too many audio tracks when relinking media

Blackmagic Design

too many audio tracks when relinking media

Posted by Erik Lundmark on May 15, 2007 at 12:25 am

I put this on the FCP forum but I’m thinking it might be specific to BMD since I’m using your Easy Setup and Capture Settings for this.
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Capturing HD media from a HD-CAM SR deck. Using Blackmagic Decklink card and the DVCPRO-HD codec. Captured media has 4 audio channels that contains sound. The rest of the audio channels are ignored since there’s no sound on tape for those extra 8 tracks.

If I have to relink the media at any time the newly linked file will show up with 12 audio channels and it’s very annoying to deal with since the sequence will automatically add extra audio tracks to accomodate for those audio channels.

Is there a way of turning off the extra 8 audio channels that are not being used?
I don’t want to have to delete 8 tracks of silent audio in the sequnce every time I add a new clip that has been relinked.

walter biscardi] “Why did you capture with 12 channels of audio activated? You should have turned off all the extra channels before capturing.”

I tried to turn off the extra audio channels in the Log & Capture Window but the pop-up menu for number of audio tracks is greyed out and set to 12 channels. the mystery is that when capturing we only get the amount of tracks that contain sound, but I guess it’s written into the file’s meta data that it should have 12 channels. So when relinking files when they move around between different editing machines those 8 extra empty tracks re-appear and slows the editing down.

I also looked in the Capture Preset section of the Audio/Video Settings and there’s only one option in the audio section and it’s 48k 24bit 12 channels.

Is there a way to turn off unwanted audio tracks before or after capturing/relinkiing media?

Thanks,
Erik

Erik Lundmark replied 19 years ago 3 Members · 3 Replies
3 Replies

Jeremy Garchow
May 15, 2007 at 3:21 am

Actually it is an FCP control option. See my response in the FCP thread.
Luke Maslen
May 15, 2007 at 4:37 am

Hi Erik,

Please see the support note 2 channel stereo capture in Final Cut Pro 5.x which details how to turn off unwanted audio tracks during capture. The support note talks about only capturing 2 channels but you can certainly keep 4 channels using the same method.

Regards,

Luke Maslen
Blackmagic Design
Erik Lundmark
May 15, 2007 at 5:45 am

OK, got it, thanks!

Erik

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