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Re: [podcasters] Distorted View

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  • Harold Johnson
    Certainly iTunes can generate VBR MP3s; I do it all the time! Harold http://SomethingthatHappened.com
    Message 1 of 3 , Dec 13, 2004
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      Certainly iTunes can generate VBR MP3s; I do it all the time!

      Harold
      http://SomethingthatHappened.com

      On Wed, 8 Dec 2004 18:17:47 +1100, andrew clarke <mail@...> wrote:
      > On Wed, Dec 08, 2004 at 06:41:18AM -0000, dvnetshow wrote:
      >
      > > 2) Is 64kbs/24khz the standard bitrate for speech-based podcasts?
      >
      > With a frequency response between 20 Hz and 12 KHz, a 24 KHz sample is
      > not really good enough. FM radio has better frequency response than
      > that.
      >
      > A 64 kbit, 44 KHz mono MP3 should be the norm for speech.
      >
      > Even better, encode your MP3 at a variable bitrate (VBR), with 64 kbit
      > as the maximum bitrate. Particularly with speech, there are a lot of
      > short audio bits (eg. gaps of silence) that don't require lots of bits
      > to represent (and still sound "audibly pleasant"), so consequently your
      > files should be a lot smaller overall than with a constant bitrate
      > (CBR). You will probably need to use the LAME encoder though. I don't
      > think iTunes can generate VBR MP3s.
      >
      > Regards
      > Andrew
      >
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