[SoX-devel] [ sox-Bugs-3055399 ] SoX \'FAIL delay: drained asymmetrically!\'

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Bugs item #3055399, was opened at 2010-08-29 12:57
Message generated for change (Comment added) made by uklauer
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Category: None
Group: None
>Status: Pending
>Resolution: Fixed
Priority: 5
Private: No
Submitted By: Roman (smartie_on_comp)
Assigned to: Nobody/Anonymous (nobody)
Summary: SoX \'FAIL delay: drained asymmetrically!\'

Initial Comment:
I have a sub folder full of piano samples, I\'m testing out Sox to see if I can merge these sound files with differnt delays so that my output sounds like someone is actully playing a piano.
my command looks like this:
>c:\\sox-14-3-1\\sox.exe -M \"Piano\\Mixdown (11).wav\" \"Piano\\Mixdown (12).wav\" \"Piano\\Mixdown (13).wav\" \"Piano\\Mixdown (14).wav\" \"Piano\\Mixdown (15).wav\" \"Piano\\Mixdown (16).wav\" output.wav delay 1 2 3 4 5 6 remix 1-6 1-6

Sox outputs:
c:\\sox-14-3-1\\sox.exe FAIL delay: drained asymmetrically!
c:\\sox-14-3-1\\sox.exe FAIL delay: drained asymmetrically!

and when I play output.wav, the first not plays at one second, but the rest play all at once at 2 seconds or so.
I\'ve tested this on my computer \"Windows 7 x64\" and on my webserver \"Debain x86\" and they both produce the exact same results.

I\'ve Googled around for ages looking for a solution but no luck at all.
I've uploaded a zip file of all the files i used at www.davevaughan.com/roman/downloads/sox.zip

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>Comment By: Ulrich Klauer (uklauer)
Date: 2011-10-11 04:11

Message:
This was a SoX bug that surfaced when a delay was more than the input
length, as in your case: Your input files are a bit less than two seconds,
but the delays are up to six seconds. I've just pushed a fix for this bug
to the repository, so this should work in the next release.

Thank you for providing the example files, they were very helpful in
searching for the problem! (As an aside, I noted that your piano samples
are stereo. You should therefore write the delay values in pairs, as in
delay 1 1 2 2 3 3 4 4 5 5 6 6, and adjust the remix accordingly.)

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You can respond by visiting: 
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