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jMusic is a project designed to provide composers and software developers with a library of compositional and audio processing tools. It provides a solid framework for computer-assisted composition in Java, and is also used for generative music, instrument building, interactive performance, and music analysis. jMusic supports musicians with its familiar music data structure based upon note/sound events, and provides methods for organising, manipulating and analysing that musical data. jMusic scores can be rendered as MIDI or audio files for storage and later processing or playback in real-time. jMusic can read and write MIDI files, audio files, XML files, and its own .jm files; there is real-time support for JavaSound, QuickTime and MIDIShare. jMusic is designed to be extendible, encouraging you to build upon its functionality by programming in Java to create your own musical compositions, tools, and instruments. In a spirit of mutual collaboration, jMusic is provided free and is an open source project.

MAD is a high-quality MPEG audio decoder. It currently supports MPEG-1 as well as the MPEG-2 extension to Lower Sampling Frequencies. All three audio layers (Layer I, Layer II, and Layer III a.k.a. MP3) are fully implemented. MAD does not yet support MPEG-2 multichannel audio (although it should be backward compatible with such streams) or AAC, nor does it support the so-called MPEG 2.5 format. MAD has the following special features: - 24-bit PCM output - 100% fixed-point (integer) computation - completely new implementation based on the ISO/IEC standards - distributed under the terms of the GNU General Public License (GPL) The software is distributed as a library (libmad) and command-line front-end (madplay).

from the authors: The Festival Speech Synthesis System is a general multi-lingual text-to-speech system for Unix platforms. It is written in C++ and includes a Scheme-based scripting language. Included with Festival are lexicons and voices that together form a whole text-to-speech system. For output via esd do: (Parameter.set 'Audio_Method 'esdaudio) NAS and direct output are documented in section 23 of the users' manual. If you need the OGI extensions, install ports/audio/festival+OGI instead. Trevor Johnson

Beast is a powerful music composition and modular synthesis application. It supports a wide range of standards in the field, such as MIDI, WAV/AIFF/MP3/OggVorbis/etc audio files and LADSPA modules. It has excellent technical abilities like multitrack editing, unlimited undo/redo support, real-time synthesis support, 32bit audio rendering, full duplex support, multiprocessor support, precise timing down to sample granularity, on demand loading of partial wave files, on the fly decoding and full scriptability in scheme. The plugins, synthesis core and the user interface are actively being developed and translated into a variety of languages, regularly assimilating user feedback such as from our FeatureRequests page.

The CDDB module implements a Perl class for communicating with an audio compact disc database through the CDDBP protocol. It allows querying the database and submitting new entries to it via e-mail (the Mail::Internet and Mail::Header modules are required for submitting, but their absence won't affect other functions). Unlike its analogs, CDDB.pm doesn't try to read a disc in your CD-ROM by itself, but relies on the main program supplying disc data. Therefore, it is particularly useful for developing software that deals with alternative media, such as MPEG audio files.

TiMidity is a software synthesizer. It can play MIDI files by converting them into PCM waveform data; give it a MIDI data along with digital instrument data files, then it synthesizes them in real-time, and plays. It can not only play sounds, but also can save the generated waveforms into hard disks as various audio file formats. TiMidity 0.2i was written by Tuukka Toivonen <tt@cgs.fi> in 1995. No new version of this project has been released since then. Development has been continued by Masanao Izumo et al. in the new project named TiMidity++ (audio/timidity++).

Vorbis is a general-purpose audio and music encoding format contemporary to MPEG-4's AAC and TwinVQ, the next generation beyond MPEG audio layer 3. Unlike the MPEG sponsored formats (and other proprietary formats such as RealAudio G2 and Windows' flavor of the month), the Vorbis CODEC specification belongs to the public domain. All the technical details are published and documented, and any software entity may make full use of the format without royalty or patent concerns. This package contains utilities to encode, decode, and cut vorbis streams, and to add comments to them.

Cdparanoia is a Compact Disc Digital Audio (CDDA) Digital Audio Extraction (DAE) tool, commonly known on the net as a 'ripper'. The application is built on top of the Paranoia library, which is doing the real work (the Paranoia source is included in the cdparanoia source distribution). Cdparanoia reads audio from the CDROM directly as data, with no analog step between, and writes the data to a file or pipe in WAV, AIFC, or raw 16 bit linear PCM. Cdparanoia is a bit different than most other CDDA extraction tools. It contains few-to-no 'extra' features, concentrating only on the ripping process and knowing as much as possible about the hardware performing it. Cdparanoia will read correct, rock-solid audio data from inexpensive drives prone to misalignment, frame jitter, and loss of streaming during atomic reads. Cdparanoia will also read and repair data from CDs that have been damaged in some way. Cdparanoia is easy to use and administrate. It has no compile time configuration, happily autodetecting the CDROM, its type, its interface and other aspects of the ripping process at runtime. A single binary can serve the diverse hardware of the do-it-yourself computer laboratory from Hell.

DSBMixer is a tabbed GTK+ mixer for FreeBSD. For each installed mixer device as well as for USB sound devices plugged in at runtime, DSBMixer opens a tab. Furthermore, it allows you to configure several aspects of your sound card(s), such as selecting recording sources, choosing your default audio device, and amplification.

FluidSynth is a real-time software synthesizer based on the SoundFont 2 specifications. It is a "software synthesizer". FluidSynth can read MIDI events from the MIDI input device and render them to the audio device. It can also play MIDI files. Note: FluidSynth was previously called IIWU Synth.