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Text To Speech Engine v4.0

Smart TTS Engine
Natural Text To Speech

Text To Speech technology based on deep learning supports 50+ languages and dialects, and has a millisecond response delay.
Provide professional-level Text To Speech capabilities for intelligent customer service, audio reading, navigation broadcasting and other scenarios.

Real-time Text To Speech Demonstration

Enter any text and experience natural and smooth Text To Speech effects. Supports multiple timbre and speed adjustments.

Multi-scene coverage

Covering 50+ languages and dialects around the world, adapting to multiple business scenarios such as customer service, reading, and navigation

multi-language support

50+ languages including Chinese, English, Japanese, and Korean support dialect and accent customization to meet global business needs.

Chinese English Japanese language +47

Intelligent customer service voice

Provide natural and smooth answering voice for call centers and online customer service, support emotional expression and multiple rounds of conversations.

Naturalism score 4.8/5.0

audiobook synthesis

Support automatic segmentation of long text, character tone switching, and background music mixing to create an immersive reading experience.

million-word long text synthesis

Navigation voice broadcast

A speech engine optimized for navigation scenarios supports intelligent sentence segmentation and accent processing for road names, POI, and distances.

延迟 < 200ms

core technology advantages

Based on cutting-edge deep learning algorithms, we are leading the way in terms of naturalness, delay, concurrency and customization capabilities.

01

Super naturalness

Using the latest end-to-end Text To Speech framework, combined with the VITS acoustic model and the HiFi-GAN vocoder, it achieved a score of more than 4.6 in the MOS evaluation, which is close to the level of real people's pronunciation.

4.6
MOS score
98%
the intelligibility
Top3
industry rankings
02

ultra-low latency

The streaming synthesis architecture achieves first packet latency as low as 150ms, supports real-time streaming, and meets the immediate response requirements of conversational AI and online customer service.

150ms
First packet delay
flow
transmission mode
real-time
synthesis ability
03

massive concurrency

The distributed architecture supports 10,000 concurrent requests, elastic scalability ensures stable operation during peak business periods, and SLA availability reaches 99.95%.

10K+
concurrency
99.95%
SLA
elastic
expansion capacity
04

deep customization

Support brand-specific tone customization. It only takes 30 minutes of audio to train a dedicated speaker with high fidelity, and supports multi-dimensional adjustment of emotion, tone, and style.

30min
training audio
95%
degree of realism
3 days
lead time

Quick Access API

Access is completed in three steps, providing complete multi-language SDK and detailed documentation

1

registered account

Register a developer account, create an application to obtain API Key and Secret Key

2

Select SDK

下载对应语言的SDK,支持Python/Java/Node.js/Go/C++等

3

call composition

Pass in text parameters to get high-quality voice and audio streams or files

Python SDK 示例
import tts_engine

# 初始化客户端
client = tts_engine.Client(
    app_id="your_app_id",
    api_key="your_api_key",
    api_secret="your_api_secret"
)

# 调用语音合成
result = client.synthesize(
    text="欢迎使用智能语音合成引擎",
    voice="xiaoya",      # 音色选择
    speed=1.0,             # 语速 0.5-2.0
    volume=50,            # 音量 0-100
    format="mp3",          # output format
    sample_rate=16000      # sampling rate
)

# 保存音频文件
with open("output.mp3", "wb") as f:
    f.write(result.audio_data)

Start the Journey of Intelligent Text To Speech

New users can enjoy 5000 free calls per month after registering without a credit card

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