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Repairing recovered/found Zoom Recorder .CHK files

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Myles O'Reilly
Repairing recovered/found Zoom Recorder .CHK files
on Oct 3, 2012 at 1:36:16 pm

Hi there.

I recently ran out of power while recording 4 channels on a zoom H4n. The files on the card were 0Kbs when I checked on the night but when I got home and ran CHKDSK on a windows PC, I recovered two 1.5GB files with the file extension .CHK ...These must be my files, one file is the stereo line and the other file is the stereo mic.

The recorder was recording .WAV uncompressed. I've tried replacing the file extension .CHK with .WAV but this has not helped. Others have recommended trying to import the files to Audacity but that hasnt worked yet either.

Can someone help? It appears I have the full volumes of my missing files, but as .CHK, What to do?


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Bouke Vahl
Re: Repairing recovered/found Zoom Recorder .CHK files
on Oct 3, 2012 at 3:45:44 pm

I have no idea what they are, but your best bet is to get Audacity and import it as RAW.
You get options you need to set, fiddle around and perhaps you get lucky.
Since you have a lot of data, it it's probably indeed your sound files.
(1.5 gig for 2 channels is a recording time of over two hours. Does that make sense?)

hth,

Bouke

http://www.videotoolshed.com/
smart tools for video pros


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Ty Ford
Re: Repairing recovered/found Zoom Recorder .CHK files
on Oct 3, 2012 at 10:19:30 pm

Hello Myles and welcome to the Cow Audio Forum.

Yes, try Bouke's idea.

Make copies of the files and work with the copies.

Also try to open copies of the files with Sound Device Wave Agent. If they do open, see if there's anything in the header that needs a tweek.

http://www.sounddevices.com/products/waveagent/

Please let us know what happens.

Regards,

Ty Ford
Cow Audio Forum Leader


Want better production audio?: Ty Ford's Audio Bootcamp Field Guide
Ty Ford Blog: Ty Ford's Blog


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