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Author Topic: Homegrown WAVE header repair utility  (Read 80368 times)

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Offline live2496

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Re: Homegrown WAVE header repair utility
« Reply #180 on: September 14, 2022, 12:39:42 PM »
Audiohack won't fix the framing. What I used to do was import as raw into Samplitude multiple times with a different starting offset each time.

So with a 24-bit file three bytes make up each sample. (2x for stereo for a total of 6 bytes.) I would import with a different starting offset (1 byte more) each time. One of those has to be the correct framing. You can easily tell by listening to each audio segment in the DAW. Delete the badly framed audio and only keep the good one. Then export it to a new file.

I am not sure what software is out there that can do this or something similar. Samplitude has a dialog that can do this. It's not a common problem with good hardware and drivers.
AEA R88MKII > SPL Crimson 3 > Tascam DA-3000

Offline billydee

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Re: Homegrown WAVE header repair utility
« Reply #181 on: September 14, 2022, 03:04:12 PM »
One other complication with this 64gb SD card, the three previous sets recorded that night were done at 16/48, whereas the Dirtwire zero byte file set was recorded at 24/48.

So I'm wondering if I should pull the 16/48 files (nine of them in total) off of the SD card and then create a new clone/disc image of the card to work with. Any thoughts on that?

Offline live2496

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Re: Homegrown WAVE header repair utility
« Reply #182 on: September 14, 2022, 03:50:32 PM »
Audiohack will not require all of the files in the folder to have the same attributes. You will deal with each one individually and the number of bits, channels, sampling rate are retained. 
Whatever you do though having a backup copy is always a good idea. In the case of the pigiron utility if I remember correctly it attempts to fix up the original file.

Gordon

EDIT: I need to publish a new link for this as I am no longer paying for web hosting of my domain. Probably need to post some helpful instructions too or a video.

This is a link to my dropbox. I hope you can get the executable from here:
https://www.dropbox.com/s/z7s506nh0c32dqz/audiohck.zip?dl=0

One thing I forgot. The program was written back when I was using Borland C++ and it only supported filenames with 8 characters and a three character extension.
So... this presents a problem. What I would recommend is to copy your file into the same folder as the audiohack.exe program and then rename the file to the 8.3 format so that the program can open it.

Also the program always creates two output files. This was to handle cases when files greater than 2GB were recorded. So in every case the first 2gb are written to file number 1.
The remainder is written to file number 2.




« Last Edit: September 14, 2022, 10:48:32 PM by live2496 »
AEA R88MKII > SPL Crimson 3 > Tascam DA-3000

 

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