Ecasound

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Ecasound

Developer(s)	Kai Vehmanen
Initial release	1995[1]
Stable release	2.9.3 (January 11, 2020; 5 years ago (2020-01-11)) [±]
Preview release	None [±]
Written in	C++
Operating system	Cross-platform
Platform	IA32, PowerPC, ARM, SPARC
Available in	?
Type	hard-disk recording audio processing
License	GPL-2.0-or-later
Website	http://nosignal.fi/ecasound/index.php

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 builtin oscillators, MIDI, or interprocess 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.

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)

• List of free software for audio
• List of Linux audio software

• Official website

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