[wdmaudiodev] Re: Anyone here worked with Windows CE?
- From: "Voelkel, Andy" <andy.voelkel@xxxxxxxxxxxxxxx>
- To: <wdmaudiodev@xxxxxxxxxxxxx>
- Date: Mon, 5 Mar 2007 14:48:39 -0800
Hi Jerry,
I missed your second paragraph. I read about WaveRT drivers and Vista
audio support. Maybe I missed something, but what I read seemed to
indicate that Vista's audio enhancements would improve the average user
experience with latency, but wouldn't provide a definitive advantage
over a tuned Windows XP machine running ASIO drivers on PCI hardware. Am
I wrong?
- Andy
________________________________
From: wdmaudiodev-bounce@xxxxxxxxxxxxx
[mailto:wdmaudiodev-bounce@xxxxxxxxxxxxx] On Behalf Of Jerry Evans
Sent: Sunday, March 04, 2007 6:33 AM
To: wdmaudiodev@xxxxxxxxxxxxx
Subject: [wdmaudiodev] Re: Anyone here worked with Windows CE?
If good tools & v. low latency are the issue then consider OSX. PPC or
Intel both have excellent prosumer hardware available plus Apple
CoreAudio is very easy to use. You should be able to reliably work with
64 sample buffers.
Or try Vista, a 25 buck Terratec soundcard and this BSD licensed driver:
http://cmediadrivers.googlepages.com/. If WaveRT drivers and Vista
CoreAudio live up to promise then you might get all you want.
Keep us posted!
Jerry
----- Original Message -----
From: Voelkel, Andy <mailto:andy.voelkel@xxxxxxxxxxxxxxx>
To: wdmaudiodev@xxxxxxxxxxxxx
Sent: Friday, March 02, 2007 10:24 PM
Subject: [wdmaudiodev] Anyone here worked with Windows CE?
Hi all,
Having just gone through another frustrating afternoon trying to
reduce Windows audio latency, I am motivated once again to think of
alternatives for real time audio algorithm development. I have a couple
applications where a minimum 4.5 millisecond latency is just not
attractive.
I will probably have to use standalone DSP cards for development
in order to avoid this problem, but the development tools on such boards
just can't compare to Visual Studio.
I have thought before of building a Windows CE target using a
standard Pentium motherboard, and cross developing from a host Windows
XP machine. I've heard that the Visual Studio tools for this sort of
cross development are pretty good. I would imagine that Windows CE could
be configured to have much lower latency than Windows XP.
The problem is that the audio driver model is different, and I
am afraid that finding a Windows CE driver for multichannel audio IO
would be impossible, and that developing a driver myself would be very
time consuming.
Has this idea occurred to anyone else? Is it even feasible? Has
anyone succeeded? Does anyone have opinions on related subjects?
Thanks!
- Andy Voelkel
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