Odd echoes of recording repeated every 6 secs

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mr-b
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Re: Odd echoes of recording repeated every 6 secs

Post by mr-b » Sun Jul 11, 2010 10:17 am

Great - tx!

Is there any way of verifying which block size Audacity is using? I couldn't see anything.

Gale Andrews
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Re: Odd echoes of recording repeated every 6 secs

Post by Gale Andrews » Sun Jul 11, 2010 7:11 pm

mr-b wrote:Is there any way of verifying which block size Audacity is using? I couldn't see anything.
Click Edit > Preferences: Directories to find out where the Audacity temporary folder is, then navigate to that folder in Explorer. You should be able to see that each .au file is 2 MB in size.


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mr-b
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Re: Odd echoes of recording repeated every 6 secs

Post by mr-b » Mon Jul 12, 2010 3:34 pm

Good job I checked - modifying the shortcut by adding the blocksize option to the Comment field doesn't work (1MB .au files).

I discovered that you do need to put the option in the Target field but outside the quotes e.g.
"C:Program Files (x86)Audacity 1.3 Beta (Unicode)audacity.exe" -blocksize 2127800
This produces 2MB .au files.

Still can't get it to break again though ... (sigh)

Gale Andrews
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Re: Odd echoes of recording repeated every 6 secs

Post by Gale Andrews » Wed Jul 14, 2010 8:15 am

mr-b wrote:Good job I checked - modifying the shortcut by adding the blocksize option to the Comment field doesn't work (1MB .au files).

I discovered that you do need to put the option in the Target field but outside the quotes e.g.
"C:Program Files (x86)Audacity 1.3 Beta (Unicode)audacity.exe" -blocksize 2127800
This produces 2MB .au files.
Thanks for the correction. My shortcut to Audacity (1.3.13) was quitting on Win 7 x64 straight after the Welcome Screen if I appended that parameter, which is why I thought the parameter should go in Comments. But it doesn't crash now when I delete the shortcut and recreate it. :? I agree on double-checking that putting the parameter in Comments has no effect.




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* * * * * Tips * * * * * Tutorials * * * * * Quick Start Guide * * * * * Audacity Manual

mr-b
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Re: Odd echoes of recording repeated every 6 secs

Post by mr-b » Mon Jul 19, 2010 10:48 am

It just happened again.

The interval between the playback flashes is now around 12s (running Audacity with the changed block size).
I excluded *.au files from Microsoft Security Essentials, but it made no difference (assuming that takes effect immediately).
Then I thought the next step was to disable the overdub function, but of course to do this I'd have to stop the recording which might clear the error situation anyway. So I stopped it but didn't change any prefs and then restarted append recording - the error was still happening. Then I stopped again but this time disabled overdub, and the issue went away.

Screenshots plus the recording are at http://rapidshare.com/files/407767019/A ... _error.rar.
The append starts at 8:41. Unfortunately the tape is rather screwed after the append point with lots of wow (it even made the deck stop) which makes it a little harder to hear any issues - in fact I can't hear any echoes at all. The tape is also by The Fall, which may throw some listening for musical "abnormalities". ;)

So it looks as if the issue may just be confined to monitoring. Hopefully this experience helps the diagnosis a little rather then confuses it!

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