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  • \$\begingroup\$ I think you should have added another answer, instead of embedding your two answers into one post \$\endgroup\$ Commented Feb 8, 2016 at 19:31
  • \$\begingroup\$ @anatolyg These are not two answers, this is one method with two versions, the latter being improved by using another codec. \$\endgroup\$ Commented Feb 8, 2016 at 20:54