Splitting up 6gb .wav

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Archived from groups: rec.audio.pro (More info?)

Doc wrote:
> "John L Rice" <Drummer@ImJohn.com> wrote in message
> news:11h12ub5pasuqd8@corp.supernews.com...
>
>>What application / system created this huge file in the first place?
>
>
> I was wondering if he has a recording of all of WWII from start to finish or
> something.
>
>

lol, nope. It was recorded in Cubase SX 2.something.....it looked like
it was writing audio right up until I stopped it at about 3 hours. I'm
pretty sure the data is still there, it's just a matter of splitting the
file up.

If I use AudioHack to write new .wavs without any header info, will I
have to spend all day to piece it back together, or just chop off the
headers at the beginning and end? (ie. there aren't several headers in
chunks located all over the place are there?) I don't care if I lose a
few samples here and there, or even a few seconds (depending on what
spot it's at). Thanks!

Jonny Durango

 

[Guest]

Archived from groups: rec.audio.pro (More info?)

Hi Johnny,

You need a sequential editor in order to handle something this big and,
again, success cannot possibly be guaranteed.
If it was a normal 44.1/16 audio file you could use one of plenty free
utilities available on the web that could convert your file into RAW
PCM format (like wav2raw). I haven't tried those with 24/96, and I've
never compared the header differences for those files.
FIRST, back your file up. It should fit onto a dual-layer DVD.
Second, use a binary file splitter utility and split your file into
smaller chunks. There are hundreds of utilities that can do this,
SPLITS is one of them (just google: binary split files).
Open the first file of the produced sequence with a binary editor and
remove the header (you can check by yourself easily: create a very
short 2496 wave file, save it and then convert it to raw and save the
raw file as well; then open both files in the editor window and check
out the difference).
Try importing the chunks as raw files in a wave-editor and see if this
is working out for you... since you mentioned that it won't be a
catastrophe if a few seconds were lost!

Good luck,

Evangelos

%
Evangelos Himonides
IoE, University of London
tel: +44 2076126599
fax: +44 2076126741
"Allas to those who never sing but die with all their music in them..."

Oliver Wendell Holmes
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Doc wrote:
> "Forty Winks" <Yawn@bedtime.com> wrote in message
> news:Xns96BF860FC258DYawnbedtime@84.92.1.10...
>
>
>>You are.
>>
>>http/www.ntfs.com/ntfs_vs_fat.htm
>>
>>NT as in windows NT, which is a lot older than Win2K
>
>
> I guess the reason I thought that was I'd always heard Win2K was really a
> revamped version of 98SE. I never had any of the intermediate versions
> between 98SE and XP.
>
>
The split between modern and legacy Microsoft OSes goes like this;

OBSOLETE
Windows 95
Windows 98 (all versions)
Windows NT 3.1
Windows NT 3.51

Windows ME


MODERN
Windows NT 4.0
Windows 2000
Windows XP
Windows 2003


Windows ME should really have its own special classification because MS
tried to combine some of the newer technoligies with the old in that OS.
It's dead anyhow.

CD

 

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Archived from groups: rec.audio.pro (More info?)

--
John L Rice
Drummer@ImJohn.com

"Jonny Durango" <jonnydurango1BUSH_FROM_OFFICE@comcast.net> wrote in message
news:g-mdncwt7qozII_eRVn-qA@comcast.com...
> Doc wrote:
>> "John L Rice" <Drummer@ImJohn.com> wrote in message
>> news:11h12ub5pasuqd8@corp.supernews.com...
>>
>>>What application / system created this huge file in the first place?
>>
>>
>> I was wondering if he has a recording of all of WWII from start to finish
>> or
>> something.
>>
>>
>
> lol, nope. It was recorded in Cubase SX 2.something.....it looked like it
> was writing audio right up until I stopped it at about 3 hours. I'm pretty
> sure the data is still there, it's just a matter of splitting the file up.
>

Hi Johhny,

Did you ask over on http/www.cubase.net/phpbb2/ yet? Chances are that if
it's possible someone there has tried it.

Best of luck!


--
John L Rice
Drummer@ImJohn.com

 

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Archived from groups: rec.audio.pro (More info?)

"Jonny Durango" <jonnydurango1BUSH_FROM_OFFICE@comcast.net> wrote in message
news:ePOdnetU99peV5PeRVn-jg@comcast.com...
> Long story short, I need to split a 6.07 GB 24/96 .wav file into several
> smaller files (less than 2GB) so that I can edit them in Cubase SX. My
> OS is Win2k. I have tried using the DOS program AudioHack, but the files
> it outputs cause an unsupported format error message (even if I change
> the extension to .raw). Also tried chopping up the region in Cubase, but
> it won't read past 2 GB from the beginning of the .wav. Can anyone
> suggest a utility or method to recover the remainder of the file? Thanks!

OK, I've reproduced the problem in Cubasis on Win2K. You can creat a .wav
file as large as you like; however, a .wav file contains a 32-bit header
containing the length of the data.

What you get in the header is the low-order 32 bits of the data length; so
for your 6GB file, you get the data-length minus 4GB, which is where the 2GB
comes from.

I think I can help you recover the data if you still have the problem; let
me know if you still need help, and I'll get onto it tomorrow evening.
(It's now past midnight here, and I
have a job interview tomorrow.)

Tim.

 

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"Tim Martin" <tim2718281@ntlworld.com> wrote in message
news:sY5Re.2909$w4.1564@newsfe5-win.ntli.net...
> (It's now past midnight here, and I
> have a job interview tomorrow.)
>
> Tim.

Tim,

How'd the interview go? ;-)

--
John L Rice
Drummer@ImJohn.com

 

[Guest]

Archived from groups: rec.audio.pro (More info?)

Jonny Durango wrote:
> Long story short, I need to split a 6.07 GB 24/96 .wav file into several
> smaller files (less than 2GB) so that I can edit them in Cubase SX. My
> OS is Win2k. I have tried using the DOS program AudioHack, but the files
> it outputs cause an unsupported format error message (even if I change
> the extension to .raw). Also tried chopping up the region in Cubase, but
> it won't read past 2 GB from the beginning of the .wav. Can anyone
> suggest a utility or method to recover the remainder of the file? Thanks!
>
> Jonny Durango

cut file, then compose again

XEDIT.EXE
http/xedit.smike.ru
for huge files more than several Gig use:
"Tools"->"Fragmentize File" to pieces
If you want for gather file again from pieces use:
"Tools"->"Compose File" from pieces

 

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Archived from groups: rec.audio.pro (More info?)

"John L Rice" <Drummer@ImJohn.com> wrote in message
news:11hcqadk3oomv59@corp.supernews.com...

> How'd the interview go? ;-)

Well, it seemed OK ... but they haven't offered me the job, so I guess I
missed it.

My offer to write the code still stands, if Jonny Durango still has the
problem.

Tim

 

[Guest]

Archived from groups: rec.audio.pro (More info?)

Jonny Durango wrote:
> Long story short, I need to split a 6.07 GB 24/96 .wav file into several
> smaller files (less than 2GB) so that I can edit them in Cubase SX. My
> OS is Win2k. I have tried using the DOS program AudioHack, but the files
> it outputs cause an unsupported format error message (even if I change
> the extension to .raw). Also tried chopping up the region in Cubase, but
> it won't read past 2 GB from the beginning of the .wav. Can anyone
> suggest a utility or method to recover the remainder of the file? Thanks!
>
> Jonny Durango

Just for the record, and for anybody else who might have this problem in
the future, I solved the issue by splitting up the .wav with AudioHack,
a command line based program and then repairing the output files in
Samplitude. The whole process went something like this:

1) Put the oversized .wav file (example: audio.wav) in the same folder
as AudioHack
2) Run AudioHack and it will ask for a input filename, so type "audio.wav"
3) Then it will ask for the output #1 filename, type "audio1.wav"
4) Then it will ask for output #2 which is the remaining portion of the
..wav "audio2.wav"
5) Open audio1.wav in Samplitude, it will give you an error message
saying it's damaged. Tell it to open anyway and specify the type of .wav
file it is, in my case 24/96k/stereo.
6) Make sure everything sounds right and export it to "Audio_1.wav"
7) If audio2.wav is less than 2gb, open it in Samplitude and follow the
same steps, if it's larger (as it was my case) start over from step 2,
changing the filenames of course

Also, if you want to run AudioHack with the /H or /N switches, you'll
have to open the windows command prompt, cd to the folder that audiohack
is in, and type "audiohack /n" or "audiohack /h" ....for me it worked
just fine without doing this

Anyway, I stayed up until 4am burning the 24 and 16-bit masters onto DVD
and had to catch a plane at 6:30am ....whew! Thanks a TON to everyone
who helped!! You really saved my arse!

Jonny Durango