Tom Brooks
Forum Replies Created
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What is the unsatisfactory result you are getting? If you set the downconvert to PAL SD Letterbox, sounds like you’ll get 4:3 with letterbox. Can you set to PAL SD 16:9 Anamorphic?
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Nope. It’s just about half that–12.6GB per hour.
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I’d suspect melting if that layer is actually acrylic. Sunlight entering through the eyepiece will be focused on the surfaces inside and can melt plastics. I’ve had it happen very quickly on a camera. Could it be that?
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I get it too. I suspect it happens when I have Adobe products running concurrently.
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I need to catch up with you a little bit. The answer seems to be that your first title fills the still cache, leaving no cache for the rest of them to play in real time. What type of stills are these subtitles?
Beyond that, you could have some sort of RAM shortage causing this.
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Do you have more than one FireWire bus installed on this computer? Some FireWire camcorders require a separate FW card when FireWire drives are also in use.
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The default behavior in Compressor is to make fields from p60–at least with the “DVD Best Quality 90-Minutes” setting. You could make p30, but I’m not sure why you’d want to throw away motion information.
As far as Web goes, I’d cut the frame rate in half. There are too many old computers out there that would choke on 59.94 fps–not to mention mobile devices. Just set the frame rate to 29.97 for your web presets and leave it progressive.
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When I need smooth playback on a client’s computer without special hardware and software, I never deliver in a camera-original, mastering or editing codec. For playing on the desktop, in PowerPoint, or on the Web, the file needs to be in a compressed video format that is optimized for the computer. At the most simplistic level, on Windows machines, Windows Media works best. On Macs, Quicktime with H.264 is best. The particular flavor of each depends on the computer your audience is using.
DVCProHD is a wonderful set of codecs, but it’s not designed for presentation use. Certain types of Windows Media and certain types of Quicktime H.264 are meant to be presentation or delivery codecs. What I try to do is deliver the highest quality that I think will play well with the playback system of my audience. I have never delivered DVCProHD to a client, except when they intend to use it for additional editing.
The fact that your movie plays OK in Final Cut and AJA TV indicates that those hardware/software systems are assisting your computer to play at a higher quality than Quicktime Player alone can handle.
How are these movies being presented? What is their purpose and what is the playback system? I hate to blather on if I’m completely missing the point.
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Quicktime player alone is not necessarily capable of playing that codec at full size and frame rate on the desktop. Remember that FCP adds realtime capability and any scaling hardware you have may also be helping from within Final Cut Pro. The difference could well be that your particular system (computer, drives, etc.) can’t play that codec at 30fps from Quicktime, but 24fps is just within tolerance. When it’s playing the p30, what does QT Player’s inspector report as the actual frame rate while playing?
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The 24p look is good if you shoot correctly for it. 24p is a nice, slow to moderate frame rate. Excellent for web usage and good for DVD. So, it’s really good for multiple forms of release.
DVD players today handle 24p very well with default settings. Most major movies are done on 24p DVDs that allow the deinterlacing chips in TVs or players to display progressive on flat panel displays. On a properly encoded DVD, properly connected to a progressive display, you won’t see any interlacing at all. Get a typical player out of the box, hook it up with HDMI or component to an LCD and you’ll most likely get progressive. No big deal.
Plus, it’s a fact of life. Movies are 24p. Why fight it?