Synthesis

Question 1

What is a synthesiser?

Answer 1

1. An electronic sound generating device
2. Capable of creating synthetic sounds
3. Can manipulate (change) synthetic sounds
4. Analogue or digital

Question 2

Types of synthesis

Answer 2

1. Subtractive
2. Additive
3. Monophonic
4. Polyphonic

Question 3

Name the different types of Filtering

Answer 3

1. LPF: all frequencies below the cut off point can pass through
2. HPF: all frequencies above the cut off point can pass through
3. Band Pass Filter: combination of LPF and HPF - all frequencies not affected by either pass through
4. Botch filter: used to cut specific frequencies - extreme band pass
5. Shelving filter: e.g. tone controls on hifis and guitar amps

Question 4

What does ADSR stand for?

Answer 4

Attack, Decay, Sustain, Release

Question 5

What does LFO stand for?

Answer 5

Low Frequency Oscillator

Question 6

What does VCF stand for?

Answer 6

Voltage Controlled Filter

Question 7

Name the basic waveforms

Answer 7

1. Sine
2. Triangle
3. Sawtooth
4. Square
5. Noise