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Windows 7: Basic Video Editing Programs

17 Oct 2010   #11
whs
Microsoft MVP

Vista, Windows7, Mint Mate, Zorin, Windows 8
 
 

Quote   Quote: Originally Posted by mickey megabyte View Post
the problem with wlmm is that it will only save files using wmv format.

you will lose quality by the fact that the software has to recompress an already compressed format.

avidemux will save the file in the same format as the original, saving both time and quality.
Although what you say is true, the effect is very minimal and at least I cannot notice it. My video camera records in .mov (HD) and when I edit those files with WLMM, I get a very good result.


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17 Oct 2010   #12
mickey megabyte

ultimate 64 sp1
 
 

whs, you're starting from an HD source, which is great.

the op didn't specify the source of his clips, they could be anything - from HD to amateur youtube, shakily shot on a mobile phone and badly compressed.

try compressing it again, and you will lose even more quality and gain more artifacts.

not to mention the time involved in having to analyse and process every frame during the save/re-transcoding procedure.

but it is true that wlmm have a familiar-looking interface that would not intimidate beginners (who probably wouldn't care too much about quality - or even be aware of the issues involved in compressing video).

(of course i am not saying that you are one of these, whs)

i just know which program i would use for this specific purpose of trimming clips.
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17 Oct 2010   #13
whs
Microsoft MVP

Vista, Windows7, Mint Mate, Zorin, Windows 8
 
 

Yeah, I agree with what you say. But fo the occasional video and an easy interface I always recommend WLMM. But for more demanding tasks, e.g. a lot of text pages like I have them in my tutorials, I use Machete. (Example: ).
As one friend once said: If you have a video with car chases and explosions, a quality degradation will be hard to notice. But for slow motion or stand still text, you will immediately notice it.
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17 Oct 2010   #14
mickey megabyte

ultimate 64 sp1
 
 

Quote   Quote: Originally Posted by whs View Post
...
As one friend once said: If you have a video with car chases and explosions, a quality degradation will be hard to notice. But for slow motion or stand still text, you will immediately notice it.
not the other way round?

you could compress the hell out of text-only movies, but you would soon see the blocks on a fast car-chase scene.

but i think i know what you mean -the eye/brain has time to notice the artefacts if they don't move much...
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17 Oct 2010   #15
whs
Microsoft MVP

Vista, Windows7, Mint Mate, Zorin, Windows 8
 
 

The problem with text is that it blurs and gets hard to read. If you look at my example, the lossless editing allows you to have a clear text - even in small print as e.g. on my sidebar.
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17 Oct 2010   #16
SledgeDG

Windows 7 Ultimate x86
 
 

I just remembered a couple very important pointers to my post above

as for AVIDemux (I took the liberty to recycle mickey's pic
with AVIs it's extremely important to ONLY cut on Keyframes (here Frame Typ I) and not on B- or P-Frames.
The reason for that lies in the way AVI compresses material to save space. During encoding, every so many seconds the encoder takes a full picture from the video stream. That's the Keyframe which holds the complete information of that particular picture.The others are P and B-frames and cutting there leads to distorted/garbled pictures because the picture information simply isn't there anymore. (Predicted picture-frames which hold the difference to the frame before itself and Bi-predictive picture frames which additionally holds the difference to the next frame)
so where is the beef?
It basically means you need to use the buttons I marked in Green to navigate to the spot you'd like to cut at.

Basic Video Editing Programs-capture.png

As for VirtualDub (that program works quite similar to Avidemux. The important buttons are here in the shape of yellow keys) but IMHO more important is, that VD has an inherently problem with AVI containers that hold audio tracks encoded with variable bit-rate. (The end result becomes unsynchronized...it has gotten better with recent builds tho)
Here is some excellent Docu for VD

More Info about Keyframes etc you'll find HERE

Basic Video Editing Programs-capture2.png

For those clips you'd rather use VirtualDubMod (or one of the other programs)

-DG


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17 Oct 2010   #17
whs
Microsoft MVP

Vista, Windows7, Mint Mate, Zorin, Windows 8
 
 

Sledge, that is a good point. As far as I know, other lossless editors act the same. But this is a disadvantage of these editors because the key frames are often far and apart. Thus it is not always possible to cut/edit where you like. WLMM does not have that problem - but, of course, it has other shortcomings.
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22 Oct 2010   #18
Chips

Windows 7
 
 

Thanks everyone for the info. I eventually got avidemux. Pretty good program. But what about something for editing MP3 files? Is there anything good out there?
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22 Oct 2010   #19
mickey megabyte

ultimate 64 sp1
 
 

audacity is a pretty-good freeware audio editor, for your mp3s.
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22 Oct 2010   #20
SledgeDG

Windows 7 Ultimate x86
 
 

Did you overlook this?

Post #5 in this thread

Those should be the best free programs for your purpose that work without re encoding the material.

A really allrounder would be Soundforge or Steinberg's Cubase but those are not free

-DG
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