ebook2cw ☆
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Description:
Converts ebooks to morse code
Type: Formula  |  Latest Version: 0.8.5@0  |  Tracked Since: Dec 17, 2025
Links: Homepage  |  formulae.brew.sh
Category: Productivity
Tags: ham-radio morse-code audio conversion cli
Install: brew install ebook2cw
About:
ebook2cw is a command-line utility that converts text from ebook formats (like EPUB, TXT, and HTML) into Morse code audio files. It generates high-quality audio using software synthesizers, supporting various codecs including MP3 and Ogg Vorbis. This tool is essential for amateur radio operators practicing Morse code (CW) reception at different speeds.
Key Features:
  • Supports multiple input formats (EPUB, HTML, TXT)
  • Generates audio in MP3, Ogg Vorbis, and WAV formats
  • Adjustable words-per-minute (WPM) and frequency settings
  • Automatic text splitting for manageable practice sessions
Use Cases:
  • Ham radio operators practicing Morse code listening skills
  • Creating audio study material for CW proficiency exams
  • Converting public domain texts into audio learning resources
Alternatives:
  • G4FON – Windows-only Koch trainer, whereas ebook2cw focuses on batch audio generation.
  • Morse Machine – Interactive trainers, while ebook2cw is specialized for converting long-form text.
License: GPL-2.0-or-later
Dependencies: lame, libogg, libvorbis
Bottles available for: arm64_tahoe, arm64_sequoia, arm64_sonoma, arm64_ventura, arm64_monterey, arm64_big_sur, sonoma, ventura, monterey, big_sur, arm64_linux, x86_64_linux
Version History
Detected Version Rev Change Commit
Sep 14, 2025 7:22pm 0 VERSION_BUMP 7a42b470
Jan 29, 2024 10:14pm 0 VERSION_BUMP 7adb8cab
Aug 18, 2023 3:18pm 0 VERSION_BUMP daa7700f
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