31:T524,viewof scores = { const form = html``; const button = form.listen; form.value = new Map(d3.permute(words.map(word => [word, 0]), order)); button.onclick = async event => { event.preventDefault(); if (recognizer.isListening()) { button.disabled = true; button.textContent = "Stopping…"; await recognizer.stopListening(); button.classList.remove("active"); button.textContent = "Listen"; button.disabled = false; return; } button.textContent = "Stop"; button.classList.add("active"); recognizer.listen(({scores}) => { form.value = new Map(d3.permute(Array.from(scores, (s, i) => [words[i], s]), order)); form.dispatchEvent(new CustomEvent("input")); }, { probabilityThreshold: 0.75 }); }; invalidation.then(() => { if (recognizer.isListening()) { recognizer.stopListening(); } }); return form; }32:[] 2f:{"title":"Audio Recognition with TensorFlow","cells":[{"id":0,"value":"md`# Audio Recognition with TensorFlow\n\nThis pre-trained model can recognize 20 speech commands. Click **Listen**, then speak one of the words below. Ref. [Google Codelab](https://codelabs.developers.google.com/codelabs/tensorflowjs-audio-codelab/)`","pinned":false,"hidden":false,"mode":"ojs"},{"id":130,"value":"d3.greatest(scores, ([word, score]) => score || NaN)","pinned":true,"hidden":false,"mode":"ojs"},{"id":152,"value":"html`\n \n ${Array.from(scores, ([word, score]) => html`\n \n `)}\n

word
\n \n ${word} \n

`","pinned":false,"hidden":false,"mode":"ojs"},{"id":22,"value":"$31","pinned":true,"hidden":false,"mode":"ojs"},{"id":17,"value":"recognizer = {\n const recognizer = speechCommands.create(\"BROWSER_FFT\");\n await recognizer.ensureModelLoaded();\n return recognizer;\n}","pinned":true,"hidden":false,"mode":"ojs"},{"id":50,"value":"words = recognizer.wordLabels()","pinned":true,"hidden":false,"mode":"ojs"},{"id":177,"value":"order = [\n 18, // yes\n 9, // no\n 17, // up\n 2, // down\n 7, // left\n 11, // right\n 6, // go\n 14, // stop\n 19, // zero\n 10, // one\n 16, // two\n 15, // three\n 5, // four\n 4, // five\n 13, // six\n 12, // seven\n 3, // eight\n 8, // nine\n 0, // _background_noise_\n 1, // _unknown_\n]","pinned":true,"hidden":false,"mode":"ojs"},{"id":163,"value":"d3 = require(\"d3-array@2\")","pinned":true,"hidden":false,"mode":"ojs"},{"id":4,"value":"tfjs = require(\"@tensorflow/tfjs@0.13\")","pinned":true,"hidden":false,"mode":"ojs"},{"id":10,"value":"speechCommands = require(\"@tensorflow-models/speech-commands@0.2\")","pinned":true,"hidden":false,"mode":"ojs"}],"files":"$W32","stdlib":"1","titling":"auto"}