[mythtv-users] Repack - Rescan question

Klaas de Waal klaas.de.waal at gmail.com
Sat Mar 21 13:19:19 UTC 2020

On Sat, 14 Mar 2020 at 00:24, Allen Edwards <allen.p.edwards at gmail.com>

> On Thu, Mar 12, 2020 at 10:47 AM Klaas de Waal <klaas.de.waal at gmail.com>
> wrote:
>> On Thu, 12 Mar 2020 at 06:34, Mark Wedel <mwedel at sonic.net> wrote:
>>> <snip>
>>>   Having the same issue, living in bay area with these rescans.  The
>>> main problems I have (which maybe could be improved) are following:
>>> - When doing a full scan, mythtv does a simple rename of conflicting
>>> channels to 1, 2, 3, ..  It would be better if they got renamed as 7_1A,
>>> 7_2A, etc
>> The advantage would be that the duplicate channels will be next to each
>> other in the channel editor and in the program guide, making it easier to
>> spot duplicates.
>>> - Some stations (2, 7) transmit on different frequencies from multiple
>>> locations, and while I can tune both of those, one is much better than the
>>> other in terms of signal strength, but in the channel editor, that
>>> information lost.  So I have to go into mythtv, go through the stations,
>>> check which of the 2 I have the better signal, and delete the weaker one
>>> (in good weather, I might be able to tune to either just fine, but when
>>> weather gets marginal, or wind is blowing antenna, I can get dropouts on
>>> the weaker one.
>>>  The problem is noted. For the time being the approach of Alan, scanning
>> only a limited range of frequencies instead of the full range, sounds like
>> a good idea.
>> I have added an option "Remove duplicate channels" to mythtv-setup in the
current mythtv master.
This does remove duplicate transports and duplicate channels based on the
signal strength.
If this works as intended then you only have to do a "Full Scan" and press
The feature has been tested on UK Freeview (DVB-T/T2).
Note that the option is unchecked by default so you have to select it
before doing the scan.
The information about which transports and which channels are discarded is
written to the terminal output if the "-v chanscan" option is given on the

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.mythtv.org/pipermail/mythtv-users/attachments/20200321/3f239804/attachment.htm>

More information about the mythtv-users mailing list