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Topic: Windows 7 Disconnecting USB Sound Mid-set!?

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On a HP Pavillion DV6 3080tx
i7 720
Win7 Home premium x64
8GB ram

The music just stops (interface still works), I can go into config, sound setup, click apply and the music will restart. Sometimes after a hour, sometimes more. The sound card is fine as 2 other DJs are using it (under vista)

I first had VDJ set for "Primary Sound" as I had always done on my WIN XP system, as my USB sound-card (Aurion 5.1) always became the primary device when plugged in. For 7 years this worked fine.

Last night it froze after 1 hour on a packed sat night (as I noticed the interface still responding). I set sound config to "Usb sound" pressed apply, and the track continued on again. A hour later during a production show while the laptop was not being used the other dj reported it had frozen yet again and he couldn't play a piece of intro music.
As a last ditch effort, I disabled all other sound devices, it played for another 2.5 hours with no issues. I'm now doing some proper bench testing, to see what the heck is going on.

Has anyone else had these symptoms, that has found a solution, or am I already on the right track with W7 mucking around with my sound device mid set.
 

geposted Sun 12 Sep 10 @ 6:01 am
I don't know what's going on there I'm afraid, but I just thought I'd mention that for me, I keep my windows sound control panel on the in built sound card and then set my firewire card (but I used to have a usb one and that worked the same) in vdj.

There's also the possibility of your usb being powered down by windows if it thinks it's not in use?

Here's an article showing how to turn it off. It's about win xp but it works the same in win 7. Just go to control panel, Hardware & Sound, Device Manager.

http://helpdeskgeek.com/windows-xp-tips/prevent-windows-from-powering-off-usb-device/
 

Thx Andy, Usb power control has been turned off prior. However I can now confirm win7 is disconnecting my sound card.

Under test, after 5 hours the music stopped. My home sound card is the same as the one at work, but my hone one has its activity LED visible. when the card is active or in use by a device, it flashes, when simply connected, it just stays on. So after the music stopped, the LED came on solid, so I know win has dissconnected it for some reason.
I am now testing again with all other sound devices disabled to see if the problem is that the usb sound is being disconnected or if another device is over-riding it.

What Id like to know is why?
 

Nope that didnt work, 30 minutes later with all other devices disabled, it dropped the soundcard again.

I have now disabled the "Allow exclusive control" option for the usb sound device to see what happens. It may sound stupid, but if another device or program (IE HP bloatware) is taking exclusive contropl of the card, it would knock VDJ offline for the sound card. Allowing everything access freely may allow vdj and another programme to share the device, without knocking VDJ offair.
 

Spoke too soon, it went again 5 min later.... wtc!?
 

Two things to check:

1. Are there any USB devices plugged in beside that sound card's plug? I have an NS7, NSFX and Asus desktop with a whole crap load of USB ports. See below:



When I plugged the NS7 and the NSFX in the 2 ports next to eachother (circled in red) and so much as breathed in the same direction as my PC, I got the same issue. But, I could play a whole set as long as I stayed away from it. When I figured out that the plastic/rubber around the USB plugs was too much to be right next to each other, I just moved one plug to the the set below and have never had an issue since.

2. Do you have a Wireless multimedia keyboard? I use to have a Logitec one that even had a power supply (that I did use) for the base and if my USB hard drive was plugged in and I moved the volume wheel, my PC would say there was a power surge on the USB buss and it would stop responding.

Maybe a third idea, find out if all of you power options are set to "never". Like Hard Drive never sleep. I figure if you already did that to the USB, you probably did all the obvious stuff. But I am just checking.
 

Thx for the reply, dont think its a power issue, it has its own port (laptop) and the only other thing plugged in is a dac2.
dont think its a device issue as im now testing with a completely different dac2 and usb sound card. The dac2's use no power as they are externally powered.

I can however force the freeze by going into sound settings for the device, enabling and disabling the effects option in the cards settings. Windows seems to reset the device freezing VDJ until you re-press ACTIVATE in sound settings to start it again.

Current test has about 5 or so HP***.exe processes in task manager shutdown, as I suspect its a HP based program mucking around witht the system and causing the problem. so far its been going for a hour.

This is most painful as it can take anything up to 6 hours to happen, yet sometimes happen after just 30 minutes, its a darn long and tedious process of trying to find the fault.
 

I've found this, but it only happens to me when i plug something else in like lights? it can be on a completely separate circuit, but it will still go off.
Is anything powering up when it goes off? anything switching on at all,?

it baffled me for a while, but its caused by a spike in the power thats running down the usb.
 

This happened to me after 30 min or so. Sound just dropped off.

Windows 7 home and Toshiba laptop. Simple USB audio device running as WDM.

Now the 'allow turn off power' was checked and I un-checked. Then seemed to behave for over 60 minutes.

This has me spooked as I JUST converted my main rig over to Windows 7 and use a Gigaport HD for audio. So far, autoplay works fine for a couple hours but never tried long term.

This is NOT cool.
 

sc0ttdj wrote :
I've found this, but it only happens to me when i plug something else in like lights? it can be on a completely separate circuit, but it will still go off.
Is anything powering up when it goes off? anything switching on at all,?

it baffled me for a while, but its caused by a spike in the power thats running down the usb.


This has happened to me as well, once when plugging in lights, once when touching a metal screw on the side of the mixer ( A usb mixer) and received a slight static discharge as I did, and one time when I plugged in a usb camera in another port, another time I plugged in two audio jacks in another channel. I was using a karaoke program during these times but VDJ was on in the background.


Is there something with the sensitivity of USB outputs that can cause these things.

I use a laptop 2 gB with XP.
 

This happened to me after 30 min or so. Sound just dropped off.

Windows 7 home and Toshiba laptop. Simple USB audio device running as WDM.

Now the 'allow turn off power' was checked and I un-checked. Then seemed to behave for over 60 minutes.

This has me spooked as I JUST converted my main rig over to Windows 7 and use a Gigaport HD for audio. So far, autoplay works fine for a couple hours but never tried long term.

This is NOT cool.

This has also happened to me where the sound just stops for no apparent reason, Seemed to start after I had downloaded the latest (Version 7) of VDJ. Don't know if it can possibly be a bug with version 7. Very scary with this happening at a gig. I am using a Dell inspirion laptop, windows 7, berringer sound card. Same as I have always used.
 

My laptop is coming close to 24 hrs of play - and no sound dropout.

So looks like the USB check box and exclusive access change fixed it.

Can only hope worst case this is a laptop only issue. Also, has this issue impacted other versions of VDJ or other DJ software?
 



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