[mythtv-users] Commercial Flagging (UK, DVB-T)

[Anthony Giggins]

On 26 October 2012 22:34, Michael Watson <michael at thewatsonfamily.id.au>wrote:

> On 26/10/2012 3:04 PM, Anthony Giggins wrote:
>
>>
>>
>> On 26 October 2012 09:47, Roger Siddons <dizygotheca at ntlworld.com<mailto:
>> dizygotheca at ntlworld.**com <dizygotheca at ntlworld.com>>> wrote:
>>
>>     On Thu, 25 Oct 2012 23:23:22 +0100, Mark Greenwood
>>     <fatgerman at gmail.com <mailto:fatgerman at gmail.com>> wrote:
>>
>>     > In all the years I've used mythtv (every release from 0.22 to
>>     0.26) it
>>     > has *never* detected a commercial break. I've had about 3 false
>>     > detections, and that's it. I know it must work for other people
>>     so my
>>     > question is, for all UK users, what settings do you use to make
>>     it work?
>>
>>     I had the same experience with mythcommflag when I tried it (some
>>     time ago).
>>
>>     However, have you tried
>>     http://www.mythtv.org/wiki/**Mythcommflag-wrapper<http://www.mythtv.org/wiki/Mythcommflag-wrapper>? I find the
>>     silence-detect method works brilliantly most of the time.
>>
>>     The wiki version is for 0.24. I remember having to modify it for
>>     0.25 (IIRC the setcutlist options moved from mythcommflag to
>>     mythutil). I haven't tried it on 0.26 yet.
>>
>>  silence-detect
>>  works pretty well in Australia too on most channels however the default
>> commflag and the silent-detect are pretty useless on the HD Channels.
>>
>
> What settings do you use for silence detect in Australia?  I had very got
> very poor results when I played with it


The defaults below are commented out

 MAXCOMMBREAKSECS=400
# Max level to be considered 'silent'
SILENCE_THRESHOLD="-76"
#SILENCE_THRESHOLD="-70"
# Min duration to be considered 'silent'
SILENCE_DURATION="0.15"

I've only got this enabled for

TEN?Digital) return 0 ;;
7*) return 0 ;;
SBS*) return 0 ;;

All the other channels return no or almost no commflags

Cheers,

Anthony
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