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gnuspeech makes it easy to produce high quality computer speech output, design new language databases, and create controlled speech stimuli for psychophysical experiments. gnuspeechsa is a cross-platform module of gnuspeech that allows command line, or application-based speech output

This is version 1.6P-7 of GramoFile (patches are from the debian package). With this program you can record audio of (for example) gramophone records, process the signal and listen to the results. Because sound files of the .WAV-format are used, it is possible to exchange the files with many other programs. Cdrecord(1) can burn CD-Recordables of these, so you can make CDs with the music of your favorite records. The user interface of GramoFile has a windows-like look-and-feel, making it fairly easy to use. One of the most important parts of GramoFile is the ability to process digital audio signals. Through the application of several filters it is possible to accomplish a significant reduction of disturbances like ticks and scratches. Another interesting feature is the track splitting. Just make one .wav file of an entire side of an record and GramoFile will detect where the individual tracks are located. This happens fully automatically, without need to set any options. More experienced users may fine-tune the algorithm, or change the detected track starts and ends, but generally that will not be necessary. Track-times are saved in an editable (plaintext) .tracks file, that will be used during the signal processing to produce one processed .wav file for each individual track.

This is a daemon that converts a GuitarHero device into a JACK MIDI device.

This is a daemon that converts a raw MIDI device into a JACK MIDI device.

Ruby-taglib is a ruby library wrapping the Taglib library, simple dl-based wrapper of Taglib's C library. It's short and sweet, because the C API is written by someone who knows how to use OO programming, and Ruby with dl just makes it all too easy to wrap such a library.

This Audio File Library is an implementation of the SGI Audio File library. Since the latter is specified ambiguously in places, I've taken some liberties in interpreting certain such ambiguities. At the present, not all features of the SGI Audio File library are implemented. I feel, though, that this implementation of the Audio File Library offers enough functionality to be useful for general tasks. This library allows the processing of audio data to and from audio files. Support file formats: AIFF/AIFF-C (.aiff, .aifc) WAVE (.wav) NeXT .snd/Sun .au (.snd, .au) Berkeley/IRCAM/CARL Sound File (.sf) Audio Visual Research (.avr) Amiga IFF/8SVX (.iff) Sample Vision (.smp) Creative Voice File (.voc) NIST SPHERE (.wav) Core Audio Format (.caf) FLAC (.flac) Supported compression formats: G.711 mu-law and A-law IMA ADPCM Microsoft ADPCM FLAC ALAC (Apple Lossless Audio Codec)

Oggz provides a simple programming interface for reading and writing Ogg files and streams. Ogg is an interleaving data container developed by Monty at Xiph.Org, originally to support the Ogg Vorbis audio format. liboggz supports the flexibility afforded by the Ogg file format while presenting the following API niceties: * Strict adherence to the formatting requirements of Ogg bitstreams, to ensure that only valid bitstreams are generated * A simple, callback based open/read/close or open/write/close interface to raw Ogg files * A customisable seeking abstraction for seeking on multitrack Ogg data * A packet queue for feeding incoming packets for writing, with callback based notification when this queue is empty * A means of overriding the IO functions used by Oggz, for easier integration with media frameworks and similar systems. * A handy table structure for storing information on each logical bitstream

Secret Rabbit Code (aka libsamplerate) is a Sample Rate Converter for audio. SRC is capable of arbitrary and time varying conversions ; from downsampling by a factor of 12 to upsampling by the same factor. Arbitrary in this case means that the ratio of input and output sample rates can be an irrational number. The conversion ratio can also vary with time for speeding up and slowing down effects.

Libsndfile is a C library for reading and writing files containing sampled sound (such as MS Windows WAV and the Apple/SGI AIFF format) through one standard library interface.

The universal MIDI library is a multithreaded MIDI processing toolkit which can be used by realtime and non-realtime applications to load, save, modify and playback MIDI files. The umidi20 library supports direct playback and recording through JACK MIDI, FIFOs and character device nodes.