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Windows 7: Audio/Video Stutter/Hesitation

29 Jan 2010   #11
Tjoe

Win7
 
 

rats - I thought someone here had the answer to this.

My system: brand new Win7 x64, 8gb ram, Intel i7 quad.

Problem happens regardless of the media player: WMP 12, or WinAmp 5.57, VLC. WMP and VLC make a blip noise during the stutter, WinAmp just has little micro-stutters. These stutters occur about every 1/2 second (pretty much a regular beat too).

The problem for me is it occurs ONLY on streaming audio. Does NOT occur on downloads of any kind: Youtube, m3u files, local mp3 files, etc. The audio that I am streaming works perfectly on the exact same network using my WinXP and Win2K pcs so I know that it isn't the source or bandwidth. M3U files load smoothly and easily outpace the playback, as do youtube files.


My System SpecsSystem Spec
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29 Jan 2010   #12
Tjoe

Win7
 
 

Okay - now for the kick in the pants...

I opened a VM session of XP, launched WMP (it had to validate windows to finish install of WMP 11) and the sound is now perfect!

so... is it a quad-core issue? I know that there are some Quad Core issues with audio. I run an internet radio station and use Spacial Audio's SAM Broadcaster. Someone in their forum found an issue that directly related to multiple core processors. However, that bug caused the cpus to max out and the patch was specific to the program (SAM).
My System SpecsSystem Spec
29 Jan 2010   #13
AngelProcesser

 

How many channels are running in both cases? Is this the same?
My System SpecsSystem Spec
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30 Jan 2010   #14
Tjoe

Win7
 
 

just regular stereo - 2 channels. That's what you were asking, yeah?

Your question sparked something else in my head though: DirectX. Win7 has version 11 and the VM session of XP is showing version 9. Could this be a DirectX issue? My IT guy is testing to see if this is a 32-bit vs 64-bit issue.
My System SpecsSystem Spec
30 Jan 2010   #15
AngelProcesser

 

Please list your audio equipment.

Also, indexing first has to index and with large disks and libraries this can take time.

You can review in indexing options if the index has completed building or not.

I do not suggest turning it off.
My System SpecsSystem Spec
30 Jan 2010   #16
kncowans

Windows 7 Ultimate x64
 
 

Hello all

Just to add to this discussion, I have an ATI HD 5770 1GB and I am also suffering with stuttering videos.

My full specs are a follows:

Gigabyte GA-EP45DS3P Motherboard
Gigabyte GV-R577D5-1GD Gfx Card
Intel Core 2 Quad Q9650 @ 3Ghz
Windows 7 Ultimate x64
8GB DDR2 Ram (4-4-4-12)
2 x WD Caviar Black 1TB SATA HDD
LG SuperBlue BD Drive
Dell SP2309W Monitor

All my Drivers are upto date including BIOS, Chipset, Monitor, Gfx, Devices, Software etc.

No additional Codecs installed.

I am having problems with Movies which are stuttering, i.e. every couple of seconds it looks as though a frame is dropped, this happens all through the Movies, and makes them very uncomfortable to watch.

I have tried Quicktime, Media Player, VLC, Media Center and all have the same problem.

I am seriously considering installing XP Mode in hopes this will solve the problems I am having.

Thanks in advance

Kevin
My System SpecsSystem Spec
30 Jan 2010   #17
AngelProcesser

 

kncowans,

Your hardware seems well above what is required for excellent HD video using WMC. Did you do an upgade to W7 or was it a new install?

I would review if all the required HD componenents have the latest drivers by checking the manufacturers website.
My System SpecsSystem Spec
31 Jan 2010   #18
kncowans

Windows 7 Ultimate x64
 
 

Hello

The computer is a new build and Windows 7 is a clean install.

All Drivers are upto date.

Thanks in advance

Kevin
My System SpecsSystem Spec
31 Jan 2010   #19
Wishmaster

Windows 7 Home Premium 64bit
 
 

I have a similair set up and have no issues with 1080P MKVs, even those exceeding a bitrate of 16K w/Win7 64

The only difference is I use Haali splitter and ffdshow (or Hardware acceleration), not Win7s built in.

Have you tried this to see if helps any?
My System SpecsSystem Spec
31 Jan 2010   #20
kncowans

Windows 7 Ultimate x64
 
 

Hello Wishmaster

What would I need to setup ffdshow and the Haali Splitter?

Thanks in advance

Kevin
My System SpecsSystem Spec
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 Audio/Video Stutter/Hesitation




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