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This guide outlines the recommended practices to ensure accurate processing, improved quality, and consistent TTS output across all use cases.

Language & Script Guidelines

Multi-Language Code-Mixing

Vox-v1 natively supports seamless code-mixing between English and 12 Indic languages—all in their native scripts. Rules:
  • English → Latin script
  • Indic languages → Native script only

Supported Languages & Examples


Complex Multi-Script Example

A single sentence mixing multiple languages:
(Tamil + English + Punjabi + Hindi + Malayalam — all native scripts)

Why Native Scripts Matter

  • ✅ Accurate pronunciation & intonation
  • ✅ Proper syllable stress
  • ✅ Natural-sounding speech

Handling Numbers

Order IDs & Large Numbers

  • Send as separate requests

Phone Numbers

Default reading: 3-4-3 pattern

Custom Reading


Date & Time Formatting

Accepted Date Formats

Incorrect

Time Formats

Incorrect

Mathematical Expressions

Always write in full words:

Approximate Values


Units & Measurements


Symbols & Special Characters

Spell out all special characters:

Digital Content Formatting

URLs

Email

Social Media


Range & Interval Notation


Notes

  • Consistency is critical
  • Write in full words whenever possible
  • Break complex URLs or numbers into smaller chunks
  • Avoid symbols that may have multiple interpretations