[mythtvnz] DVB-S Freeview wrong Aspect ratio for TV3

[Steven Ellis]

Nick Rout wrote:
> On Fri, August 17, 2007 12:23 pm, Steven Ellis wrote:
>   
>> On Fri, August 17, 2007 11:58 am, Steve Hodge wrote:
>>     
>>> On 8/17/07, Graeme Woollett <g.woollett@irl.cri.nz> wrote:
>>>       
>>>> Steven Ellis wrote:
>>>>         
>>>>> Graeme Woollett wrote:
>>>>>
>>>>>           
>>>>>> TV1,2 & Maori fill the screen but TV3 comes up in the wrong aspect
>>>>>>             
>>>> ratio.
>>>>         
>>>>>> How do I fix this?
>>>>>>
>>>>>>             
>>>>> Here is the TV3 reference -
>>>>> http://www.tv3.co.nz/contactus/widescreen/tabid/352/Default.aspx
>>>>>
>>>>> What aspect is your TV, and can you describe your aspect ratio
>>>>>           
>>>> issues.
>>>>         
>>>> There are 2 black vertical strips on each side of the screen, it is
>>>> full
>>>> size vertically
>>>>
>>>>         
>>> TV3, in their infinite wisdom, have decided that viewers are too stupid
>>> to
>>> decide for themselves what aspect ratio they want to use and are
>>> "pillar-boxing" their 4:3 content (i.e. they add black bars left and
>>> right).
>>> This means that it is displayed with the proper aspect ratio if you have
>>> a
>>> 16:9 TV (whether or not you want it that way), but presumably means that
>>> those with 4:3 TVs have to hope either their TV or their receiver crop
>>> 16:9
>>> signals for display.
>>>       
>> And just to let you all know that TVNZ are planning on doing exactly the
>> same when they go widescreen on 22 September
>>     
>
>
> What _should_ they do when they are playing 4:3 material in a widescreen
> channel?
>   
In the UK you tend to see one of two thing happen.

1. It is a 4:3 TS stream rather than a 16:9 TS stream, or

2. The headers are tagged to indicate it is 4:3 embedded in a 16:9
signal and the STB can treat it intelligently.

Steve

-- 
Steven Ellis - Technical Director
OpenMedia Limited
email   - steven@openmedia.co.nz
sales   - sales@openmedia.co.nz
support - support@openmedia.co.nz
website - http://www.openmedia.co.nz