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RevTurk
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No sound in rendered files

Jul 31, 2012 7:35 AM

I'm trying to render out a comp with sound but the sound isn't rendering. I've checked the audio box which has always worked before. The sound plays fine in the comp under ram preview but when I render it out using mpeg2 there's no sound on the rendered file.

 

I'm worried the problem is down to an installation problem. I had to reinstall the production suite recently and there are problems with codecs missing from premiere. I have the Asus P8 P67pro motherboard and it's had a SATA controller failure. The motherboard is due to go back for replacement but I want to get this video finsihed first as I'll be without a computer for up to four weeks and unable to do any work.

 

Does this sound like a codecs issue? Is there any way I can get the sound working without a reinstall? I don't have any working dvd drive on this PC.

 

I'm using AE CS5. Windows 7 64bit

599 Views   6 Replies   Latest reply: Dave LaRonde, Jul 31, 2012 3:00 PM
 
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  • Dave LaRonde
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    1. Dave LaRonde,
    Jul 31, 2012 7:46 AM   in reply to RevTurk
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    Try rendering it out in a losless codec rather than mpeg2.  In mpeg2, the audio can be multiplexed, or muxed, into the video track.  Many media players won't be able to read the audio.

     

    If we knew what you're trying to deliver, we'd have better ideas for advice.

     
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  • RevTurk
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    2. RevTurk,
    Jul 31, 2012 8:02 AM   in reply to Dave LaRonde
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    I'm trying different formats now. I managed to get sound working in mpeg2 but then the video was gone. This video is going to end up on youtube (720) so I need some compression or it'll take me a week to upload it. Trying H.264 now.

     
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  • Dave LaRonde
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    3. Dave LaRonde,
    Jul 31, 2012 10:23 AM   in reply to RevTurk
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    You can either render a losless file from AE for further compresion in Adobe Media Encoder, or you can open an AE comp in AME for encoding.  Either way, it's better than doing it all in AE.

     

    If you plan on using this animation elsewhere than on youtube, you'd be better off going the lossless route out of AE.

     
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  • iammichaeldavis
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    4. iammichaeldavis,
    Jul 31, 2012 2:54 PM   in reply to Dave LaRonde
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    My understanding was that the After Effects render queue was just a embedded version of the Adobe Media Encoder. Is this not the case?

     
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  • Rick Gerard
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    5. Rick Gerard,
    Jul 31, 2012 2:57 PM   in reply to iammichaeldavis
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    iammichaeldavis wrote:

     

    My understanding was that the After Effects render queue was just a embedded version of the Adobe Media Encoder. Is this not the case?

    Not true. There's a lot of difference. AE render cue will do MP rendering. Media Encoder will do Multi Pass.

     
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  • Dave LaRonde
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    6. Dave LaRonde,
    Jul 31, 2012 3:00 PM   in reply to iammichaeldavis
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    Nope.  In the example of H.264 encoding, AME can do multiple-pass encoding but AE can not.  While there's a debate whether multiple-pass improves image quality, it ends ends on the isue of file sizes, and AME-encoded multiple-pass files are smaller.

     
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