dougalex
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Use WASAPI with Windows 10?
Cakewalk article says regarding Windows 10:
"Lower Latency: 15ms lower roundtrip latency using WASAPI (shared mode)."
Does that mean in Windows 10, WASAPI might now be lower latency than ASIO?
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BlixYZ
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Re: Use WASAPI with Windows 10?
2015/09/09 20:58:07
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I've never successfully used WASAPI with any interface- usb, or "on-board".
What's it all about?
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teego
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Re: Use WASAPI with Windows 10?
2015/09/09 21:21:17
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If I remember correctly the article you quoted said 15ms lower latency placing it near to that of ASIO. I tried the wasapi drivers when I had Windows 10( I have since rolled back to 7) and the reported latency was the same as ASIO the way I had it set up. I didn't gain or lose so I went back to ASIO.
post edited by teego - 2015/09/09 21:34:31
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promidi
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Re: Use WASAPI with Windows 10?
2015/09/09 21:52:23
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dougalex
Cakewalk article says regarding Windows 10:
"Lower Latency: 15ms lower roundtrip latency using WASAPI (shared mode)."
Does that mean in Windows 10, WASAPI might now be lower latency than ASIO?
I am getting 6ms round trip with Windows 7 64bit (fully patched) set to ASIO using an ASUS XONAR DS PCI card driven by Sonar Platinum (fully patched). I am not experiencing any dropouts , clicks or pops during payback. I do not plan to upgrade to Windows 10 at this time (This may change in the medium future)
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joden
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Re: Use WASAPI with Windows 10?
2015/09/09 22:59:44
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WASapi is supposed to be the Windows equivalent to ASIO, and up to a point it is not too bad. I have used it myself and the latency in low level projects is pretty decent. But ASIO it is not. One thing though you can use it alongside ASIO (although NOT within the same Audio software)...mind you that was in W7, not sure about 8 and 10.
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dougalex
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Re: Use WASAPI with Windows 10?
2015/09/10 06:32:53
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promidi
I am getting 6ms round trip with Windows 7 64bit (fully patched) set to ASIO using an ASUS XONAR DS PCI card driven by Sonar Platinum (fully patched). I am not experiencing any dropouts , clicks or pops during payback.
I wish I could could 6ms, I have Dell M4600 Workstation, Win7 64bit, and using either Behringer X32 X-UF sound card or M-Audio ProTrack interface, I think am at 15ms round trip. That is almost at the point of "not usable for live performance using soft synths".
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Doktor Avalanche 
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Re: Use WASAPI with Windows 10?
2015/09/10 07:56:43
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According to MS themselves ASIO is still the 'best experience for DAWs' in Win10. Unless the driver is dodgy always use ASIO. ASIO bypasses a few layers so performance should be better.
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Sidroe
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Re: Use WASAPI with Windows 10?
2015/09/10 09:57:20
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I have some projects running as low as 2.5ms with ASIO. Standard for me on a heavy project is usually around 5ms. Tried WASAPI and could never get anywhere close as ASIO.
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dougalex
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Re: Use WASAPI with Windows 10?
2015/09/10 09:58:55
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Thank you, Doktor, I think that "puts it to bed". I will not have to waste time comparing ASIO to WASAPI in Win10.
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Anderton
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Re: Use WASAPI with Windows 10?
2015/09/10 10:07:58
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The only thing I'd add is that a Microsoft representative implied they would continue work on lowering Windows native latency and hope it will be equivalent to ASIO eventually. I think WASAPI is intended primarily to give consumers who don't even know what ASIO is a much better experience than MME.
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Doktor Avalanche
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Re: Use WASAPI with Windows 10?
2015/09/10 12:25:37
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Anderton
The only thing I'd add is that a Microsoft representative implied they would continue work on lowering Windows native latency and hope it will be equivalent to ASIO eventually. I think WASAPI is intended primarily to give consumers who don't even know what ASIO is a much better experience than MME.
They'd have to punch out a few layers to match ASIO, maybe very near but I doubt they will match it unless they create a brand new format. End of the day MME is going to be more targeted towards tablets and phones, and that's how it will succeed.
Sonar Platinum(64 bit),Win 8.1(64 bit),Saffire Pro 40(Firewire),Mix Control = 3.6,Firewire=VIA,Dell Studio XPS 8100(Intel Core i7 CPU 2.93 Ghz/16 Gb),2 x 1TB SSD (Samsung EVO 850),GeForce GTX 460,Yamaha DGX-505 keyboard,Roland A-300PRO,Roland SPD-30 V2,FD-8,Triggera Krigg,Shure SM7B,Yamaha HS5. Rap Pro,Maschine Studio+Komplete 9 Ultimate+Kontrol Z1,Addictive Keys,Waves Silver,Izotope Nectar elements,Overloud Bundle,Geist,Acronis True Image 2015.
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slartabartfast
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Re: Use WASAPI with Windows 10?
2015/09/10 14:51:30
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WASAPI apparently offers little advantage over kernal streaming in terms of speed. It is not so much designed for users as it is for developers who do not have to write all the code themselves in order to get that low level access. One limitation is that it is designed to handle multiple data streams simultaneously. That is potentially an advantage for users who want to use multiple audio devices, but understandably, the performance of WASAPI (CPU load) takes a serious hit when it is asked to do so. The weakness of ASIO (one driver at a time please) is also a strength (don't dump your crummy data in my stream).
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