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         Translation times between formats (in milliseconds)
          Source Format (Rows) Destination Format(Columns)

         g723   gsm  ulaw  alaw  g726 adpcm  slin lpc10  g729 speex  ilbc
   g723     -     -     -     -     -     -     -     -     -     -     -
    gsm     -     -     2     2     2     2     1     3     -     -    12
   ulaw     -     2     -     1     2     2     1     3     -     -    12
   alaw     -     2     1     -     2     2     1     3     -     -    12
   g726     -     2     2     2     -     2     1     3     -     -    12
  adpcm     -     2     2     2     2     -     1     3     -     -    12
   slin     -     1     1     1     1     1     -     2     -     -    11
  lpc10     -     2     2     2     2     2     1     -     -     -    12
   g729     -     -     -     -     -     -     -     -     -     -     -
  speex     -     -     -     -     -     -     -     -     -     -     -
   ilbc     -     3     3     3     3     3     2     4     -     -     -