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-5
votes
1answer
19 views

Multi-Threading, Multi-Tasking and Multi-Processing [closed]

What are differences between Multi-Threading Multi-Tasking Multi-Processing , And which one has most relation to parallel computing?
0
votes
1answer
61 views

Clipped video using ffmpeg is shorter than expected

I'm trying to get a clip of length 6 secs from a MP4 video (size: 1.44 GB, length: 02:23:38). But video stream stops after 1 sec, while audio stream keeps playing normally until 6 secs. I'm using ...
-2
votes
1answer
216 views

Connect an RGB LED strip over USB [closed]

I am building a PC and wanted to do custom lighting with an RGB LED strip. I could connect an Arduino to one of the internal USB headers but decided that I wanted to try and connect the power to molex ...
0
votes
2answers
2k views

How do modern smartphones compare to Apollo mission computers? [closed]

I saw an article some time ago that compared smartphones to the computers that had put mankind on the moon. I can't remember the exact comparison and I can't find an accurate comparison online, as ...
3
votes
2answers
112 views

Does the more command in Windows only affect output, or command execution as well?

I am running a software build in Visual Studio 2005 on Win XP via the command line (devenv.exe /rebuild). I piped it though more and then realized I didnt want to have to baby sit it so I quit more ...
2
votes
1answer
60 views

GPU Processing overkill?

Is there such a point where using GPU Processing or Coprocessors (such as the Intel Xeon PHI card or the Nvidia Tesla card) can actually reduce the speed of which a software computes data? Say I had ...
1
vote
1answer
73 views

How to deal with user uploaded images [closed]

I'm using Restlet as backend trying to create a small web app. I am allowing users to upload their profile images, but not sure where to store them. Google tells me to store it in the file system and ...
1
vote
2answers
309 views

Processors cores over processor speed [closed]

Dual 5520 Quad-Core Xeon 2.26GHz with HT & Turbo(2.53 GHz) -vs- Single Quad-Core E3-1240v2 (3.4 GHz to 3.8 GHz) I run web hosting. I'm just wondering which would be more ideal. Personally, I am ...
0
votes
2answers
660 views

Why does my CPU not max out

So when I am doing something like calculating a file integrity hash, converting a video, compressing some files etc. why does my CPU not reach 100% usage, instead it happily jumps around from 0% to ...
0
votes
2answers
103 views

Feasible to assign 2 processors out of 4 to a vm running windows 7

I currently have windows 7 running on my machine. I need a second version of windows 7 to run as a virtual machine. I have 4 GBs of RAM and 4 processors. I've been doing some research and see a number ...
4
votes
1answer
392 views

Windows update using svchost.exe?

Lately I have been experiencing a lot of computers on our network being bogged down by svchost.exe. Nearly 50-100% CPU usage is associated with this process and I can't seem to figure out how to nix ...
-3
votes
1answer
4k views

Quad Core vs 8 Core [closed]

I am looking at a couple of computers. Both are AMD processor but one has an A8 Quad Core and the other has an FX 8 Core Processor and the rest of the specs are basically the same. With that said: ...
1
vote
3answers
1k views

Can I use an iPad 3 as a wireless monitor? [duplicate]

I need a high-resolution monitor for multi-monitoring applications, but I don't have much room for a big TV. I had the idea of buying an iPad3 (2048x1536!) instead and sending the screen of a Windows ...
6
votes
4answers
1k views

What affects installation speed?

Super hardware noob here. My wife and I were installing a game on our laptops last night, from an installation file (not a disc). The game takes up about 7.6GB of HD space. My laptop installed the ...
1
vote
2answers
168 views

Batch Text Replacement

I need a tool that can open a text file and replace characters in a list with other characters in a list. For example: Lets say I have a list of "aA", "aB", and want to replace "aA" with "AA". ...
1
vote
1answer
105 views

Slow computer processing

I run a 1.66 Ghz Duo Core with 512 RAM. I had rebuilt my OS about a month ago, started it as Windows XP SP2. then I updated it to Windows XP SP3 and installed all the latest updates about 90 of them. ...
2
votes
1answer
529 views

Is small scale distributed computing possible over a home network?

Is there any way to set up a distributed computing system on a small number of home machines over a local network? Is there any software that makes this possible?
3
votes
5answers
16k views

How to link processing power of old computers together?

I'm sitting on 8 old computers of varied sorts that are more or less useless at this point for any other purpose really. Is there a way I could link their hardware or processing power or whatever ...
3
votes
4answers
2k views

Performance difference between Intel Core i3, i5 and i7

I never understand what are the basic differences between these processors apart from core i5 and core i7 supports turbo boost
1
vote
2answers
1k views

Linux: Tool to monitor every process, execute-command, shortly, monitor what's happening at the moment [duplicate]

Possible Duplicate: How can I log all process launches in Linux Hello, due to a freeze problem of my Ubuntu 10.10 (it is not isolatable) I though about logging every executable of the ...
12
votes
4answers
644 views

If a task takes 10 hours on a 1GHz processor, does it take 5 hours on a 2Ghz processor?

If a task takes 10 hours on a 1GHz processor, does it take 5 hours on a 2Ghz processor? Or am I oversimplifying the issue?
0
votes
1answer
260 views

Does libgd use the GPU or the CPU by default?

http://www.libgd.org/ is the library's website. I can find out on my own and post the details here later, but if anyone knows off hand it would save me a bit of time today I really need for other ...
1
vote
1answer
4k views

What exactly is iTunes doing when it's “processing a file”?

After I download a song from the iTunes Store it will "process" the song, and the processing portion of the ordeal typically takes a lot longer than actually downloading it. A typical situation will ...
1
vote
1answer
802 views

How does Deep Zoom (Microsoft Seadragon) work?

I saw an incredible demo on Photosynth and Seadragon, some "deep zoom" technology recently acquired by Microsoft. There's also a less responsive version on the web. I'd really like to know how the ...
1
vote
1answer
887 views

How to prevent stretching, blurring and pixelating of embedded logos in VirtualDub?

take a look at this please http://www.youtube.com/watch?v=te-HVN8y_QE&hd=1 . Notice the embedded "logo" in the upper left corner? How blurry and pixelated it is? This is the original image: ...
1
vote
2answers
722 views

Capture documents in bitonal, or grayscale then downsample

I'm about to embark on a document archival process. I'm going to spend a lot of good money to archive some paper (actually microfiche) to TIFF images. I have a choice of 300-dpi bitonal (2-bit, ...
2
votes
6answers
147 views

Can anyone recommend a decent tool for optimizing images other than Photoshop [closed]

Can anyone recommend a decent tool for optimising images other than adobe photoshop, the gimp etc? I'm looking to optimise images for the web preferably online and free. Basically I have a client ...
99
votes
5answers
120k views

Using ffmpeg to cut up video

I am using ffmpeg to cut out a section of a large file like this: ffmpeg -i input.wmv -ss 60 -t 60 -acodec copy -vcodec copy output.wmv The -ss part works fine but the -t is ignored. It correctly ...
4
votes
5answers
5k views

How to convert videos to 3D format so that I can watch them with 3D glasses

Are there any softwares to convert 2D videos to 3D (preferably XviD) so that I can watch them with 3D glasses? No matter if it's freeware or shareware.
0
votes
5answers
147 views

Need an idiot-proof picture resizing program for Windows [duplicate]

Possible Duplicate: Program to automate image resize My friend needs to resize some pictures as part of a web publishing job, but he is rather clueless when it comes to computers. I am in ...
2
votes
1answer
4k views

How can I create real-time audio effects on PC?

Does anyone know how I can create an echo effect in real-time while singing on PC. Lets say I want to sing to an audience over IM and I want an echo/delay effect while I sing. Is there any software ...
28
votes
7answers
23k views

How to extract image from PDF file

I currently use Foxit's PDF reader, and I recently downloaded an image from the Internet, but it is inside a PDF file. How do I extract this image? Operating system is Windows 7.
2
votes
1answer
95 views

Office 2007: “Save as <old format>” batch conversion

Is there something I can give a "novice user" to convert all Office 2007 documents in a folder to a previosu format?
1
vote
1answer
1k views

Autotune Ventrillo

How do I autotune my voice before it gets sent over ventrillo (with free software only)?
2
votes
5answers
2k views

Too big a difference between Loud and Quiet when watching DVD's… constantly have to adjust volume

It is hard for me to find the right volume for my computer to watch my dvd's on because it seems like most reasonable volumes become overwhelming at the loudest parts of a movie and it is hard to even ...
11
votes
2answers
6k views

What's the state of the art in image upscaling?

I like to collect cool pics and use them as wallpapers or for other things. Often, artists publish only low-res versions, probably for fear of theft. Example: Now, if I want to use that as a ...
2
votes
4answers
3k views

Blur a moving area in a movie on Mac OS X

Note, there's already a question on this regard, but it's totally useless. I need to blur, or put a small opaque mask to a moving object on a movie I took, I am using Mac OS X. Clearly, I don't want ...
2
votes
1answer
250 views

Get image pixels of prescribed color

I have an image (PNG or JPG) inside which there is at least one pixel of a certain RGB color I know in advance. I want to find the pixel(s) of that color For example, I may have image.jpg, inside ...
0
votes
2answers
2k views

How to repeat action for all the files in a folder?

I've created an action in photoshop to create watermark for my images and its working fine but i want to repeat it for all the images from a specific folder. how can i do this?
5
votes
4answers
7k views

How can I change all pixels of one color to another color in a picture?

I have an image which looks like this: However, the yellow line needs to be red and the cyan line needs to be green. I have Paint and IrfanView. How can I change the colors of the yellow and cyan ...
0
votes
1answer
899 views

blur face on a video file

does anyone know how can i blur a moving face on video file?
3
votes
1answer
2k views

Adding watermarks/logos to videos in mencoder

How do I add a watermark or logo to a video using mencoder?
2
votes
2answers
2k views

On the fly volume compression (waveform capping) for VLC or OS X

I'm looking to impose a hard limit on a movie. In particular when I have earbuds in and a reasonable volume set, loud or sudden sounds (gun shot, dramatic sound effects, gun fire, etc) are loud enough ...
1
vote
1answer
647 views

TIF opens via IE, but not within a page

I have a picture: http://www.kconnolly.net/Gallery/Panoramas/Mountainscapes/DSCN2049_stitch_sm.tif Which loads fine when I paste it into my address bar. However, when I embed it within a Page, I get ...
7
votes
2answers
693 views

How can I easily correct slight rotational misalignment in scanned images

I've got a whole lot of scanned images (> 500) the majority of which were scanned with the paper not completely square. They need to be rotated about 1-5 degrees to be aligned again. Is there any ...
9
votes
2answers
212 views

Automatically remove all music from mp3 talk show

Is there a tool that can automatically remove the music sections of a given mp3 file so only the talking part is left? This would create a better listening experience when listening to the file on my ...
3
votes
4answers
4k views

Transform a trapezium into a rectangle

I used my iPhone to capture a painting. However, the angle was not perfect, so instead of getting a straight rectangle, I get a trapezium. I want to transform this trapezium back into a rectangle ...
1
vote
4answers
4k views

Rotate image with open office 3.2

I import a picture into an open office document from file. However, I cannot figure out how to rotate image in open office 3.2 writer. Is there any way to do that?
2
votes
3answers
536 views

How do I batch process RAW images based on EXIF data in Photoshop?

I use Photoshop to batch convert my RAW files to JPG. With my particular camera lens, if I open the aperture all the way to F1.7, there is noticeable vignetting; images where the aperture is stopped ...
15
votes
7answers
8k views

Software to clean up photos of whiteboards and documents? [closed]

I take a lot of photos of whiteboards, blackboards, and so on for teaching purposes (examples online through May 2010). I'm interested in cleaning them up for archival purposes, preferably using ...