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| Downloads: 820
| Submitted: Jan 7 2010
Updated: May 4 2013
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Description:
a new tool for manipulating audiodata - antonia
Version 0.91
antonia is a small program that makes music visible. It calculates a detailed frequency spectrum of any *.wav - audio-files and lets you examine what different sounds, instruments and noises "look" like.
The frequency-scale is oriented at the human sound-perception and some other details of the grafics should give you the best possible visual representation. The original aim has been to build an audio-editor that uses this representation, but sadly, I ran into some serious problems with this. Nevertheless, if you want to know how the difference of drum-beats, a trumpet playing an "a" and a human singing this same note is encoded in the frequency-spectrum, this tool will give you the answer ;-)
Changelog:
0.91
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>fixed the problem with audio-playback and some other bug-fixes (I hope that this is the final solution. Qt's audio support is not as good by far as the other parts of the library)
0.9
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>removed everything that does not work well
>this program is limited to analyse the frequency spectrum
>this will be the last release (there might only be some bugfixes) as I ran into serious problems with my attempt to manipulate the data.
0.3
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>new representation of intensity: variable linear - logarithmic scale.
Enabling you to choose the ideal tradeoff between high contrast and many visible details.
>bugfixes and some minor improvements, better manual
>new video uploaded to youtube:
http://www.youtube.com/watch?v=xZ46GUbEi1E
>this release is dedicated to the winner of the eurovision song contest - Lena Meyer-Landrut
>OK, I admit I do this only for google-hits. (But actually this is more important than football)
0.2:
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>increased performance by usage of fast sin/cos functions
(fastMath.cpp - lookup-table for 1024 values with intelligent interpolation)
>reduced flicker by using OpenGL
>additional options
>possibility to create videos (and two videos uploaded to youtube)
http://www.youtube.com/watch?v=TdPq3dAKQm4
http://www.youtube.com/watch?v=RoISqbk5-pw
0.1:
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proof of concept: frequency-analysis and simple cut / copy operations implemented
License: GPL
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