#9619: convolution using wrong channnels
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Reporter: Glenn C | Owner: (none)
Newell |
Type: defect | Status: new
Priority: normal | Component:
| undetermined
Version: unspecified | Resolution:
Keywords: convolution | Blocked By:
Blocking: | Reproduced by developer: 0
Analyzed by developer: 0 |
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Comment (by Glenn C Newell):
If by sox compiled in you mean the resample lib that's good to know and I
can work on learning the ffmpeg syntax for that, but I am also using sox
to "remix" lessor number of channels input files to be 16 16 channels,
with silence in the missing input channel parts. That makes a match with
my IR file for convolution.
Anyway, the "problem" with my first go at w64 was in the version of sox I
found that purported to support it. Horrible clipping on every sample. I
found another sox build that works so I am good to go as far as achiving
my goal of getting 16ch files, larger than 4GB, convolved.
However the reason for this ticket still exists, because ffmpeg is only
working if I use an old version. Newer versions still place the top
channels in the wrong place, spatially, indicating that the wrong pairs of
channels are getting used for the convolution.
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Ticket URL: <https://trac.ffmpeg.org/ticket/9619#comment:4>
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