[wdmaudiodev] Re: How to filter microphone voice?

  • From: "kevinrich47" <kevinrich47@xxxxxxxxx>
  • To: <wdmaudiodev@xxxxxxxxxxxxx>
  • Date: Fri, 26 Jun 2009 10:00:58 +0800

Sorry,But the price of developer version of VAC is $4000,
I'm live in China,This need full year income of mine,
mabye after I make this software,I will have enough money to pay the VAC,
But I need vac only before I make the software,so ......

because My software will run at all windows versions after windows 98/2000,
so the LFX APO seem not to be the best choice.

if VAC's price not more than $300 I will buy it.
The VAC worth $4000,but I can not afford it.

                                            Thank you.

  ----- Original Message ----- 
  From: Tim Roberts 
  To: wdmaudiodev@xxxxxxxxxxxxx 
  Sent: Friday, June 26, 2009 8:41 AM
  Subject: [wdmaudiodev] Re: How to filter microphone voice?

  kevinrich47 wrote: 
    Thank you Tim,What I want is not change voice for single app,but for all 
application on the machine,
    I have consider Virtual Audio Cable,But the price is not affordable for me.

  Oh, come on!  There's a free version with some features limited for you to 
try out, and the full version is only $30.  If you have not done audio drivers 
before, it will save you MONTHS of frustration.

  If you are working on Vista, you can write a Local Effects Audio Processing 
Object (LFX APO) to do this.  This is a user-mode DLL that lives in the the 
audio engine process.  There is a sample in the WDK in src\audio\sysfx.  It's a 
little bit tricky to get one installed to begin with, but there are documents 
available to help with that.

Tim Roberts, timr@xxxxxxxxx
Providenza & Boekelheide, Inc.

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