Text-to-Speech

Text-to-Speech Guide

Convert text content into natural, fluent speech with support for multiple languages, emotions, and tonal control. This guide will help you make the most of the text-to-speech feature.

Accessing the Feature

Visit the Text-to-Speech page to get started.

Basic Usage Workflow

Step 1: Select Voice Character

Choose your desired voice from three sources:

My Voices

Characters you've cloned yourself
Full control and usage rights
Suitable for personalized projects

Voice Square

Public characters shared by the community
Rich variety of voice options
Discover new voice styles

System Characters

Platform preset professional voices
Stable and reliable quality
Quick start usage

Step 2: Input Text Content

Enter or paste the content to convert in the text box:

Text Requirements:

Maximum length: 1,000 characters per request
Supports Chinese, English, and multilingual mixing
Use standard punctuation

Format Recommendations:

Use periods and commas to control pauses
Use question marks and exclamation points for tone
Use line breaks appropriately for paragraphs
Avoid overly long single sentences

Step 3: Adjust Parameters (Optional)

Adjust the following parameters as needed:

Speed Control

Range: 0.5x - 2.0x
Default: 1.0x (normal speed)
Slow speed suitable for educational content
Fast speed suitable for news broadcasts

Emotion Control (supported by some characters)

Neutral, happy, sad, etc.
Choose appropriate emotion based on content
Enhance expression

Step 4: Generate Speech

Click the "Generate Speech" button:

Processing Time:

Short text (within 100 characters): 3-5 seconds
Medium text (500 characters): 10-15 seconds
Long text (1000+ characters): 20-30 seconds

Generation Status:

Waiting: Task submitted
Processing: Synthesizing
Completed: Ready to listen and download
Failed: View error message

Step 5: Preview and Download

Online Preview:

Click play button to listen
Adjust playback volume
Check voice quality

Download Audio:

Click download button
Format: MP3
Sample rate: 24kHz
Bit rate: 128kbps

Advanced Tips

Text Optimization

Using Punctuation:

Correct example:
"Hello, welcome to Voice AI Labs. We provide professional voice synthesis services."

Avoid:
"Hello welcome to Voice AI Labs we provide professional voice synthesis services"

Controlling Pauses:

Comma: Brief pause
Period: Medium pause
Line break: Longer pause
Blank line: Clear paragraph break

Numbers and Symbols:

English letters will be spelled out: "AI" → "A I"
Special symbols may be ignored

Multilingual Mixing

Support for mixing multiple languages in the same text:

Example:
"Welcome to Voice AI Labs. This is a powerful text-to-speech service.
Let's start creating!"

Notes:

Choose characters that support multiple languages
Slight pauses may occur at language switches
Keep language transitions natural and smooth

Long Text Processing

Currently supports up to 1,000 characters, segmented processing feature coming soon

Quality Optimization

Achieving Best Results

Choose Appropriate Character:

Match content type with voice style
Use professional voices for professional content
Use friendly voices for casual content

Optimize Text Content:

✅ Use natural spoken expressions
✅ Avoid overly formal wording
✅ Add appropriate interjections
❌ Avoid rare characters and technical jargon
❌ Avoid overly long compound sentences

Adjust Parameters:

Narrative content: Slightly slower speed (0.9x)
News broadcast: Normal speed (1.0x)
Fast-paced content: Slightly faster speed (1.1-1.2x)

Common Scenarios

Video Narration

Example text:
"Hello everyone, welcome to today's tutorial.

Today we'll learn how to use Voice AI Labs for voice synthesis.

First, let's understand the basic workflow..."

Recommendations:

Use clear, friendly voice
Moderate speed (0.9-1.0x)
Appropriate segmentation for easy editing

Audiobook Production

Example text:
"Chapter One

It was a sunny morning. Xiao Ming walked to school, feeling particularly happy.

Suddenly, he saw an injured bird..."

Recommendations:

Choose expressive voice
Leave blank lines between chapters
Use different characters for dialogue

Advertisement Voiceover

Example text:
"Voice AI Labs, professional AI voice synthesis platform!

Convert text to natural, fluent speech in just seconds.

Try it now and start your creative journey!"

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