This IS the Avid L2: [Avid-L2] Re: DNxHD115 versus ProRes MXF

Thank you, all. This list is so helpful.
-Mike

--- In Avid-L2@yahoogroups.com, Wilson Chao <wilsonchao@...> wrote:
>
> From what you've written, I'm assuming your student shot on the NX70
> with its internal codec, which I believe is AVCHD, 8 bit, 4:2:0 at
> 24mbps VBR. That's a superb codec for that modest bit-rate, but both
> DNxHD 115 and ProRes 115 are far better, so nobody will ever see any
> difference between the two after you transcode to either.
>
> If you're gonna twist my arm and force me to choose which is "better"
> for this particular workflow, I guess I'd say DNxHD. The extra
> bit-depth in ProRes is wasted because this source material is only 8
> bits. Might as well use those bits elsewhere. But again, this is
> theoretical; they are both gonna be "lossless" coming from AVCHD.
>
>
>
> On Wed, Apr 24, 2013 at 11:33 PM, michaeljshen76 <mikejshen@...> wrote:
> > Hoping some codec gurus can help me.
> > One of my students mistakenly transcoded all of the footage for his 30-minute documentary to DNxHD 115. The rest of the class is editing and finishing their films in ProRes MXF.
> > Is there a quality difference between the two codecs? I've read much suggesting they are roughly comparable.
> > The project in question is 1080p 23.976. Most of the footage was shot on the Sony NX-70, with a bit of HPX3100 and DSLR sprinkled in.
> > We're all in serious crunch mode, so we'd prefer not to have to up-rez any of the projects, especially since the student's media management is unlikely to have been spotless.
> > We'll run some comparison tests, but we don't have a terrific monitor at the school; so any opinions are much appreciated. Thank you!
>