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Re: Adding fade effect
From: |
Rene Maurer |
Subject: |
Re: Adding fade effect |
Date: |
Wed, 14 Jan 2015 05:56:54 +0100 |
Eric Wong <address@hidden> wrote:
> command: exec sox "$INFILE" $SOXFMT - $TRIMFX fade 0 =0 5
>
> I think the above fade example requires sox 14.4.x and later,
I have SoX v14.4.1 but the "=0 syntax" isn't supported.
Surprisingly doing just
command: exec sox "$INFILE" $SOXFMT - $TRIMFX fade 0 5 5
on a playing song starts fade out immediate and does the job (fade out
current song) as desired!
> if you're using an older version you'll probably need to calculate
> the "=0" offset based on the length of the track itself, but
> also need to take into account the offset set by the $TRIMFX
> variable (if you're seeking)
This was my first idea but as already said, this seams not to be
necessary...
> Again, I recommend editing the source instead of the sink as it won't
> restart the device and for most effects, there won't be an audible
> gap.
Done. It works well!
The documentation http://dtas.80x24.org/dtas-player_effects.txt brought
me on the wrong way:
,----
| 1. source effects
|
| - anything which does not change the length of the audio
`----
René