Re: Silence effect help?

Erich Eckner <[email protected]> Mon, 31 Jul 2017 19:25:08 +0200

Newsgroups	gmane.comp.audio.sox
Message-ID	<[email protected]>

Hi Doug,

I have not used the silence effect myself, but your problem might be the
specification of the duration:

              duration is a time specification with the peculiarity that
a bare number is interpreted as a sample count, not as a number of
seconds.  For  specifying  sec‐
              onds, either use the t suffix (as in `2t') or specify
minutes, too (as in `0:02').

so you might want to add a "t" to your duration. Also you might want to
set all durations to 7 seconds (why do you want to trim each silence of
at least one sample (or second) from the beginning?)

Cheers,
Erich

On 31.07.2017 18:56, Doug Lee wrote:
> I want to trim any silent period in a file longer than seven seconds down to seven seconds; that is, keep the first seven seconds of silence
> and discard the rest. I tried "silence -l 1 1 0 -1 7.0 0" but it seems not to work after the first instance. For this project, digital 0 is
> a fair definition of "silence"; but I'm sure just changing the two 0's would account for that issue in other projects.
> 
> I'm sure I'm missing something obvious, but this effect's syntax has always confused me a bit.
> 
> What did I do wrong in the above effect?
> 
> Thanks much for any info.
> 
>

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