DOEPFER A-126 Manuel - Page 6

Parcourez en ligne ou téléchargez le pdf Manuel pour {nom_de_la_catégorie} DOEPFER A-126. DOEPFER A-126 8 pages. Vc frequency shifter

A-126

VC Frequency Shifter

If you increase the LFO frequency into the audio range

(above about 20 Hz), other effects are produced.

Particularly if the LFO frequency is harmonically rela-

ted to the fundamental of the audio signal, this can be

a very pleasing effect.

One popular effect in the past was to frequency-shift

an octave band of sound, produced by band-pass

filtering the output from a noise module (see fig. 3).

A-118

VCF

fig. 3: frequency-shifting an octave band

System A - 100

VCFS

CV In

LFO

Interesting and unusual percussion sounds can be

produced with the patch in fig. 4.

In this patch, a percussive sound (e.g. kick drum,

snare) is fed into the frequency shifter. Using the shift

control, you can then alter the apparent size of the

instrument.

By deriving a trigger or gate signal from the drum, and

controlling the frequency shifting with a short enve-

lope, some effective and exciting percussion sounds

emerge.

Drum-

A-119

Signal

Audio

fig. 4: using the A-126 for new percussion sounds

doepfer

VCFS

ADSR

Gate

Out