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Multimedia Class Scheduler Is it needed? Rate Topic: -----

#21 User is offline   Petrarca 

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Posted 18 May 2008 - 03:26 PM

View PostTranceEnergy, on May 18 2008, 06:24 PM, said:

Please note, if you also remove dependency for the windows audio endpoint service, you can stop it and disable it as well.
Audio will still work! The less services required for vista to run properly, the better imho.
I just tested windows sounds themes, and sound themes works ok apparently.

Cool? Perhaps this info could be added to post #1.

Sounds good B)
How do you remove the dependencies?


#22 User is offline   TranceEnergy 

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Posted 18 May 2008 - 04:45 PM

View PostPetrarca, on May 18 2008, 11:26 PM, said:

View PostTranceEnergy, on May 18 2008, 06:24 PM, said:

Please note, if you also remove dependency for the windows audio endpoint service, you can stop it and disable it as well.
Audio will still work! The less services required for vista to run properly, the better imho.
I just tested windows sounds themes, and sound themes works ok apparently.

Cool? Perhaps this info could be added to post #1.

Sounds good B)
How do you remove the dependencies?



HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\AudioSrv

note:

From there, select DependOnService, and remove dependencies there. NB: First STOP services, (audio service will stop too, as it thinks currently it needs mmcs and wapb, but once dependencies are removed it will happily start without them)then set them to disabled or manual, before removing dependencies. I have only tested some games and windows sound themes. Vista runs without these two services just fine!! How's that for bloat? =)) There are lots more thats safe to remove on dependencies, but trying to stay on topic =)
It should look like this after removing both (notice that there is a EMPTY line after the Rpcss service, i dont know if u need to have it, but it's there on default so..) If someone would like to do some benching on before and after, that would be cool.

Attached File(s)


This post has been edited by TranceEnergy: 18 May 2008 - 04:52 PM


#23 User is offline   naserbaser 

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Posted 18 May 2008 - 05:27 PM

View PostTranceEnergy, on May 18 2008, 04:45 PM, said:

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\AudioSrv

note:

From there, select DependOnService, and remove dependencies there. NB: First STOP services, (audio service will stop too, as it thinks currently it needs mmcs and wapb, but once dependencies are removed it will happily start without them)then set them to disabled or manual, before removing dependencies. I have only tested some games and windows sound themes. Vista runs without these two services just fine!! How's that for bloat? =)) There are lots more thats safe to remove on dependencies, but trying to stay on topic =)
It should look like this after removing both (notice that there is a EMPTY line after the Rpcss service, i dont know if u need to have it, but it's there on default so..) If someone would like to do some benching on before and after, that would be cool.


I just tested this, everything works great, music, spdif out and so on. No problems what so ever.
Would you mind pming or posting a link or something for more info about those other dependencies that's safe to remove :)

I'm getting really interested here :)

#24 User is offline   TranceEnergy 

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Posted 19 May 2008 - 03:30 AM

Depending on what you want or need for vista to function, you can get it down a lot.
I'm currently in a Vista ultimate x64 sp1 msdn version, everything integrated from dreamscene to sound themes to bitlocker. Runs at a cool 20 processes, and everything is *enabled*, i havent removed sh*t, everything is there. So if there ever will come that i should need such services, i still have them =) As far as finding what services u can safely remove dependencies etc, i think u are on your own. I have made 4-6 network services disabled safely, and can still surf lan and internet. Good sites to read on what services are doing in windows, i mostly think eldergeek.com first and blackviper second. But mostly i just use the info displayed in the msc console itself, ie services.msc. Now maybe i should do a backup before i tweak it too much =) Oh and get rid of the bloody keyboard layouts. Took half a second off here =)

11+ ppl saying no in the poll. Apparently the red warning in vlite scares people =) Not good..

This post has been edited by TranceEnergy: 19 May 2008 - 03:33 AM


#25 User is offline   nuhi 

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Posted 19 May 2008 - 04:13 AM

TranceEnergy, and you will just ignore what MagicAndre1981 and I said, that it is needed for onboard. There is more people using onboard than dedicated cards. Updating description is maximum I can do for this dangerous component. Vista does not have direct hardware access to the soundcard but Creative has it's own bloated driver that solves that latency issue.

#26 User is offline   TranceEnergy 

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Posted 19 May 2008 - 06:33 AM

View Postnuhi, on May 19 2008, 12:13 PM, said:

TranceEnergy, and you will just ignore what MagicAndre1981 and I said, that it is needed for onboard. There is more people using onboard than dedicated cards. Updating description is maximum I can do for this dangerous component. Vista does not have direct hardware access to the soundcard but Creative has it's own bloated driver that solves that latency issue.


I dont understand what you are talking about?! I'm sorry, but i am using onboard sound as well.
Also computer browser,file sharing etc, all running without them other new network list and whatnot, totally utterly crap services added only for fancy pancy map functions for lan. I might be going always a bit further in some conversations, but i swear, this totally works on my onboard anyway.
It's also a micro-atx mainboard, so it aint that fancy, its actually quite cheap about the same as 3 good pints =)

Also, I dont ignore anything, well if im not drunk, but i havent been in these conversations i think =) I have been tweaking computers since forever. Heck my xp boots at 8 seconds with file sharing and all. Still it doesnt beat my amiga 1200 thats boots in 5seconds from powering on computer!

Cheers!

Attached File(s)


This post has been edited by TranceEnergy: 19 May 2008 - 06:38 AM


#27 User is offline   nuhi 

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Posted 19 May 2008 - 01:43 PM

TranceEnergy, no reason to feel attacked, I am simply saying you can't ignore us who say that the service is needed, otherwise the sounds crackles during heavy CPU utilization. If it works for you remove it but I gotta keep the warning.

#28 User is offline   TranceEnergy 

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Posted 19 May 2008 - 03:32 PM

If computer's cpu is heavily utililzed when playing off video, then the computer most likely never should have run vista in the first place.
I take it this is a joke? Seriously, i have a 700mhz duron cpu, it doesnt bloody complain. If you guys are running vista on p2-350mhz and are reporting to nuhi that it doesnt work to remove this service, seriously, vista wasnt made for that crap.

I went to creative.com website and the last driver that i could find for the live card was from 2007, and it was 1.04.0065 which differed from the previous beta from 2006 which was 01.04.0055 . Does it look like creative is thinking they need to support such products?
Well does it? As for the Via soundchip driver, a company who doesnt even own its own name online. Well darn', i cant even think of what to respond to that. I guess i didnt know Vlite was a tool to make vista work for windows 98 hardware. =)

In the end, for most computers, made for vista, i have tried ac97, realtek hd audio, x-fi xtreme, with low end cpu, with high end, and taking into consideration that realtek is by far, the mother&father of most onboard anything on any motherboard, it will probably work without them.

The computer doesnt do errors, people do.

#29 User is offline   Legolash2o 

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Posted 19 May 2008 - 04:45 PM

Just for your information, not everyone uses vLite so vista run faster.... i use vLite because i don't like having things i don't need, i hate junk. I got a Quad-Core n 4TB of hdd space, full vista runs fine but i just really hate junk. So please don't be as hostile.

This post has been edited by LegoLiam™: 19 May 2008 - 04:46 PM


#30 User is offline   shahed26 

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Posted 19 May 2008 - 05:15 PM

View PostLegoLiam™, on May 19 2008, 11:45 PM, said:

Just for your information, not everyone uses vLite so vista run faster.... i use vLite because i don't like having things i don't need, i hate junk. I got a Quad-Core n 4TB of hdd space, full vista runs fine but i just really hate junk. So please don't be as hostile.

same here, i hate junk stuffs filled up in vista iso. my system spec is very similar to yours, and have no problem on a normal vista install. but i prefer removing junk stuffs from vista x64 with vlite. thanks to NUHI for his awesome vlite. seriously because of vlite vista is good or else its just a junk OS with sluggish performance.
btw i am migrating to server 2008 x64 from vista. had enough of vista sp1 problems eg. overall system performance, specially file copy issue still after sp1, not fully stable and so on...
server 2k8 with Multimedia schedular removed did the trick for me when copying files, and is much faster and stable compare to vista
this is a great topic (thanks to you LegoLiam), and it helped me speed things up a little by removing Multimedia schedular, which i never did remove in the past because it was an extreme option.

#31 User is offline   nuhi 

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Posted 19 May 2008 - 05:28 PM

TranceEnergy, I don't get your point but I don't like your tone either so don't bother.

#32 User is offline   TranceEnergy 

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Posted 19 May 2008 - 07:33 PM

My point is that it will prolly work for most modern hardware and perhaps not for legacy hardware. This is internet, and that you can say that i have a tone is to put it mildly a bit weird, all language barriers put aside, considering not even that.
If you are not used to discussing things openly and don't like it that i can show readers that it indeed does work to disable the wapb service as well, so that other people can get a system more to their liking, then nor do i understand you. Disabling both services works for me and only difference so far from what i have experienced is that the sound enviroment effects are gone. However all the other effects are still useable, not that i use them anyway.Why you think i am being hostile, instead of excited is far beyond me.There's a difference you know.
Legoliam: Good for you. Talking about how much harddrive space you have is ok i guess.

edit: it's kinda disappointing you couldnt see that i'm simply happy for nailing one more service on the removal list. On what possible grounds should i be hostile for?

Also for those of you experiencing problems with audio sound after or before even dealing with audio services, try and run DPC Latency checker to see whether or not your system has dpc problems, which could be a part of the problem with audio 'tickles' and such.

This post has been edited by TranceEnergy: 19 May 2008 - 07:52 PM


#33 User is offline   shahed26 

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Posted 19 May 2008 - 09:42 PM

TranceEnergy calm down your going a bit too deep..lol. :P
anyways am sure Microsoft did put this multimedia class scheduler for a reason on vista, and obviously nuhi has more experience than any of us here discussing this. Nuhi has a point for making this extreme, its for overall safety for people who MIGHT experience problems by removing this component.
if its all good and working after removing this component then you go ahead.
multimedia class scheduler is labeled extreme, because am sure nuhi wants people to use vlite with confident knowing it wont mess things up after using vlite.

This post has been edited by shahed26: 19 May 2008 - 09:43 PM


#34 User is offline   cable_loco 

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Posted 19 May 2008 - 10:24 PM

No problems here.

realtek ac'97 onboard audio

#35 User is offline   anonymous_user 

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Posted 20 May 2008 - 05:18 PM

Disabling Multimedia Class Scheduler caused stuttering for me (Realtek AC97) :thumbdown

However as a consolation prize, I followed TranceEnergy's instructions and was able to disable Windows Audio Endpoint Builder with no ill effects so far :thumbup

#36 User is offline   TranceEnergy 

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Posted 20 May 2008 - 06:58 PM

If this is causing you stuttering, can i ask what cpu you have? You might want to check into tweaking critical worker threads, i use the maximum, that is safely known as 16. Its 0 at default, which either means 0 or automatic, lol.

There are many things that could cause stuttering, but just because these two services are disabled/removed, i dont think necessarily that is the culprit. Vista is a bloody all purpose thing. I went into the Group Policy editor and came across the hybrid disk cache settings.
As i dont have any SSD disks, i disabled the whole lot, and enjoyed a little bit faster boot =)

Thank you for trying this folks, much appreciated! ;D

#37 User is offline   anarkhy 

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Posted 20 May 2008 - 07:35 PM

Works for me too. On board Conexant HD audio.

#38 User is offline   TranceEnergy 

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Posted 20 May 2008 - 08:37 PM

View Postanarkhy, on May 21 2008, 03:35 AM, said:

Works for me too. On board Conexant HD audio.


Perfect! What kind of board is that? New or old?

#39 User is offline   cable_loco 

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Posted 20 May 2008 - 09:43 PM

View Postanonymous_user, on May 20 2008, 07:18 PM, said:

Disabling Multimedia Class Scheduler caused stuttering for me (Realtek AC97) :thumbdown

However as a consolation prize, I followed TranceEnergy's instructions and was able to disable Windows Audio Endpoint Builder with no ill effects so far :thumbup



Try importing the following code into your registry and reboot.

Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Audiosrv]
"Start"=dword:00000002
"DependOnService"=hex(7):52,00,70,00,63,00,53,00,73,00,00,00,00,00

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\MMCSS]
"Start"=dword:00000004

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\AudioEndpointBuilder]
"Start"=dword:00000004



copy and paste into a plain text document, save and change extension from .txt to .reg then import (double click)

Please post results. !!

#40 User is offline   anarkhy 

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Posted 21 May 2008 - 12:55 AM

View PostTranceEnergy, on May 20 2008, 11:37 PM, said:

View Postanarkhy, on May 21 2008, 03:35 AM, said:

Works for me too. On board Conexant HD audio.


Perfect! What kind of board is that? New or old?


Don't think its too old, the laptop is new, a compaq c700

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