Cory Rose
Forum Replies Created
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I guess there’s no answer
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Hi Joel, thanks for your input and the links. I have Intel Mac OSX 10.6.2 SL and FCP 5.0.4. I can’t use Compressor. So in FCP I’ve tried exporting one of those 1920 x 1080 30fps interlaced H264 files to HDV 1080i60. It’s still HD and the file size is small. Although the aspect ratio of the HDV file is 1440 x 1020. Could I change it back to 1920 x 1080 in the end? Also would the progressive frame rate screw up my original interlaced H264 videos? The HDV output file looks and plays back fine in FCP, although I can’t open it in QT. Should I just edit in a HDV timeline and with only HDV clips? Would the process be lossless? When the editing is finished, I can export it as H264 or something else for HD delivery, right? Sorry guys for all these newbie questions, I just need to start editing right away.
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Hi Joel, I’m not sure if I understand correctly. I have a FCP 5.0.4. Do you suggest importing the source H264 files into FCP and then export them again using QT conversion as H264? I don’t think I would be able to import them once again and cut them in real time. Or did you mean export them as H264 in the very end as the output? If I convert my source H264 files with the Animation codec, would I be able to edit those clips in real time? I’m guessing that if I export the H264 files as Animation, there would be a generation loss, am I wrong?
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Hi Rafael, thank you for the response. Unfortunately MPEG Streamclip doesn’t have the Uncompressed 8-bit option. Although it has Apple Photo-JPEG and Apple DVCPro50-NTSC. If I use them, would I encounter any artifacts? I need a clean HD output. Using FCP, I exported one of those H264 clips using QT conversion as Uncompressed 8-bit. The clip was four and a half minutes long and it took almost an hour to export and the output file size was almost 30 gigs bigger. Like 1 GB/sec. I have footage of 90 minutes I need to convert. Should I just go ahead and export all of them as Uncompressed 8-bit? Is there anything else I could do?
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I can see the problem now. I tried to put a dissolve between 2 H264 clips and I wasn’t able to render or export it. I’ve been exporting the H264 clips as AIC files using MPEG Streamclip but I’ve been using %1 quality to save time. I thought I could eventually replace the low quality AIC clips with the original H264 files later but I won’t be able to do it since FCP doesn’t allow me to put dissolves etc. As I understand, AIC is a lossy codec. I will start exporting the clips all over again with MPEG Streamclip but this time I’ll use full quality. Would AIC be appropriate for broadcasting on TV? Are there any lossless codecs I can use in MPEG Streamclip to convert the source files and use them to edit in FCP? Thank you.
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Richard, I don’t know what the delivery specs are. I don’t think my employer has any idea either. I know it’s strange. But anyway, you are right I don’t have ProRes on my FCP 5.x. Since the source files were handed to me as H264 files, I’ll just output it as H264. It’s not for web but for TV mainly. When the editing is finished, I will open a new sequence and in Sequence Settings, I will choose either H264 or “None” for the compressor. I’m not sure which one. Then, I will paste the AIC sequence into the new timeline and reconnect all the clips to the original source files and export it without using “using QT conversion”. I think it should give me the best available result. Thank you so much for your time.
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Thanks Richard, that was helpful. So if I export the AIC sequence using conversion (converting to H264), will I be losing quality? The output should be broadcast quality HD. I’m sorry I’m confused a little about H264. It’s my first job for editing HD.
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Thank you for the advice David. I think I will use MPEG Streamclip to export all the 62 video clips I have as AIC encoded clips and import them into FCP. I will make an AIC sequence and drag the clips there and edit. After I’m done with the edit, I’m thinking of creating an H264 sequence and pasting everything on there and I’ll reconnect each video clips to the source H264 clips and render everything. Then I hope to export the sequence as H264. Do you think that would be a good way?