Subject: Re: [ecasound] Using Ladspa surround encoder?
From: Eric Dantan Rzewnicki (eric_AT_zhevny.com)
Date: Sat May 29 2004 - 04:04:47 EEST
Greg Lee wrote:
> Eric Dantan Rzewnicki wrote:
>> I'm not familiar with the surroundEncoder plugin, but you may need to
>> check out -erc in man ecasound. with this you can route the channels
>> like so:
>> ecasound -d -f:16,2,22050 \
>> -a:1 -f:s32_le,1,22050 -i amb1.wav -ea:.1 \
>> -a:2 -f:s32_le,1,22050 -i amb2.wav -ea:.1 -erc:1,2 \
>> -a:3 -f:s32_le,1,22050 -i amb3.wav -ea:100 -erc:1,3 \
>> -a:4 -f:s32_le,1,22050 -i amb4.wav -ea:.01 -erc:1,4 \
>> -a:1,2,3,4 -f:s32_le,4,22050 -el:surroundEncoder, \
>> -f:16,2,22050 -o temp.wav
>> Something like that should help you, I think. I haven't tested it, but
>> that should at least get you close.
> I tried that, but to make sure I just tried it again. Same result as
> all the other variations I've tried. The result is a .wav file with
> the minumum possible value, -32768, for all data in both channels.
> Thank you for the suggestion.
>> You may already know, but just to be sure, the -ea: parameter is a
>> percentage. So -ea:100 means no change to volume. < 100 decreases
>> volume, > 100 increases volume. Your -ea:.1 and -ea:.01 will be very
>> very quiet. Also, the mix routine in ecasound is such that when mixing n
> Right. I'm not trying to make a real sound, right now. Just trying
> to get the processing to work. Without success.
OK. well, it seems to be specific to this plugin then. My only other
thought is to try the chainsetup without the plugin and see if you get
anything just to make sure the rest of it is correct. or maybe try
another plugin to see what happens.
other than that I'm out of ideas, sorry.
-Eric Rz.
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