The scanning goal of dvbv5-scan is to examine a list of physical channels (also known as transponders) and identify the MPEG-TS services available within them. A single physical channel can contain several virtual channels inside it, encapsulated via an MPEG Transport Stream. These virtual channels are called "services" in MPEG-TS terminology and may contain one or more audio, video, and other types of elements.
The for dvbv5-scan is a channel configuration file (typically with .conf or .ini -style format) that defines the delivery system parameters for a specific satellite, cable, or terrestrial transponder.
# Legacy DVBv3 line example for DVB-T T 506000000 8MHz 2/3 NONE QAM64 8k 1/32 NONE Use code with caution. dvbv5scan initial file
[Mux 1] COMMAND = SCAN DELIVERY_SYSTEM = DVBT FREQUENCY = 474000000 BANDWIDTH_HZ = 8000000 MODULATION = QAM/64 TRANSMISSION_MODE = 8K GUARD_INTERVAL = 1/32 HIERARCHY = NONE CODE_RATE_HP = 2/3 CODE_RATE_LP = NONE INVERSION = AUTO Use code with caution. 2. DVB-C (Digital Cable)
Understanding and Creating DVBv5-Scan Initial Tuning Files If you use Linux for digital television, you have likely encountered the dvbv5-scan utility. Part of the v4l-utils suite, this powerful command-line tool scans for digital TV channels. For dvbv5-scan to work, it requires an initial tuning file. This guide explains what a dvbv5-scan initial file is, how it works, and how to create or update your own. What is a DVBv5 Initial Tuning File? The scanning goal of dvbv5-scan is to examine
dvbv5-scan /usr/share/dvb/dvbv5/dvb-t/uk-Rowridge -o ~/channels.conf Use code with caution. Explaining the Flags:
Understanding how to create and use initial files is essential for anyone setting up digital TV on Linux using modern DVBv5 tools. What is a dvbv5-scan Initial File? The for dvbv5-scan is a channel configuration file
: Satellite frequencies are usually listed in kiloHertz (kHz).
: Use the syntax examples shown above. Ensure your frequency calculations are accurate (Hz for terrestrial/cable, kHz for satellite).
: Specifies the standard (e.g., DVBT , DVBT2 , DVBS2 , DVBC_ANNEX_A ).
The most up-to-date files are maintained by the community at the LinuxTV dtv-scan-tables repository. You can clone this to get the latest frequencies for your city or satellite. How to Use the Initial File with dvbv5-scan
