org/Papers.htm
rubatohttps://github.com/HEnquist/rubato/
vitehttps://vite.dev/
wasm-packhttps://github.com/rustwasm/wasm-pack
CREPEhttps://arxiv.org/abs/1802.06182
End-to-End Musical Key Estimation Using a Convolutional Neural Networkhttps://arxiv.org/abs/1706.02921
Timestretch Playerhttps://29a.ch/timestretch/
simplex-noise.js 4.0 & Synthwave Demohttps://29a.ch/2022/07/23/simplex-noise-js-4-synthwave-demo
Jonas Wagnerhttps://29a.ch/about
View the synthwave demohttps://29a.ch/sandbox/2022/simplex-noise-synthwave/
simplex-noise.jshttps://github.com/jwagner/simplex-noise.js
tree shakinghttps://developer.mozilla.org/en-US/docs/Glossary/Tree_shaking
FBMhttps://thebookofshaders.com/13/
SuperFX Chiphttp://www.anthrofox.org/starfox/superfx.html
on githubhttps://github.com/jwagner/simplex-noise-demo-synthwave
Tool to apply wood textures to 3d printshttps://29a.ch/2021/10/23/3d-print-wood-texture-tool
Jonas Wagnerhttps://29a.ch/about
Test the 3d print texturizerhttps://29a.ch/sandbox/2021/3d-print-texturizer/
post on reddithttps://www.reddit.com/r/3Dprinting/comments/q2qgfw/today_i_learned_how_to_add_a_realistic_wood_grain/
fuzzy skinhttps://help.prusa3d.com/en/article/fuzzy-skin_246186/
three.jshttps://threejs.org/
Polymaker PolyWoodhttps://eu.polymaker.com/product/polywood/
Swirly Bokeh Lens Hood - 3D Printedhttps://29a.ch/2021/09/19/swirly-bokeh-lens-hood-3d-printed
Jonas Wagnerhttps://29a.ch/about
https://29a.ch/2021/09/19/swirly-bokeh-lens-hood-3d-printed/./swirl.jpg
Petzvalhttps://en.wikipedia.org/wiki/Petzval_lens
bokehhttps://en.wikipedia.org/wiki/Bokeh
jwagner/swirly-lens-hoodshttps://github.com/jwagner/swirly-lens-hoods
Procedural Lamp Shades for 3D Printinghttps://29a.ch/2021/08/22/procedural-lamp-shades-3d-printing
Jonas Wagnerhttps://29a.ch/about
Play with generating lamp shadeshttps://29a.ch/sandbox/2021/lampshades/
three.jshttps://threejs.org/
I made myself a guitar tunerhttps://29a.ch/2020/04/15/guitar-tuner
Jonas Wagnerhttps://29a.ch/about
Try the chromatic tunerhttps://29a.ch/tuner/
But what is the Fourier Transform? A visual introduction.https://www.youtube.com/watch?v=spUNpyF58BY
McLeod, Philip & Wyvill, Geoff. (2005). A smarter way to find pitch.http://www.cs.otago.ac.nz/tartini/papers/A_Smarter_Way_to_Find_Pitch.pdf
parabolic interpolationhttps://ccrma.stanford.edu/~jos/parshl/Peak_Detection_Steps_3.html#sec:peakdet
McLeod, Philip & Wyvill, Geoff. (2005). A smarter way to find pitch.http://www.cs.otago.ac.nz/tartini/papers/A_Smarter_Way_to_Find_Pitch.pdf
McLeod, Philip (2008). Fast, Accurate Pitch Detection Tools for Music Analysis.http://www.cs.otago.ac.nz/research/publications/oucs-2008-03.pdf
View & search all my articleshttps://29a.ch/articles/
Film Emulatorhttps://29a.ch/film-emulator/
Timestretch Playerhttps://29a.ch/timestretch/
Photo Forensicshttps://29a.ch/photo-forensics/
Neon Flameshttps://29a.ch/sandbox/2011/neonflames/
jwagnerhttps://github.com/jwagner
Linkedinhttp://ch.linkedin.com/pub/jonas-wagner/11/812/175
Flickr https://www.flickr.com/photos/80225884@N06/

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URLs of crawlers that visited me.