How to Use Speech Synthesis with JavaScript to Create Custom Voices?

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To use speech synthesis with JavaScript, you can use the SpeechSynthesis API. Here’s an example of how you can use it to create custom voices:

const synth = window.speechSynthesis;

// Get all available voices
const voices = synth.getVoices();

// Set up the options for the speech synthesis
const utterance = new SpeechSynthesisUtterance("Hello, World!");
utterance.pitch = 1;
utterance.rate = 1;
utterance.voice = voices[0]; // Use the first available voice

// Speak the text using the speech synthesis API

In the above example, the SpeechSynthesis API is first accessed through the window object. Then, the getVoices() method is used to retrieve an array of all available voices.

The SpeechSynthesisUtterance object is then created with the text to be spoken. The pitch, rate, and voice properties are set to customize the speech synthesis. Finally, the speak() method is used to start the speech synthesis.

Note that the SpeechSynthesis API is not supported by all browsers, so be sure to check for compatibility before using it in your project.

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