tardis-bot/tts/espeak/index.js

const BaseEngine=require('../BaseEngine')
const {spawn} = require('child_process')

module.exports=class extends BaseEngine {
	constructor() {
		super('ESpeak','wav')
	}
	async getSpeechFile(text, filepath, voice='en', params={}) {
		let proc=await spawn('espeak', ['-v', voice, '-w',filepath, '--stdin']);
		proc.stdin.end(text);
	}
}