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patrickv63917272
patrickv63917272
Participating Frequently
October 24, 2021
Question

MTS to mp4 using the quick menu.

  • October 24, 2021
  • 2 replies
  • 2944 views

Dear,

Editing MTS camcorder video files (1920x1080). Is there a big difference of quality between the export options:

 

A/ exporting quickly (the first option, in dutch it is called 'snel exporteren') 

1280x720

6074 kbps, 

30 frames/sec

 

B/ adapting (apparaten aangepast) the export myself to 

 1920 x 1080

14.945 kbps

25 frames /sec 

 

Logically I would go for B/ as it is equal to the original.

This option gives bigger files, what I understand.

But why isn't this one of the main options?

 

And what is the damage when exporting to A: with smaller frame definition, more frames/sec (!?!) and a much lower bitrate.

Both have the MP4 extension.

 

Secondly: it is only possible to export to Avi in 720x576. format. Why? I do not understand. 

 

Thanks and kind regards,

Patrick

 

 

 

 

 

 

This topic has been closed for replies.

2 replies

S
Steve Grisetti
Legend
October 25, 2021

Simply put, 1280x720 is not full HD. It has less than half the resolution of 1920x1080 -- which is why it is a smaller file. Lower resolution means less clarity -- especially if you watch it full screen on a computer or HDTV. So if by quality, you mean how sharp the picture is, there is a lot of difference.

 

If your original footage is 1920x1080 and your project settings are 1920x1080, you'd be best to output 1920x1080 if you're showing your video online or on a computer or TV.

 

You don't say what operating system you're using, but you should be able to output 720x576 in any of several formats, including MP4. If you don't see several options, I'm not sure why.

    Ann Bens
    Community Expert
    Ann BensCommunity Expert
    Community Expert
    October 25, 2021

    I disagree on several points.

    Resolution has no bearing on the filesize.

    Filesize is determined by bitrate x duration and not the hight and width.

    Lower the bitrate and image quality drops.

    Its not advisable to output 720x576 in any other format then dv avi.

      Ann Bens
      Community Expert
      Ann BensCommunity Expert
      Community Expert
      October 24, 2021

      First of all dont mix framerates.

       

      Filesize = bitrate x duration

       

      If your original files are 30 fps and your project is too you wont get 25 frames in the export. You need to go into the advanced setting.

      But do not export 30 fps to 25.  Wont look good.

      Set your camera to 25 fps.

       

      Avi as in dv avi is Standard Sefinition which is 720x576. There is no other format.

       

       

        patrickv63917272
        patrickv63917272Author
        Participating Frequently
        October 28, 2021

        Thank you.  During many years AVI as the best format to export to. When you film in .mts and export to AVI, the quality will be excellent (lossless?) but only in a lower frame size,  am I right? But I presume it is ridiculous to export to an Avi-format unless if my recordings are from a time that 720x576 was the only format. I am a bit away from my original subject now: I archievd digitaly a lot of video's I made in the late 70's.  The format that I digitalised it to was a little bit guess-work as I did not know:  From an analogue SVHS to a digital file = which format to choose? I Understand that the frame rate ha-s to be thesame, no?

         

        Ann Bens
        Community Expert
        Ann BensCommunity Expert
        Community Expert
        October 28, 2021

        If you want to archive old VHS, mp4 would be the way to go now.

        No point in exporting to dv avi as you cannot play it anywhere but on a computer.

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