Default
Default is a neutral AI voice powered by the IndexTTS-2 text-to-speech model. This standard-tier voice speaks English and delivers high-quality speech synthesis. With moderate generation speed and a quality rating of 4/5, Default is well-suited for emotionally expressive content, audiobooks, virtual assistants. The IndexTTS-2 engine is developed by Index Team under the Apache 2.0 license, making it safe for commercial use. Key capabilities include: emotion control, zero-shot, emotion vectors, expressive speech, fine-grained control. The IndexTTS-2 model also supports voice cloning — upload a short audio sample to create a custom voice that retains the same quality characteristics.
Model Information
| โมเดล | IndexTTS-2 |
| Developer | Index Team |
| Quality | |
| Speed | Medium |
| License | Apache 2.0 |
| Cloning | รองรับ |
| Tier | Standard (2 credits/1K chars) |
| Parameters | 300M |
| Architecture | Qwen2 + BigVGAN |
| Year | 2025 |
Best Use Cases for Default
Recommended applications based on this voice's characteristics
Audiobooks & Narration
Use Default to narrate long-form content with natural prosody and expression.
Video Voiceovers
Add professional narration to YouTube videos, ads, and social media content.
Custom Brand Voice
Clone this voice style with your own audio to create a unique branded TTS voice.
E-Learning & Training
Create engaging training materials, courses, and educational content with clear AI narration.