Spectracizer can do real-time analysis of audio signals coming through the sound card. It can also do static analysis of WAV audio files. Bandwidth of 5.5 to 22Khz, and frequency resolution between 43Hz and 0.3Hz are its features. Spectracizer has a simple oscilloscope-like display for analyzing these waveforms. You can also use it to synthesize complex wave forms and analyze them.
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