Posts with the tag audio editing

Apply a Lowpass Filter to an mp3 Audio File

A lowpass filter can be applied using the command line tool sox. It tool can be installed like this on Ubuntu:

sudo aptitude install pacpl sox

Convert the audiofile to wave first (using Perl Audio Converter as sox has no mp3 support compiled in on Ubuntu systems):

pacpl --to...

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Sony ICD-SX800

Positive:

  • Plugging this audio recorder into the computer (connecting to its MiniUSB port) makes it show up as data storage device. So you can get the recordings off the device without any software on the computer.
  • Sound quality is exceptional.
  • You can plug the device into a power-only USB wall adapter. It can...

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