What source you will choice ?

[sat-jokar]

hello ,

Let's say that you have one video with tow source , one is DVD and the other one is Bluray 720P , And you want Encode this video with 500MB as a target ,

What source you will choice if you care about the Quality ?
and Is this is makes any difference ?

thanks choice

[Atak_Snajpera]

Blu-Ray due to higher resolution.
BTW 500MB but with what resolution , Amigo?!

[Blue_MiSfit]

Always go with whichever source looks better to begin with. In 99% of cases, this will mean a BluRay stream. In the other (rare) case, the DVD might look better.

If source == DVD encode at 480p
If source == BluRay encode at whatever resolution you want.

If you're encoding to 500mb, You're going to want to downscale to 480p, for sure.

Still use the BluRay source :)

~MiSfit

[sat-jokar]

Blu-Ray due to higher resolution.
BTW 500MB but with what resolution , Amigo?!

640×272


Thanks Blue_MiSfit for the info , but what if my resolution 640×272 ?

[neuron2]

A question that needs answered

Struck for rule 9.

[Blue_MiSfit]

Such a low resolution.. I'd imagine it looking better at 720x480, but why not..

~MiSfit

[kypec]

Another important information which OP omitted to provide for us to help him: what is the duration of your video?
500MB for 22-minute long series episode will look totally different than 500MB 90-minute long movie...

[sat-jokar]

neuron2 Sorry about that



Another important information which OP omitted to provide for us to help him: what is the duration of your video?
500MB for 22-minute long series episode will look totally different than 500MB 90-minute long movie...


Its a movie , must of the time is 90-minute ,

[neuron2]

neuron2 Sorry about that But not sorry enough to fix it?

[movmasty]

Always go with whichever source looks better to begin with. In 99% of cases, this will mean a BluRay stream. In the other (rare) case, the DVD might look better.

If source == DVD encode at 480p
If source == BluRay encode at whatever resolution you want.

If you're encoding to 500mb, You're going to want to downscale to 480p, for sure.

Still use the BluRay source :)For sure?

As i understand this is a general,and interesting, question if to use dvd or bd to encode to a res =< to dvd

The answer is 'for sure' use dvd, assuming that the 2 sources are of the same quality beside their res.

First of all dvd is somewhat already a down scaled bd, no need to repeat the process

second, downscaling to less than 0.5 produces heavy aliasing

3d, process will be much faster using dvd

i dont think that a movie resampled at dvd res from bd will look any better than the dvd one,
pixels dont have any hidden memory that keeps trace of gone linees

but 'for sure' an encoding of 640x272 will look worst from a blue ray respect to a dvd,
in a hd vid there is also more noise, covered from the higer res, but that noise will be concentrated in the smaller encoding, and with an higher frequency, that is not a good thing.

maybe you can buy an hd tv set and watch your dvd with higher quality provided some good upscaling method,
but to buy BDs to watch them on a normal tv set makes no sense.

[movmasty]

Between, i was 'out of the market' for sometime, so, what is the preferred resolution to encode hd movies actually?