SpecAnaSyn

Spectral Analysis and Synthesis of Sounds

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BSD Linux

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Description

This project provides two binaries, mostly identical in features: a command line application (using libpopt for option parsing), and a graphical application (using libgtkmm (version 2) for the GUI and libao for sound playing). It uses spectral modelling techniques for parameterized sound analysis and synthesis. For the analysis phase an STFT is done (using libfftw for doing FFTs), and then harmonic/sinusoidal analyis. For the synthesis phase additive synthesis is used. Using libsndfile for sound loading and saving allows to support many uncompressed sound file formats (WAV, AIFF, AU, headerless RAW, ...), and also OGG and FLAC, but MP3 isn't supported.

Available parameters include window type, size, and overlapping; sinusoid discarding; equalization; time strechting, frequency scaling and shifting; frequency and amplitude interpolation; normalization; dynamic range compression and expansion, etc.

It can be used to obtain new sounds, from existing sound files.

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Additional Project Details

Intended Audience

Advanced End Users, End Users/Desktop

User Interface

GTK+

Programming Language

C++

Registered

2009-10-30
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