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Audio needs render when it shouldn't

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Matt Radbourne
Audio needs render when it shouldn't
on Oct 22, 2010 at 9:05:39 am

Hi there
I'd like to be able to play a clip's audio in the timeline without rendering so I've converted it to 'Linear PCM - Stereo (L R) - 48kHz - 16-bit' in Compressor, but it still requires a render. What can I do?

My FCP comp is 48kHz, 16-bit, channel grouped

Please help :)

Matt Radbourne
Media Designer
CEM, UK


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Tom Wolsky
Re: Audio needs render when it shouldn't
on Oct 22, 2010 at 10:58:25 am

If this is happening with a single stereo pair in the timeline try trashing your preferences and rebooting.

All the best,

Tom

Class on Demand DVDs "Complete Training for FCP7," "Basic Training for FCS" and "Final Cut Express Made Easy"
Author: "Final Cut Pro 5 Editing Essentials" and "Final Cut Express 4 Editing Workshop"


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Matt Radbourne
Re: Audio needs render when it shouldn't
on Oct 22, 2010 at 11:11:15 am

Yes it is a stereo pair. Glad I'm not going mad.
I'll give it a go.

Matt Radbourne
Media Designer
CEM, UK


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Matt Radbourne
Re: Audio needs render when it shouldn't
on Oct 22, 2010 at 12:21:39 pm

No it still needs rendering. This is the same for IMA 4:1.

(It only takes a second or two to render a 10-minute file so it's very workable even though I don't understand why.)

Matt Radbourne
Media Designer
CEM, UK


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Tom Wolsky
Re: Audio needs render when it shouldn't
on Oct 22, 2010 at 1:39:49 pm

The conpressed file will definitely need rendering. Is this an AIFF file or something else?

All the best,

Tom

Class on Demand DVDs "Complete Training for FCP7," "Basic Training for FCS" and "Final Cut Express Made Easy"
Author: "Final Cut Pro 5 Editing Essentials" and "Final Cut Express 4 Editing Workshop"


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Matt Radbourne
Re: Audio needs render when it shouldn't
on Oct 23, 2010 at 11:40:34 am

It's an H.264 video with IMA stereo pair audio tracks. Ive converted to H.264 video with PCM audio tracks too. Is there any way I can transcode the file so the audio will play unrendered when no effects are applied?
Many thanks

Matt Radbourne
Media Designer
CEM, UK


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Tom Wolsky
Re: Audio needs render when it shouldn't
on Oct 23, 2010 at 1:40:03 pm

H.264 is not a production codec. It should never be used inside FCP. You need it to convert the video and the audio to a format supported natively by the application.

All the best,

Tom

Class on Demand DVDs "Complete Training for FCP7," "Basic Training for FCS" and "Final Cut Express Made Easy"
Author: "Final Cut Pro 5 Editing Essentials" and "Final Cut Express 4 Editing Workshop"


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Matt Radbourne
Re: Audio needs render when it shouldn't
on Oct 23, 2010 at 3:44:50 pm

Sure. I've tried converting the H.264 to Photo JPEG. Is that a good video codec to use?
I don't think I need the quality or footprint of something like ProRes.
I still have the same audio codecs to choose from though. Could you suggest a good audio and video codec combo for my MOVs that is more native please?

Thanks for all your help with this. :)

Matt Radbourne
Media Designer
CEM, UK


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Tom Wolsky
Re: Audio needs render when it shouldn't
on Oct 23, 2010 at 4:42:37 pm

Convert to ProRes LT with uncompressed 48k audio.

All the best,

Tom

Class on Demand DVDs "Complete Training for FCP7," "Basic Training for FCS" and "Final Cut Express Made Easy"
Author: "Final Cut Pro 5 Editing Essentials" and "Final Cut Express 4 Editing Workshop"


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