Complete guide to using the CW Books Library
The CW Books Library is a revolutionary feature that transforms classic literature into interactive Morse code audio practice. With over 100 public domain books available, advanced progress tracking, downloadable CW audio files, and comprehensive statistics, you can enjoy an immersive long-form Morse code experience while reading great literature.
Access to over 100 classic books from Project Gutenberg, automatically cataloged and ready for CW conversion.
System remembers where you left off in each book, tracks listening time, and shows completion percentages.
Adjust speed (5-40 WPM), character spacing (Farnsworth), and pitch (400-1000 Hz) to match your skill level.
Generate and download individual chapter CW audio files with your preferred settings for offline practice.
Track your listening habits with detailed statistics showing books completed, time practiced, and speed progression.
Pick up exactly where you left off with one-click resume functionality and visual progress indicators.
Navigate to Training â CW Books from the main menu. You must be logged in to access the library.
The system automatically scans and catalogs all available EPUB books. Use search and filters to find books of interest.
Click on any book to view its details, chapter list, and start listening to Morse code audio.
Start with shorter books or individual chapters to get familiar with the CW conversion quality and your preferred settings.
Each book displays:
Books are divided into chapters for manageable listening sessions. Each chapter shows:
Start or pause CW audio playback. Audio is generated in real-time based on your settings.
Stop playback and reset to the beginning of the current chapter.
Navigate between chapters automatically without returning to the chapter list.
Adjust audio volume using your browser's audio controls or system volume.
CW audio is generated in real-time. Longer chapters may take a few seconds to process before playback begins.
The system automatically tracks your listening progress for each book and chapter, making it easy to pick up where you left off and monitor your learning journey.
System remembers your last position in each book. Use the "Resume" button to continue exactly where you stopped.
Track total listening time per book and session. View detailed breakdowns in your statistics dashboard.
Visual progress bars show how much of each book you've completed, updated in real-time as you listen.
Progress is tracked per speed setting, so you can see improvement as you increase WPM over time.
The resume functionality is designed to provide the most natural learning experience by remembering your exact position down to the sentence level. Here's exactly how it works:
If you're listening to sentence 5 of a chapter and pause halfway through, when you click Resume, it will restart sentence 5. But if you completed sentence 5 and pause, Resume will start sentence 6. This ensures you never miss content while avoiding unnecessary repetition.
Range: 5-40 WPM
Controls the overall sending speed of characters and words. Start with 12-15 WPM for beginners.
Farnsworth Method
Keeps characters at high speed but adds extra spacing between words for easier learning.
Range: 400-1000 Hz
Adjust the tone frequency. 600 Hz is standard, but use what sounds best to you.
Perfect for new CW learners. Slow enough to follow individual characters.
Standard conversational speed for amateur radio operators.
Higher speed for experienced operators and contest preparation.
Maximum speed for high-speed CW proficiency and competition.
Our CW Books feature uses a revolutionary unified approach where audio generation and visual highlighting are handled by a single integrated system (jscwlib-books). This eliminates timing drift entirely since both audio and visual highlighting use the exact same timing source and character callbacks.
Your settings are saved automatically and will be remembered for future sessions. Experiment with different combinations to find what works best for you.
Download the original book file for reading on e-readers or reference while practicing CW.
Generate and download individual chapter CW audio files with your current settings. Much faster than full book downloads!
Available downloads are shown under each chapter, organized by speed and pitch settings for easy access.
Click the download button next to any chapter. Generation begins with your current audio settings.
Monitor generation progress. Most chapters generate within 1-2 minutes depending on length.
Once ready, download links appear below the chapter with speed/pitch settings clearly labeled.
Files are saved in `/books/chapters/{book_name}/` with descriptive filenames for easy management.
Long chapters may take several minutes to generate. You'll be notified when generation is complete, or you can check back later.
Now uses actual book text instead of sample content - full chapters from classics like Alice in Wonderland!
High-quality Morse code generation with proper dot/dash timing, envelope shaping to prevent clicks, and accurate PARIS standard timing.
Generates substantial audio files (50+ MB, 5+ minutes) with full chapter content for extended practice sessions.
Better button behavior with proper status updates, progress indicators, and clear success/error messages.
Fixed generation issues - files now save successfully with proper error handling and timeout management.
Full Morse code alphabet including letters, numbers, punctuation marks, and proper spacing for realistic practice.
The CW Books library includes a comprehensive statistics dashboard that tracks your learning progress and listening habits, helping you identify patterns and improvements in your Morse code skills.
Total number of unique books you've started listening to, regardless of completion status.
Count of individual chapter listening sessions you've completed across all books.
Cumulative time spent listening to CW books, formatted in hours and minutes.
Your average listening speed across all sessions, showing skill progression over time.
View your last 5 listening sessions with details about:
The system tracks which speeds you practice most frequently, helping you understand your comfort zones and areas for improvement:
Session counts per WPM setting show where you spend most practice time.
Total listening time per speed helps identify your preferred practice levels.
Monitor your gradual speed increases as you advance through different WPM levels.
The CW Books Library is designed to make Morse code practice enjoyable and educational. Don't rush - focus on accuracy and comprehension rather than just speed. Regular practice with good literature will naturally improve both your CW skills and general knowledge.