Subject: Re: [ecasound] weird delay in real time processing
From: Jeremy Hall (jhall@uu.net)
Date: Thu Jun 01 2000 - 23:04:54 EEST
Hi,
Remember that the OSS emulation is actually a front-end to the ALSA API,
so if the ALSA stuff is broken in the right part, the OSS stuff will also
be broken.
_J
In the new year, Kai Vehmanen wrote:
> On Wed, 31 May 2000, S. Massy wrote:
>
> > can be. Some stuff I did appeared to help, latest patches to ALSA
> > 0.5.7, slightly bigger buffersize, etc. ALSA native devices are still
>
> Have you tried the real OSS drivers?
>
> > unusable, overly poor sound quality. I have to fall back on OSS
> > emulation which has much more minor problems, or so I thought, but
> > whenever I record to wave, which is my primary intent, the sound
> > quality drops again. :( It'd be nice if someone could give me an
> > advice on what the best chainsetup to do it could be, here's what I use:
>
> Unfortunately there isn't much you can do on ecasound's side. If
> "ecasound -i somefile.wav -o /dev/dsp" doesn't work, then there ain't
> much you can do. Either your soundcard drivers or the hardware itself
> is not working correctly. With more complex setups, ecasound can cause
> problems, but it definitely should work with the above setup.
>
> Few pointers:
> - what apps do work (especially non-ALSA apps)?
> - have you double-checked your irq and dma settings
> (and possibly tried different configurations)?
> - have you tried older ALSA drivers+
>
> --
> Kai Vehmanen <k@eca.cx> ---------------- CS, University of Turku .
> . audio software for linux .. http://www.eca.cx .
> . armchair-tunes mp3/wav/ra . http://www.wakkanet.fi/sculpscape .
>
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