Show HN: Cyrinx (36kbps Acoustic Transport)
36.6 kbps of byte-verified data from a laptop speaker to a phone microphone, over the air. An acoustic modem for consumer hardware, with its measurements — and its dead ends — published.
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Original Text
Working with Fable 5, a MacBook, and a Pixel phone, I built an acoustic transport library that is several orders of magnitude faster than existing SoTA open source options like ggwave, quiet, minimodem, or Chirp.
Paper: https://cyrinx.org/cyrinx-acoustic-link.pdf
Apache 2.0 source: https://github.com/dweekly/cyrinx
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