Subject: Re: [ecasound] weird delay in real time processing
From: El Reino (dj_rippe@artic.net)
Date: Sat May 13 2000 - 11:08:29 EEST
> S. Massy kirjoitti:
>
> Hi,
>
> Seems that question time isn't over, now that I've successfully
> compiled ecasound I have a problem in using it. Here it goes, I want
> to use my computer both as real time effects processor and multitrack
> recorder. The set up I have is as follows:
> guitar + amp simulator + SBLive (MIC in) + processor (ecasound) +
> SBLive speaker out + speakers (I intend to eventually output to a file
> as well)
>
> Now the problem I get is rather weird, when I start the processing
> everything is absolutely perfect for the first 15-25 seconds, then I
> start to feel (any musician will understand what I mean) a slight
> delay between the input and the output. Fifteen more seconds and I
> start to "hear" the delay and it just increases every ten seconds or so
> from that time. If I close ecasound and restart it, it does exactly the
> same (starts with little or no delay the becomes laggy). I lowered the
> buffer size down to 32 and run ecasound with the "-r" option but it
> doesn't seem to help much. I thought that it could mean that my
> processor was overloaded but it never goes below 80% idle while I'm
> running ecasound and I still have free memory left also.
> Ecasound is basically set as follows:
> # ecasound -a:setup -i:/dev/dsp -o:/dev/dsp -r
>
> One last thing that I think is important to mentions is the fact that
> I'm using alsa's emu10k1 driver. I tried to use native alsa devices
> with ecasound but got a very poor sound along with underrun warnings
> from ecasound, so maybe the problem's with alsa.
>
> Anyway, I'd be glad if anyone could help on that one,
> Sebastien Massy
>
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-- // El Reino dj_rippe@artic.net______________________________________________________ Nauti Articista GSM-puhelimellasi. Tutustu nyt Articin GSM-deittiin! http://www.artic.net/ads/go.cgi?go=195&r=email
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