On Sunday 12 October 2014, I was informe of a software project called Digital Speech Decoder (DSD). The project claims that “Digital Speech Decoder is an open source software package that decodes several digital speech formats” — http://wiki.radioreference.com/index.php/Digital_Speech_Decoder_%28software_package%29 At the time of writing (version 1.7) supported the following P25 Phase 1 ProVoice EDACS Digital voice X2-TDMA … Continue reading Digital Speech Decoder