ThetisLink — technical documentation

Educational explanations of how ThetisLink turns a radio signal into sound and carries it, the spectrum, the S-meter and the controls between the server and your client. In plain language, with pictures.

English  ·  Nederlands

English

How a VRX works — from radio wave to sound
The signal processing: FFT channelizer, windowing, filtering, demodulation, AGC, spectrum, S-meter and filter properties.
From server to client
The network/transport: Opus audio over UDP, jitter buffer, spectrum, S-meter, settings, the transmit key (PTT) and the latency budget.

Nederlands

Hoe een VRX werkt — van radiogolf tot geluid
De signaalbewerking: FFT-channelizer, windowing, filteren, demodulatie, AGC, spectrum, S-meter en filtereigenschappen.
Van server naar client
Het netwerk/transport: Opus-audio over UDP, jitter-buffer, spectrum, S-meter, instellingen, de zendknop (PTT) en het latency-budget.