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Jeff Greenberg
April 20, 2013 at 2:53 am in reply to: Bitrate compression for output of recorded conferenceYou neglect to tell us whether you’re working in SD for a DVD….or HD for blu-ray.
If the camera is on sticks and there’s not much action in general, you can go in at the bottom for MPEG-2 around 3-3.5 Mb/s and probably get away with much lower (towards 1-2) with good VBR encoding; you might get better results with something other than compressor which doesn’t have the best MPEG2 encoder.
Best,
Jeff I. Greenberg
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Jeff Greenberg
April 20, 2013 at 2:48 am in reply to: Compression question – for film fest submission….Screen won’t show it really.
Set it as QuickTime – go to the bottom to find x264
Then press the advanced button.
That’s where you’ll find the CABAC setting.Best,
Jeff I. Greenberg
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Can you run speedtest.net and report your upload/download speeds please?
If it’s HD, you could likely downres to SD, and reduce your data rate to 1.5 Mbs.
Best,
Jeff I. Greenberg
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My biggest question is: “How long is the video?”
Your biggest issue won’t be the compression, but the upscaling if you go to Blu-Ray.
A standard DVD blank is 5 gig, a standard BR blank is 25 gig, but you’re dealing with a picture 6x a large.
You’d end up padding with black bars (bad) because there isn’t a 4×3 flag in HD.
You’d end up having access to h.264 which is markedly better than mp2 for compression.The only way you could truly be sure is to run your own tests; your upscaling method really can matter here (hardware vs. software).
And the amount of time involved might outweigh a slight improvement of quality.
The length will dictate the data rate for you; if it’s under 60 minutes, visually, both codecs do well towards the top of their data rates. But when we get 120-150 min, and the codecs are starving, that’d mean more about the end quality of your file this way.
Please post what you do, I’m terrifically curious.
Best,
Jeff I. Greenberg
Author/Master Instructor/Speaker/Consulting
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Jeff Greenberg
April 15, 2013 at 4:47 pm in reply to: Occasional Problem with x264, blacks breaking upI’d do some generalized testing:
Bump the data rate to something huge in x264 – See if the problem is due to the data rate. Play with the i Frames as well.
What’s likely happening is that it’s not doing a great scene detection and not dropping an I frame at the cut (which is likely causing the problem.)
It may be time to go to a better framework around the encoder – Episode and Squeeze both have access to x264 and they also have support teams.
Best,
Jeff I. Greenberg
Author/Master Instructor/Speaker/Consulting
My contact info and more
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[Max Hoffmann] ”
H.264
1920 x 1080 px (16:9)
Progressive
30,000 Kbps (30 Mbps) (or higher) @ CBR”This is pretty easy in general.
[Max Hoffmann] “Audio:
PCM in SMPTE302m MPEG-1 Audio Layer AAC
AC3
Audio Bit Rate:
448 Kbps (or higher)—-compressor or quicktime support up to 320”This is a little strange. As best as I understand it (and I’m comfortable admitting I’m in a gray area)
PCM – Pulse Code Modulated is uncompressed.
SMPTE302m is audio mapped into a TS stream for MPEG2
And AAC is an MPEG4 audio stream.It looks like they’re asking you to put the uncompressed audio into an MPEG1 stream – but as an AAC?
At 320, you can’t hear a difference from an uncompressed file, and usually data rates of 448 are used with 5.1 audio (not stereo.) So, yeah, it’s odd.Shot in the dark: You might want to try an FFMPEG encoder for this, something with a GUI, such as FFMPEGX which will let you do something like this.
Or ask them for a previously encoded sample.
Make sure to charge them extra.
Best,
Jeff I. Greenberg
Author/Master Instructor/Speaker/Consulting
My contact info and more
New! Come see me speak @ NAB/Post Production World! -
Since everything is working fine, but it’s not displaying okay, this leads me more to believe that something odd is going on with your user than anything else.
A quick & dirty solution would be to trash the prefs: it.alfanet.squared5.MPEGStreamclip.plist
If that doesn’t work, see what happens if you create a new user and if the problem remains.
Best,
Jeff I. Greenberg
Author/Master Instructor/Speaker/Consulting
My contact info and more
New! Come see me speak @ NAB/Post Production World! -
I bet your drive isn’t formatted as HFS+.
FCPX won’t ‘see’ ExFat or any other File system other than HFS+. You’ll have to move them, reformat and move them back.
Best,
Jeff I. Greenberg
Author/Master Instructor/Speaker/Consulting
My contact info and more
New! Come see me speak @ NAB/Post Production World! -
Jeff Greenberg
April 2, 2013 at 5:59 pm in reply to: tv does’nt support .MOV, any alternative render options?[hoff man] ” the supported codecs are .mp4 , .mkv, .avi, .wmv9″
As Craig pointed out – those are architectures (buckets_ not codecs.
Both of your links were truncated – I can’t look up what the TV can do.
Likely it’ll do h.264 MP4 files. What are you using as a compression tool? If you’re using compressor 4, you can make this sort of file.
Handbrake can probably do this for you as well (for free) – use the Apple TV setting.
Hope that helps (until you get us the other information!)
Best,
Jeff I. Greenberg
Author/Master Instructor/Speaker/Consulting
My contact info and more
New! Come see me speak @ NAB/Post Production World! -
Jeff Greenberg
April 1, 2013 at 2:37 pm in reply to: Transfering FCP Event and Clips from Laptop to an iMac question?Hi Scott. If you’re making it to NAB, feel free to come find me (email me and I’ll make sure that happens) and I can show you this in person.
It sounds like you’re asking this question first:
How can I move a project from drive to drive?Drag the event – and if you want EVERYTHING, choose Duplicate project + referenced events.
****Then delete the original project + Events (as the duplicate no longer references it.)I think though what you’re asking is to move the project and only what you used from your events.
Drag the event like above, but choose Duplicate Project & Used clips. This will NOT duplicate clips you didn’t use.
****Then delete the original project & events (as the duplicate no longer references it.)One question you asked, I think, may lead to confusion.
When you delete a part of a clip in FCPX is just *rejects* that portion of a clip – it doesn’t actually delete the clip. To see what I mean, in the event browser area at the top it says “Hide Rejected”. Please change it to “All Clips”. Regions where you’ve deleted a clip show up as ‘red’ on a clip.No editing system really allows this:
Partially, because this would require creation of new QuickTime files (instead of one, there’d be three, the section before, after and the section you’re deleting.)
Partially, because the file system has no real undo ability.So if you had a really long interview and wanted to truly delete parts of it…it’s painful.
—–
Please, please please – test this for yourself so you understand it first.
Take 4-5 clips and create a new event and a new project and see what happens when you move them around.
Note that you can go into the finder itself and look at the FCP Events and FCP Projects on any drive and see what’s actually happening.Best,
Jeff I. Greenberg
Author/Master Instructor/Speaker/Consulting
My contact info and more
New! Come see me speak @ NAB/Post Production World!