[wdmaudiodev] Re: Issues in installing custom sAPO.
- From: Tim Roberts <timr@xxxxxxxxx>
- To: "wdmaudiodev@xxxxxxxxxxxxx" <wdmaudiodev@xxxxxxxxxxxxx>
- Date: Fri, 12 Oct 2012 10:02:07 -0700
Robert Bielik wrote:
> Frank Yerrace skrev 2012-10-11 22:02:
>> ...Windows has no model for a third player to be involved...
> What about the Microsoft Global FX which anyways need to be wrapped by any
> APO ? One of those could have had the option to control third party installed
> DMOs for instance, and thus it would still be under full control of both
> applications (through some WASAPI interface) and the user via sound control
> panel.
Oh, there are certainly ways this COULD have been implemented. There
are a handful of companies that have developed highly tuned microphone
array and acoustic echo cancellation algorithms, which would need to be
handled as an APO. Microsoft could have architected their AEC and array
APOs with a plugin scheme, allowing these companies to continue sell
their improved algorithms as a generic product. However, they didn't
architect it that way, and as a result that industry is now dead.
I've seen 3 or 4 posts this week about "generic audio enhancement". The
whole concept seems bogus to me. There's no audio magic that works in
every case. I suspect most of these are doing little more than boosting
the bass, and you can do that with the built-in controls.
> Any important scenario regarding professional audio applications pre-Vista
> involves ASIO, and thus has nothing to do with APOs.
The APO concept was not introduced until Vista. Prior to that, these
things were implemented as audio filter drivers. They almost
universally sucked.
--
Tim Roberts, timr@xxxxxxxxx
Providenza & Boekelheide, Inc.
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