Voice Cloning with Coqui TTS

What is Coqui TTS?

Coqui TTS is an open-source text-to-speech library supporting multiple TTS models and voice cloning. It can generate natural-sounding speech and clone voices from short audio samples.

Installation

pip install TTS

# List available models
tts --list_models

# Download and test a model
tts --text "Hello, this is a test of text to speech." \
    --model_name tts_models/en/ljspeech/tacotron2-DDC \
    --out_path output.wav

Voice Cloning

# Clone a voice from a short audio sample (5-30 seconds)
tts --text "This is my cloned voice speaking." \
    --model_name tts_models/multilingual/multi-dataset/xtts_v2 \
    --speaker_wav speaker_sample.wav \
    --language_idx en \
    --out_path cloned_output.wav

TTS Server API

# Start TTS server
tts-server --model_name tts_models/multilingual/multi-dataset/xtts_v2 \
    --host 0.0.0.0 --port 5002

# API usage
curl "http://localhost:5002/api/tts?text=Hello+world" -o output.wav

# With voice cloning via API
curl -X POST "http://localhost:5002/api/tts" \
    -F "text=Hello from cloned voice" \
    -F "speaker_wav=@speaker_sample.wav" \
    -o cloned.wav

Python API

from TTS.api import TTS

tts = TTS("tts_models/multilingual/multi-dataset/xtts_v2").to("cuda")

# Generate speech
tts.tts_to_file(
    text="Welcome to our service.",
    speaker_wav="speaker.wav",
    language="en",
    file_path="output.wav"
)

Use Cases

• Custom voice assistants and IVR systems
• Audiobook generation
• Video narration automation
• Accessibility features for applications
• Multilingual content generation