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billw58
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by billw58 » Fri Feb 03, 2012 4:50 pm
I was going crazy trying to reproduce this, until I set my project quality to 16 bit. If you open the project with Audacity set to 32 bit the bug does not occur.
I can confirm that the first export flat-lines at -1 after the first bad sample, and the subsequent exports are entirely flat-lined.
FWIW, in the first export both channels exhibit a spike even though the bad sample is in one channel.
- Original and exported selection
- Screen Shot 2012-02-03 at 11.47.12 AM.png (19.32 KiB) Viewed 576 times
-- Bill
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Gale Andrews
- Quality Assurance
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by Gale Andrews » Sat Feb 04, 2012 3:59 am
billw58 wrote:I was going crazy trying to reproduce this, until I set my project quality to 16 bit. If you open the project with Audacity set to 32 bit the bug does not occur.
Interesting, but it reproduces in 32-bit quality on Windows.
Gale
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ccernst
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by ccernst » Sat Feb 04, 2012 7:35 pm
I was looking through the MP3s that I thought I had produced successfully and the first set of bad albums started on 11/4/2010. I think that's when I switched from 1.2.x to 1.3.11...if that matters.
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steve
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by steve » Sat Feb 04, 2012 9:10 pm
ccernst wrote:I was looking through the MP3s that I thought I had produced successfully and the first set of bad albums started on 11/4/2010. I think that's when I switched from 1.2.x to 1.3.11...if that matters.
You would not see the problem in Audacity 1.2.x because even if "bad samples" existed in the project (which I think is quite likely), Audacity 1.2.x does not have the problem exporting those bad samples. The problem seems to be specific to Audacity 1.3.
