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# Professional Subtitle Creator - User Manual

## English Version

1. [Introduction](#introduction)

2. [System Requirements](#system-requirements)

3. [Installation](#installation)

4. [Getting Started](#getting-started)

5. [Main Features](#main-features)

6. [Advanced Settings](#advanced-settings)

7. [Troubleshooting](#troubleshooting)

8. [FAQ](#faq)

 

### Introduction

Professional Subtitle Creator is a powerful tool designed to create accurate subtitles for your videos. It supports multiple languages and uses advanced speech recognition technology to generate high-quality subtitles automatically.

 

### System Requirements

- Windows 10 or later

- Minimum 4GB RAM (8GB recommended)

- 500MB free disk space

- Internet connection for speech recognition and translation features

 

### Installation

1. Download the latest version from the official website

2. Run the installer

3. Follow the installation wizard

4. Launch the application

 

### Getting Started

1. **Select Input File**

   - Click "Select File" button

   - Choose your video or audio file

   - Supported formats: MP4, MP3, WAV, AVI, MKV

 

2. **Choose Output Directory**

   - Click "Select Output" button

   - Select where you want to save your subtitles

   - Default location: Documents folder

 

3. **Basic Settings**

   - Chunk Duration: Set the length of audio segments (5-20 seconds)

   - Recognition Sensitivity: Adjust speech detection sensitivity (150-350)

   - Silence Threshold: Set the silence detection level (0.5-1.2)

 

4. **Generate Subtitles**

   - Click "Generate Subtitles" button

   - Wait for the process to complete

   - Preview the generated subtitles

 

### Main Features

 

#### 1. Speech Recognition

- Supports multiple languages

- Advanced noise reduction

- Automatic language detection

- High accuracy transcription

 

#### 2. Translation

- Translate subtitles to multiple languages

- Automatic language detection

- Support for major world languages

- Maintains timing and formatting

 

#### 3. Subtitle Formatting

- SRT format support

- Customizable timing

- Multiple subtitle styles

- Export options

 

#### 4. User Interface

- Modern, intuitive design

- Dark/Light theme support

- Progress tracking

- Real-time status updates

 

### Advanced Settings

 

#### 1. Audio Processing

- Normalize audio levels

- Remove background noise

- Adjust sample rate

- Channel configuration

 

#### 2. Subtitle Optimization

- Merge short segments

- Split long segments

- Adjust timing

- Format text

 

#### 3. Language Settings

- Source language selection

- Target language selection

- Auto-detect option

- Multiple language support

 

### Troubleshooting

 

#### Common Issues

1. **No Audio Detected**

   - Check file format

   - Verify audio track exists

   - Check system audio settings

 

2. **Poor Recognition**

   - Adjust sensitivity settings

   - Check audio quality

   - Verify internet connection

 

3. **Translation Errors**

   - Check internet connection

   - Verify language selection

   - Try alternative translation

 

### FAQ

1. **Q: What video formats are supported?**

   A: MP4, AVI, MKV, and most common video formats.

 

2. **Q: Can I edit subtitles after generation?**

   A: Yes, you can edit the generated SRT file with any text editor.

 

3. **Q: Is internet connection required?**

   A: Yes, for speech recognition and translation features.

 

4. **Q: How accurate is the speech recognition?**

   A: Accuracy depends on audio quality and language, typically 85-95%. 

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