A brand new open-source instrument named ‘Chirp’ transmits information, equivalent to textual content messages, between computer systems (and smartphones) via totally different audio tones.
The instrument, developed by cybersecurity researcher solst/ICE, maps every character into a selected sound frequency and performs it together with real-time visualization.
Different microphone-equipped computer systems operating Chirp might seize the sound and translate the message again into textual content.
The mission permits customers to “sneak” messages between units in a enjoyable manner, and it is accessible each on-line and as a standalone app accessible totally free via GitHub.
Though it is not overly sensible for many real-world purposes on account of background noise interference, it might nonetheless show useful in short-range, offline, and low-power use instances.
NEW TOOL: Chirp
Makes use of sound to switch information between machines.
Particulars and hyperlink beneath. pic.twitter.com/pAUnJqybLF
— solst/ICE (@IceSolst) March 3, 2025
One sensible limitation of Chirp is that it stops listening for messages when transmitting, so something obtained throughout that point is basically misplaced.
When contemplating {that a} message consisting of 100 phrases takes roughly 70 seconds to transmit, this generally is a drawback in some instances.
The developer additionally instructed us that Chirp at present has no error correction or redundancy, so the error price might get impractically excessive if the background noise is just too loud or the speaker sound is not excessive sufficient.
Supply: BleepingComputer
Previous idea, enjoyable new strategy
The idea of transmitting information by way of a speaker-microphone configuration is not new, with quite a few related implementations courting way back to a decade in the past.
The thought itself has additionally been demonstrated as an assault dubbed ‘MOSQUITO,’ developed by Israeli researchers in 2018.
Chirp.io, owned by Sonos since 2020, did one thing related, facilitating seamless device-to-device communication with out conventional wi-fi connections.
solst/ICE instructed BleepingComputer that the thought to develop an open-source Chirp instrument got here after watching a demo of two LLMs speaking to one another utilizing ggwave-generated audio alerts.
At present I used to be despatched the next cool demo:
Two AI brokers on a cellphone name notice they’re each AI and change to a superior audio sign ggwave pic.twitter.com/TeewgxLEsP
— Georgi Gerganov (@ggerganov) February 24, 2025
Developed by Georgi Gerganov, ggwave is a compact data-over-sound library that facilitates the transmission and reception of quick information messages via sound waves.
solst/ICE knowledgeable us that the following step is to experiment with hypersonic sounds to permit message exchanges utilizing inaudible frequencies. This can make Chirp much more stealthy and extra enjoyable to play with.
For these eager to play with the net Chirp utility and are nervous about privateness, the developer instructed BleepingComputer that the appliance is hosted on GitHub pages, and all features occur on the consumer aspect and are by no means despatched to a server.
Our exams confirmed this, as the net service works as anticipated when offline.
