EQ

Question 1

LPF

Answer 1

Low Pass Filter
- cuts out high end
- lets low end pass
- has changeable slope (Q)
- steep or shallow

Question 2

HPF

Answer 2

High Pass Filter
- cuts out low frequencies
- lets high frequencies through
- has changeable slope (Q)
- steep of shallow

Question 3

HSF

Answer 3

High Shelf Filter
- use to increase/decrease gain of high end
- can add air to cymbals or vocals
- used to add brightness or make things more dull

Question 4

LSF

Answer 4

Low Shelf Filter
- increase/decrease low end
- can be used to make bass thicker/thumpier

Question 5

BPF

Answer 5

Band Pass Filter
- increase/decrease certain frequencies
- used to mute harsh sounds that are unwanted
- used to boost frequencies that are wanted to model the sound of individual instruments - give them their own space

Question 6

Q

Answer 6

stands for quality
- affects the width of frequencies affected by any type of filter
- a high Q has steeper curves and effects a smaller range
- a low Q has shallower curves and effects a larger range

Question 7

Frequency

Answer 7

determines the centre frequency effected by a type of filter

Question 8

Gain

Answer 8

controls how much the frequencies selected are increased/decreased

• sometimes called attenuation

Question 9

what are the 3 types of EQ

Answer 9

• Parametric EQ
• Graphic EQ
• Shelving EQ

Question 10

Parametric EQ

Answer 10

All filter settings are changeable:
- frequency of each filter
- Q of each filter
- Gain of each filter
- which filters are used

Question 11

Graphic EQ

Answer 11

Uses all types of filters but at fixed frequencies

• Gain still changeable
• Q fixed
• Fixed frequencies - in octave increases (usually)

Question 12

Shelving EQ

Answer 12

Only uses high and low shelf filters

• Frequency changeable
• Gain changeable

Question 13

Cutoff frequency

Answer 13

The frequency where no sound is getting past a filter