roseway has packages Sox for VL 5.8. The package can be found in the testing repository.
sox: sox (Sound eXchange)
sox: SoX (Sound eXchange) is the Swiss Army knife of sound
sox: processing tools: it translates sound files between many
sox: different file formats, and can apply many sound effects
sox: and transforms, as well as doing basic analysis and
sox: providing input to more capable analysis and plotting
sox: Website: http://sourceforge.net/projects/sox/
sox: License: GNU GPL and LGPL
sox: Author: See website
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