I'd like to apologize to the list for asserting that low SR's were not
working for ASIO4ALL in Csound5. Indeed they *are* working.

My user error. I had inadvertently changed to a *sound card* that did not
support the lower rates. (It's important to have a card that supports the
rate you request!)

On a related note, I may have mentioned somewhere that in the latest
(0.0432) version of CsoundAV, the MME drivers did not seem to be working -
at least for me on WinME. I had forgotten Gab's advice to set the PortAudio
Output Latency value to 100ms, under "Environment Variables" in the runtime
window. When you do that, the MME drivers work fine too.

Once again, I apologize for the confusion. (Maybe one of these days I'll get
it all together - though I'm not holding my breath.)

Art Hunkins
----- Original Message -----
From: "Istvan Varga" 
To: 
Sent: Saturday, March 04, 2006 5:53 AM
Subject: Re: [Cs-dev] ASIO4ALL Low SR's in Csound5 (PortAudio)


> There is not really any code in the Csound PortAudio plugin that would
> restrict the sample rate to 44100 Hz or higher. Does the version of
> ASIO4ALL you have work at low sample rates in other applications ?
> If it does, another possible problem may be the portaudio.dll that is
> currently included; it is the one built by Victor Lazzarini in 2004,
> perhaps the limitation existed then and was removed in later versions
> of PortAudio. This could be tested by trying the ASIO-only PortAudio
> DLLs from one of the Gogins beta releases.
>
> On Wednesday 01 March 2006 03:17, Art Hunkins wrote:
>
> > Back when Mike G. was doing ASIO-only driver interfacing for
Csound5Beta, he
> > got it so ASIO4ALL worked with lower SR's (20K, 11K, 8K). That is to say
> > once ASIO4ALL added these rates.
> >
> > The current Portaudio drivers do not seem to accomodate these lower
rates;
> > they only allow ASIO4ALL at 44K and higher. This ASIO limitation seems
> > limited to ASIO4ALL, as an M-Audio Quattro of mine works fine with its
> > native ASIO at 22K.
> >
> > If ASIO4ALL can be made to work at these lower SR's in Csound5, I'd sure
> > appreciate it. (BTW, I know that the lower rates *do* work with the MME
and
> > DirectSound portions of PortAudio.)
>
>
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