[wdmaudiodev] Re: wasapi audioclientproperties
- From: "Vincent Burel \(VB-Audio\)" <vincent.burel@xxxxxxxxxxxx>
- To: <wdmaudiodev@xxxxxxxxxxxxx>
- Date: Thu, 12 Jun 2014 08:35:31 +0200
As possible reference, note the existing HIFI-Cable: bit perfect and high
definition virtual audio device that can be routed to audio pro device
thanks to ASIO Bridge (more and more used by audiophiles as far as I know).
Download and info on www.vb-cable.com
Regards
Vincent Burel
www.vb-audio.com
De : wdmaudiodev-bounce@xxxxxxxxxxxxx
[mailto:wdmaudiodev-bounce@xxxxxxxxxxxxx] De la part de gordon keith
Envoyé : mercredi 11 juin 2014 21:21
À : wdmaudiodev@xxxxxxxxxxxxx
Objet : [wdmaudiodev] Re: wasapi audioclientproperties
Am just trying to get the best sound out of the hifi, there are a lot of
people who are dissatisfied with the digital sound of computer sourced music
and this was an attempt to see/hear what an optimised player sounded like,
surprisingly it has made a difference.
have looked at the ks sample before, but haven't seen a version that works
on win7/8.
the raw flag has a small effect, would rather have it on than off.
have never really warmed to the sound of asio players.
there are loads of people running win server 2012 r2 on headless i7 machines
to try and get the best sound quality, the player software is just another
part of the puzzle.
cheers
_____
From: Matthew.van.Eerde@xxxxxxxxxxxxx
To: wdmaudiodev@xxxxxxxxxxxxx
Subject: [wdmaudiodev] Re: wasapi audioclientproperties
Date: Wed, 11 Jun 2014 18:48:02 +0000
The PCM-ness is determined by the WAVEFORMATEX you pass to
IAudioClient::Initialize, not by anything you pass to
IAudioClient2::SetClientProperties.
Since youre using exclusive mode anyway, I dont think passing the raw
mode flag will have much of an effect. You can think of raw mode as a way
to get the I can bypass processing that I really dont want because X
benefits of exclusive mode without having to put up with the nasty but
nothing else can play now drawbacks.
If youre really interested in direct kernel streaming, theres a sample
here: http://www.microsoft.com/en-us/download/details.aspx?id=18989
The DirectKS sample application program demonstrates how a user-mode client
can achieve direct access to kernel streaming (KS) filters.
You might also explore the ASIO streaming model, which is another way to
talk directly to the driver. (This isnt a Microsoft API, though, so
Microsoft wont be able to support you.)
Like Frank, Im interested to know *why* you want to get so close to the
metal. Can you give some more detail?
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