A brand new open-source software named ‘Chirp’ transmits information, reminiscent of textual content messages, between computer systems (and smartphones) by means of totally different audio tones.
The software, developed by cybersecurity researcher solst/ICE, maps every character into a particular sound frequency and performs it together with real-time visualization.
Different microphone-equipped computer systems operating Chirp could seize the sound and translate the message again into textual content.
The venture permits customers to “sneak” messages between gadgets in a enjoyable approach, and it is out there each on-line and as a standalone app out there free of charge by means of GitHub.
Though it isn’t overly sensible for many real-world purposes attributable to background noise interference, it may nonetheless show useful in short-range, offline, and low-power use circumstances.
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 acquired throughout that point is basically misplaced.
When contemplating {that a} message consisting of 100 phrases takes roughly 70 seconds to transmit, this could be a drawback in some circumstances.
The developer additionally instructed us that Chirp presently has no error correction or redundancy, so the error charge may 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 through a speaker-microphone configuration is not new, with quite a few related implementations courting way back to a decade in the past.
The concept 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 software got here after watching a demo of two LLMs speaking to one another utilizing ggwave-generated audio alerts.
At the moment I used to be despatched the next cool demo:
Two AI brokers on a telephone name understand they’re each AI and swap 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 brief information messages by means of 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 desirous to play with the web Chirp utility and are fearful about privateness, the developer instructed BleepingComputer that the appliance is hosted on GitHub pages, and all features occur on the shopper facet and are by no means despatched to a server.
Our exams confirmed this, as the web service works as anticipated when offline.