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file formats



SoX, which stands for Sound eXchange, is a command line tool used for various types of audio processing and manipulation. Sox is a very flexible tool and can be used in scripting. Amongst other things, it can be used for audio format conversion/encoding, editing, applying of effects, and the playback/recording of audio files.


BWF stands for Broadcast Wave Format. A BWF file is the same as a .wav file (including the .wav extension) except that it additionally includes timecode data.



SoundConverter is a lightweight, intuitive tool for converting between audio formats. It can read from and convert to all the common codecs in varying bitrates.


FLAC is a free and open source audio compression format. It stands for Free Lossless Audio Codec. FLAC files use lossless compression, meaning that the file size is compressed while retaining full sound quality. FLAC encoded files can typically be compressed by up to 50%. More info can be found on the FLAC website.


Ogg Vorbis is a free and open source lossy audio codec. Is similar to the MP3 codec although it's sound quality is better at lower bitrates when compared to MP3. That and it is a truly free alternative, whereas MP3 is a proprietary codec. OGG is maintained by the Xiph.Org Foundation. More info can be found at the Xiph.Org website.

How do I convert an audio file to MP3?

Download and install Audacity and the LAME MP3 plugin.

Open your audio file in Audacity and export it as an mp3. Use a bitrate of 192 or above.

You can also use the OGG format.

Soundconverter is also a very useful tool for converting audio formats.

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