Quality of zoom

Feten

Newbie Joined: Jan 21, 2016 08:18 Messages: 1 Offline

Solved by

Jun 02, 2017 06:50

Hi!

I'm using Powerdirector 14 and I'm doing some zoom in my video.

My video have this quality:

Frame width: 1920

Frame height: 1080

Frequency of images: 23 frames/s

Data rate: 10433 kbits/s

Total of data: 11952 kbits/s

So I think that my video is of quite a good quality. But when I do the zoom, the quality is not good. It becomes blurry.

Is power director reducing the quality when I upload my video? or when I do a zoom?

Can I make this better?

thank you!

Longedge

Senior Contributor Joined: Apr 28, 2011 15:38 Messages: 1504 Offline

Jun 02, 2017 07:27

How about posting a couple of screenshots showing before and after your zoom. Bear in mind that high resolution does not infer accurate focus. I've got some very blurry 4K footage

.

ynotfish

Senior Contributor Location: N.S.W. Australia Joined: May 08, 2009 02:06 Messages: 9977 Offline

Jun 02, 2017 16:15

Hi Feten -

I can't explain who's been mucking around with Longedge's camera, but your issue is a common one. Fortunately, it's mostly user error so it can be corrected.

If your original video is 1920x1080, even if it's perfectly focussed and crisp & clean looking, then you add zoom, then produce to 1920x1080... that's straight away a recipe for degradation of image quality.

Zoom a little - lose a little. Zoom a lot - lose a lot!

Whether it's still images or video, the same principle applies. Take a look at this example on YouTube or download the produced file (with no YouTube processing). If I hadn't produced to 1920x1080, the zoom blur wouldn't look so bad.

Cheers - Tony
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