---
title: "TTS (Premium)"
slug: "ai-naver-clovavoice-ttspremium"
tags: ["CLOVA Voice"]
updated: 2026-09-17T09:35:47Z
published: 2026-09-17T09:35:47Z
canonical: "api.ncloud-docs.com/ai-naver-clovavoice-ttspremium"
---

> ## Documentation Index
> Fetch the complete documentation index at: https://api.ncloud-docs.com/llms.txt
> Use this file to discover all available pages before exploring further.

# TTS (Premium)

Available in Classic and VPC

Synthesize speech by taking in text to convert and parameters like tone, speed, and emotion.

## Request

This section describes the request format. The method and URI are as follows:

| Method | URI |
| --- | --- |
| POST | /tts |

### Request headers

For information about the headers common to all CLOVA Voice APIs, see [CLOVA Voice request headers](/docs/en/ai-naver-clovavoice#%EC%9A%94%EC%B2%AD%ED%97%A4%EB%8D%94).

### Request body

You can include the following data in the body of your request:

| Field | Type | Required | Description |
| --- | --- | --- | --- |
| `speaker` | String | Required | Voice type to use for speech synthesis - For information about each voice, see [List of speech synthesis voices](/docs/en/ai-naver-clovavoice-ttspremium#%EC%9D%8C%EC%84%B1%ED%95%A9%EC%84%B1%EB%AA%A9%EC%86%8C%EB%A6%AC%EB%AA%A9%EB%A1%9D). |
| `text` | String | Required | Text to be converted to speech - Support only UTF-8 encoded text - Text in symbols or parentheses is not converted. - Maximum character limit by language - Korean, Japanese, Chinese, Taiwanese: 2,000 characters - English, Spanish: 3,000 characters |
| `volume` | Integer | Optional | Speech volume - `-5`-`5` (default: `0`) - `-5`: Synthesize 0.5x smaller. - `0`: Synthesize to normal volume. - `5`: Synthesize 1.5x larger. |
| `speed` | Integer | Optional | Speech speed - `-5`~`10` (default: `0`) - `-5`: 2.0x speed (duration: 0.5x, fast) - `0`: original speed - `10`: 0.5x speed (duration: 2.0x, slow) |
| `pitch` | Integer | Optional | Speech pitch - `-5`-`5` (default: `0`) - `-5`: Synthesize 1.2x higher. - `0`: Synthesize to normal pitch. - `5`: Synthesize 0.8x lower. |
| `emotion` | Integer | Optional | Emotion level of speech - Supported voices: `nara` \| `vara` \| `vmikyung` \| `vdain` \| `vyuna` \| `vgoeun` \| `vdaeseong` - For information about each voice, see [List of speech synthesis voices](/docs/en/ai-naver-clovavoice-ttspremium#%EC%9D%8C%EC%84%B1%ED%95%A9%EC%84%B1%EB%AA%A9%EC%86%8C%EB%A6%AC%EB%AA%A9%EB%A1%9D). - `0`-`3` (default: `0`) - `0`: neutral - `1`: sad - `2`: happy - `3`: angry (`nara` not supported) |
| `emotion-strength` | Integer | Optional | Emotion intensity of speech - Supported voices: `vara` \| `vmikyung` \| `vdain` \| `vyuna` \| `vgoeun` \| `vdaeseong` - For information about each voice, see [List of speech synthesis voices](/docs/en/ai-naver-clovavoice-ttspremium#%EC%9D%8C%EC%84%B1%ED%95%A9%EC%84%B1%EB%AA%A9%EC%86%8C%EB%A6%AC%EB%AA%A9%EB%A1%9D). - `0`-`2` (default: `1`) - `0`: weak - `1`: normal - `2`: strong |
| `format` | String | Optional | Speech file format - `mp3` (default) \| `wav` |
| `sampling-rate` | Integer | Optional | Sampling rate of speech - Only supported for `wav` format - `8000` \| `16000` \| `24000` (default)\| `48000` - Exceptionally, `mijin` only supports the `16000` rate. |
| `alpha` | Integer | Optional | Tone - `-5`-`5` (default: `0`) - If higher than `0`: high tone - If lower than `0`: low tone |
| `end-pitch` | Integer | Optional | End-pitch processing of speech - Supported voices: `clara` \| `matt` \| `meimei` \| `liangliang` \| `chiahua` \| `kuanlin` \| `carmen` \| `jose` \| all voices starting with `d-` (Example: `dara`) - For information about each voice, see [List of speech synthesis voices](/docs/en/ai-naver-clovavoice-ttspremium#%EC%9D%8C%EC%84%B1%ED%95%A9%EC%84%B1%EB%AA%A9%EC%86%8C%EB%A6%AC%EB%AA%A9%EB%A1%9D). - `-5`-`5` (default: `0`) - If higher than `0`: high end-pitch - If lower than `0`: low end-pitch |

#### List of speech synthesis voices

The following describes in detail the types of voices that will be used for speech synthesis.

| Field | Name | Language | Description |
| --- | --- | --- | --- |
| `dara_ang` | Ara (angry) | Korean | Female |
| `jinho` | Jinho | Korean | Male |
| `mijin` | Mijin | Korean | Female |
| `napple` | Neulbom | Korean | Female |
| `nara_call` | Ara (agent) | Korean | Female |
| `nara` | Ara | Korean | Female |
| `nbora` | Bora | Korean | Female |
| `ndaeseong` | Daeseong | Korean | Male |
| `ndain` | Dain | Korean | Child (female) |
| `ndonghyun` | Donghyun | Korean | Male |
| `nes_c_hyeri` | Hyeri | Korean | Female |
| `nes_c_kihyo` | Kihyo | Korean | Male |
| `nes_c_mikyung` | Mikyung | Korean | Female |
| `nes_c_sohyun` | Sohyun | Korean | Female |
| `neunseo` | Eunseo | Korean | Female |
| `neunwoo` | Eunwoo | Korean | Male |
| `neunyoung` | Eunyoung | Korean | Female |
| `ngaram` | Garam | Korean | Child (female) |
| `ngoeun` | Goeun | Korean | Female |
| `ngyeongjun` | Gyeongjun | Korean | Male |
| `nhajun` | Hajun | Korean | Child (male) |
| `nheera` | Heera | Korean | Female |
| `nian` | Ian | Korean | Male |
| `nihyun` | Ihyun | Korean | Female |
| `njaewook` | Jaewook | Korean | Male |
| `njangj` | Dream | Korean | Female |
| `njihun` | Jihun | Korean | Male |
| `njihwan` | Jihwan | Korean | Male |
| `njinho` | Jinho | Korean | Male |
| `njiwon` | Jiwon | Korean | Female |
| `njiyun` | Jiyun | Korean | Female |
| `njonghyeok` | Jonghyeok | Korean | Male |
| `njonghyun` | Jonghyun | Korean | Male |
| `njooahn` | Jooahn | Korean | Male |
| `njoonyoung` | Joonyoung | Korean | Male |
| `nkitae` | Kitae | Korean | Male |
| `nkyunglee` | Kyunglee | Korean | Female |
| `nkyungtae` | Kyungtae | Korean | Male |
| `nkyuwon` | Kyuwon | Korean | Male |
| `nmammon` | Demon Mammon | Korean | Male |
| `nmeow` | Meow | Korean | Child (female) |
| `nmijin` | Mijin | Korean | Female |
| `nminjeong` | Minjeong | Korean | Female |
| `nminsang` | Minsang | Korean | Male |
| `nminseo` | Minseo | Korean | Female |
| `nminyoung` | Minyoung | Korean | Female |
| `nmovie` | Movie Choi | Korean | Male |
| `noyj` | Bomdal | Korean | Female |
| `nraewon` | Raewon | Korean | Male |
| `nreview` | Review Park | Korean | Male |
| `nsabina` | Witch Sabina | Korean | Female |
| `nsangdo` | Sangdo | Korean | Male |
| `nseonghoon` | Seonghoon | Korean | Male |
| `nseungpyo` | Seungpyo | Korean | Male |
| `nshasha` | Shasha | Korean | Female |
| `nsinu` | Sinu | Korean | Male |
| `nsiyoon` | Siyoon | Korean | Male |
| `nsujin` | Sujin | Korean | Female |
| `nsunhee` | Sunhee | Korean | Female |
| `nsunkyung` | Sunkyung | Korean | Female |
| `ntaejin` | Taejin | Korean | Male |
| `ntiffany` | Kiseo | Korean | Female |
| `nwontak` | Wontak | Korean | Male |
| `nwoof` | Woof | Korean | Child (male) |
| `nwoosik` | Woosik | Korean | Male |
| `nyeji` | Yeji | Korean | Female |
| `nyejin` | Yejin | Korean | Female |
| `nyounghwa` | Movie Jeong | Korean | Female |
| `nyoungil` | Youngil | Korean | Male |
| `nyoungmi` | Youngmi | Korean | Female |
| `nyujin` | Yujin | Korean | Female |
| `nyuna` | Yuna | Korean | Female |
| `vara` | Ara (Pro) | Korean | Female |
| `vdaeseong` | Daeseong (Pro) | Korean | Male |
| `vdain` | Dain (Pro) | Korean | Female |
| `vdonghyun` | Donghyun (Pro) | Korean | Male |
| `vgoeun` | Goeun (Pro) | Korean | Female |
| `vhyeri` | Hyeri (Pro) | Korean | Female |
| `vian` | Ian (Pro) | Korean | Male |
| `vmikyung` | Mikyung (Pro) | Korean | Female |
| `vyuna` | Yuna (Pro) | Korean | Female |
| `dara-danna` | Ara & Anna | Korean + English (U.S.) | Female |
| `dsinu-matt` | Sinu & Matt | Korean + English (U.S.) | Male |
| `liangliang` | Liangliang | Chinese | Male |
| `meimei` | Meimei | Chinese | Female |
| `dayumu` | Ayumu | Japanese | Male |
| `ddaiki` | Daiki | Japanese | Male |
| `deriko` | Eriko | Japanese | Female |
| `dhajime` | Hajime | Japanese | Male |
| `dmio` | Mio | Japanese | Female |
| `dnaomi` | Naomi | Japanese | Female |
| `dnaomi_formal` | Naomi (news) | Japanese | Female |
| `dnaomi_joyful` | Naomi (happy) | Japanese | Female |
| `driko` | Riko | Japanese | Female |
| `dsayuri` | Sayuri | Japanese | Female |
| `dtomoko` | Tomoko | Japanese | Female |
| `nnaomi` | Naomi | Japanese | Female |
| `nsayuri` | Sayuri | Japanese | Female |
| `ntomoko` | Tomoko | Japanese | Female |
| `shinji` | Shinji | Japanese | Male |
| `clara` | Clara | English | Female |
| `danna` | Anna | English | Female |
| `djoey` | Joey | English | Female |
| `matt` | Matt | English | Male |
| `carmen` | Carmen | Spanish | Female |
| `jose` | Jose | Spanish | Male |
| `chiahua` | Chiahua | Taiwanese | Female |
| `kuanlin` | Kuanlin | Taiwanese | Male |

### Request example

The request example is as follows:

```
curl --location --request POST 'https://naveropenapi.apigw.ntruss.com/tts-premium/v1/tts' \
--header 'X-NCP-APIGW-API-KEY-ID: {Client ID issued when registering the app}' \
--header 'X-NCP-APIGW-API-KEY: {Client secret issued when registering the app}' \
--header 'Content-Type: application/x-www-form-urlencoded' \
--data-urlencode 'speaker=nara' \
--data-urlencode 'text=Hello' \
--data-urlencode 'volume=0' \
--data-urlencode 'speed=-1' \
--data-urlencode 'pitch=1' \
--data-urlencode 'emotion=2' \
--data-urlencode 'emotion-strength=1' \
--data-urlencode 'format=wav' \
--data-urlencode 'sampling-rate=8000' \
--data-urlencode 'alpha=0' \
--data-urlencode 'end-pitch=0'
```

## Response

This section describes the response format.

### Response body

The response body includes the following data:

| Field | Type | Required | Description |
| --- | --- | --- | --- |
| Responded TTS audio | Binary | - | Binary voice data in MP3 or WAV format |

### Response status codes

For information about the HTTP status codes common to all CLOVA Voice APIs, see [CLOVA Voice response status codes](/docs/en/ai-naver-clovavoice#%EC%9D%91%EB%8B%B5%EC%83%81%ED%83%9C%EC%BD%94%EB%93%9C).

### Response example

The response example is as follows:

```
{Binary voice data in MP3 or WAV format}
```