HD Offline Codec

[Tod Hopkins]

According to Apple:

1280x720p23.98 target datarate is 59mbps and 88Mbps at HQ.

1280x720p59.97 target datarate is 147Mbps and 220Mbps at HQ

Framerate makes a huge difference.

Cheers,
tod

On Oct 29, 2008, at 10:16 AM, Apple Final Cut Pro wrote:

ProRes is 145 mb/sec and ProResHQ is 220 Mb/sec, now those will get smaller depending on frame size and frame rate, but they are still larger than DVCPro HD. DVCPro HD @ 720p23.98 is about 5 MB/sec. It’s about double dv25.

Jeremy

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Tod Hopkins
Hillmann & Carr Inc.
todhopkins-at-hillmanncarr.com

[Jeremy Garchow]

[Tod Hopkins] “According to Apple:

1280x720p23.98 target datarate is 59mbps and 88Mbps at HQ.

1280x720p59.97 target datarate is 147Mbps and 220Mbps at HQ

Framerate makes a huge difference. “

The same happens to DVCPRo HD. 100mbps is the highest bit rate (1080i60), once you start getting to 720p23.98, it drops down to about 40mbps. DVCPro HD is smaller than ProRes, you will just have to trust me on that, I know it’s hard sometimes. 🙂

Jeremy

[Tod Hopkins]

[Jeremy Garchow] “The same happens to DVCPRo HD. 100mbps is the highest bit rate (1080i60), once you start getting to 720p23.98, it drops down to about 40mbps. DVCPro HD is smaller than ProRes, you will just have to trust me on that, I know it’s hard sometimes. :)”

I’m a trusting kinda guy. I know that DVCProHDpn24 (the so-called “native” framerate)is lower bitrate.

Well, duh! Here it is right on the same Apple chart. I just didn’t look for it.

Cheers,
tod

Tod Hopkins
Hillmann & Carr Inc.
todhopkins-at-hillmanncarr.com

[Rafael Amador]

And this article leads to the same conclusion: 40Mbps

https://library.creativecow.net/articles/kolb_tim/formats.php
Rafael

http://www.nagavideo.com