Tagged “audio”
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Find the Invisible Cow
A hot-and-cold game where a shouting voice gets louder as you move your cursor toward a hidden invisible cow.
After the Beep
A public voicemail box where strangers leave messages that are manually approved and captioned, so you can listen to wha…
Audiophool
A hobbyist's library of vacuum tube lore and obsolete electronics, for guitar amp tinkerers, transmitter operators and a…
AudioTag
A free music recognition robot that identifies unknown songs from an uploaded clip or link using audio fingerprinting, e…
BBC Sound Effects
A searchable archive of more than 16,000 BBC sound effects that you can listen to online, covering a huge range of every…
BirdNote
A daily two-minute audio show and archive that tells short, vivid stories about birds, their behavior, and the people wh…
Book2 Language Course
A free downloadable audio phrasebook covering 50 languages, built around 100 practical everyday lessons for travelers an…
BoreMyBrain
A site that reads dry legal text aloud in a calm voice to help you fall asleep, offering a free and deliberately dull al…
Cambridge Interactive IPA Chart
An interactive International Phonetic Alphabet chart from Cambridge University Press where clicking a symbol plays its s…
Cloud TTS
A free text-to-speech tool where you paste text and hear it read in a natural voice, with 140 languages and karaoke-styl…
Crossfade.io
A browser tool for building crossfades that blends tracks from YouTube, Vimeo, SoundCloud, and GIFs, so you can mix vide…
DIYAudio
A veteran forum for hobbyists building their own speakers, amplifiers, and audio electronics, packed with schematics and…
Dynamic Dialects
An archive of recorded native speaker accents from around the world, built as a training resource for actors and dialect…
Fix My Speakers
A free tool that plays a specific tone whose sound waves push water and dust out of a phone speaker after it gets wet; t…
Forvo
A pronunciation dictionary where native speakers have recorded millions of words in more than 400 languages, playable wi…
Free Music Demixer
A tool that uses AI in the browser to split a song into separate stems such as vocals and drums, with no server upload a…
Fundamentals of Music Processing
Free interactive Python notebooks accompanying a well-known textbook that explain how sound, notes, spectrograms and mus…
Gastropod
A podcast by Cynthia Graber and Nicola Twilley examining food through the twin lenses of science and history.
Gibber
A live coding environment in the browser for creating audio and visual performances, where you write JavaScript and hear…
Grooved
A free, ad-free browser app that calibrates your turntable by listening to a record as it plays, so you can check speed…
Hack this Shopping Cart
A playful demo showing how audio played from a phone speaker can lock and unlock the wheels of a store shopping cart, wi…
Hearing Test
A quick online hearing test with no sign-up that plays tones across the frequency range so you can find the highest pitc…
How AI Hears Accents
An audible visualization of accent clusters: explore a map of English accents from around the world and click points to…
How to pack a stereo signal in one record groove
An illustrated explainer of how one vinyl groove carries two channels, comparing vertical and horizontal modulation and…
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