---
language:
- grt
- ccp
- lus
- nag
- nnp
- trp
- clk
- mjw
- nre
- nri
- njo
- nbu
- njm
- njz
- tgj
license: cc-by-4.0
task_categories:
- text-to-speech
tags:
- tts
- coqui-vits
- multilingual
- north-east-india
size_categories:
- 10K<n<100K
---

# NE-TTS Coqui Multilingual

Multilingual TTS dataset for **15 North East Indian languages**, formatted for [Coqui-AI VITS](https://github.com/coqui-ai/TTS) multilingual training. Contains 61,943 clips / 83.5 hours at 22050Hz (SNR >= 20dB only).

## Languages

| ISO | Language | Clips | Hours |
|-----|----------|------:|------:|
| grt | Garo | 24,772 | 29.6 |
| ccp | Chakma | 10,689 | 14.3 |
| nag | Nagamese | 9,688 | 14.5 |
| lus | Mizo | 8,554 | 14.5 |
| nnp | Wancho | 5,081 | 6.3 |
| trp | Kokborok | 1,237 | 1.7 |
| clk | Idu Mishmi | 602 | 0.7 |
| mjw | Karbi | 373 | 0.4 |
| nre | Rengma | 258 | 0.4 |
| nri | Chakhesang | 219 | 0.3 |
| njo | Ao | 185 | 0.3 |
| nbu | Rongmei | 127 | 0.2 |
| njm | Angami | 79 | 0.1 |
| njz | Nyishi | 42 | 0.1 |
| tgj | Tagin | 37 | 0.05 |

## Stats

| Metric | Value |
|--------|-------|
| Total clips | 61,943 |
| Total hours | 83.5h |
| Languages | 15 |
| Speaker groups | 58 |
| Sample rate | 22050Hz |
| SNR filter | >= 20dB |
| Character set | 34 chars + 4 special tokens |

## Schema

| Column | Type | Description |
|--------|------|-------------|
| audio | Audio | 22050Hz WAV audio |
| text | string | Cleaned transcript (Latin script) |
| speaker_id | int | Speaker group integer ID |
| language_id | int | Language integer ID |
| language | string | ISO 639-3 code |

## Config Files

Included in the dataset repo:
- `language_ids.json` -- language to integer mapping
- `coqui_characters.json` -- merged character set with special tokens
- `coqui_speakers.json` -- speaker group to integer mapping