The Complete Stereo Imaging And Analysis Tool. StereoTool offers ultra-precise control of input gain and individual pan for left and right channels, accurate visual feedback reflecting the signal content with; a vectorscope, PPM meters for inputs/outputs, phase correlation meter permanently monitoring the signal and individual left and right polarity reversal – No dongle or registration required – 100% Freeware!
Spetralissime is a standalone Spectrum Analyzer application based on high precision band pass filter bank, more adapted to the human audition. Spectralissime gives a more consistent spectrum analysis and allows better understanding of any audio phenomena thanks to its constant precision, from 20 Hz to 20 kHz.
WaveSurfer is an open source tool for sound visualization and manipulation. Typical applications are speech / sound analysis and sound annotation / transcription. WaveSurfer may be extended by plug-ins as well as embedded in other applications. Features:
Customizable – users can create their own configurations. Localization support.
Extensible – new functionality can be added through a plugin architecture.
Embeddable – WaveSurfer can be used as a widget in custom applications.
Transcription file formats – reads, and writes HTK (and MLF), TIMIT, ESPS/Waves+, and Phondat. Support for encodings and Unicode.