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Audiere is a portable audio library which supports playing MP3, Ogg Vorbis, FLAC, WAV, IT, XM, S3M, and MOD files. You can use it from C, C++, Python, Java, Delphi, and any language that supports XPCOM (JavaScript in Mozilla, for example).
Online Guitar Tuner java applet which analyse your microphone or any other sound input to find fundamental frequency using a Fast Fourier Transform.
Classical "Vintage" design looking like real guitar tuners.
This program transforms the sound or the image using a single large FFT window and allows to do many interesting and strange effects to sounds and images. There is included another program who does extreme-time-stretch of the audio.
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qliss3d renders 3d-Lissajous-figures (figures made of a different sine functions for each dimension) with a Qt interface. You can look at the figures from any viewing position you like and even "listen" to the sound of the figures.
PerceptualDiff is an image comparison utility that compares two images using a perceptual metric. That is, it uses a computational model of the human visual system to determine if two images are visually different, so minor changes in pixels are ignored.
Good taste is subjective. A Friday afternoon radio station that plays a track from you and a track from each of your colleagues is the BOMB. Get Jizz and be your offices resident DJ extraordinaire.
AdPlug is a cross-platform OPL2 audio player library. AdPlug plays music, originally composed for the AdLib (OPL2) audio board, on top of an OPL2 emulator or by using the real hardware. There are multiple player software interfaces available.
RtMidiRouter is a small but powerful command line tool which allows you to route, manipulate and create MIDI messages. For reliable realtime performance RtMidiRouter is based on RtMidi. It is controllable via command line and network (OSC).
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Freevo is an open source HTPC media centre integrating PVR / DVR funtionality along with music, video, gaming, home automation and more. It is written in python and uses existing popular software such as mplayer, xine and vlc.
A set of Qt/C++ classes enabling cross-platform sound recording and pitch recognition. Can be used in software (e.g. instrument tuners, sound dictation, music teaching and tests) as a user input method. Includes a guitar-tuner example.
InterPhoto Gallery is an open-source cms written by PHP and based on MySql, and it can primely protect the images of your site. InterPhoto can be used to build all kinds of sites which lay out images mainly, such as: design, fashion, exhibition, phot
Library and command line utility to store binary data in FLAC application metadata blocks, specifically ISO data tracks. Using the data in these blocks it is possible to archive and recreate a bit accurate copy of Enhanced CD/CD Extra discs.
Boodler is a tool for creating soundscapes -- continuous, infinitely varying streams of sound.
** Migrated to Github: https://github.com/erkyrath/boodler
The SPIN (Spatial Interaction) Framework is a networked system for creating and managing interactive virtual environments. It contains a state server and several clients that provide visualization, layout & editing, management of input devices, etc.
Grab movie info fast and easy. MRF is a software designed to fetch movie information from user folder. It can read files with garbled name in english or russian, and will try to predict its name using its own mechanism and web services.
Apolmb is a simple PHP- and Flash-only media browser/viewer for online directories. In the current version it shows images and plays audio and video content. Apolmb is based on OpenLaszlo.
A viewer for image sequences, aimed to be a professional tool for viewing animation frames rendered with 2D and 3D editing software. It is cross-platform, fast, supports many image formats and OpenGL rendering.
ScanTWAIN is an Open Source TWAIN production quality scanning application based on QT 3.x. ScanTWAIN allows for duplex scanning from automatic document feeder (ADF) based scanners via TWAIN.
FX Player is a Web-based streaming server with a Flash iTunes-like interface. It shares your MP3 library and allow access to your tracks through the Internet. Coded in Java, FX Player run on most platforms, including Mac OS X, Windows, Linux and Unix.
The Zahlemann site used to be the home of the Zahlemann project (which currently sleeps). Now I use it for different little tools I write. See project home page (http://zahlemann.sourceforge.net) for more information.