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Singal Generator for Psychoacoustics testing

For Psychoacoustics testing in Product Sound Quality, I design a new singal generator, which can generator Bark Tone and Bark Noise and can change their Psychoacoustics parameter, such as Loudness and Roughness.
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Below are some MP3 files that are generated by this program. Quite interesting. Click items to play.
1.Bark Tones
Tone4(400Hz) Tone6(630Hz) Tone8(920Hz) Tone11(1480Hz) Tone14(2320Hz) Tone18(4400Hz) Tone22(9500Hz)
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2.Bark Noise
Noise4 Noise6 Noise8 Noise11 Noise14 Noise18 Noise22
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3.Changing Roughness
Noise8 Noise8_3 Noise8_6 Noise8_9 Noise8_12    
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4.Changing Tonality
Noise8 Noise8Tone5 005 Noise8Tone5_010 Noise8Tone5_025 Noise8Tone5_100    
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