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Author Topic: MicroTrack Problem: 0 byte file  (Read 24752 times)

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Offline musicsherlock

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Re: MicroTrack Problem: 0 byte file
« Reply #15 on: November 15, 2005, 08:23:58 PM »
No luck yet >:(

perhaps all is lost. "Input file has no data chunk!"

think I'm gonna send the file to an engineer and see if he can salvage...

Offline musicsherlock

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Re: MicroTrack Problem: 0 byte file
« Reply #16 on: November 15, 2005, 08:51:43 PM »
Woot! not sure which part did it, but we're back in business...+T's all around

now, why did the MT freeze up at 1hr and 05 minutes?...perhaps one of the false remaining time bits...?

Offline jcrab66

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Re: MicroTrack Problem: 0 byte file
« Reply #17 on: November 15, 2005, 09:43:22 PM »
Woot! not sure which part did it, but we're back in business...+T's all around

now, why did the MT freeze up at 1hr and 05 minutes?...perhaps one of the false remaining time bits...?

damn man, i gotta know how you did that!
mk4's / mk41's > nbox > Microtracker / HDP2

Offline jcrab66

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Re: MicroTrack Problem: 0 byte file
« Reply #18 on: November 15, 2005, 10:38:44 PM »

Sorry if you've already tried this, but I wasn't sure from your comments above:  have you tried opening it in CEP as a RAW file and then re-saving as WAV?

I did it and it worked!, well, with one small difference, when i tried opening as raw pcm it prompted me for the sample rate then when i selected it said invalid file. I did it again, only this time instead of specifying raw pcm i opened it as "all files". It prompted me twice for the sample rate then opened no probs, saved as wav and everything is great. Thanks and +T!
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Offline Chris K

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Re: MicroTrack Problem: 0 byte file
« Reply #19 on: November 16, 2005, 12:30:04 PM »
this should be in the microtrack faq if it isnt already
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Offline keepongoin

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Re: MicroTrack Problem: 0 byte file
« Reply #20 on: November 16, 2005, 12:44:58 PM »
this should be in the microtrack faq if it isnt already

Woot! not sure which part did it, but we're back in business...+T's all around

now, why did the MT freeze up at 1hr and 05 minutes?...perhaps one of the false remaining time bits...?


so, what answer should i put in the FAQ about this issue? i was waiting for a firm solution before updating the FAQ... or should i link the thread for now and then change it once there is a conclusive answer.  I would prefer the former, as it is less work in the long-run... you know, let things get hashed out and developed here and then update when the answer become something somebody frequently needs.

also: has anyone else had these issues?  how prevelant is this? I have not had this problem... all sort of others but not this one.
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Offline musicsherlock

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Re: MicroTrack Problem: 0 byte file
« Reply #21 on: November 16, 2005, 01:02:34 PM »
I think this issue is a combination of bug and user error, atleast in my case it was...the unit definately froze after a little over an hour...if I had been on the ball, I would have started a new file at set break and could have avoided the whole issue...however, when the unit froze, I could not power down, start a new track or get the machine to respond whatsoever, so I pulled the microdrive (my second mistake).

As far as salvaging the recording goes I would include:
1) check disc options
Quote from: eupeptic
probably the easiest thing to try first is just to run chkdsk d: (I'm just using drive D: for this example...) from the command prompt to see if detects any errors, and if so, add the /f switch to repair those errors - then see if you can access the files.



2) audiohack.exe options:
Quote from: live2496 from PM
<snip>
First, setup a work area. Say c:\audio for example. You can make that folder in Windows.

Copy the audiohack.exe there.

Copy your file to be fixed there.
Rename your input file so that it does not have any embedded spaces in the filename.
For this example, let's rename it to be "big". (ie.big.wav)

goto a command prompt. Start->Run->cmd   (enter "cmd" into the box, press ok)

Navigate to the audio folder...
cd \ <enter>
cd audio <enter>

Let's see what's in the folder...
dir <enter>

At this point you should see...
audiohack.exe
big.wav

Clear the screen...
cls <enter>

Now we are ready to run the program...
audiohack.exe (/H or /N)<enter>

At the first prompt, enter the filename of the file to fix...
BIG <enter>

At the next prompt, enter the filename of the file which which will contain the first 2gb of the file we are fixing.
PART1 <enter>

At the final prompt, enter the filename of the file which will contain the remainder of the file we are fixing.
PART2 <enter>

(Important note: you can leave .WAV off of the filenames.)
The program will then go into run mode and process the data.
From Windows you should see all of the files as it is running.

When complete, rename PART1.WAV and PART2.WAV to be whatever you want them to be called.

this should be in the microtrack faq if it isnt already

and
3) open file as raw PCM file in Cool Edit Pro

Quote from: Brian Skalinder from PM
<1>  Rename .WAV to .RAW or .PCM
<2>  File | Open | Select files of type PCM Raw Data (.raw, .pcm) Use All Files option
<3>  At the Interpret Sample Format As dialogue, specify appropriate sample rate and bit-depth (if 24-bit, select 32-bit at this stage)
<4> At the PCM Raw Data dialogue, select Data Formatted As = proper bit-depth (if 24-bit, choose 24-bit Packed Intel), and try each Offset (0, 1, 2) and see if one of them works.

Offline live2496

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Re: MicroTrack Problem: 0 byte file
« Reply #22 on: November 16, 2005, 02:10:20 PM »
I should probably add that the audiohack.exe is in the zip file at this link...
http://www.gidluckmastering.com/audiohck.zip

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Offline keepongoin

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Re: MicroTrack Problem: 0 byte file
« Reply #23 on: November 16, 2005, 02:38:11 PM »
Ok, now i understand much better how to go about writing about this, musicsherlock.  I wasn't sure how to add this in, but now I do.  I will write a brief summary and link this thread in the FAQ. 

+T
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Offline Fatah Ruark (aka MIKE B)

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Re: MicroTrack Problem: 0 byte file
« Reply #24 on: December 15, 2005, 09:28:21 AM »
I know everyone knows this but THIS PLACE FUCKING RULES!!!!!!!!!!!!!!!!

I unpluged the power from my MT last night (battery also powers the UA5 and it was going dead). This resulted in the dreaded 0 byte file. I knew I had seen this thread. Thank god, one of the best sets of music I've seen this year.

I just did the chkdsk thing (using the MT as the card reader), this gave me a 656MB file which I copied to my HD. After that I just opened it in CEP (following the directions). Didn't have to use the audiohack program.

Thanks to you smart peoples! My recording sounds great. Too bad I lost about 1 minute during the encore. Luckily I was running the JB3 from the board, I'm going to mix them together, so I still have a complete show. I'll just have about a minute of SBD only.

MIKE B

PS. The show was Eric Bachmann of Crooked Fingers. He played quite a few new songs, so I would have been pretty disapointed if this didn't work.

PPS. Time to make a second power source for the MT only.
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Offline musicsherlock

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Re: MicroTrack Problem: 0 byte file
« Reply #25 on: December 15, 2005, 09:53:03 AM »
+T...salvaged recordings end up being my favorite recordings...

I use this to power the MT on it's own http://www.bixnet.com/hicamiexbapa.html On my first test, it recorded an MP3 file for 9hrs...

EDIT: You need to hack a mini-USB on one end of the included adaptaplug...thanks to ToddR for the cable, I just switched it to this box.
« Last Edit: December 15, 2005, 11:02:40 AM by musicsherlock »

Offline Fatah Ruark (aka MIKE B)

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Re: MicroTrack Problem: 0 byte file
« Reply #26 on: December 15, 2005, 11:51:29 AM »
Now that I have opened the repaired file I am missing about half of it. I am certain the unit was recording through the encore, but the track just ends midway through the main set.

I guess that's better than losing all of it. I've learned my lesson...don't unplug the power cable. Kind of a bummer, but I guess it's to be expected with a new piece of equipment.

+T back to you!

MIKE B
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Offline jtessier

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Re: MicroTrack Problem: 0 byte file
« Reply #27 on: December 15, 2005, 04:18:52 PM »
Quote
I guess that's better than losing all of it. I've learned my lesson...don't unplug the power cable. Kind of a bummer, but I guess it's to be expected with a new piece of equipment.

I've removed and added power many times without having the Microtrack stop and/or lose recordings. This alone is not the trigger for this problem.  However, IF you have auto-off enabled and the auto off timeout gets reached in earlier versions of the firmware, the Microtrack goes to a kind of screen saver screen with a large (nearly full screen) battery icon on it if it's receiving external power even while recording.  If you were to remove power while this icon is showing, yes the Microtrack does seem to immediately power off. Even in the middle of recordings. To prevent this first wake the Microtrack back up by pressing once quickly on the power button. You could press the nav wheel thing instead but then you risk accidentally stopping or pausing your recording. Version 1.2.0 does not seem to have this issue while recording.

J.T.

Offline Om_Audio

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Re: MicroTrack Problem: 0 byte file
« Reply #28 on: May 12, 2010, 07:31:26 PM »
This thread has been very useful. I've had freezing/lost/0 byte files for years since I got my 24/96- they replaced the unit and problem remains. Has anyone narrowed down the parameters that may or may not cause it? I seem to have it occur more at .wav file settings as opposed to .mp3- but battery or AC makes no diff. Anyway was able to recover 9mins of a set and though is only a fraction is still meaningful. Thanks everyone for your time and effort. I think this year will be time for a new recorder.

Offline mrfang

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Re: MicroTrack Problem: 0 byte file
« Reply #29 on: June 23, 2010, 01:50:19 PM »
I wish I had seen this thread two years ago when I lost a recording of a NIN show that no one else covered!

This did save my Tool recording from last night, so thanks to everyone who posted useful info here.

I bought a Microtrack II to replace my Microtrack 24/96, but it looks like the same bugs are common to both.  Beyond the basic problem of files not always being saved when the unit runs out of power, I've had both models say that the media is full when it isn't, and have had both crash during some recordings that are over an hour.

I'll be buying a new CF card and hoping that some of these issues were related to the media and not always the MT.
« Last Edit: June 23, 2010, 01:52:37 PM by mrfang »

 

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