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refactor: stop buffering text and start streaming asap

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mitchell 2026-04-22 22:06:50 -04:00
parent 9c2c31be96
commit a6472f2075
1 changed files with 33 additions and 33 deletions
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66
kokoro.ts
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@ -3,14 +3,14 @@
* 2. Modify onnxruntime-node/dist/binding.js for bun
* 3. Profit */
import os from "node:os";
import { $ } from "bun";
import { $, which } from "bun";
import chalk from "chalk";
import { KokoroTTS, TextSplitterStream } from "kokoro-js";
const model_id = "onnx-community/Kokoro-82M-v1.0-ONNX";
const tts = await KokoroTTS.from_pretrained(model_id, {
dtype: "fp32", // Options: "fp32", "fp16", "q8", "q4", "q4f16"
device: "cpu", // Options: "wasm", "webgpu" (web) or "cpu" (node). If using "webgpu", we recommend using dtype="fp32".
dtype: "fp32", // fp32 and q8 work best; fp16 results in silent segments
device: "cpu",
});
const stream = new TextSplitterStream();
@ -21,46 +21,46 @@ if (!input) {
}
stream.push(input);
console.log(chalk.blue("Welcome to aitts!\n"));
console.log(input);
await $`rm -r ${os.homedir()}/.aitts/`.nothrow();
await $`mkdir ${os.homedir()}/.aitts/`.nothrow();
let fileId = 0;
let buffer = "";
for (const text of stream) {
buffer += ` ${text}`;
if (buffer.length < 100) continue;
const files: string[] = [];
console.log(`${chalk.blue(fileId)}:${buffer}`);
const audio = await tts.generate(buffer, {
voice: "af_heart",
const processText = async (text: string) => {
const audio = await tts.generate(text, {
voice: "af_bella",
speed: 1.2,
});
const file = `${os.homedir()}/.aitts/${fileId}.wav`;
audio.save(file);
files.push(file);
fileId++;
buffer = "";
}
};
if (buffer) {
console.log(`${chalk.blue(fileId)}:${buffer}`);
const audio = await tts.generate(buffer, {
voice: "af_heart",
speed: 1.2,
});
const file = `${os.homedir()}/.aitts/${fileId}.wav`;
audio.save(file);
}
console.log(chalk.yellow("Combine wav file with sox..."));
await $`sox ${os.homedir()}/.aitts/* ${os.homedir()}/.aitts/all.wav`;
console.log(chalk.green("Success: ~/.aitts/all.wav"));
console.log(chalk.yellow("Listening with mpv..."));
await Bun.spawn({
cmd: ["mpv", `${os.homedir()}/.aitts/all.wav`],
const play = async () => {
for (const file of files) {
console.log(chalk.green(`Playing ${file}`));
await Bun.spawn({
cmd: ["mpv", file],
stdout: "inherit",
}).exited;
console.log(chalk.green("Have a nice day!"));
}).exited;
process.stdout.moveCursor(-9999, -5);
process.stdout.clearScreenDown();
}
};
let playing: Promise<void> | undefined;
for (const text of stream) {
await processText(text);
if (!playing && which("mpv")) {
playing = play();
}
}
await playing;