Subject: Re: [ecasound] Delay Modulation Effects
From: S. Massy (theanaloguekid@tak.net.dhis.org)
Date: Tue Apr 03 2001 - 00:20:26 EEST
On Mon, 02 Apr 2001, Steve Jones wrote:
> Hello,
>
> First post here...
Welcome then.
>
> I've not been able to get any of the '-etX' effects to work.
> Mostly, I can detect no affect at all, though I have managed
> to more or or less mute or greatly attenuate the signal
> once and also acheived a seg-fault with certain parameter
> permutations. 8^) Any tips here? Could you elaborate some
> concerning the parameters? What would be some meaningful
Not ANY timebased effects? Well, the best I can suggest you is to have a
look at the stock preset file, which you can usually find in
/usr/local/share/ecasound/effect_presets. You can use these presets as
starters to experiment or refer straight to them using the -pn option.
> starting args? What's 'variance-time-samples' about? For
> flanging, aren't the typical delay times in msecs? Would I
That's equivalent to "depth" on your average flanger effect, unless I'm much
mistaken. I once made the same remark as that param usually being expressed
in ms but Kai said, and he's right I've found out, that even values addressed
to the sample scale have effects on the signal.
> just specify values less than one in this case? I believe
No, speaking of half a sample for example wouldn't make sense.
> I'm using v1.8.2r14 (I'm posting from work).
>
> Also, -tl does nothing for me. When used, with increased
> debug levels, it reports that it's parsed the argument and
> that looping is enabled. But it just exits after the first
> iteration.
Yes, unfortunately -tl will only work if you specify the processing length
with -t for now. If you wish for example to loop a whole file you would have
to retrieve the length of it in interactive mode with aio-get-length and then
on the command line you would do:
$ ecasound -i:test.wav -o:/dev/dsp -t:[length] -tl
>
> thnx
Hope this helps,
S. Massy
>
> --
> Steve Jones <steve@jonescape.com>
>
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> Steve Jones"
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