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audio-modem

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va3jfl / SoundCard-IP-Modem

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Highspeed Soundcard IP Modem that turns two PCs' soundcards into a point-to-point network link. It modulates IP packets onto audio with OFDM (DMT), bonds the left and right stereo channels into two parallel lanes, protects everything with Reed-Solomon FEC and an ARQ with fast retransmit.

python numpy ham-radio tcp-ip software-defined-radio hamradio ofdm qam dmt packet-radio qam-modulation qam-demodulation ofdm-modem audio-modem soundcard-modem ip-over-audio
  • Updated Jun 12, 2026
  • Python

therealXPGenie / ACNET-Audio-Communication-Network

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Audio communication network html modem. Turn your sound card into a network adapter. Analog packet radio acoustic internet build for off-grid telecomunication. 4FSK+2FSK+SSTV PD290+gibberlink and revolutionary helscreiber video stream all in one html ready to deploy. (Encryption is optional)

ham-radio amateur-radio web-audio-api sstv data-over-sound mesh-networking 4fsk ggwave 2fsk audio-modem emergency-communications gibberlink off-grid-communication acoustic-networking browser-modem sound-card-modem pd290 email-over-radio audio-data-transfer video-audio-streaming
  • Updated Aug 3, 2026
  • HTML

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