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Ardour is a digital audio workstation. You can use it to record, edit, and mix multi-track audio. Produce your own CD's. Mix video soundtracks. Experiment with new ideas about music and sound. Generate sound installations for 12 speaker gallery shows. Ardour capabilities include: multichannel recording, non-linear, non- destructive region based editing with unlimited undo/redo, full automation support, a mixer whose capabilities rival high end hardware consoles, lots of plugins to warp, shift, and shape your music, and controllable from hardware control surfaces at the same time as it syncs to timecode. If you have been looking for a tool similar to ProTools, Nuendo, Cubase SX, Digital Performer, Samplitude, or Sequoia, you might have found it.

Ezstream is a command line source client for Icecast media streaming servers. It began as the successor of the old "shout" utility, and has since gained a lot of useful features. In its basic mode of operation, it streams media files or data from standard input without reencoding and thus requires only very little CPU resources. It can also use various external decoders and encoders to reencode from one format to another, and stream the result to an Icecast server. Additional features include scriptable playlist and metadata handling. All of its features make ezstream a very flexible source client. Supported media formats for streaming are MP3, Ogg Vorbis and Ogg Theora. Native metadata support includes MP3 (ID3v1 only) and Ogg Vorbis, and many more formats when the optional TagLib support has been compiled in. Ezstream is free software and licensed under the GNU General Public License.

LibAiff is a library for C applications, providing transparent read and write operations for Audio Interchange File Format files. With LibAiff your application can easily use the Audio IFF format to interchange digital audio. LibAiff wants to implement all the features of the AIFF 1.3 standard, including markers, comments, etc. This version of LibAiff supports the following features: * Reading any valid Audio IFF file. * Writing a valid Audio IFF file. * Reading a compressed AIFF Compressed (AIFC) file with audio encoded in Linear PCM, both big-endian and little-endian. * Read & write samples in all formats supported by the Audio IFF standard. * Convert any sample format to and from 32 bits. * Getting and setting all the AIFF Attributes. * Reading and writing markers to positions on the sound. * Reading instrument data from AIFF files.

Basically, SIDPLAY is just an ordinary music player software. More specifically, it emulates the Sound Interface Device chip (MOS 6581, known as SID) and the Micro Processor Unit (MOS 6510) of the Commodore 64 on your computer. Its platform-independent software emulates hardware components. Therefore it is able to load and execute C64 machine code programs which produce music or sound. In general, these are independent fragments of code and data which have been ripped from games and demonstration programs and were transferred directly from the C64. All you need is a supported operating system and audio hardware with average PCM waveform playback capabilities. A fast CPU and a 16-bit sound card are recommended for better performance. This is just the library. To actually use it, you need one of the front-ends like 'sidplay' or 'xsidplay'.

Mp3Splt-project is a utility to split mp3 and ogg files selecting a begin and an end time position, without decoding. It's very useful to split large mp3/ogg to make smaller files or to split entire albums to obtain original tracks. If you want to split an album, you can select split points and filenames manually or you can get them automatically from CDDB (internet or a local file) or from .cue files. Supports also automatic silence split, that can be used also to adjust cddb/cue splitpoints. You can extract tracks from Mp3Wrap or AlbumWrap files in few seconds. For mp3 files, both ID3v1 & ID3v2 tags are supported. Mp3splt-project is split in 3 parts : libmp3splt, mp3splt and mp3splt-gtk.

libnoise is a portable C++ library that is used to generate coherent noise, a type of smoothly-changing noise. libnoise can generate Perlin noise, ridged multifractal noise, and other types of coherent-noise. Coherent noise is often used by graphics programmers to generate natural-looking textures, planetary terrain, and other things. The mountain scene shown above was rendered in Terragen with a terrain file generated by libnoise. You can also view some other examples of what libnoise can do. In libnoise, coherent-noise generators are encapsulated in classes called noise modules. There are many different types of noise modules. Some noise modules can combine or modify the outputs of other noise modules in various ways; you can join these modules together to generate very complex coherent noise.

Audio::MPD gives a clear object-oriented interface for talking to and controlling MPD (Music Player Daemon) servers. A connection to the MPD server is established as soon as a new Audio::MPD object is created. Note that the module will by default connect to mpd before sending any command, and will disconnect after the command has been issued. This scheme is far from optimal, but allows us not to care about timeout disconnections. /!\ Note that Audio::MPD is using high-level, blocking sockets. This means that if the mpd server is slow, or hangs for whatever reason, or even crash abruptly, the program will be hung forever in this sub. The POE::Component::Client::MPD module is way safer - you're advised to use it instead of Audio::MPD. Or you can try to set conntype to $REUSE (see Audio::MPD constructor for more details), but you would be then on your own to deal with disconnections.

Basically, SIDPLAY is just an ordinary music player software. More specifically, it emulates the Sound Interface Device chip (MOS 6581, known as SID) and the Micro Processor Unit (MOS 6510) of the Commodore 64 on your computer. Its platform-independent software emulates hardware components. Therefore it is able to load and execute C64 machine code programs which produce music or sound. In general, these are independent fragments of code and data which have been ripped from games and demonstration programs and were transferred directly from the C64. All you need is a supported operating system and audio hardware with average PCM waveform playback capabilities. A fast CPU and a 16-bit sound card are recommended for better performance.

adapted from the Web page and the README: Spiral Synth is a physically modelled, monophonic, analogue synthesizer. It is capable of creating the kind of sounds made by hardware analogue synths, the noises used in electronic music. You can also use it to make stranger sounds. MIDI is supported, including velocity detection, mapped to the volume of the oscillators (but you can also use the PC keyboard to play the synth). Output is to /dev/dsp or in Microsoft RIFF (.WAV) format to a file. You can save and recall your sounds using the 100 patch save slots. The PC keyboard can be used to play the synth, "q" & "z" are C, and the keys progress from them: "2" is C#, "w" is D, etc. These are just the defaults, and can be changed from the .Spiralrc file. The function keys change the octave. Sample output and a detailed list of features can be found on the home page. Trevor Johnson

Netperf is a serious networking performance evaluation tool being distributed under GPL by HP's Information Networks Division. Testing is done using a pair of programs: `netserver' (the server) and `netperf' (the measurement tool). Netperf allows control over a large number of test `variables'. Some of these are: * specification of desired confidence levels for the tests Netperf will warn the user if these levels were not achieved. * filling send buffers with specified data (to beat compression schemes) * specification of send/receive buffer alignments and data offsets * requesting CPU utilization and service demand calculations * specification of sizes of data to send Netperf can be used for measuring stream performance as well as round-trip performance.