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Enlarging footage from 1080p/720p to retain detail in DVD output

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Jason Wang
Enlarging footage from 1080p/720p to retain detail in DVD output
on Apr 5, 2013 at 9:05:18 pm

Hello everyone,

I'll be shooting a dance recital in the next couple months with my DSLR's and the ending product will be a 720x480 DVD.

I know people have talked about the loss of quality/detail when down-converting HD resolutions down to DVD resolutions.

My question is could I retain detail if I record the performance, not completely zoomed in, and then enlarge the HD footage in a 720x480 timeline thus cropping the footage and enlarging the dancers with no lose in detail?

Seems like it might work in theory, but wanted to double check with everyone.

Thanks in advance!

- Jason


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Dave LaRonde
Re: Enlarging footage from 1080p/720p to retain detail in DVD output
on Apr 5, 2013 at 9:53:06 pm

Yeah, it'll work, but you'll want to have the luxury of scaling and positioning the footage... shot by shot.

Personally, I'd cut it together, get Edit Lock, export the shots, and fix scale/position in either Motion or After Effects.

Someone may have a different workflow.

Dave LaRonde
Former Sr. Promotion Producer
KCRG-TV (ABC) Cedar Rapids, IA


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Shane Ross
Re: Enlarging footage from 1080p/720p to retain detail in DVD output
on Apr 5, 2013 at 10:08:12 pm

I think it'd be worse to shoot wide, then use that in an SD timeline and zoom in. I really do. Shooting in HD and encoding for DVD will look a lot better than shooting/editing in SD and making a DVD.

Seriously...do a test. You'll see the quality will suffer greatly.

Shane
Little Frog Post
Read my blog, Little Frog in High Def


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Steve Eisen
Re: Enlarging footage from 1080p/720p to retain detail in DVD output
on Apr 5, 2013 at 11:57:06 pm

I'll agree with Shane. In the future, when shooting 4K and above, shooting wide will give you better results. It will be a long time when we start shooting regularly in 4K.

Steve Eisen
Eisen Video Productions
Vice President
Chicago Creative Pro Users Group


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Rafael Amador
Re: Enlarging footage from 1080p/720p to retain detail in DVD output
on Apr 6, 2013 at 11:59:02 am

[Jason Wang] "I know people have talked about the loss of quality/detail when down-converting HD resolutions down to DVD resolutions."
That depends very much of thetool you use for the downscaling.
FC is not good at re-scaling, but with better software or a video card (AJA, Blackmagic), you won't see degradation.
rafael


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Joseph Owens
Re: Enlarging footage from 1080p/720p to retain detail in DVD output
on Apr 7, 2013 at 11:39:39 am

Generally agree with slightly overshooting, for example, 4.5K for 4K, which allows for comfortable smoothing, stabilization, and scene-stitching. Too large a difference between the origination and delivery usually results in re-sampling errors, aliasing, and so on.

jPo

"I always pass on free advice -- its never of any use to me" Oscar Wilde.


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Jason Wang
Re: Enlarging footage from 1080p/720p to retain detail in DVD output
on Apr 7, 2013 at 6:59:28 pm

Thank you everyone for your thoughts and solutions.

""I think it'd be worse to shoot wide, then use that in an SD timeline and zoom in"

Sorry, shane, I wasn't clear in my actual message, I'll be shooting wide in 1080 or 720 and then enlarging that footage to zoom in on the dancers without losing detail on the DVD.

But you're right, I need to simulate the shoot and test it out.

Thanks again everyone,

- Jason


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Shane Ross
Re: Enlarging footage from 1080p/720p to retain detail in DVD output
on Apr 7, 2013 at 8:28:06 pm

[Jason Wang] "Sorry, shane, I wasn't clear in my actual message, I'll be shooting wide in 1080 or 720 and then enlarging that footage to zoom in on the dancers without losing detail on the DVD."

I know EXACTLY what you mean. And I mean to tell you that HD on DVD looks better than SD on DVD. Do a test. HD compressed to DVD, and then HD on an SD timeline blown up so you can zoom in...on DVD.

Shane
Little Frog Post
Read my blog, Little Frog in High Def


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Rafael Amador
Re: Enlarging footage from 1080p/720p to retain detail in DVD output
on Apr 8, 2013 at 11:13:10 am

Jason,
If you are shooting for a DVD, its makes no much sense to shoot 1080, unless you intend to pan or zoom..
720 will let you reframe, if needed, and won't force to make a big downscaling.
rafael


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