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JvanKatwijk
202
README.md
202
README.md
@@ -1,19 +1,47 @@
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==================================================================
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Qt-DAB
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==================================================================
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Qt-DAB is a Software for Windows, Linux and Raspberry Pi for Digital Audio Broadcasting (DAB and DAB+).
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------------------------------------------------------------------
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Table of Contents
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------------------------------------------------------------------
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* [Introduction](#introduction)
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* [Configuring using the qt-dab.pro file](#configuring-using-the-qt-dabpro-file)
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* [Configuring using CMake](#configuring-using-cmake)
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* [Scanning](#scanning)
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* [Raspberry PI](#raspberry-pi)
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* [Qt](#qt)
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* [Ubuntu Linux](#ubuntu-linux)
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* [Windows](#windows)
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* [Features](#features)
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* Installation
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* [Windows](#windows)
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* [Ubuntu Linux](#ubuntu-linux)
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- [Configuring using the qt-dab.pro file](#configuring-using-the-qt-dabpro-file)
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- [Configuring using CMake](#configuring-using-cmake)
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- [Qt](#qt)
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* [Raspberry PI](#raspberry-pi)
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------------------------------------------------------------------
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Features
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------------------------------------------------------------------
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* DAB (mp2) and DAB+ (HE-AAC v1, v2 and LC-AAC) decoding
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* Slideshow
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* Dynamic Label (DLS)
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* Both European bands supported:
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* VHF Band III
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* L-Band
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* Spectrum view (incl. constellation diagram)
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* Scanning function (scan the subsequent channels in the selected band until a channel is encountered where a DAB signal is detected)
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* Detailled information for selected service (SNR, bitrate, frequency, ensemble name, ensemble ID, subchannel ID, protection level, CPU usage, language, 4 quality bars)
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* Dumping of the complete DAB channel (produces large raw files!) and playing them again later
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* Saving audio as wave file
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* Supports various inputs from Airspy, SDR DAB sticks, SDRplay and prerecorded dump (*.raw and *.sdr)
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Not implemented:
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* DMB (Audio and Video)
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* Other bands than used for terrestrical broadcasting
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* HackRF
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------------------------------------------------------------------
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Introduction
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@@ -50,11 +78,82 @@ Again, as the Qt-DAB version has to run on a headless RPI 2,
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an option is included to configure the sound output to deliver its
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samples through a TCP connection.
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The constellation diagram now shows - if configured - the phase difference
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of the carriers in the ofdm symbol with the corresponding carriers of the
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previous symbols. The constellation of high quality signals shows 4 dots,
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one in each corner of the black square.
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=============================================================================
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=======
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------------------------------------------------------------------
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Windows
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------------------------------------------------------------------
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There is an executable to be found under https://github.com/JvanKatwijk/qt-dab/releases
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If you want to compile it yourself, please install Qt through their online installer, see https://www.qt.io/
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------------------------------------------------------------------
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Ubuntu Linux
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------------------------------------------------------------------
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For generating an executable under Ubuntu, you can put the following
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commands into a script.
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1. Fetch the required components
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sudo apt-get update
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sudo apt-get install qt4-qmake build-essential g++
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sudo apt-get install libsndfile1-dev qt4-default libfftw3-dev portaudio19-dev
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sudo apt-get install libfaad-dev zlib1g-dev rtl-sdr libusb-1.0-0-dev mesa-common-dev
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sudo apt-get install libgl1-mesa-dev libqt4-opengl-dev libsamplerate-dev libqwt-dev
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cd
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2. Fetch the required libraries
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a) Assuming you want to use a dabstick as device, fetch a version of the library for the dabstick
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wget http://sm5bsz.com/linuxdsp/hware/rtlsdr/rtl-sdr-linrad4.tbz
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tar xvfj rtl-sdr-linrad4.tbz
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cd rtl-sdr-linrad4
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sudo autoconf
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sudo autoreconf -i
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./configure --enable-driver-detach
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make
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sudo make install
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sudo ldconfig
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cd
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b) Assuming you want to use an Airspy as device, fetch a version of the
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library for the Airspy
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sudo apt-get install build-essential cmake libusb-1.0-0-dev pkg-config
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wget https://github.com/airspy/host/archive/master.zip
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unzip master.zip
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cd host-master
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mkdir build
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cd build
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cmake ../ -DINSTALL_UDEV_RULES=ON
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make
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sudo make install
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sudo ldconfig
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Clean CMake temporary files/dirs:
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cd host-master/build
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rm -rf *
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3. Get a copy of the Qt-DAB sources
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git clone https://github.com/JvanKatwijk/qt-dab.git
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cd qt-dab
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4. Edit the qt-dab.pro file for configuring the supported devices and other
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options. Comment the respective lines out if you don't own an Airspy or an SDRplay.
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5. Build and make
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qmake qt-dab.pro
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make
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You could also use QtCreator, load the qt-dab.pro file and build the executable.
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------------------------------------------------------------------
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Configuring using the qt-dab.pro file
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------------------------------------------------------------------
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@@ -125,15 +224,6 @@ For other options, see the CMakeLists.txt file.
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Note that CMake expects Qt5 to be installed.
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------------------------------------------------------------------
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Scanning
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------------------------------------------------------------------
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The Qt-DAB software provides a "scanning" facility, pushing the "scan"
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button will cause the software to scan the subsequent channels in the
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selected band until a channel is encountered where a DAB signal is detected.
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------------------------------------------------------------------
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Raspberry PI
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------------------------------------------------------------------
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@@ -163,78 +253,8 @@ to have the spectrum in the configuration, be aware of the binding
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of the qwt library (i.e. Qt4 and a qwt that uses Qt5 does not work well)
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------------------------------------------------------------------
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Ubuntu Linux
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------------------------------------------------------------------
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For generating an executable under Ubuntu, you can put the following
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commands into a script.
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1. Fetch the required components
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sudo apt-get update
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sudo apt-get install qt4-qmake build-essential g++
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sudo apt-get install libsndfile1-dev qt4-default libfftw3-dev portaudio19-dev
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sudo apt-get install libfaad-dev zlib1g-dev rtl-sdr libusb-1.0-0-dev mesa-common-dev
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sudo apt-get install libgl1-mesa-dev libqt4-opengl-dev libsamplerate-dev libqwt-dev
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cd
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2. Fetch the required libraries
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a) Assuming you want to use a dabstick as device, fetch a version of the library for the dabstick
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wget http://sm5bsz.com/linuxdsp/hware/rtlsdr/rtl-sdr-linrad4.tbz
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tar xvfj rtl-sdr-linrad4.tbz
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cd rtl-sdr-linrad4
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sudo autoconf
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sudo autoreconf -i
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./configure --enable-driver-detach
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make
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sudo make install
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sudo ldconfig
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cd
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b) Assuming you want to use an Airspy as device, fetch a version of the
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library for the Airspy
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sudo apt-get install build-essential cmake libusb-1.0-0-dev pkg-config
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wget https://github.com/airspy/host/archive/master.zip
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unzip master.zip
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cd host-master
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mkdir build
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cd build
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cmake ../ -DINSTALL_UDEV_RULES=ON
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make
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sudo make install
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sudo ldconfig
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Clean CMake temporary files/dirs:
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cd host-master/build
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rm -rf *
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3. Get a copy of the Qt-DAB sources
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git clone https://github.com/JvanKatwijk/qt-dab.git
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cd qt-dab
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4. Edit the qt-dab.pro file for configuring the supported devices and other
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options. Comment the respective lines out if you don't own an Airspy or an SDRplay.
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5. Build and make
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qmake qt-dab.pro
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make
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You could also use QtCreator, load the qt-dab.pro file and build the executable.
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------------------------------------------------------------------
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Windows
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------------------------------------------------------------------
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There is an executable to be found under https://github.com/JvanKatwijk/qt-dab/releases
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============================================================================
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@@ -65,7 +65,7 @@
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</rect>
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</property>
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<property name="toolTip">
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<string><html><head/><body><p>Push this button for saving the audio output into a file. First push will show a menu for file selection. ></p>><p>Push again to stop recording.</p></body></html></string>
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<string><html><head/><body><p>Push this button for saving the audio output into a file. First push will show a menu for file selection. </p><p>Push again to stop recording.</p></body></html></string>
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</property>
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<property name="text">
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<string>audio</string>
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@@ -81,7 +81,7 @@
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</rect>
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</property>
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<property name="toolTip">
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<string><html><head/><body><p>Push this button for saving the raw input. Pushing will cause a menu to appear where a filename can be selected. ></p>><p>Push again to stop recording.</p></body></html></string>
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<string><html><head/><body><p>Push this button for saving the raw input. Pushing will cause a menu to appear where a filename can be selected. Please note the big filesizes!</p><p>Push again to stop recording. You can reload it by using the file input (*.sdr) option. </p></body></html></string>
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</property>
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<property name="text">
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<string>dump</string>
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@@ -319,7 +319,7 @@
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</rect>
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</property>
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<property name="toolTip">
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<string><html><head/><body><p>Copyright (C) 2016, 2017 Jan van Katwijk (J.vanKatwijk@gmail.com), Lazy Chair Programming</p><p><br/></p><p>QtDAB is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.</p><p><br/></p></body></html></string>
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<string><html><head/><body><p>Copyright (C) 2016, 2017 Jan van Katwijk (J.vanKatwijk@gmail.com), Lazy Chair Programming</p><p></p><p>Qt-DAB is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.</p><p><br/></p></body></html></string>
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</property>
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<property name="text">
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<string/>
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@@ -335,7 +335,7 @@
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</rect>
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</property>
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<property name="toolTip">
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<string><html><head/><body><p>Indicator for time synchronization. Green means that the software recognizes that there are DAB frames, not necessarily that the software is able to decode the DAB stream.</p></body></html></string>
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<string><html><head/><body><p>Indicator for time synchronization</p><p>Green means that the software recognizes that there are DAB frames, not necessarily that the software is able to decode the DAB stream.</p></body></html></string>
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</property>
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<property name="frameShape">
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<enum>QFrame::NoFrame</enum>
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@@ -354,7 +354,7 @@
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</rect>
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</property>
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<property name="toolTip">
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<string><html><head/><body><p>A signal Noise indicator. In general: higher is better, Do not take the value as a serious measure of the snr, that strongly depending on the device. and the amount of filtering applied in the device.</p></body></html></string>
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<string><html><head/><body><p>A signal Noise indicator</p><p>In general: higher is better. But do not take the value as a serious measure of the SNR, it strongly dependson the device and the amount of filtering applied in the device.</p></body></html></string>
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</property>
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<property name="frameShape">
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<enum>QFrame::NoFrame</enum>
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30
radio.cpp
30
radio.cpp
@@ -619,7 +619,7 @@ void RadioInterface::init_your_gui (void) {
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crcErrors_2 -> hide ();
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if (show_crcErrors) {
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QString file = QFileDialog::getSaveFileName (this,
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tr ("Save file .."),
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tr ("Save file ..."),
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QDir::homePath (),
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tr ("Text (*.txt)"));
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file = QDir::toNativeSeparators (file);
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@@ -998,7 +998,7 @@ bool r = 0;
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r = inputDevice -> restartReader ();
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qDebug ("Starting %d\n", r);
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if (!r) {
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QMessageBox::warning (this, tr ("sdr"),
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QMessageBox::warning (this, tr ("Warning"),
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tr ("Opening input stream failed\n"));
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return;
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}
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@@ -1276,7 +1276,7 @@ QString file;
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inputDevice = new airspyHandler (dabSettings, &success);
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if (!success) {
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delete inputDevice;
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QMessageBox::warning (this, tr ("sdr"),
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QMessageBox::warning (this, tr ("Warning"),
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tr ("Airspy not found\n"));
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inputDevice = new virtualInput ();
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resetSelector ();
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@@ -1293,7 +1293,7 @@ QString file;
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inputDevice = new extioHandler (dabSettings, &success);
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if (!success) {
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delete inputDevice;
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QMessageBox::warning( this, tr ("sdr"), tr ("extio: no luck\n") );
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QMessageBox::warning( this, tr ("Warning"), tr ("extio: no luck\n") );
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inputDevice = new virtualInput();
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resetSelector ();
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}
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@@ -1308,7 +1308,7 @@ QString file;
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inputDevice = new rtl_tcp_client (dabSettings, &success);
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if (!success) {
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delete inputDevice;
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QMessageBox::warning( this, tr ("sdr"), tr ("rtl_tcp: no luck\n") );
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QMessageBox::warning( this, tr ("Warning"), tr ("rtl_tcp: no luck\n") );
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inputDevice = new virtualInput();
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resetSelector ();
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}
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@@ -1322,7 +1322,7 @@ QString file;
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inputDevice = new sdrplay (dabSettings, &success);
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if (!success) {
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delete inputDevice;
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QMessageBox::warning (this, tr ("sdr"),
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QMessageBox::warning (this, tr ("Warning"),
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tr ("SDRplay: no library\n"));
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inputDevice = new virtualInput ();
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resetSelector ();
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@@ -1337,8 +1337,8 @@ QString file;
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inputDevice = new dabStick (dabSettings, &success);
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if (!success) {
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delete inputDevice;
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QMessageBox::warning (this, tr ("sdr"),
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tr ("DAB-Stick not found\n"));
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QMessageBox::warning (this, tr ("Warning"),
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tr ("DAB Stick not found! Please use one with RTL2832U or similar chipset!\n"));
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inputDevice = new virtualInput ();
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resetSelector ();
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}
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@@ -1351,7 +1351,7 @@ QString file;
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// We always have fileinput!!
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if (s == "file input (.raw)") {
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file = QFileDialog::getOpenFileName (this,
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tr ("open file ..."),
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tr ("Open file ..."),
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QDir::homePath (),
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tr ("raw data (*.raw)"));
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file = QDir::toNativeSeparators (file);
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@@ -1365,7 +1365,7 @@ QString file;
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else
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if (s == "file input (.sdr)") {
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file = QFileDialog::getOpenFileName (this,
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tr ("open file ..."),
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tr ("Open file ..."),
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QDir::homePath (),
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tr ("raw data (*.sdr)"));
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file = QDir::toNativeSeparators (file);
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@@ -1560,8 +1560,8 @@ SF_INFO *sf_info = (SF_INFO *)alloca (sizeof (SF_INFO));
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QDir::homePath (),
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tr ("raw data (*.sdr)"));
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file = QDir::toNativeSeparators (file);
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if (!file. endsWith (".sdr", Qt::CaseInsensitive))
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file. append (".sdr");
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if (!file.endsWith (".sdr", Qt::CaseInsensitive))
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file.append (".sdr");
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sf_info -> samplerate = INPUT_RATE;
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sf_info -> channels = 2;
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sf_info -> format = SF_FORMAT_WAV | SF_FORMAT_PCM_16;
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@@ -1591,10 +1591,10 @@ SF_INFO *sf_info = (SF_INFO *)alloca (sizeof (SF_INFO));
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QString file = QFileDialog::getSaveFileName (this,
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tr ("Save file ..."),
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QDir::homePath (),
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tr ("Sound (*.wav)"));
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tr ("PCM wave file (*.wav)"));
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file = QDir::toNativeSeparators (file);
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if (!file. endsWith (".wav", Qt::CaseInsensitive))
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file. append (".wav");
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if (!file.endsWith (".wav", Qt::CaseInsensitive))
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file.append (".wav");
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sf_info -> samplerate = 48000;
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sf_info -> channels = 2;
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sf_info -> format = SF_FORMAT_WAV | SF_FORMAT_PCM_16;
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