ecasound: Ecasound ( Multitrack Audio Processing )
ecasound:
ecasound: Ecasound is a software package designed for multitrack audio
ecasound: processing. It can be used for simple tasks like audio playback,
ecasound: recording and format conversions, as well as for multitrack effect
ecasound: processing, mixing, recording and signal recycling. Ecasound 
ecasound: supports a wide range of audio inputs, outputs, and effect
ecasound: algorithms.
ecasound:
ecasound: http://ecasound.sourceforge.net/ecasound/index.php
ecasound: