Posted by Frank on 03/09/06 17:39

On 9 Mar 2006 08:15:18 -0800, in 'rec.video.production',
in article <Re: PAL to NTSC no Quality Loss on DVD?>,
Acurajustin1978@hotmail.com wrote:

>
>Frank wrote:
>> On 9 Mar 2006 06:44:50 -0800, in 'rec.video.production',
>> in article <PAL to NTSC no Quality Loss on DVD?>,
>> Acurajustin1978@hotmail.com wrote:
>>
>> >I downloaded a British TV show in HDTV and it was in PAL.
>>
>>
>> Not to be picky, but if it was HD (high definition), either 720p or
>> 1080i, then it wasn't PAL, as the terms PAL, NTSC, and SECAM apply
>> only to SD (standard definition) video.
>>
>> HD video, however, does retain the old SD video frame rates, so if it
>> originated in the U.K., then it would most likely have a frame rate of
>> 25 frames per second. Likewise, if it originated in the U.S., it would
>> most likely have a frame rate of (approximately) 29.97 frames per
>> second (actually 60/1.001 fields per second if it was interlaced).
>>
>> You probably already know this. I'm posting it just for the sake of
>> those who may not.
>>
>> Regards,
>>
>> --
>> Frank, Independent Consultant, New York, NY
>> [Please remove 'nojunkmail.' from address to reply via e-mail.]
>> Read Frank's thoughts on HDV at http://www.humanvalues.net/hdv/
>
>
>My mistake, Its actually PDTV.
>http://en.wikipedia.org/wiki/PDTV


That was a new term for me. Thanks for pointing it out.

>My curiosity has to do with frame rates. Why couldn't they perfect
>that back in the 80's and early 90's with VHS?

They wanted to make us suffer. :)

>The quality on this (Dr. Who s01e01 and 2.) Couldn't they use the same
>technique with analog formats?

There *are* high quality analog standards conversion systems available
in the marketplace, but they're not really priced for the consumer
market and are aimed at the broadcast buyer.

You may have just lucked out in this particular situation, but I'm
pleased to know that you got the results that you did. Now if only I
had the time to get those Dr. Who episodes! I used to love that show
back in the old days. I need 48-hour days!

--
Frank, Independent Consultant, New York, NY
[Please remove 'nojunkmail.' from address to reply via e-mail.]
Read Frank's thoughts on HDV at http://www.humanvalues.net/hdv/

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