Udemy Translator 作者： Saeed Developer

Udemy Translator
Udemy Translator is a browser extension that translates subtitles on Udemy video lectures in real time and reads them aloud using native Operating System Text-to-Speech (TTS) voices.
Key Features
Real-Time Subtitle Translation: Automatically translates captions into your preferred target language as you watch Udemy courses.
Native OS Text-to-Speech (TTS): Reads translated subtitles out loud using high-quality system TTS voices installed on your device.
Multiple Translation Providers: Supports MyMemory Translation API as default and Google Translate with automatic failover between services.
Adaptive Speed Synchronization: Dynamically adjusts speech speed (up to 3.0x) to ensure audio finishes reading before the next subtitle cue appears.
Instant Audio Control: Audio immediately stops when you pause or seek through a video.
Customizable Subtitle Overlay: Moveable caption box over the video player with adjustable font size and background transparency.
Full Volume Control: Comes with full volume output (100% by default) and configurable speech rate.
Multilingual Support: Supports over 30 languages including Arabic, English, Spanish, French, German, Japanese, Korean, Chinese, and more.
System Requirements
To enable text-to-speech reading in your target language, ensure that the corresponding TTS voice package is installed on your operating system:

Windows:
Open Settings > Time & Language > Speech.
Click Add voices and select your desired target language (e.g., Arabic, Spanish, French).
macOS:
Open System Settings > Accessibility > Spoken Content.
Click System Voice and download the voice pack for your target language.
Linux / Android:
Install standard speech synthesis engine packages (such as speech-dispatcher or Google Speech Services).
User Guide & How to Use
1. Installation
Install the extension in your browser (Google Chrome, Microsoft Edge, or Mozilla Firefox).
Click on the extension icon in your browser toolbar to open the settings panel.
2. Basic Configuration
Translation: Turn ON to enable real-time subtitle translation.
Translate To: Select your desired target language.
Translation Provider: Choose between MyMemory (Free) or Google Translate.
Speak: Turn ON to enable voice reading of subtitles.
Voice Selection: Choose your preferred installed system voice engine.
Volume & Speed: Adjust volume level and base speech rate.
Font Size & Opacity: Customize subtitle text appearance on the screen.
3. Usage on Udemy
Open any course video on Udemy.
Turn ON captions/subtitles in the Udemy video player.
The extension will automatically translate the captions and read them aloud in sync with the video.
Pausing the video automatically stops the audio immediately.