◈DITTYAMATEUR RADIO SOFTWARE
DITTY / SOFTWARE SUITE

Software suite

Three signal decoders and four supporting modules make up the seven-component Ditty suite.

Signal decoders

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MORSE / HSMM

Ditty CW Skimmer

Automatic Morse signal detection and callsign recognition with a custom HybridCW/HSMM processing chain.

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FSK / ITA2

Ditty RTTY Skimmer

FSK demodulation, ITA2 text decoding and callsign extraction from RTTY transmissions.

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PSK31 / PSK63

Ditty PSK Skimmer

PSK31 and PSK63 demodulation with Varicode text decoding and automatic callsign extraction.

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Infrastructure and shared code

SDR INPUT

Ditty_HermesIntf

Native HL2 interface and Protocol 1 IQ input

IQ TRANSPORT

Ditty_Shared_Memory

Publishes per-receiver I/Q rings as Windows named shared memory

DECODER BRIDGE

DittyIntf

Consumer interface for shared-memory SDR streams

SHARED LIBRARY

Ditty_Common

Shared DSP, spotting, networking and callsign headers