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#1
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Amazon Direct - 8 Channel Surround + Stereo embedded how?
Hey folks,
I'm getting ready to submit a feature film to Amazon Direct, and per their specs, embedded audio should be 8 channels in the following order: L, R, C, Lfe, Ls, Rs, Lt, Rt. In other words, a surround mix, followed by a stereo mix. This is all fine and dandy. I've exported a Pro Res HQ file directly from Media Composer, with my 8 tracks of discrete audio, per their specs. But now the issue I'm having is that I absolutely cannot find, or create, a setting in Compressor that will properly encode those discrete audio channels and embed them with video. Everything either combines them to stereo, or I need to do audio separately, which isn't what Amazon is asking for. Does anybody know how to H264 compress video with 8 channels of discrete audio? I guess that's the long and the short of it. Thanks a million in advance. Chris Conlee
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Chris Conlee PTHD 2018.1, Behringer FCA610, Blackmagic Intensity Pro (driver v10.8.2) Mac OS 10.13.2, 2009 Mac Pro, 32Gb RAM |
#2
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Re: Amazon Direct - 8 Channel Surround + Stereo embedded how?
Confused:
You want to encode the audio, to what? AC3? and combine with video? Amazon only requires discreet channels embedded with the video, which you should have properly done with MC.
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#3
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Re: Amazon Direct - 8 Channel Surround + Stereo embedded how?
Oh, wait, this is a submission? Not a Digital delivery?
Use QT Pro to merge the video file (and compress), and 8 tracks of audio. Using the copy and paste method. They will accept the .mov extension.
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#4
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Re: Amazon Direct - 8 Channel Surround + Stereo embedded how?
Per Amazon's specs, video should be MP4 wrapped, H.264 at 30 Mb/sec and the audio should be AC-3 or AAC encoded at 448 kbps or 768 kbps respectively, with the previously mentioned track order: L, R, C, Lfe, Ls, Rs, Lt, Rt.
I can bit the bullet and upload a Pro Res HQ file with discrete audio, but my internet totally sucks, and I dread having to send a 120Gb file. But I'm totally flummoxed as to how to H.264 encode video with multiple discrete audio tracks.
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Chris Conlee PTHD 2018.1, Behringer FCA610, Blackmagic Intensity Pro (driver v10.8.2) Mac OS 10.13.2, 2009 Mac Pro, 32Gb RAM |
#5
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Re: Amazon Direct - 8 Channel Surround + Stereo embedded how?
Hmm, they expressly state that MOV wrappers aren't supported.
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Chris Conlee PTHD 2018.1, Behringer FCA610, Blackmagic Intensity Pro (driver v10.8.2) Mac OS 10.13.2, 2009 Mac Pro, 32Gb RAM |
#6
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Re: Amazon Direct - 8 Channel Surround + Stereo embedded how?
I think I may have just found a solution: on another forum, somebody mentioned that Handbrake has an AAC passthru, where each channel is simply passed thru at a fixed compression level. Indeed, I can set my video settings the way I want them, then simply pass thru all 8 channels AAC encoded at 160 kbps, each ie: 1280 kbps total. I'll try it and see if it works.
Chris
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Chris Conlee PTHD 2018.1, Behringer FCA610, Blackmagic Intensity Pro (driver v10.8.2) Mac OS 10.13.2, 2009 Mac Pro, 32Gb RAM |
#7
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Re: Amazon Direct - 8 Channel Surround + Stereo embedded how?
Quote:
If you want H264 with encoded AC3 5.1 and encoded AC3 2.0 then Quicktime Pro is the proper way. I read this as MOV is fine https://studios.amazon.com/help/submission-guidelines
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#8
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Re: Amazon Direct - 8 Channel Surround + Stereo embedded how?
Perhaps "compressed" audio is the better term. Their specs are pretty clear, per the graphic I attached above. There don't seem to be many video compressors that pass thru multiple audio channels. But Sorenson Squeeze will do it too, expressly for the type of situation I've laid out.
Sorenson - Using Multi-Track Audio Chris
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Chris Conlee PTHD 2018.1, Behringer FCA610, Blackmagic Intensity Pro (driver v10.8.2) Mac OS 10.13.2, 2009 Mac Pro, 32Gb RAM |
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