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Sound Editor time scale odd behaviour at high resolution


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#1 jeanrosenfeld

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Posted 02 December 2006 - 03:58 PM

With .wav file loaded into Sound editor (EMC 9), I occasionally need to get right down to small time steps and I have noticed the following strange behaviour of the time scale superimposed over the wav file.

Say I have the scale showing seconds, i.e. 00.10.00, 00:11.00, 00:12.00.That's fine.
Now expand the scale one more step: What I see is

00:10.00, 00:10.25, 00:10.50, but then 00:11.00, i.e 00:10.75 is missing

Expand again, and I get 00:10.00, 00:10.05, 00:10.15, etc up to 00:10.70 but then it jumps to 00:11.00

Expand again to 0.02 second intervals, it becomes even stranger:

00:10.00, 00:10.02, etc.to 00:10.74, then it jumps to 00:11.01, 00:11.03, etc. up to 00:11.73 then jumps to 00:12.00

At 0.01 second intervals, it goes OK from 00:10.00 up to 00:10.74 then jumps to 00:11.00


(This occurs at all equivalent intervals, 00:10.00 to 00:11.00 is just an example).

It is just the scale, the wav file is not interrupted.

HAs anyone else noticed this? Is there an explanation, is it a bug?

PS tried but failed to correct the obvious typo in the topic title. The last word is "complete". My fingers slip across the keys rather often :-).

Edited by jeanrosenfeld, 02 December 2006 - 04:00 PM.

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#2 sknis

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Posted 03 December 2006 - 09:35 AM

View Postjeanrosenfeld, on Dec 2 2006, 05:58 PM, said:

With .wav file loaded into Sound editor (EMC 9), I occasionally need to get right down to small time steps and I have noticed the following strange behaviour of the time scale superimposed over the wav file.

Say I have the scale showing seconds, i.e. 00.10.00, 00:11.00, 00:12.00.That's fine.
Now expand the scale one more step: What I see is

00:10.00, 00:10.25, 00:10.50, but then 00:11.00, i.e 00:10.75 is missing

Expand again, and I get 00:10.00, 00:10.05, 00:10.15, etc up to 00:10.70 but then it jumps to 00:11.00

Expand again to 0.02 second intervals, it becomes even stranger:

00:10.00, 00:10.02, etc.to 00:10.74, then it jumps to 00:11.01, 00:11.03, etc. up to 00:11.73 then jumps to 00:12.00

At 0.01 second intervals, it goes OK from 00:10.00 up to 00:10.74 then jumps to 00:11.00


(This occurs at all equivalent intervals, 00:10.00 to 00:11.00 is just an example).

It is just the scale, the wav file is not interrupted.

HAs anyone else noticed this? Is there an explanation, is it a bug?

PS tried but failed to correct the obvious typo in the topic title. The last word is "complete". My fingers slip across the keys rather often :-).


I just checked in quarter of a second and see the same thing.  I also checked V8 and it is the same way.  Perhaps it is like video frames (minutes/seconds/frames) except it gives minutes/seconds/notes? :huh: .  Bug but probably very low on the fix list since this is the first time someone noticed. :)

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#3 ggrussell

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Posted 03 December 2006 - 09:39 AM

View Postjeanrosenfeld, on Dec 2 2006, 06:58 PM, said:

00:10.00, 00:10.25, 00:10.50, but then 00:11.00, i.e 00:10.75 is missing
It apprears to be bad math, but I wonder if those last digits represent 1/100 of a second or 1/60 of a second?
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#4 jeanrosenfeld

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Posted 03 December 2006 - 05:37 PM

If they are 1/60th of a second, why does it go to up to .70 or .74 if you have smaller intervals, as I gave (but have slightly corrected here as I missed out one value in the 0.05 second interval line):

Expand again, and I get 00:10.00, 00:10.05, 00:10.10, 00:10.15, etc up to 00:10.70 but then it jumps to 00:11.00

Expand again to 0.02 second intervals, it becomes even stranger:

00:10.00, 00:10.02, etc.to 00:10.74, then it jumps to 00:11.01, 00:11.03, etc. up to 00:11.73 then jumps to 00:12.00

At 0.01 second intervals, it goes OK from 00:10.00 up to 00:10.74 then jumps to 00:11.00

Edited by jeanrosenfeld, 03 December 2006 - 05:41 PM.

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