Asio drivers

Not specifically Sonar related folks but a problem I've come up against. 
 
I have a Tascam US-4x4 interface and want to run simultaneous applications through it. For example play my guitar through Sonar/TH3 and switch to YouTube to hear a video when I'm learning a song for example. I don't have a guitar amp so can only play my guitar through a DAW.
 
I understand this is a limitation of ASIO, but is there a way around it? Bought a guitar tuition course last week through Udemy and I want to be able to play the videos in the course, hear them, and play my guitar along with the tuition. Can't do it. Real pain. 
 
Thanks 
 
Dave 

Thanks. You can set the sample rate in Windows? Couldn’t see that option when I looked.

Still not sure your suggestion works. Simultaneous use of ASIO drivers seems to be a limitation of ASIO itself. It’s a known issue. Steinberg apparently released a ‘wrapper’ that enables it but that’s outdated now. Yes I do want to run everything through my Tascam interface.

But nevertheless, thanks for your suggestion!

Dave

My 'PC speakers and 'Studio' speakers are one and the same thing. When I try and run two things simultaneously I get a message saying something like 'your resources are being used by another application'. Or words to that effect.
 
And it definitely is an issue that some ASIO drivers allow only one application at a time to access the audio interface. 

yellowcake64
Thanks. You can set the sample rate in Windows? Couldn’t see that option when I looked.

The sample rate in Windows is set from the Windows Control Panel Sound setup screen. In the playback tab click on the default device to enable the properties button. Click properties. The sample rate setting in on the Advanced tab in properties.
 

yellowcake64
Still not sure your suggestion works. Simultaneous use of ASIO drivers seems to be a limitation of ASIO itself. It’s a known issue.

Works for me and has on several machines with different external audio interfaces. The only programs that can use ASIO on my PC are DAWs, stand alone synths, VST hosts, video  and audio editors. Since latency is only an issue with DAWs, stand alone synths and VST hosts, they are the only programs I configure to use ASIO. I have never needed more than one of them running at a time. Programs like browsers and media players do not use ASIO. The regular windows drivers work just fine for everything and I have no trouble using my DAW and other programs at the same time with all the audio playing through my external interface.
 
Of course, the interface can only play at one sample rate at a time. This is why it is important that all the programs using ASIO and Windows have the same sample rate.

Windows can be a bit flaky on how it lets applications allocate the audio drivers, which is why I use a second speaker system on the Realtek chip and set that as the "default device" in Windows.
 
Barring the above option (if not feasible), you may want to try ASIO4ALL, which is actually a WDM wrapper that looks like "ASIO" to Windows applications. That may be the "wrapper" you were referring to in your second post.
 

Not sure if things have changed, Tascam updated the drivers to my us1641 in Dec 2014. 
 
It has always been the only audio device and that's with a few different computers and using W7, W8.1 and W10. I have all other audio devices disabled. I always use 44.1hz which I think is one reason it always works.
I can open Sonar, Wave Lab and WMP or Win Amp all at the same time no problem.  But--It won't play a video in VLC or WMP at the same time Sonar is open because those are often 48hz. 
So try setting Sonar to 48 and playing the video. 

scook
Media sample rate does not matter on my PC. I can play videos that have audio at 48kHz while running SONAR at 44.1kHz. Tried with VLC 2.2.6 among other players. As mentioned above, I have used different interfaces (M-Audio, Presonus and RME) on different PCs running different OSes (XP, Win7 and Win10) all with the same results, But maybe it is an issue with Tascam devices.

i suspect that those drivers that require the same sample rate in windows as the daw are somehow going via the windows audio stack, rather than real direct-to-hardware-asio which bypasses that? (c.f., asio4all)

ok, i always thought asio worked a bit different as it's not the driver windows is using