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Reduce size of MP4 files

Posted by H S.

Location

Remote

Due date
Monday, 10th Sep 2012
Details
I'm applying for a job and need to submit some MP4 video files. The original files I have are about 70 MB size and they need to be reduced to 4 MB maximum - ideally without losing the quality too much. I will pay $10 per video file. I have 4 video files = $40. Please note that I need to verify that the quality is acceptable and can be uploaded to the company's website before the task is deemed complete.
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Task Activity
10 comments about this Task
Comments are now closed
Hi, My photography lab at school has a great program to compress image and sound mp4 by as much as you want- As you see above it will effect the image and sound but depending on how small you want them it can still look pretty good. I could do this task pretty fast. Cheers
Hi, I edit a lot of videos and have lots of tools for video compression. After reading the last comments I'm sure you're aware that there are lots of settings that can be changed for videos.. I'll get the right combination for you to preserve as much detail as possible with a file size under 4MB. I can send you the compressed videos within 30 minutes of receiving them :)
Does your video have any essential small text and does audio clarity matter? For your videos, using MP3 codecs you could get away with 16 kbps stereo (or 8 kbps mono) at a low sample rate, but even then it will sound metallic. Now, 16 kbps = 2 kilobytes/sec. Multiply by 9 min x 60 sec and you've already used up more than 1 MB for metallic-sounding audio. You'll only manage less than 50 kbps for video which I believe is too blurry for reading small annotations, if any, on screen.
H S.poster
Just to answer some questions below. The four video clips are between 7-9 minutes long. The final products have to be in MP4 format as per the requirements of the employer.
Does it have to be resized back into MP4 format? Or can it be something else?
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