Posted by Little Red Hen on 12/16/06 05:42

"Max Haltermann" <maxhalt@hugonet.com.au> wrote in message
news:elvsrt$2ih$1@news-01.bur.connect.com.au...
>
> "Little Red Hen" <whodunnit@mysteryl.com> wrote in message
> news:bZ9gh.8009$HU.7224@news-server.bigpond.net.au...
>>
>> "Max Haltermann" <maxhalt@hugonet.com.au> wrote in message
>> news:elr1f9$t43$1@news-01.bur.connect.com.au...
>>>
>>> "Little Red Hen" <whodunnit@mysteryl.com> wrote in message
>>> news:moMfh.7254$HU.2980@news-server.bigpond.net.au...
>>>>
>>>> "Max Haltermann" <maxhalt@hugonet.com.au> wrote in message
>>>> news:elnvhi$gbu$1@news-01.bur.connect.com.au...
>>>>>
>>>>> "Jukka Aho" <jukka.aho@iki.fi> wrote in message
>>>>> news:00Afh.372$gn4.1@reader1.news.saunalahti.fi...
>>>>>> Max Haltermann wrote:
>>>>>>
>>>>>>> When I make a DVD from a Winfast2000H DTVcapture card
>>>>>>> the playback from a stand alone DVD player to a 68cm 4:3 TV is about
>>>>>>> 20%
>>>>>>> smaller than the TV's screen. [i.e., there
>>>>>>> all black borders on all sides of the picture]
>>>>>>
>>>>>> How does the original captured signal look on a computer? Does it
>>>>>> already
>>>>>> have the black bars there? (Is the original signal in 12P16 format?)
>>>>>> Yes.
>>>>>
>>>>> Thanks for the pointer re aspect ratio terms.
>>>>> As I wrote in my first posting, the transmitted signal of all local
>>>>> DTV
>>>>> stations has 4:3 images embedded in a 16:9 transmission. Format 12P16
>>>>>
>>>>> VideoRedo File info says 16:9 and image 720:576 (normal PAL format).
>>>>>
>>>>> This makes sense for the DTV stations, as this way they provide both
>>>>> main
>>>>> aspect ratios for the end user. The end user selects 4:3 or 16:9 on
>>>>> the set top
>>>>> box this, as I see it, sets the correct parameters for the DIGITAL TO
>>>>> ANALOG DECODER.
>>>>> In other words, the analog image in the right format and dimensions
>>>>> for display on a TV screen is created outside the digital environment.
>>>>>
>>>>> So the question still is: How can one get a full hight and full width
>>>>> 4:3 display from
>>>>> the raw digital TV transmissions on to DVD or onto a TV screen, seeing
>>>>> there is no D/A conversion or decoding involved?
>>>>>
>>>>> Max.
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>> See here for an explanation of the formats and their names:
>>>>>> <http://google.com/groups?selm=a96fma$kj6$1@news6.svr.pol.co.uk>
>>>>>>
>>>>>> --
>>>>>> znark
>>>>>>
>>>> Max I assume you have a 4:3 TV or Monitor? Either way in making a DVD
>>>> you need to change the flag in the ifo files to tell the DVD player to
>>>> present a full screen presentation during playback. If the ifo file has
>>>> letterbox ticked as well as pan an scan you will get the so-called
>>>> postage stamp view., ie black all around the 4:3 image. My friend has
>>>> the same card as you and I have the Dvico HDTV card and my Topfield
>>>> PVR5000. Al I do is edit the captured file and then make a DVD (to
>>>> harddisk) then edit the ifo files and then burn using Nero. As I said
>>>> in my other post it takes all of 20 seconds to make the edit in
>>>> IFOEdit. Then all my DVD's ex Oz DTV that are 4:3 aspect ratio playback
>>>> full screen on my 4:3 TV with no black borders and full vertical screen
>>>> with black bars either side on my 16:9 LCD. Just like a bought
>>>> one!!!!!
>>> That would be beaut if it worked in my case!!!
>>> I got IFOEdit, ran it fiddled with it, said duhh a few times, (I'm 72
>>> and battling a bit
>>> with HiTec). Anyway eventually I found the lines of text in the IFOedit
>>> display, which, when clicked on, produced this window in which the
>>> settings can be altered.
>>> After some drama I got those files to look as below:
>>>
>>> 1) VIDEO_TS.IFO file:
>>>
>>> Video Manager Menu attributes:
>>> video: MPEG-2 720x576 (PAL) (PAL 625/50) (4:3) (pan-scan)
>>> Title set 1:
>>> VTS_1 Video: MPEG-2 720x576 (PAL) (PAL 625/50) (4:3) (pan-scan)
>>>
>>>
>>> 1) VTS_01_0.IFO file:
>>>
>>> Title set (Movie) attributes:
>>> Video: MPEG-2 720x576 (PAL) (PAL 625/50) (4:3) (pan-scan)
>>>
>>> Only thing wrong with this is, that the movie even on the pc monitor
>>> still does not
>>> reach edge to edge, instead it has a thick black border all around.
>>> I don't like to give up but?????????
>>>
>>> Max.
>>>
>>
>> Something is not right there Max, the frame size should be 16:9 as
>> Australian DTV for ALL transmissions are 16:9 regardless of content., the
>> stations don't transmit aspect ratio flags.
>> So if 4:3 is ticked instead of 16:9 in IFOEdit that is probably the
>> cause of the problem unless there is something you may have selected in
>> your editing program to edit the mpeg file off the TV card.
>>
>> Take another look in IFOEdit and change any instances of 4:3 to 16:9
>> (doesn't matter for the menu attributes) but make sure the video info is
>> PAL and 16:9.
>>
>> What pan and scan in the ifo file is to tell the DVD player to expand the
>> image to fit the 4:3 TV you have so what this means in effect the side
>> black bars 'fall off the screen' and you have a fullscreen 4:3 image.
>> On the Topfield 5000 there is a button that is called centre cut that
>> does the same thing on live transmissions as indeed most STB's.
>>
>> an example from a SBS Doco, actual film 4:3
>>
>> Video: MPEG-2 720x576 (PAL) (PAL 625/50) (16:9) (pan-scan)
>
> This had to be it! Well maybe, but not quite.
> Getting into IFOEdit once more I got it to display exactly as per your
> sample above.
> The monitor screen image still looked wrong though. So I burned to
> RW-DVD and tested on the player and TV.
>
> Set to 16:9 the image was just as before: black border all four sides.
> Image in correct proportion.
> 4:3 and 4:3 letterbox image is far too wide but with top and bottom
> having thick black bar.
>
> Just to ensure my test dvd file isn't corrupted I will capture a new lot,
> SBS2 is mostly 4:3 transmission, and go through all again.
> Wish me luck, please.
>
> Max.
> P.S. Any possibility of a conventional handle like Bob or Pete or Max?
>
Ewen will do just fine

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