[mythtv-users] Aussie Commercial Detection (was: other *stuff*)

[Anthony Giggins]

On 19 April 2012 14:31, Anthony Giggins <seven at seven.dorksville.net> wrote:

>
>
> On 19 April 2012 13:14, Andrew Leech <coronasensei at gmail.com> wrote:
>
>> On 18/04/12 17:11, David Whyte wrote:
>>
>>> On Wed, Apr 18, 2012 at 3:39 PM, Michael Watson
>>> <michael at thewatsonfamily.id.au**>  wrote:
>>>
>>>  Not a big issue for me either.  But very willing to supply examples for
>>>> you
>>>> from Australia.  USB Memory Stick OK?
>>>> Send me an email off list, if you would like me to send you details,
>>>> (or I
>>>> am happy to setup an FTP site for you to download them from)
>>>>
>>>>
>>> Hey Michael,
>>>
>>> I am happy to donate recordings also and I am sure there are other
>>> Aussies too.  Maybe we could create a Wiki page or something to
>>> co-ordinate our efforts so that we can cover all channels including
>>> the shows that give good and bad results.  I am happy to create the
>>> page but I am literally walking away from my desk to go home for the
>>> day so it will have to wait a couple of hours.
>>>
>>> Thoughts?
>>>
>>>  I think a wiki page for Australia is certainly a good idea, just like
>> there's one for UK comm detection.
>> I can imaging that long term there's always going to be some settings
>> that work better in some countries but not in others, so separating methods
>> for regions may be a good idea as a way to avoid false positives.
>>
>> fwiw I've found that silence detection script mentioned here a while back
>> generally works really well on most channels in Melbourne, but not at all
>> on others.
>> 10, 11, SBS, ABC, 7 all appear to work based on what's in my
>> recordedmarkup table, by memory these generally get the cut points pretty
>> well.
>> Channel 9 get's nothing from that script though.
>>
>> Andrew
>>
>>
>> I tried the Silence detection on a few recording from channel 9 in
> Brisbane and had terrible results, I'll try some other channels after
> hearing this.
>
> Cheers,
>
> Anthony
>
> What settings are you using as i'm getting decent results from 10 & 7 but
not from SBS?

I'm currently using

# Allow ad breaks to be upto this many seconds by coalescing non-silence
MAXCOMMBREAKSECS=400
# Max level to be considered 'silent'
SILENCE_THRESHOLD="-70"
# Min duration to be considered 'silent'
SILENCE_DURATION="0.15"

Cheers,

Anthony
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