Ecasound

Ecasound is a hard-disk recording and audio processing tool for Unix-like computer operating systems including Linux, Mac OS X, and FreeBSD.

Ecasound allows flexible interconnection of audio inputs, files, outputs, and effects algorithms, realtime-controllable by built-in oscillators, MIDI, or inter-process communication via GUI front-end. Ecasound supports JACK and LADSPA effects plug-ins.

The team leader is Kai Vehmanen, with dozens of contributors. Kai joined the project in 1995, when it was called wavstat, a simple DSP utility running under OS/2. Available under the GNU General Public License, Ecasound is free software.

User Interface

Ecasound is a command-line tool: it does not include a native graphical interface. Major tasks (recording, mixdown) can be easily performed directly from the command line interface, or by scripts. Several GUI front-ends have been written for it:

EcaEnveloptor – Creates envelopes for ecasound objects, requires PyGTK & pyecasound. Non-realtime. By Arto Hamara (13/06/2001) Nama – multi-track recorder, mixer and mastering application. Tk and ReadLine interfaces. By Joel Roth (13/01/2010) EMi (Ecasound Mastering interface) – virtual rack-mount effect. Python-based. By Felix Le Blanc (27/04/2006) GAS (Graphical Audio Sequencer) – multi-track recording and mixing. GTK based. by Luke Tindall. (2001) (?-site down) TkEca – Controls almost all features: multi-track recorder/mixer. Tcl/Tk interface. By Luis Gasparotto (29/01/2004) Visecas – Preserves Ecasound semantics: edits chains & audio objects, not tracks/regions. GTK+-based. By Jan Weil (22/01/2004)

Ecasound

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