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Melchior



Joined: 01 Oct 2004
Posts: 9604
Location: Palm Beach

Posted: Sun Apr 02, 2006 2:18 pm    Post subject: Speaker Question  

This will probably be the dumbest thread ever started in PC-Tech Talk...

I'm blasting away my music (on the computer), and I pass my hand over the speaker to adjust the volume... and what feels like air is coming out.

WTF is that?
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Pebble



Joined: 12 Nov 2005
Posts: 1143

Posted: Sun Apr 02, 2006 2:21 pm    Post subject:  

Basic physics dude, sound is energy and is transmitted as waves, the speakers vibrate to produce these waves, if you turn the volume up enough you can feel that.

(I think)
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Melchior



Joined: 01 Oct 2004
Posts: 9604
Location: Palm Beach

Posted: Sun Apr 02, 2006 2:23 pm    Post subject:  

I guess that makes sense, but I hate physics so I won't inquire any further. :lol:

I don't believe my livingroom speakers have ever done that, but now I notice with these little speakers on my PC.
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Pebble



Joined: 12 Nov 2005
Posts: 1143

Posted: Sun Apr 02, 2006 2:41 pm    Post subject:  

Maybe a different type? I don't like physics either so don't take what I say as read. :)
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Secondary Oak



Joined: 02 Oct 2004
Posts: 3418
Location: Haifa

Posted: Sun Apr 02, 2006 4:06 pm    Post subject:  

Sound is vibrations in the air, so with strong enough sound you can feel it. Your ears are simply a lot more sensitive to those vibrations (at certain frequencies), so they can detect it way before your hand (for example) can.
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David



Joined: 28 Dec 2003
Posts: 12381
Location: Louisiana

Posted: Sun Apr 02, 2006 7:20 pm    Post subject:  

http://www.howstuffworks.com/speaker.htm
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PricklySponge



Joined: 11 May 2005
Posts: 9411

Posted: Mon Apr 17, 2006 11:46 pm    Post subject:  

I'm doing system restore. The thing that worries me, though, is that the only restore point available to me ( I know I have made restore points in the past..) looks like it might be around the time i got this virus... :-|

EDIT. Just restored and everything is the same

Double edit: Are the processes " lsass.exe", "services.exe", "csrss.exe", smss.exe" critical processes that cannot be stopped by task manager?

Triple EDIT: I just realized I wrote this in the wrong thread :?
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David



Joined: 28 Dec 2003
Posts: 12381
Location: Louisiana

Posted: Tue Apr 18, 2006 3:07 am    Post subject:  

"lsass.exe" is the Local Security Authentication Server. It verifies the validity of user logons to your PC/Server. It generates the process responsible for authenticating users for the Winlogon service. This process is performed by using authentication packages such as the default Msgina.dll. If authentication is successful, Lsass generates the user's access token, which is used to launch the initial shell. Other processes that the user initiates inherit this token.

services.exe is a part of the Microsoft Windows Operating System and manages the operation of starting and stopping services. This process also deals with the automatic starting of services during the computers boot-up and the stopping of servicse during shut-down. This program is important for the stable and secure running of your computer and should not be terminated.

csrss.exe is the user-mode portion of the Win32 subsystem (with Win32.sys being the kernel-mode portion). Csrss stands for client/server run-time subsystem and is an essential subsystem that must be running at all times. Csrss is responsible for console windows, creating and/or deleting threads, and some parts of the 16-bit virtual MS-DOS environment.

smss.exe is the session manager subsystem, which is responsible for starting the user session. This process is initiated by the system thread and is responsible for various activities, including launching the Winlogon and Win32 (Csrss.exe) processes and setting system variables. After it has launched these processes, it waits for either Winlogon or Csrss to end. If this happens "normally," the system shuts down; if it happens unexpectedly, Smss.exe causes the system to stop responding (hang).



Yes you need them running.
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cap'n queasy



Joined: 15 May 2004
Posts: 34968

Posted: Tue Apr 18, 2006 3:23 am    Post subject:  

PricklySponge wrote: I'm doing system restore. The thing that worries me, though, is that the only restore point available to me ( I know I have made restore points in the past..) looks like it might be around the time i got this virus... :-|

EDIT. Just restored and everything is the same


http://support.microsoft.com/kb/q263455/

Now you're probably going to have to reformat your HD if this fix doesn't work.

Do you have Windows ME?
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