Man page - odr-dabmod(1)

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Package: odr-dabmod
apt-get install odr-dabmod

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odr-dabmod(1)

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odr-dabmod

Manual

ODR-DABMOD

NAME
SYNOPSIS
DESCRIPTION
OPTIONS
SEE ALSO

NAME

odr-dabmod - DAB modulator compliant to ETSI EN 300 401

SYNOPSIS

	odr-dabmod		<configuration_file>
	odr-dabmod		input ( -f filename -F format \| -u uhddevice -F frequency) [ -o offset][ -G txgain] [ -T filter_taps_file] [ -a gain] [ -c clockrate] [ -g gainMode] [ -m dabMode] [ -r samplingRate] [ -l ] [ -h ]

Where input is:

ETI input filename (default: stdin), or

tcp://source:port for ETI-over-TCP input, or

zmq+tcp://source:port for ZMQ input, or

udp://:port for EDI input.

DESCRIPTION

ODR-DabMod is a software-defined DAB modulator that receives or reads ETI, and generates modulated I/Q data usable for transmission. It can directly interface the Ettus USRP devices, and can also be used with other SDR signal sources.

This I/Q data which is encoded as complex floats (32bits per complex sample) can be written to a file or pipe, sent to a USRP device using the integrated output for the open-source USRP Hardware Driver (UHD) or to other software-defined radio (SDR) devices using the SoapySDR5 library.

The output of the modulator can also be sent to a GNURadio flow-graph for further processing, conversion or analysis using a ZeroMQ network connection.

OPTIONS

	-f		Use file output with given filename. (use /dev/stdout for standard output)
	-F		Set the output format (see doc/example.ini for formats) for the file output.
	-o		Set the timestamp offset added to the timestamp in the ETI. The offset is a double.

Specifying this option has two implications: It enables synchronous transmission, requiring an external REFCLK and PPS signal and frames that do not contain a valid timestamp get muted.

	-u		Use UHD output with given device string. (use for default device)
	-F		Set the transmit frequency when using UHD output. (mandatory option when using UHD)
	-G		Set the transmit gain for the UHD driver (default: 0)
	-T		Enable filtering before the output, using the specified file containing the filter taps.

Use ’default’ as taps_file to use the internal taps.

	-a		Apply digital amplitude gain.
	-c		Set the DAC clock rate and enable Cic Equalisation.
	-g		Set computation gain mode: fix, max or var
	-m		Set DAB mode: (0: auto, 1-4: force).
	-r		Set output sampling rate (default: 2048000).
	-l		Loop file when reach end of file.
	-h		Print this help.