[mythtvnz] Commercials flagging issues

[Adam Bennetts]

Assuming you're recording dvb-t or dvb-s, I recommend trying the
commercial detection routines from here:
http://www.mythtv.org/wiki/Commercial_detection_with_silences - I'm
not sure how well it would work with an originally analogue source.

I get better results and it's much much faster. The defaults work
fairly well, better on 3 and 4 and typically better on prime time
shows. It can be configured to suit individual channels and programs
(e.g. it doesn't work very well with the news) but I've not yet
bothered. I know one of the devs was working on implementing something
similar in MythTV but I've heard nothing for nearly a year.

Note I'm still on MythTV 0.25.2 so newer versions may have better out
of the box commercial detection (quality dropped sometime after 0.24
for me). One day I'll upgrade and might then compare the default
detection versus this method.

Cheers,
Adam.

On Wed, Jan 14, 2015 at 3:06 PM, Liviu Dunaev <liviu.dunaev at gmail.com> wrote:
> Thank you for the fast response.
> I just wanted to make sure that I’m not missing anything.
> I do see that on some stations the flagging kind of works, I guess its better than not at all.
>
> Thanks again.
> Liviu
>
>> On 14/01/2015, at 14:47, cmacneill at snap.net.nz wrote:
>>
>>
>>
>> Hi Liviu,
>>
>> For NZ set commercial flagging to use all detection methods, it does work, but can be a bit random as the TV stations are getting tricky over how they jump from program content to commercials and I guess that's in an effort to stop the commercial detection from working or people simply getting up at the end of a program and making a cup of tea!!
>>
>> In the UK it was historically somewhat easier, as the main commercial channel there (ITV) used to have regional companies and they had to have a synchronisation blank/pause before and after commerical breaks to ensure the regions all started and stopped commericals at the same time. It's a while since I've been in the UK so may have changed as the region system disappeared some years ago.
>>
>> I wish someone would pass a law forcing TV stations to properly flag commercials rather than the horrible mish mash of merging end titles and jumping straight from one program into the next. I guess that's the "price" we pay for "free" TV.
>>
>> Regards
>>
>> Chris
>>
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