Podcast conversions -- what's going on?

Discussion in 'iPod' started by Mustafa, May 29, 2005.

  1. Mustafa macrumors regular

    Jun 23, 2003
    Shenfield, Essex, UK
    If I download a 90 min podcast via iPodder X, the mp3 file in iTunes is 16.8 MB. If I choose the 'convert to AAC and make bookmarkable' option, the file becomes a 42.3 MB m4a.

    First question -- why does it become so large -- wouldn't you expect it to be smaller than the mp3?

    Second question -- why doesn't it become an m4b file -- the audiobook format that would make it bookmarkable?
  2. Cybernanga macrumors regular

    Oct 27, 2004
    Essex, United Kingdom
    Hve you checked that you are not re-encoding at a higher sample rate. That would be the first thing I would check if the m4a is larger than the mp3

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