meomeo 0.1.0

Text to speech for Dart, powered by espeak-ng and ONNX Runtime.

meomeo

Text to speech for Dart. Text in, audio out.

Uses espeak-ng for phonemization and ONNX Runtime for neural inference. Compatible with KittenTTS models.

Usage

import 'package:meomeo/meomeo.dart';

final meo = Meo.init(
  'model.onnx',
  voicesPath: 'voices.npz',
  espeakDataPath: './espeak-data',
);

// Text to audio
final pcm = meo.speak('Hello world');

// Text to WAV file
meo.save('Hello world', 'output.wav');

// Switch voice
meo.speaker = 'Bruno';

// Cleanup
meo.dispose();

Setup

1. Install espeak phoneme data:

dart pub global activate espeak_cli
espeakc --all --exclude=fo --output ./espeak-data

2. Download a KittenTTS model from HuggingFace:
   • kitten-tts-nano-0.8 (15M params, fast)
   • kitten-tts-mini-0.8 (80M params, better quality)

Voices

Bella, Jasper, Luna, Bruno, Rosie, Hugo, Kiki, Leo