[wdmaudiodev] Re: Anyone here worked with Windows CE?

  • From: "Jerry Evans" <jerry@xxxxxxxxxxx>
  • To: <wdmaudiodev@xxxxxxxxxxxxx>
  • Date: Sun, 4 Mar 2007 14:32:34 -0000

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!


----- Original Message ----- 
  From: Voelkel, Andy 
  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?


  - Andy Voelkel

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