Steve Price > Linux-DVB-DVBT-2.19 > dvbt-tsid-qual

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NAME ^

dvbt-tsid-qual - Show signal quality of DVBT channels

SYNOPSIS ^

dvbt-tsid-qual [options]

Options:

       -debug level         set debug level
       -verbose level       set verbosity level
       -help                brief help message
       -man                 full documentation
       -cfg <config>        use specified configuration directory
       -tsid <tsid>         show only the specified multiplex

OPTIONS ^

-help

Print a brief help message and exits.

-man

Prints the manual page and exits.

-verbose

Set verbosity level. Higher values show more information.

-debug

Set debug level. Higher levels show more debugging information (only really of any interest to developers!)

-cfg

Specify an alternate configuration directory (containing the dvb-ts, dvb-pr files) to use, rather than using the default.

-tsid

Specify the TSID and only the results for that multiplex will be shown

DESCRIPTION ^

Script that uses the perl Linux::DVB::DVBT package to provide DVB-T adapter functions.

Reads the config files (either default set or specified using the -cfg option) and then records a few seconds for each channel, displaying the results showing any errors.

The displayed channel information contains:

LCN

The logical channel number (where supported) or just an incrementing index.

Channel Name

The channel name as broadcast

Type

Whether this is a TV channel (i.e. contains video), or a radio station (audio only)

Statistics

The statistics column shows the results of recording this channel. It is in two parts: video and audio. Each part contains the number of recorded packets, the number of errors (shown as number e) and the number of buffer overflows (shown as number o)

For example:

   2 | Yesterday | tv | video: 5252 ( 0 e 0 o) audio: 436 ( 0 e 0 o)

Once the full set has completed, a summary table showing statistics for each multiplex is shown.

Example output

        -----+--------------------------------+--------+---------------------------------------------------------
         LCN | Channel Name                   | Type   | Channel Quality                                                 
        -----+--------------------------------+--------+---------------------------------------------------------
        TSID 4107   [Freq: 578000000 Hz 16QAM]
        ........................................................................................................
           1 | BBC ONE                        | tv     | video: 10367 (  0 e   0 o) audio:   763 (  0 e   0 o)  
           2 | BBC TWO                        | tv     | video:  6190 (  0 e   0 o) audio:   870 (  0 e   0 o)  
          70 | CBBC Channel                   | tv     | video: 21687 (  0 e   0 o) audio:   872 (  0 e   0 o)  
          80 | BBC NEWS                       | tv     | video:  6470 (  0 e   0 o) audio:   656 (  0 e   0 o)  
        ........................................................................................................
        TSID 4107 Summary:   4 chans 11969 pkts   0 unrecorded    0 errors    0 overflows
        ........................................................................................................
        
        ...
        
        
        -----+--------------------------------+--------+---------------------------------------------------------
        
        -------------------------------------------------------------------------------
        SUMMARY
        -------------------------------------------------------------------------------
        TSID  12290 : 12 chans 4992 pkts 0 unrecorded 0 errors 0 overflows
        TSID  16384 : 16 chans 3344 pkts 0 unrecorded 0 errors 0 overflows
        TSID  20480 : 9 chans 6422 pkts 0 unrecorded 0 errors 0 overflows
        TSID  24576 : 17 chans 3050 pkts 0 unrecorded 0 errors 0 overflows
        TSID   4107 : 4 chans 11750 pkts 0 unrecorded 0 errors 0 overflows
        TSID   8199 : 8 chans 7476 pkts 0 unrecorded 0 errors 0 overflows
        -------------------------------------------------------------------------------

FURTHER DETAILS ^

For full details of the DVBT functions, please see Linux::DVB::DVBT:

   perldoc Linux::DVB::DVBT
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