DIfferent sizes for different programs?

[serialtoon]

Ok, first i used AVI2DVD (or SVCD2DVD) and converted my video and audio just like the tutorial said from doom9. ANyways i noticed that it took an EXTENSIVE amount of time to do so, about 18-20 hours for the complete conversion. So i started using a new app. Well to me it was a new app, it called Main Concept MPEG Encoder. With this app i can do a .avi to Mpeg conversion in like 2-3 hours MAX. but when i use the other app it takes really long. So i decided to start using this on for the speed, i dont have 18-20 hours to kill waiting for a movie to get encoded. Now here my question, when i used AVI2DVD (or SVCD2DVD) my .VOB files ended up at about 1.4 gigs or so. now when i used Main COncept the SAME exact file ended being bigger than the DVD+R size! so i decided to re-encode it using a downsampled audio. from 384 to 128 and the file size was just right. about 4.4 gigs or something of that nature. Now why does AVI2DVD (or SVCD2DVD) have a smaller file size? Just a question that was bugging me. that 4.4 gig files takes longer to burn by a few minutes but is more compatible that my other movies that i used AVI2DVD (or SVCD2DVD) on. ANy help?

[ZippyP.]

Filesize depends on two things, bitrate (in kilobits per second or kbps) and length of the video. Obviously using one method you used a higher bitrate than the other.

[serialtoon]

Filesize depends on two things, bitrate (in kilobits per second or kbps) and length of the video. Obviously using one method you used a higher bitrate than the other.

In which generally gives better looking video, yes?

[teegee420]

Assuming you have a good source, a higher bitrate will produce nicer looking movie. However if your source isn't too great, a lower bitrate and resolution would be more sensible.

[ZippyP.]

Filesize depends on two things, bitrate (in kilobits per second or kbps) and length of the video. Obviously using one method you used a higher bitrate than the other.

In which generally gives better looking video, yes?

Up to a point....beyond which you won't notice much difference. What that point is depends on the the source, the resolution, how fussy you are etc. See teeegee's comments above.