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The sound bytes below are natural and raw to make a comparison. These waveforms are created with coil angles and antenna components I now wonder if even harmonics generate opposite odd harmonics separated by the Null Point? |
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This is the Ult2b
waveform displaying an sine wave with a harmonic seen
in the lower valley. What does it sound like? "nice" sine-odd.mp3 (137k) This waveform is very relaxed on the magnetic field. |
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This is the Ult2b
waveform displaying an even harmonic. What does it sound like? even.mp3 (123k) This waveform required stress between the two coil magnetic fields to create this even harmonic. The sharp peaks reveal the circuit tension and snapping of the oscillator cycles. |
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This is the Ult2b
waveform displaying an 8th fundamental even harmonic overtone
revealed on the rise and dampened on the fall. What does it sound like? 8th-fun.mp3 (201k) This waveform is a relaxed pitch. I was using Lev's antenna and at the moment I don't remember what I was doing. I go through so many test that I don't document everything or recognize uniqueness in the moment. |
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In my
transistor theremin designs I find a mix of even and odd
harmonics to sound more interesting. What does it sound like? even-odd.mp3 (136k) The odd shaped broader top of this wave gives it a more voice like sound. |
| Check out this freeware sound card oscilloscope for high resolution, precision wave shapes osc251.zip (89k) This is what I use to analyze wave shapes before I record a sound file. | |