言語学習 Language Audio Builder

A simple web application for creating audio files from English-Japanese sentence pairs for language learning practice using text-to-speech synthesis.

Features

• 📄 CSV Upload: Drag-and-drop or click to upload CSV files
• 🎧 Audio Generation: Converts sentence pairs to continuous audio using text-to-speech
• ⚙️ Customizable Settings:
  • Adjustable pause duration between sentences (0.5-5 seconds)
  • Multiple repetitions per sentence (1-5 times)
  • Voice selection for English and Japanese
  • Adjustable speech rate (0.5x-1.5x)
• 🔊 Playback: Listen to generated audio directly in your browser

How to Use

1. Open the Application

   • Open jp-en-lang-learning-audio-player.html in any modern web browser (Chrome, Firefox, Safari, Edge)
   • No installation or server required - runs entirely in your browser

2. Prepare Your CSV File

   • Create a CSV file with two columns: English and Japanese
   • Example:

     English,Japanese
     Hello,こんにちは
     How are you?,お元気ですか？
     Thank you,ありがとう

3. Upload Your File

   • Click the upload area or drag and drop your CSV file
   • Preview your sentences to verify they loaded correctly

4. Configure Audio Settings

   • Choose your preferred English and Japanese voices
   • Adjust pause duration, repetitions, and speech rate
   • Click "Generate Audio"

5. Listen to Your Audio

   • Audio will play automatically in your browser
   • Use the audio player controls to pause, play, or scrub through the audio

CSV Format

Your CSV file must include:

• A header row with columns named English and Japanese
• One sentence pair per row

Example:

English,Japanese
Good morning,おはようございます
Good night,おやすみなさい
See you later,また後で

Browser Compatibility

• ✅ Chrome/Edge
• ✅ Firefox
• ✅ Safari
• ⚠️ Requires a browser that supports Web Speech API

Technical Details

• Built with vanilla HTML, CSS, and JavaScript
• Uses Web Speech API for text-to-speech synthesis and playback
• No external dependencies or server required
• No recording or microphone access needed
• Audio plays directly through the browser

License

Feel free to use and modify for your language learning needs!