Techniques for optimizing TTS text input and voice instructions. If the user provides specific text or instructions, use them as-is — suggest enhancements only.
TTS quality is highly sensitive to punctuation and structure:
| Technique | Effect | Example |
|-----------|--------|---------|
| Commas | Short pause | Hello, welcome to our event. |
| Periods | Full stop | Thank you. Let's begin. |
| Ellipsis | Dramatic pause | And the winner is... Team Alpha! |
| Exclamation | Energy / emphasis | This is incredible! |
| Question mark | Rising intonation | Are you ready? |
| Short sentences | Clearer delivery | Break 100+ word paragraphs into 1–2 sentence chunks |
For mixed-language text, set language_type: "Auto".
| Scenario | Instructions |
|----------|-------------|
| News anchor | Professional, authoritative tone. Clear enunciation, moderate pacing. |
| Audiobook | Warm, engaging narration. Varied pacing — slow for drama, faster for action. |
| Children's story | Cheerful, animated voice. Exaggerated intonation. Slow and playful. |
| Product ad | Confident enthusiasm. Dynamic pacing — measured start, building momentum. Emphasize product name. |
| Meditation | Very slow, soft, calm. Long pauses between sentences. Almost whispered. |
| Tutorial | Clear, patient, instructional. Moderate pace with brief pauses between steps. |
General pattern:
Speak in a [emotion] tone with [speed] pacing. Use a [quality] voice,
as if [character/scenario]. [Additional: emphasis, pauses, accent].
| Scenario | Voice | Reason | |----------|-------|--------| | Business narration | Ethan, Aiden | Steady, professional male voice | | Warm storytelling | Cherry, Serena | Soft, warm female voice | | Energetic marketing | Chelsie | Upbeat, lively female voice | | General purpose | Aria | Natural, versatile female voice |