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Open Source Audio Library  
This is the home page for the Open Source Audio Library Project. This is a project designed to implement a world class set of classes in C++ that will handle all of the audio functions one would like. It is designed to be multi-platform with UNIX based platforms as the base. This project is still in the design phase but an alpha version that will illustrate the power and flexibility is now available. This initial version will support the Linux (OSS) audio device, WAV, and MP3 formats. It is important to note that this is not an application but a C++ library that others can use to create an audio application.
Submitted: Jan 23, 2000
Clear, Efficient Musical Signal Processing in ANSI C  
The popularity of the C programming language and its derivatives in signal processing applications is increasing. Two books specifically about signal processing in C have recently become available [Reid, David]. A broad collection of numerical algorithms with implementations in C, Fortran and Pascal has been available for some years [Press]. Efforts are underway to develop an ANSI standard for Digital Signal Processing extensions to C [Leary]. A discussion of the advantages and disadvantages of C for numerical computing may be found in [MacDonald].
Submitted: Jan 13, 2000
STK is a set of audio signal processing C++ classes and instruments for music synthesis. You can use these classes to create programs which make cool sounds using a variety of synthesis techniques. This is not a terribly novel concept, except that STK is very portable (it's mostly platform-independent C and C++ code) AND it's completely user-extensible. So, the code you write using STK actually has some chance of working in another 5-10 years. STK currently works on SGI (Irix), Linux, NeXTStep, and Windows computer platforms.
Submitted: Jan 11, 2000
The Vector/Signal/Image Processing Library (VSIPL) Forum is working to define an industry standard API for vector, signal, and image processing primitives for embedded real-time signal processing systems. They have provided a reference implementation of that API as a library.
Submitted: Nov 22, 1999
DSPower-HWLib is a Windows Library which offers an interface to off-the-shelf DSP/acquisition hardware for user-defined C/C++, Visual Basic, and MATLAB® programs. Low-level functions include board control, block memory transfers, DSP executable file download, etc. High-level functions include data acquisition, waveform record/playback, signal synthesis, stimulus & response measurement, and DSP/math functions.
Submitted: Dec 09, 1999
The Festival Speech Synthesis System  
A general multi-lingual speech synthesis system developed at the Center for Speech Technology Research at the University of Edinburgh. Festival is a full text to speech system with various APIs as well as an environment for the research and development of speech synthesis techniques. It is written in C++ with a Scheme-based command interpreter ( SIOD) for general control. The features of Festival include: English (British and American), Spanish and Welsh text to speech; externally configurable language independent modules including phonesets, lexicons, letter-to-sound rules, tokenizing, part of speech tagging, intonation and duration; waveform synthesizers; MBROLA database support; and SSML/STML, Emacs, client/server, and scripting interfaces.
Submitted: Jan 10, 2000
Bio Feedback/Brain Computer Interface SDK  
Here you can find a free Software Development Kit for your Biofeedback and/or Brain Computer Interface applications. It is mainly designed to help people with severe impairments, but all the kind of applications that have to trigger an action in response to some external signal can benefit from it. Moreover. it has been designed to be independent from the operating system and also highly independent from the used acquisition boards.
Submitted: Nov 21, 2000
Dataplore® is a software tool designed for the analysis of signals and time series data of any kind, in particular for scientific, economic and engineering purposes. The guidelines for the design of Dataplore® were: Easy-to-use graphical user interface. High level of integration of a wide variety of signal processing functions in a common interface. State-of-the-art functionality for modern systems analysis. Support of all standard hardware and software platforms.
Submitted: Jul 12, 1999

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