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Basic Waveforms of Synthesizer: Sine Wave (1)

The Music Telegraph | Text 2019/04/16 [10:34]
MIDI

Basic Waveforms of Synthesizer: Sine Wave (1)

The Music Telegraph| 입력 : 2019/04/16 [10:34]

▲ In the traditional methods of synthesis such as subtractive or additive synthesis, waveform shape is indirectly controlled with various parameters

© Seth Kranzler

 



Basic Waveforms of Synthesizer: Sine Wave (1)

 

Sine Wave

- Pure sine waves have no other harmonics than the fundamental frequency

- "The source of all sounds comes from the sine wave" (Joseph Fourier)

- Sounds that can be made using sine waves in synthesizers are (a)Whistle, (b)Electric piano sound, and (c)Vintage lead tone

 

▲ Sine Wave and its harmonic spectrum

© The Music Telegraph

 



(a) Whistle 

- Make sure you have a EG (Envelope Generator) setting with some Attack and Release time

- Set up EG to modulate Pitch

- Whistle is difficult to maintain a constant level due to the nature of human breathing, so you adjust the EG to moderately attenuate the volume

- If you modulate the sound using LFO, the sound will be lively:

 

*LFO setting:

1) Choose a sine wave or triangle wave that moves slowly in both +/- (right/left) directions

2) If there are effects like Random or Noise, it will be much more effective, and it will be more natural modulation because it can make irregular changes to the sound.

3) The amount of modulation is approximately a 1/8 note 

 

 

▲ Pitch EG and Volume EG of a "Whistle" sound

© The Music Telegraph



 

*Whistle sounds >> 

 

 

 

 

 

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