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ALURE is a utility library to help manage common tasks with OpenAL applications. This includes device enumeration and initialization, file loading, and streaming. As of version 1.1, it is X11/MIT licensed, allowing it to be used in open- and closed-source programs, freeware or commercial. The purpose of this library is to provide pre-made functionality that would otherwise be repetitive or difficult to (re)code for various projects and platforms, such as loading a sound file into an OpenAL buffer and streaming an audio file through a buffer queue. Support for different formats is consistant across platforms, so no special checks are needed when loading files, and all formats are handled through the same API. Currently ALURE includes a basic .wav and .aif file reader, and can leverage external libraries such as libSndFile (for extended wave formats and several others), VorbisFile (for Ogg Vorbis), FLAC (for FLAC and Ogg FLAC), and others. External libraries can also be dynamically loaded at run-time, or individually disabled outright at compile time.

amp (Audio Mpeg Player) is an MPEG audio decoder which was originally started putting together as a side project of the MPEG hardware design project at FER/Zagreb - just to confirm my knowledge of the standard. It works with both MPEG1 and MPEG2 audio streams, layer3 and for now the multichannel extensions defined in MPEG2 too.

The LinuxSampler project was founded with the goal to produce a free, streaming capable open source pure software audio sampler with professional grade features, comparable to both hardware and commercial Windows/Mac software samplers and to introduce new features not yet available by any other sampler in the world.

Mp3ck is a portable utility for checking the consistency of MPEG Layer 2 or 3 streams or files. The primary accent of the check is on the seamless flow of frames and tags since most MPEG defects introduced by aborted network transfers manifest themselves in its breakage.

This is a command-line utility which tries to determine the encoder used to create an mp3 file. Each encoder has unique characteristics fingerprinted into each file. This program analyzes algorithms that are used in any given file and determines which encoder was used. For example the Xing encoder never uses short blocks.

Mp3Wrap is a command-line utility that wraps two or more mp3 files in one single large playable mp3, without losing filenames and ID3 informations (and without need of decoding/encoding). Also with the possibility of including other non mp3 files, such as PlayLists, info files, cover images, inside the mp3.

3GPP Adaptive Multi-Rate Floating-point (AMR) Speech Codec Shared Library 3GPP released reference implementation of 3GPP Adaptive Multi-Rate Floating-point (AMR) Speech Codec (3GPP TS 26.104). http://www.3gpp.org/ftp/Specs/html-info/26104.htm This package converts 3GPP TS 26.104 reference implementation of AMR-NB to a shared library.

3GPP AMR Adaptive Multi-Rate - Wideband (AMR-WB) Speech Codec Shared Library 3GPP released reference implementation of 3GPP AMR Adaptive Multi-Rate - Wideband (AMR-WB) Speech Codec (3GPP TS 26.204). http://www.3gpp.org/ftp/Specs/html-info/26204.htm This package converts 3GPP TS 26.204 reference implementation of AMR-WB to a shared library.

Audio::Mixer - Perl extension for Sound Mixer control This is just a very simple Perl interface which allows to set various sound mixer parameters. The most important probably 'vol' (volume). The list of all mixer parameters can be obtained using get_mixer_params() function. All values (lcval, rcval) are numbers in 0-100 range.

The Network Audio System is designed for playing, recording, and manipulating audio data over a network. Like the X Window System, it uses the client/server model to separate applications from the specific drivers that control audio input and output devices.