New Chirp tool uses audio tones to transfer data between devices

A new open-source tool named 'Chirp' transmits data, such as text messages, between computers (and smartphones) through different audio tones. The tool, developed by cybersecurity researcher solst/ICE, maps each character into a specific sound frequency and plays it along with real-time visualization. Other microphone-equipped computers running Chirp may capture the sound and translate the message back into text. The project allows users to "sneak" messages between devices in a fun way, and it's available both online and as a standalone app available for free through GitHub. Although it's not overly practical for most real-world applications due to background noise interference, it could still prove helpful in short-range, offline, and low-power use cases. NEW TOOL: Chirp Uses sound to transfer data between machines. Details and link below. pic.twitter.com/pAUnJqybLF — solst/ICE (@IceSolst) March 3, 2025 One practical limitation of Chirp is that it stops listening for messages ... Read full article.