[mythtvnz] Commentary track 2 in some NZ programs

[ajp at cantabrian.co.nz]

>>
>>>Do you still have the original recordings? If so, the output of 
>>>mediainfo
>>on the original files might be informative, as well as playing the 
>>original files and >listening to the various audio tracks.
>>>Don't commentary tracks usually have the proper audio in the background?
>>
>>I think tortoise is right about what is going on. Commentary was the 
>>best description I could come up with as there is a female voice 
>>describing those things that are going on which could not be determined 
>>simply by listening to the sound track - for the blind I assume also.
>>
>>Anyone have any idea how far back this goes, would help me work out how 
>>far back in my recordings I need to check - I don't watch everything I 
>>encode straight way.
>>
>>Cheers
>
>The Listener marks programs with AD = Audio Description.  I have a stack of
old Listeners, so I went back through them and the oldest AD marking I can
find is >2-Jun-12.

Thanks for that