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  1. #1

    brairden's Avatar
    Member Since
    Jul 24, 2010
    Dayton, Ohio
    2 iMacs, 1 MBP, 1 UMB, 1 mini
    HD .3gp conversion for iMovie
    I am trying to convert movie files taken with my EVO 4g for use in iMovie. The format the evo saves in is .3gp. Finder's more info option shows the following details for these files

    dimensions: 1280x720
    Codecs: MPEG-4 Video, AMR Narrowband
    Duration: 2:25
    Audio channels: 1
    Total bit rate: 8,015

    I have no idea what the frame rate is.

    I have tried using MPEG Streamclip to convert to .mov at full quality, but I still seem to get quite a bit of quality loss.

    Does anyone know of a better format to convert these to which will make them editable in iMovie AND keep the original HD quality? Is iMovie capable of editing this?
    15" 2.53ghz i5 MacBook Pro (2010) 8gb, 500gb HD - 60gb OWC SSD
    13" 2.4ghz MacBook Unibody (late 2008) 4gb, 250gb
    24" 2.4ghz Aluminum iMac (mid 2007) 3gb, 1tb
    mini 2.0ghz - 32gb iPhone 4

  2. #2

    Member Since
    Feb 25, 2009
    Late 2013 rMBP, i7, 750m gpu, OSX versions 10.9.3, 10.10
    I think the default setting is Motion Jpeg for quicktime files in mpegstreamclip, have you tried a different codec (like H.264? Or better yet if you have it Apple Intermediate Codec (will take a lot of space, but is very low compression)?)
    My Macs: Late 2013 rMBP w/ 750m; Mac mini G4, 1.25 GHz, 512m ram (server); Late 2011 11" MBA, 1.8GHz i7, 4Gig Ram, 256Gig SSD, HD3000; Powerbook 12" G4 1.33GHz running Debian as a server; Apple TV (1080p version)

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