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Windows 7: WASAPI not working does it need soundcard capable


19 Oct 2009   #1

Windows 7 Ultimate x64 build 7600
 
 
WASAPI not working does it need soundcard capable

Using JRMC I cant get sound when I switch to WASAPI, only direct sound & wave output works.

If I switch to ASIO or WSAPI there is no sound & the program hangs.
I have a creative audigy value sound card is it not capable of WASAPI or does it not work on windows7 x64 version yet?

My System SpecsSystem Spec
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19 Oct 2009   #2

Windows 7 x64 Ultimate SP1
 
 

If you are using WASAPI, the output from your media player has to match the capabilities of the card, otherwise all you'll get is silence.

So, if it is 24-bit sound capable, you have to send 24-bit output to it.
My System SpecsSystem Spec
19 Oct 2009   #3

Windows 7 Ultimate x64 build 7600
 
 

Strange things happening, Its indeed a 24 bit card & I cant play the sound using 24bit, but when I change the Speaker properties to 16 bit,48000 DVD quality & in JRMC it still remains 24bit as output the sound plays fine using the WASAPI.

Bit confused whats happening what I am doing wrong?


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WASAPI not working does it need soundcard capable-2009-10-19_200938.jpg  
My System SpecsSystem Spec
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19 Oct 2009   #4

Windows 7 x64 Ultimate SP1
 
 

Too many channels? Buffer length (should be 2000 ms methinks..)?

Dunno, I test WASAPI with foobar, and it plays 24 bit - but I think that it sends 44100 Hz sound..
My System SpecsSystem Spec
19 Oct 2009   #5

Windows 7 Ultimate x64 build 7600
 
 

Found some good reading in these threads, hope its useful for others who might need the same info.
WASAPI output in Vista and above

Question about WASAPI and other audio output modes
My System SpecsSystem Spec
19 Oct 2009   #6

Windows 7 Ultimate x64 build 7600
 
 

Quote   Quote: Originally Posted by Teerex View Post
Too many channels? Buffer length (should be 2000 ms methinks..)?

Dunno, I test WASAPI with foobar, and it plays 24 bit - but I think that it sends 44100 Hz sound..
I have 4.0 speakers & tahts what I have chosen in options
I have set 3 sec buffer length

I now see many sub options related to WASAPI so I guess I need to experiment with them.
My System SpecsSystem Spec
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 WASAPI not working does it need soundcard capable




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