From: Bouke / VideoToolShed <bouke@videotoolshed.com>
To: sox-users@lists.sourceforge.net
Subject: Re: Merge and pipe channel assignment madness
Date: Thu, 7 Sep 2017 20:43:48 +0200 [thread overview]
Message-ID: <9E5933CF-6BC6-49C3-82A6-6C21B2FD991E@videotoolshed.com> (raw)
In-Reply-To: <20170907155114.GA36094@www.stare.cz>
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> On 07 Sep 2017, at 17:51, Jan Stary <hans@stare.cz> wrote:
>
>>>> Trying to merge multiple mono and poly Wave files while piping (to add custom padding to each input file.)
>>>> Whatever I do, on input poly files the output channel order is totally unpredictable.
>>>>
>>>> I’m using something like sox -M “| sox 3ch.wav -p pad 1” “|sox 5ch.wav” -b 24 output.wav
>>>> I would expect to get the same order of output as in the order of the input / pipe, but that does not happen.
>>>
>>> I cannot reproduce this behaviour.
>>>
>>> What version of SoX are you using?
>>> Does it also happen with the current version
>
>> https://we.tl/4XNMXikv0J
>> Y:\sox-14-4-2\sox -M "| Y:\sox-14-4-2\sox J:\Torsten\tst\T72.WAV -p pad 0" "| Y:\sox-14-4-2\sox J:\Torsten\tst\T72.WAV -p pad 1" -b 24 J:\Torsten\tst\output.wav
>>
>> The file has ch1 (a bit) static, ch2 silence, ch3 voice
>> On merge, the input tracks are reversed (but other files behave random.)
>
> With my installation of SoX, running
>
> $ sox -M "|sox T72.WAV -p pad 0" "|sox T72.WAV -p pad 1" output.wav
>
> creates an output file with 6 channels, containing (in this order):
>
> 1 static
> 2 silence
> 3 voice
> 4 static
> 5 silence
> 6 voice
Hi Jan,
Yeah, that’s what I would expect :-)
> so I still cannot reproduce your problem.
> I also tried with the "-b 24" which should be irrelevant - no change.
>
> Can you please also upload your output file?
Sure, here you go:
Download link
https://we.tl/lRpO2tMTxu <https://we.tl/lRpO2tMTxu>
I must say, I’ve only checked in Audacity, but I doubt that would matter...
Btw, I’ve only tested on Windows (7, but I doubt that will matter….)
Bouke
> Jan
>
>
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next prev parent reply other threads:[~2017-09-07 18:44 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-09-01 21:24 Merge and pipe channel assignment madness Bouke / VideoToolShed
2017-09-04 8:21 ` Jan Stary
2017-09-04 10:07 ` Bouke (VideoToolShed)
2017-09-05 15:17 ` Jan Stary
2017-09-06 13:38 ` Bouke / VideoToolShed
2017-09-07 15:51 ` Jan Stary
2017-09-07 18:43 ` Bouke / VideoToolShed [this message]
2017-09-07 19:31 ` Jan Stary
2017-09-08 8:02 ` Jan Stary
2017-09-08 15:05 ` Bouke / VideoToolShed
2017-09-08 15:53 ` Jan Stary
2017-09-08 22:28 ` Jeremy Nicoll - ml sox users
2017-09-10 18:26 ` Jan Stary
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