Daniel Low
Forum Replies Created
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VBR is for when you have to squeeze the maximum into the minimum. CBR is more of a guarantee of quality when you have the space available. It’s obviously much more complicated than that but that’s a very basic explanation
With VBR, it’s essential that you use 2-pass. With CBR it’s not.
Oddly enough both rate control methods do vary quite widely.
You say you are experimenting with 7.7Mbs 2 pass VBR, is 7.7 the peak or the average datarate?
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“There’s no chance that the iPhone is going to get any significant market share. No chance.”Steve Ballmer To USA Today
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Please let us know how you get on.
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“There’s no chance that the iPhone is going to get any significant market share. No chance.”Steve Ballmer To USA Today
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You shouldn’t need to double it and you should never need to go over 8Mb/s + AC3 audio. Use 2-pass CBR for the video.
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“There’s no chance that the iPhone is going to get any significant market share. No chance.”Steve Ballmer To USA Today
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[Kirven Blount] “I set the data rate to “Automatic””
That’s the reason the file is so large. You need to specify the datarate.
Use this calculator to come up with a rough idea of what the rate should be and adjust from there, if the quality isn’t good enough then increase it, if the quality is great then try and decrease it: the lower the datarate the faster it will load
https://www.adobe.com/devnet/flash/apps/flv_bitrate_calculator/
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“There’s no chance that the iPhone is going to get any significant market share. No chance.”Steve Ballmer To USA Today
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[bree adams] “I need to convert a 1080 HDV .mov to a 720×480 mpeg. One person needs it in HD and another an mpeg”
720×480 is an SD not HD frame size. MPEG can be either SD or HD.
MPEG1, MPEG-2 or MPEG-4?
If it’s MPEG-2 you can’t make the frame size smaller, not in compressor anyway.
So, HD (High Definition) is a description of something that is larger than SD (HD is usually 1280×720 or 1920×1080) but does not describe what format it’s in. MPEG is refers to a group of standards that can be anything from sub SD to greater than HD
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“There’s no chance that the iPhone is going to get any significant market share. No chance.”Steve Ballmer To USA Today
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[Kirven Blount] “and I’m having trouble getting the link to load quickly.”
[Kirven Blount] “but it’s physically huge and takes way too long to load”
How long is the clip.
What datarate did you use?
How big is the final file?
How long does it take to start playing?
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“There’s no chance that the iPhone is going to get any significant market share. No chance.”Steve Ballmer To USA Today
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Don’t export straight out of FCP, use compressor to do your transcoding. That said, the H.264 codec in Episode is much better than the one FCP and compressor uses. Episode is a no-brainer purchase as far as I’m concerned.
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“There’s no chance that the iPhone is going to get any significant market share. No chance.”Steve Ballmer To USA Today
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[Chris Bahr] “Is there a codec I’d need to be able to open it? I have Perian and thought that was the do-it-all wonder codec :)”
You should be able to open it using VLC, which is free, otherwise you’ll need to buy the MPEG-2 Quicktime component from Apple. If VLC can’t open it then there’s something wrong with the file and you need to re-transcode it, but don’t mess with the settings in compressor or you might make another unusable file
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“There’s no chance that the iPhone is going to get any significant market share. No chance.”Steve Ballmer To USA Today
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Right, normal workflow would be to complete your editing and then export your finished sequence with the same sequence settings to Compressor which will then encode MPEG-2 files that you would then drop into DVD studio pro in order to author & burn the finshed DVD, with titles chapters etc..
Stick with the 60 minute best setting in compressor__________________________________________________________________
“There’s no chance that the iPhone is going to get any significant market share. No chance.”Steve Ballmer To USA Today
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Does the client want a DVD that plays in a DVD player or a DVD full of clips that they can then further edit with?
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“There’s no chance that the iPhone is going to get any significant market share. No chance.”Steve Ballmer To USA Today