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RTL-SDR Tutorial: Decoding Digital Voice (P25) with DSD
Update: See out new tutorial for trunked radio tracking, including digital voice trunked tracking. The RTL-SDR software defined radio combined with SDRSharp, and a program called “digital speech...
View ArticleNew DSD Block Available for GNU Radio
The popular digital speech decoder (DSD) software has now been wrapped into a GNU Radio Companion block. Previously, DSD required use of virtual audio cables to get decoding to work with GNU Radio, but...
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Improved Digital Voice P25 Decoding with DSD+
Over on Reddit we’ve seen mention of an upgraded Digital Speech Decoder (DSD) program, named DSD+. The original DSD is a program that can be used in conjuction with a SDR receiving program such as...
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Listening to D-STAR Digital Voice with DSD 1.7
D-STAR or (Digital Smart Technologies for Amateur Radio) is a Frequency Division Multiple Access (FDMA) Gaussian Minimum Shift Keying (GMSK) digital voice and data protocol used in amateur radio. Up...
View ArticleRTL-SDR DSD Call Log Recorder
Programmer Tyler Watt has been working on software that automatically logs each call from an RTL-SDR running DSD (Digital Speech Decoder) and then stores it in a time stamped database as an mp3 file....
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RTL-SDR Tutorial: Following Trunked Radio with Unitrunker
The popular trunking decoding software Unitrunker now supports the RTL2832U R820T RTL-SDR directly in its new version. This means that extra SDR receiver software like SDR# is no longer required to use...
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ScanEyes: Software for Visualizing, Listening to and Archiving Trunked Radio...
Back in March we showed a beta version of Tyler Watts ScanEyes trunked call log recorder software. Now Tyler has released a more complete version of his ScanEyes software. A live version of the...
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New SDR# Plugin: GUI Interface for DSD+
The developer over at rtl-sdr.ru has released a new plugin for SDR# (note in Russian – use Google translate) which allows the digital voice decoder DSD+ to be controlled via a GUI interface from SDR#....
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Decoding NXDN using DSD+ and an RTL-SDR
Over on YouTube user John Miller has uploaded a video showing an example of DSD+ decoding an NXDN96 voice signal. NXDN is a digital voice protocol by developed by Kenwood that is often used by public...
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DSD+ Version 1.5 Released
Version 1.5 of Digital Speech Decoder Plus (DSD+) has been released. DSD+ is a popular Windows software tool used for decoding digital speech such as P25 with the RTL-SDR. The latest version comes...
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New Version of Digital Speech Decoder DSD+ 1.071 Released
The latest version of Digital Speech Decoder+ (DSD+) has just been released, bringing it up to version 1.071. There appears to be no changelog, so we are unsure as to what is new, but one obvious...
View ArticleTrunking with the Latest DSD+ 1.08t Fast Lane Version
DSD+ stands for Digital Speech Decoder Plus and is a software program that can allow you to decode digital voice signals such as P25 and MotoTRBO/DMR. DSD+ is under continual development, and in their...
View ArticleDSD+ Updated to Version 1.101
DSD+ (Digital Speech Decoder+) is a popular decoding tool that can be used to listen to P25, DMR and other unencrypted digital speech signals. Recently DSD+ has been updated from version 1.074 to...
View ArticleDecoding DMR on OSX using a RTL SDR and DSD Plus
DSD+ (Digital Speech Decoder+) is a popular Windows tool that can be used together with an RTL-SDR to decode digital speech signals such as P25 and DMR. There is unfortunately no version for OSX....
View ArticleHow to use DSD+ with WineSkin on OSX
Last week we posted about how Matthew Miller deomnstrated that he was able to get the Windows digital speech decoder (DSD+) software running under OSX with WineSkin. DSD+ allows you to decode digital...
View ArticleComprehensive Video Guide to Trunking and Digital Voice with the RTL-SDR
Over on YouTube user AVT Marketing has uploaded a five part video series that very clearly and slowly shows how to use an RTL-SDR to set up trunking and digital voice monitoring. In the videos he uses...
View ArticleDecoding NXDN using DSD+ and an RTL-SDR
Over on YouTube user John Miller has uploaded a video showing an example of DSD+ decoding an NXDN96 voice signal. NXDN is a digital voice protocol by developed by Kenwood that is often used by public...
View ArticleClik here to view.
DSD+ Version 1.5 Released
Version 1.5 of Digital Speech Decoder Plus (DSD+) has been released. DSD+ is a popular Windows software tool used for decoding digital speech such as P25 with the RTL-SDR. The latest version comes with...
View ArticleClik here to view.
New Version of Digital Speech Decoder DSD+ 1.071 Released
The latest version of Digital Speech Decoder+ (DSD+) has just been released, bringing it up to version 1.071. There appears to be no changelog, so we are unsure as to what is new, but one obvious...
View ArticleTrunking with the Latest DSD+ 1.08t Fast Lane Version
DSD+ stands for Digital Speech Decoder Plus and is a software program that can allow you to decode digital voice signals such as P25 and MotoTRBO/DMR. DSD+ is under continual development, and in their...
View Article