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Activity Forums Compression Techniques Conversion

  • Posted by Dan Newton on October 11, 2009 at 6:43 pm

    Hey

    I have two urgent questions which I need help in:-

    1. I have been asked to convert a MOV to a mpeg 2
    now the program I normally use is Sorenson Squeeze and Final Cut Studio Compressor —
    but I normally use Squeeze to do mainly mpeg One CONVERSIONS

    I am not sure how to do a mpeg 2 conversion

    here are the requirements:-

    format: mpeg 2
    width : 720
    height: 480
    crop to center: – 1.333:1
    Padding: None
    frame rate: 30 FPS
    Aspect Ratio: 4:3
    field dominance: automatic
    average daTA RATE: 5 (MBPS)
    MAXIMUM DATA RATE: 7.5 (MBPS)

    Could you tell me the steps I would need to do — to do something like this

    2. I have a video (quicktime mov) which is a Pal format: 720 x 576
    they have asked me to give it in a ntsc format — both as 4:3 and 16:9
    in NTSC format .
    how would i do this if I was to export it as a quicktime movie as a 4:3 and 16:9 —
    please help
    what settings would I set to make it in a ntsc format

    Cheers

    Daniel Low replied 16 years, 10 months ago 2 Members · 9 Replies
  • 9 Replies
  • Daniel Low

    October 11, 2009 at 10:12 pm

    [Dan Newton] “what settings would I set to make it in a ntsc format”

    You use the settings they have supplied you, start with an MPEG-2 NTSC preset and adjust as they have told you to:

    width : 720
    height: 480
    crop to center: – 1.333:1
    Padding: None
    frame rate: 30 FPS
    Aspect Ratio: 4:3
    field dominance: automatic
    average daTA RATE: 5 (MBPS)
    MAXIMUM DATA RATE: 7.5 (MBPS)

    It’s not going to look great as you are ‘standards converting’ from PAL to NTSC. Ideally you’d get your footage professionally standards converted first.

    __________________________________________________________________
    “There’s no chance that the iPhone is going to get any significant market share. No chance.”

    Steve Ballmer To USA Today: 30 April 2007

    “We and Apple are neck and neck and we’re chasing the two
    other players,”

    Steve Ballmer, referring to Nokia and Research in Motion. October 6th 2009

  • Dan Newton

    October 13, 2009 at 6:49 am

    Hey

    Thanks for the feedback —

    when I use Squeeze — the format comes as mkv or something

    shouldn’t it come with an mpeg output?

    please help

  • Daniel Low

    October 13, 2009 at 7:30 am

    [Dan Newton] “when I use Squeeze — the format comes as mkv or something”

    I’m fairly sure that Squeeze doesn’t support the mkv wrapper. Are you sure that’s it’s not m2v?

    __________________________________________________________________
    “There’s no chance that the iPhone is going to get any significant market share. No chance.”

    Steve Ballmer To USA Today: 30 April 2007

    “We and Apple are neck and neck and we’re chasing the two
    other players,”

    Steve Ballmer, referring to Nokia and Research in Motion. October 6th 2009

  • Dan Newton

    October 13, 2009 at 8:21 am

    whoops my bad

    yes m2v — how come it doesn’t have a mpeg output

  • Daniel Low

    October 13, 2009 at 8:31 am

    [Dan Newton] “yes m2v — how come it doesn’t have a mpeg output”

    That is MPEG-2. ‘m2v’ stands for “MPEG-2 Video”.

    Your audio will be encoded as a separate file ready to be taken into your DVD authoring application.

    https://en.wikipedia.org/wiki/M2V

    __________________________________________________________________
    “There’s no chance that the iPhone is going to get any significant market share. No chance.”

    Steve Ballmer To USA Today: 30 April 2007

    “We and Apple are neck and neck and we’re chasing the two
    other players,”

    Steve Ballmer, referring to Nokia and Research in Motion. October 6th 2009

  • Dan Newton

    October 13, 2009 at 11:07 am

    Hey

    Thanks for the feedback

    ok two questions

    1. I need to send the mpeg 2 to a client so they can view it on their computer and they only require mpeg 2 — i don’t want to send it to them seperately with the audio.

    2. on squeeze there are numerous options … I.E. lg, dvdlg etc… and when you are in the settings window — do I set it on program or elementary and which option do I choose: lg, dvdlg etc..,

    Please Help

  • Daniel Low

    October 13, 2009 at 12:45 pm

    You need to output a program stream on order for the audio and video to be part of the same file.

  • Dan Newton

    October 13, 2009 at 9:19 pm

    Hey

    Thanks for the feedback

    so what would the output normally be

    will it be

    .MPEG or .M2V

  • Daniel Low

    October 13, 2009 at 9:29 pm

    [Dan Newton] “so what would the output normally be”

    It depends on the use of the output, but it will never be .mpeg but rather .mpg.

    MPEG-2 can have the following extensions depending on output type.

    .mpg
    .m2v
    .ts
    .m2t
    .mxf

    etc..

    __________________________________________________________________
    “There’s no chance that the iPhone is going to get any significant market share. No chance.”

    Steve Ballmer To USA Today: 30 April 2007

    “We and Apple are neck and neck and we’re chasing the two
    other players,”

    Steve Ballmer, referring to Nokia and Research in Motion. October 6th 2009

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