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Compressing mpeg files without losing quality?

Q: Compressing mpeg files without losing quality?

I've been capturing video with a Dazzle DVC 150. All is well except that file sizes are huge. I captured for 18 seconds and the file size was 14mb. Can I convert these files to another file type to make them smaller, or compress them somehow without losing the quality of the video?

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A: Compressing mpeg files without losing quality?

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Hi, im here to ask a question about certain MPEG files that i wish to put onto a CDR for use of watching it through my CD/DVD player.

I changed a .avi file which was 175 MB, and when i was finished converting the file, it was 632 MB. I did this for about 4 pieces and the same outcome occured. Im wondering how to compress it in any way.

Thanks in advance

Windows...

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RELEVANCY SCORE 84.4

I really do appreciate any helpful advice...

So my neighbor gave me a DVD-R of his son's football highlight clips. The disc contains 3.205 GB worth of video in .mp4 format. He asked me to help him make it so that he can play these clips on his DVD player. I knew that a standard DVD player cannot read an .mp4 format, so I needed to convert the video footage to a different format (I assumed mpeg-2, but I know I could be wrong).

The problem I ran into was the increase in file size of each video. After converting all the clips, I was now left with 20.89 GB worth of content. Since the blank DVD-R's I have only hold 4.7 GB, I would need to make 5 separate discs.

I was wondering if there is anyway to compress these videos so they can fit on one, or even two, discs that can be played on a standard DVD player, while still maintaining decent picture quality?

I have googled my brains out, but the results usually end with telling me to convert the files to a format unfit for DVD players or not taking into account the size limits of the discs.

Sidenote: I don't know if this matters, but I thought I should mention there are 1,817 separate clips that range from about 10 to 60 seconds.

Also, my OS is Windows Vista 32 bit (Yes, I know that's pretty outdated )
 

A:Compressing mpeg-2 files for standard DVD player use

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I just got a WD 250 GB external HDD for storing video and music. After I copy .avi files to the external and then back on to my PC, I get blocks of color appearing in the video. The external drive is connected through firewire, and this only happens to .avi files
 

A:.avi files losing quality after transfer to external HDD

Lose the Firewire. If it's a dual interface drive, try the USB connection.

I've had a number of systems (3 to be exact) that exhibited file corruption using Firewire for some reason. Different systems, different Firewire disks, same issue. I've since started using USB 2.0 all around (I have dual interface disks), and the problem has not reoccurred.
 

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RELEVANCY SCORE 69.2

Hi I have an MPEG-4 Movie File that is 114MB and I would like to compress it to about 95MB so I can put it on google videos, anyone know of a compression program that does it for MPEG 4 Movie files? Ive tried searching but no luck!

A:Compressing A MPEG-4 Movie File

As far as I know mpeg4 "divx" is about as compressed as it gets.,

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I am looking for software that can compress MPEG movies for email purposes.
I just got a digital camera that takes MPEG movies at 30 frames/sec at 640 x 480. I want to be able to email them, but the file size is too big for email. I tried converting them to AVI or MOV format, but the size is still too large for email.
I would like to be able to compress them to a smaller size, so that I can email them.

Please advise which software I should use, and how many frames/sec, resolution size to convert it to?
 

A:Compressing MPEG movies for email

If you have windows ME or XP Windows movie maker which comes with them will do that for you. Just import the film into the programme, drag the film to the film strip, then you can 'save movie' straight away at different sizes. It even has a drop down menu telling you how big/long it will take to e-mail.
It saves it as a seperate file so your original remains untouched.
 

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I have a some videos that were encoded using divX I believe. Well at least some are. However the picture quality is not very clear. Below ia an example of one:

320 x 240, 24 Bits, 5594 Frames, 29.970 Frames/Sec, 54 KB/Sec, DIVXMPG4 V3

Is there a way to improve the picture quality?
 

A:Solved: Improving mpeg video quality?

I don't know but maybe something in the video editor section here can help. www.mpegx.com
 

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RELEVANCY SCORE 60

Hi,

I'm trying to figure out how to watch a movie I have stored on my computer (MPEG) on my PlayStation Portable. I know that only .MP4 files can be played and I know there are video file format conversion programs available to download from the internet. I've downloaded 2 before but neither worked. I've followed their directions in moving the files to the correct PSP folder and with the correct renaming, but nothing seems to work. I know this can be done and my PSP does play UMD and downloaded MP4 movies (I have downloaded an MP4 clip from the PSP website so they could show me how to download movies). I have been able to do everything on a PSP but this so far (excluding downloading a game demo, which I don't care about that much). Also, I have the newest Firmware for it (2.71) so I don't understand.

If anyone can help me with this it's very appreciated. Thanx.
 

A:PSP - Converting mpeg files to mpeg-4 files via computer

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RELEVANCY SCORE 57.2

I may have posted this question previously in the wrong area. I'm new to this forum.

I video using a Sony HD cam and the video gets downloaded to my computer with decent sounds from the environment I was filming. The editing capabilities of that software are limited so I import that video to Windows Movie Maker 6.0. When I play the video in Windows Movie Maker the sounds that were there originally are all gone. How can I use the improved editor but keep the sounds?
 

A:Losing Sound from Sony MPEG to Windows Movie Maker 6.0

At first guess I would think WMM doesn't support the audio codec that your camera uses. Check to see if your camera uses a "wierd" codec and campare it to the codecs that WMM supports. You may have to use a program like Virtual Dub to convert the audio if this is the case. Another option is to see if the camera can save the audio in a differnt format or maybe upgrade to a more advanced program.
 

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I am recording video for a local sports team. When I use the software that comes with my Sony recorder I can review the video and hear all of the sounds of the games, whistles, etc. But the editing ability of that program is pretty limited so I import into Windows Movie Maker 6.0 and can edit it nicely but none of the sounds are imported. Is there something I am doing wrong?
 

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RELEVANCY SCORE 56.4

Hello. I'm ripping DVDs so that I can post snippets of scenes to put on Youtube videos within fair dealing laws. I'm trying to rip DVDs with Handbrake and it does create a file with playable videos, and there are no problems with the sound. However the picture quality comes out noticeably degraded. This might be a compression but I'm not sure.

I've tried adjusting the bar of the "Constant Quality -- RF" bar under the video section to increase image quality before downloading and adjusting over relevant variables but to no avail.

What do I need to do to resolve this issue?

With regards,
Roy
 

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RELEVANCY SCORE 55.6

Hey everyone

I have a video file right now, that is 640 X 360 pixels, and I need it to be on the web.

That being said, it is a 32 MB file, so it takes a while for it to start playing when you click on the link to see it.

My question is, how can I reduce the size of the video to maybe 320 X 240, or something near that size, without losing sound quality, and video quality? Or, is there something wrong in my code on my website, to where I can make it start playing earlier?

Here is a link to a test page I am working on, you can view the video file by clicking on the guy on the right: IFG Test Site
 

A:Reducing a video file, without losing quality

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RELEVANCY SCORE 55.6

Hi to all seven forums. hope all will be fine.
guys I extracted an audio from a mkv movie using mkv merge gui, and this is the audio status.
.
Complete name : The Green Hornet 2011 1080p BRRip.mkv
Format : Matroska
File size : 366 MiB
Duration : 1h 54mn
Overall bit rate : 449 Kbps
Encoded date : UTC 2011-06-13 20:10:53
Writing application : mkvmerge v3.3.0 ('Language') built on Mar 24 2010 14:59:24
Writing library : libebml v0.8.0 + libmatroska v0.9.0

Audio
ID : 1
Format : AC-3
Format/Info : Audio Coding 3
Mode extension : CM (complete main)
Codec ID : A_AC3
Duration : 1h 54mn
Bit rate mode : Constant
Bit rate : 448 Kbps
Channel(s) : 6 channels
Channel positions : Front: L C R, Side: L R, LFE
Sampling rate : 48.0 KHz
Stream size : 365 MiB (100%)
Language : English
.
now, I wanted to convert it in some lower bit rate, which were exactly decreasing the size of it. that is I wanted to do, but the problem is, if I convert it to any audio format it will be done with only 2 channels audio. I want to decrease some of its bitrates/size like 196kb... Read more

A:How to decrease audio quality without losing channels.?

To mess with more than two channels, you might actually have to pay for a program that can do it. I believe Nero has a wave editor that supports six channels in their multimedia packs. Sorry this isn't much help.

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RELEVANCY SCORE 55.2

Hello,

Im trying to find a program (preferably freeware) that will resize video resolution without losing any quality.
I tried a program called videoenhancer, it seemed that it could do the job. it resized the video without making it pixelated.
but when i tried converting the resulting file was 18Gigs (from the original 190mb) and it didnt play with my media player complete with codecs.

A little help with the program or suggestions for other programs will be greatly appreciated.

Thanks in advance.
 

A:making video resolution larger without losing quality

It's not possible to resize a video (especially make it larger) without losing video quality. Think about it. Your video has a certain amount of information to display the video. When you increase its size, you have to add more information. Result, crappy video.

That's why video (and pictures) are created in a larger size then reduced. It's also why HD and BlueRay exist.

Courtney
 

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RELEVANCY SCORE 54.4

I have a website... It doesn't give me a lot of space. With all my files, I need to upload them, and make it less MB. I was told that the best way to do this is by compressing them. How do I do this?
 

A:Compressing Files

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RELEVANCY SCORE 54.4

I am interested in uploading video's to YouTube with footage of gaming. However the .avi file is too large.

Has anyone got any suggestions for a good piece of software that will reduce the filesize without reducing the quality?

A:Best way of compressing avi files?

An AVI is just a container for whatever audio and video you have in it. If you want to reduce file size of a video, you need to convert it to a different type (mpeg, etc) and use a different codec to compress it. There are a ton of video converters available. I'd just google for video converter and find a free one that you like.

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Hello. Recently i've noticed a lot of my files in my folders are with blue text. I guess this means they have been compressed to save drive space. However, I didn't even allow for it to happen. My computer is randomly deciding to compress files that haven't been used in awhile and I don't know why it's doing it. It's compressing anything from old text documents to even my music which as far as I know, is always in use. Is there some sort of setting or something that maybe i've turned on that is telling my PC to do this? If it can be turned off, and uncompress all my old files (without having to go and look for them all and do it manually) please let me know!
 

A:Files Compressing on their own.

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RELEVANCY SCORE 54.4

I am confused about this--advantages/disadvantages?

Thank You
 

A:Compressing Files

Pro:
They take up less space.

Con:
They take longer to access
 

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RELEVANCY SCORE 54.4

OS is XP home:service pack 2. in the 'disk clean up' box(my computer/right click-properties/cleanup) i have an accumulating daily figure of files listed for compression.i do not want/need to use this facility and wish to know if there is a way to disable/uninstall it from this box. i did this recently with the 'webclient/publisher temp.files' section(which was always showing 32KB) as i did not need it either.for this i used the services msc in'run'. is there a way to similarly treat the aforementioned compression entry? i can not work out how this can be erased from box. suggestions welcomed.
 

A:compressing old files

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RELEVANCY SCORE 54.4

Hi,

I have a word file with pictures in it. (4.83 mb) in total. I compress it in winzip and other programs but it only brings it down to 4.1mb. Is there a good program to zip this up? Or is there a way around winzip?

Thanks
 

A:compressing files

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I've transferred a bunch of shows from my Tivo to my PC and converted them to MPG format. I want to burn these MPG files onto DVD but the files are huge and I can only fit 2 one hour shows per DVD. How can I reduce the file size of each MPG so I can fit more per DVD. I don't care if I lose some picture quality and would like to use freeware if possible. The files must maintain their current format (.MPG)

Regards,
Rollin
 

A:Help!! Compressing MPG Files.

A standard single layer recordable DVD disc can only hold two hours of broadcast quality video. Does your DVD authoring software allow you to recode the video reduce the quality but increase the playing time. Most DVD authoring programs are not free but many DVD burners do come with some type of free DVD authoring package on a disc that came with the burner. Did your Tivo file -> MPG converion program give you any options for setting the quality of the video files to be generated?

There is free software available for shrinking the size of video files to fit onto a standard blank DVD. I don't think I can mention any names here because these types of programs can also be used in the process of copying copy protected commercial DVDs.
 

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RELEVANCY SCORE 54.4

After transferring videos onto the laptop using VideoStudio SE they become .vsp files. I then have to play the video through again in order to reduce the file size and convert to an mpeg file in order for it to fit on a dvd.

Does anyone know a less time consuming method to compress .vsp files?????
Its driving me mad!! Please help!
 

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Can anyone provide me with a link to or a step by step tutorial on how to compress 6GB to max 4GB?
I've seen it been done with pc game files: you download a 3GB .rar file and unpack it to become a 6GB size folder. I want learn how to do this so that I can back my pc games.

Thanx ahead, guys. Looking forward to your replies and solutions

P.s. I realize that winrar isn't the only compression software, so if you could recommend me a software which can allow me to compress game files to fit on a dvd disc.

A:help with compressing files

I really don't think there is a need to start another thread about this.
help with compressing files

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RELEVANCY SCORE 54.4

Can anyone provide me with a link to or a step by step tutorial on how to compress 6GB to max 4GB?
I've seen it been done with pc game files: you download a 3GB .rar file and unpack it to become a 6GB size folder. I want learn how to do this so that I can back my pc games.

Thanx ahead, guys. Looking forward to your replies and solutions

P.s. I realize that winrar isn't the only compression software, so if you could recommend me a software which can allow me to compress game files to fit on a dvd disc.

A:help with compressing files

You can't compress every data that much.

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RELEVANCY SCORE 54.4

I have some movies and want to know how to reduce the size of the files. I have a program call smart video converter that converts avi's to other formats but don't know what format to change it to.
 

A:compressing avi files

Your best bet would be to use dif codecs to reduce the filesize (though re-encoding an AVI will lower the image quality slightly).
The most common are the XVID - DIVX codecs for the video in the AVI, and the 3IVX & AC3 for the Audio.
To play the AVIs, anyone who wants to watch them will need these codecs on their PC to see them.
 

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RELEVANCY SCORE 54.4

I was just wondering when I use Disk Cleanup and it compresses files, can I delete thoughs files also
I'm using Win XP
 

A:Compressing Files

Read about it here: http://www.theeldergeek.com/disk_cleanup_utility.htm

It sums up each category in the Disk Cleanup Utility and if you can remove them or not.
 

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RELEVANCY SCORE 54.4

hi there, don know whether this is the right place to post the question..
am looking to compress large files into a much more smaller size. i have used winzip and winrar, and they have worked well. however they can only reduice the size of the file to a certain limit.
i have come across posts in other websites where they have compressed a 2 GB file into a mere 2 MB file. i might not be technically qualified enough to do those stuff but whats the harm in trying to learn :).
please help. any information will be useful to me.
thanks in advance.

A:compressing files

hello guys, as i told u in my first post that any informaton on the above mentioned topic will be good. please do respond. :)

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RELEVANCY SCORE 54.4

I am looking to buy a new computer and want to back-up some of my files, like pics. Is there a way that I can compress them to put on a floppy since I don't have a cd burner? I'd like to maximixe my space.
 

A:compressing files

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RELEVANCY SCORE 54.4

Hey was just wondering if you could give me some links for freeware that i can compress and store all my music/movies etc. my hdd is getting a bit full.

thanks
 

A:Compressing files.

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RELEVANCY SCORE 54.4

How does one compress .jpg files for sending to a floppy disk or via email using 98SE? XP does it automatically but I don't know how to do it in 98.
 

A:Compressing .jpg files?

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Hey tech guys,

I have loads of videos on my laptop and want to compress them so I can free up some space.

Any advice on which software to use?
 

A:Compressing video files

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RELEVANCY SCORE 54

Hello.

I have some video files which are about 20 mins long, but are high-quality AVIs, taking around 250MB each on my hard drive. I want to compress them so they take up less space; it's fine if I lose quality. Is this doable with free software, and what format should I convert them to? Would a lower quality AVI be suitable, or do other types of video format have a better quality to file size ratio?

Thanks to anyone that helps. I don't want to lose too much quality, but a smaller file size is the priority.
 

A:Compressing video files

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RELEVANCY SCORE 54

Hello everyone,
I just want to say first that I love this forum. It's a one stop shop for ALL computer issues and that's great!

Ok my situation is this:
I downloaded some videos from my camera. They downloaded as .mov files. One file was too large to email (from both Hotmail and Yahoo! mail). My first question is, how can I compress this file? Second (and this is entirely separate from the compression) I want to make a copy of those files and then convert them to different formats. How do I convert these videos into different formats? I've downloaded and tried Rad Tools and Microsoft Converter (or something like that) and neither have worked. I've also tried Movie maker, but those files aren't able to be attached to emails.

Any and all advice is GREATLY appreciated. Thanks for your time.

A:Converting/compressing .mov Files

Converting? I use WinAVI turns basically anything into an AVI which is smaller than most and my burner likes them. compressing? you can always use WinRAR, WinZip or 7zip. Winrar will let you break it up into seperate .rar's to make sending them easier. Gmail has a larger upload limit than the rest. I "think" its 10 megs but it would probably be just as easy to upload to rapidshare or megaupload and send someone the link to them. I "think" that Gmail (google mail) is open now but if it isn't then just PM me your email and i'll send you an invite. got plenty.

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hi,i dont have a dvd burner so i want to burn a vcd to make a copy of my dvds (store bought ones of course),if a blank cd is only 700 mb and most of my movies are bigger than that,is there a way to compress the files to fit?would that compromise the quality of the movie,and how good do vcd copies of dvds come out anyways when u play it in a stand alone dvd player?im running xp if that matters or not,thanks in advance
 

A:compressing files to burn a vcd

The quality of a well made VCD is about the same as a VHS tape but a little more blurry. YOU can use Nero or some other burning program to accomplish it. You can hold about 80 minutes on a disk.
 

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RELEVANCY SCORE 54

OK everyone here is a good one.... I recently was to a friends house and when he shuts down the email client OE 6.0 on a windows XP w/SP2 it automatically compresses the files. Now here comes the catch that while compressing the file the emails that were there are now lost. I have looked on Microsoft's site pretty extensively (although it's never an easy chore) and come up with nothing! So I am here to ask the experts who have been here for me in the past to solve all of my problems. So who has seen this happen and how do I rectify the situation so that they aren't loosing their emails? You can respond to me directly through here or at [email protected] all of your help and suggestions are greatly appreciated.
 

A:OE 6.0 compressing files upon exit

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RELEVANCY SCORE 54

Hi All,
I compressed a folder into a Zipped file (right clicked folder/send to-Compresssed (zipped) Folder) ....however, the zipped file is the same size as the original file....Not compressing it??? Any clues to what is going on? Thanks

A:Files not Compressing when Zipped

Hi,

The answer depends on the files & thier format in the directory. A Zipped file can sometimes be bigger than the directory as "File headers" are added.

So what type of files are you trying to compress?

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RELEVANCY SCORE 54

Hello,

I am hoping I can get an answer to this question that has been racking my brain for several days now. The thing is, That I recently accquired some video files that I would now like to put on a DVD for storage reasons as a back up, should the first back up fail. However, I did not want to use 5 disks to accomplish this as i had for the first back up. Instead i turned to RAR and Zip Files. so far I have used Ultimate Zip, WinZip, and WinRAR. In all cases, it takes hours to create the archive, and yet, when the archive has been completed, it is often the same size as the folder it was supposed to compress, or in some cases larger. Is there something I am missing? Do I need to shrink each file individually in order for this to work? what program will be able to truly shrink my files to a small enough size so that i can store them on a DVD?

any help in this matter would be greatly welcomed.
 

A:Compressing Files, What Am I Doing Wrong?

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RELEVANCY SCORE 54

for some reason when i try to compress some files to send over the internet the .zip file isnt much smaller than the files on their own.

the files on their own are 25MB

the compressed file is only 24.8MB

a saving if 200kb is not really worth it.

is there anyway I can make it a lot smaller?

A:compressing (zip) files dosnt do much

What are the file types?

I often see compressed (zipped) jpeg files that are more or less the same size as the un-zipped file. Reason = Its because they are already compressed.

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RELEVANCY SCORE 54

been doing a little googling but I thought I would serve this up the pros at this community. I have a bunch of .avi files. I transferred a bunch of older analog camcorder tapes using Studio 10 but the files are pretty enormous. In fact the files are called "VLC media file (.avi)".

What is the best/most sensible/easiest/cheapest way of getting these down in size?

pete
 

A:Solved: compressing .avi files

Kind of depends on what you want to do with the files. If there are no future plans for them except to have them retain good quality but be smaller in filesize, Studio 10 can be used of course and will allow you to edit the videos, but only one file at a time can be setup and reduced in size. If a program like AutoGK is compatible with the audio you can set up as many files at desired at once and it will work through them one at a time unattended. The program itself is very flexible in both dimension and bitrate specification and uses either the Divx or Xvid video codec. I find that a 720x480 video at 1928 kbs (1800 for the video and 128 for the audio) is a nice compromise between size and quality. If there were ever the need or thought to make video DVDs from the files someday then I would use a much higher bitrate/quality setting, say a 90-100 quality setting or an equivalent of 4000 kbs.
 

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RELEVANCY SCORE 54

I have micro2000 with CD Adaptec. I downloaded a file off the internet that was too large for a single CD. It cannot be split as it is all on one track.

I formatted the Cd for compression and then went to my document files and could only find a "send to" compressed folder function in the My Music/My Documents edit menu.

I did this, it send the downloaded file to a compressed folder, but when I tried to drag this folder into the Adaptec program to transfer it to the waiting blank Cd, it told me the name was unrecognizable.

It asked me to change the folder to a .mps or .wav file. I could find no way to do this. I have been trying to find a way to transfer this music file to a CD as a gift for my daughter. I have been trying to do this for 2 weeks. I have no clue what to do now.

I even went to the compressed folder itself and asked the program to send it directly to the M drive where the CD is, it took 4 minutes and showed that the program was transferring the file.
However, the music box won't play it, so I have to assume the information isn't there, or it's in a form that cannot be played back. Please help.

Thnak you!!!!
 

A:compressing audio files

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RELEVANCY SCORE 53.2

Currently using Win 7 Ultimate and when I try to compress files (no matter what the size), Explorer will freeze. I then have to go through task manager in order to kill the task which always shows not responding. Any ideas as to what this could be?

A:Compressing files causes freezing/hanging

  
Quote: Originally Posted by SVT04EAP


Currently using Win 7 Ultimate and when I try to compress files (no matter what the size), Explorer will freeze. I then have to go through task manager in order to kill the task which always shows not responding. Any ideas as to what this could be?


There are several ways to find what the problem is. The best is to go into event viewer (type eventvwr in search). Go to the windows log>application tab.

You want to look for critical errors (they have red in the left column ).

When you find them you want to look for critical errors that say app hang, app crash, or anything that relates to the problem.

When you find them please note the event ID, and the source codes and tell us what they are.

Let us know if you need help with any of this.

Ken

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RELEVANCY SCORE 53.2

When I forward an email ( using Outlook Express) that has anyattachments, the recipients tell me that the message has automatically benn compressed and they have to unzip.

I assume this is done by my OPutlook Express, how do I prevent this happening

Foxxy09
 

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RELEVANCY SCORE 53.2

Hi! I have XP. When in disk cleanup, says I have loads of old files that can be compressed for a little more space. I run disk cleanup, but it goes fast...and these old files are not compressed and still show up like before I ran it. What do I need to do, as there is another thing that is not "cleaning up" and stays the same, also. Is this any cause for concern? Am just trying to free up some space.

Also, when I restart, there is afew noises, sounds like it comes out of the speaker, not the hard drive...and, well, chirps like a bird afew times...then again afew times...while starting, before the desktop opens. Do I have another bird...or what could be going on with my machine?

Thanx. parrotplay
 

A:Files not compressing in disk cleanup-XP

You can specify how many days to wait before unaccessed files are compressed.
Run disc cleanup as normal but before you click OK do the following....
scroll down to "compress old files" and highlight it. Then click "options".
This will open a new window asking for how many days to wait.
I have mine set at 10 days. Not for any particular reason.
What settings have other people got? and why?
Kath
 

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RELEVANCY SCORE 53.2

I know I can make much smaller file sizes by converting avi video clips into mpegs, but mpegs just don't play right in a Powerpoint presentation..... first they go to black and then play. That's terribly annoying, unprofessional looking and disconcerting.

When I play avi clips, they just seamlessly play....but they are HUGE. What to do?
Any ideas?
 

A:Compressing AVI files without changing format

Nothing really that I know of. If you are making them, then you probably have to lessen the quality. Other than that :shrugs:
 

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RELEVANCY SCORE 53.2

Hi Everyone,

I have taken a backup of my hard drive using the windows XP backup feature and it is a total of 65GB's in size, what it the best way of compressing that to make it as small as possible so that it use's less space?

The backup consists of Music, Pictures, AVI Video's, Documents and setup files.

Thanks in advance for any help

A:[SOLVED] Help Compressing Large Files

Hi !

The compression ratio will not depend on the size of the file but on its content. There's a built-in option in the backup utility (under advanced mode) that allows to compress the backup. Else 7-zip is probably the most efficient file compression program right now, give it a try. If the backup was already compressed then don't expect to gain much space using 7-zip, same if there are lots of videos, mp3, ... (such file formats are already compressed). Take a look here for more informations : http://en.wikipedia.org/wiki/Compari...file_archivers

Make sure you store the backup on another drive (possibly an external drive or on another computer) else it'll be useless if the hard drive crashes.

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RELEVANCY SCORE 53.2

Hello. I want to add a compressed file(preferably free so I choose 7zip...) to my external HD, I am not sure right now whether I just want to "store" or "compress".

I wonder if there are any risks of file corruptions on my external HD.

Does compressing increase the risk? Based on my experiences I have come across many compressed archives that corrupted over time.
Thank you!

A:Compressing files to move to External HD

what are you going to compress? What did you use to compress the files that got corrupted over time?

afaik, archives are just a file like another, so they have the same chances of getting corrupted of any other file. I have plenty of compressed files, and none got corrupted in nearly a decade.

I'm a fan of Peazip as it has a better interface than 7zip.

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