Signal Synthesizer

Singal Type: sinewave square wave sawtooth wave triangular wave

Frequency (100 Hz - 4000 Hz)		Amplitude (0 - 1)
Frequency 1: 440 Hz		Amplitude 1: 0.5
Frequency 2: 1000 Hz		Amplitude 2: 0
Frequency 3: 2000 Hz		Amplitude 3: 0
Frequency 4: 3000 Hz		Amplitude 4: 0
Frequency 5: 4000 Hz		Amplitude 5: 0
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Waveform of average sum of the signals