DOEPFER A-155 Manuel - Page 9

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Trigger row 1 (steps 1, 2, 3 and 5 selected) picks out

the accented notes, by triggering an ADSR, which

controls the VCA.

Trigger row 2 determines the length of the se-

quence, by triggering the reset function.

example, step seven is switched to this row, which is

patched to the reset input, making the sequence six

notes long.

The gate row is used for controlling the glide func-

tion. In this example, step two is switched to this row,

so that portamento (at a rate set by the Glide control)

occurs between the voltages at step one and step two.

The lower analog CV row is controlling the VCF

cut-off frequency.

Trigger row 3 is available for any other control job you

choose. Variations on the patch in fig. 3 might include

controlling the VCF with either the same or a different

ADSR, or using the lower analog CV row to control the

decay time of a VC-ADSR (see also fig. 4).

Interesting effects can be obtained by patching exter-

nal control voltages (e.g. from an LFO or Random

CV) or audio signals (e.g. VCO or Noise) into the

lower analog CV row.

larly interesting, because of the effects of short bursts

of audio-range frequency modulation.

System A - 100

In this

The latter can sound particu-

Analog / Trigger Sequencer