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23 - Speech Synthesis #32

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23 - Speech Synthesis #32

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82 changes: 82 additions & 0 deletions 23 - Speech Synthesis/changi.html
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Original file line number Diff line number Diff line change
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<title>Speech Synthesis</title>
<link
href="https://fonts.googleapis.com/css?family=Pacifico"
rel="stylesheet"
type="text/css"
/>
<link rel="stylesheet" href="style.css" />
</head>
<body>
<div class="voiceinator">
<h1>The Voiceinator 5000</h1>

<select name="voice" id="voices">
<option value="">Select A Voice</option>
</select>

<label for="rate">Rate:</label>
<input name="rate" type="range" min="0" max="3" value="1" step="0.1" />

<label for="pitch">Pitch:</label>

<input name="pitch" type="range" min="0" max="2" step="0.1" />
<textarea name="text">Hello! I love JavaScript 👍</textarea>
<button id="stop">Stop!</button>
<button id="speak">Speak</button>
</div>

<script>
const msg = new SpeechSynthesisUtterance();
let voices = [];
const voicesDropdown = document.querySelector('[name="voice"]');
const options = document.querySelectorAll(
'[type="range"], [name="text"]'
);
const speakButton = document.querySelector("#speak");
const stopButton = document.querySelector("#stop");

msg.text = document.querySelector(`[name="text"]`).value;

function populateVoices() {
voices = this.getVoices();
voicesDropdown.innerHTML = voices
.filter((voice) => voice.lang.includes("en"))
.map(
(voice) =>
`<option value="${voice.name}">${voice.name} (${voice.lang})</option>`
)
.join("");
}
function setVoice() {
msg.voice = voices.find((voice) => voice.name === this.value);
toggle();
}
function toggle(startover = true) {
speechSynthesis.cancel();

if (startover) {
speechSynthesis.speak(msg);
}
}
function setOption() {
msg[this.name] = this.value;
toggle();
}

speechSynthesis.addEventListener("voiceschanged", populateVoices);
voicesDropdown.addEventListener("change", setVoice);
options.forEach((option) => {
option.addEventListener("change", setOption);
});

speakButton.addEventListener("click", toggle);
stopButton.addEventListener("click", () => {
toggle(false);
});
</script>
</body>
</html>