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View Full Version : OT: Screen/voice capture quality is poor--ways to determine bottleneck



SithSpeeder
10-10-2006, 11:29 AM
I posted the following to an appropriate newsgroup, but thought you computer type folks in our community might have some valuable insight. I'm hoping the mods are OK with this. I have an idea creating a software tool that this community could use as well, and figuring this issue out could be beneficial for training folks on that as well.


I am trying to do a Screen and Voice capture using Windows Media Encoder 9 to create short training clips on how to use a particular piece of software.

The problem I am having is that when the recording is being made, my PC is grinding nearly to a halt. Specifically, every action (like clicking on a menu item) has a 1-3 second delay. Even the voice recording will drop out for a half second when clicking on something.

I'm not sure if it is software related due to:
1. Other applications taking up needed resources
2. Not optimizing/tweaking the Windows Media Encoder software correctly for my desired use.
2.a. 320x240 capture resolution (just too low to see details)
2.b. 640x480 capture resolution
2.c. 800x600 capture resolution
2.d 1000x800 capture resolution
2.e. Compression bit rates of 282 Kbps (29.97 fps) vs. 109 Kbps (15 fps)
3. XP Pro, Version 2002, SP2

OR

if it is hardware related due to the fact that my PC is 4.5 years old, specifically:
a. 2.2 GHz P4 with 512k Cache
b. Creative SB Live! R3 sound card
c. 120 Gb 7200 rpm hard drive
d 128 Mb NVidia GeForce4 Ti-4600 video card
e. 1 Gb RDRAM PC800

OR

if it is a display issue, tried:
i. 1600x1200x32, 1600x1200x16
ii. 1024x768x16

Can anyone suggest what I could try to make these captures smooth?

Or is there a utility that can determine the bottleneck?

Thanks for your time.
* _54th_Speeder *

***
One asks, many answer, all learn.
--Plato - on the 'Forum'
***

SithSpeeder
10-10-2006, 11:29 AM
I posted the following to an appropriate newsgroup, but thought you computer type folks in our community might have some valuable insight. I'm hoping the mods are OK with this. I have an idea creating a software tool that this community could use as well, and figuring this issue out could be beneficial for training folks on that as well.

<BLOCKQUOTE class="ip-ubbcode-quote"><div class="ip-ubbcode-quote-title">quote:</div><div class="ip-ubbcode-quote-content">I am trying to do a Screen and Voice capture using Windows Media Encoder 9 to create short training clips on how to use a particular piece of software.

The problem I am having is that when the recording is being made, my PC is grinding nearly to a halt. Specifically, every action (like clicking on a menu item) has a 1-3 second delay. Even the voice recording will drop out for a half second when clicking on something.

I'm not sure if it is software related due to:
1. Other applications taking up needed resources
2. Not optimizing/tweaking the Windows Media Encoder software correctly for my desired use.
2.a. 320x240 capture resolution (just too low to see details)
2.b. 640x480 capture resolution
2.c. 800x600 capture resolution
2.d 1000x800 capture resolution
2.e. Compression bit rates of 282 Kbps (29.97 fps) vs. 109 Kbps (15 fps)
3. XP Pro, Version 2002, SP2

OR

if it is hardware related due to the fact that my PC is 4.5 years old, specifically:
a. 2.2 GHz P4 with 512k Cache
b. Creative SB Live! R3 sound card
c. 120 Gb 7200 rpm hard drive
d 128 Mb NVidia GeForce4 Ti-4600 video card
e. 1 Gb RDRAM PC800

OR

if it is a display issue, tried:
i. 1600x1200x32, 1600x1200x16
ii. 1024x768x16

Can anyone suggest what I could try to make these captures smooth?

Or is there a utility that can determine the bottleneck?

Thanks for your time. </div></BLOCKQUOTE>
* _54th_Speeder *

***
One asks, many answer, all learn.
--Plato - on the 'Forum'
***