Digi XPress Specifications download pdf (Page 114)

DigiRack Plug-ins Guide108

Audio Use the controls in the Audio section to

select the most appropriate time compression

and expansion algorithm (mode) for the type of

material you want to process, and to attenuate

the gain of the processed audio to avoid clip-

ping.

Time Use the controls in the Time section to

specify the amount of time compression or ex-

pansion you want to apply.

Formant or Transient Use the controls in the For-

mant or Transient section to adjust either the

amount of formant shift or the transient detec-

tion parameters depending upon which mode

you have selected in the Audio section. The For-

mant section is only available when Monopho-

nic is selected as the Audio Mode. The Transient

section is available with slightly different con-

trols depending on whether Polyphonic or

Rhythmic is selected as the Audio Mode.

Pitch Use the controls in the Pitch section to ap-

ply pitch shifting. Pitch shifting can also be for-

mant correct if you select the Monophonic au-

dio setting.

Audio

The Audio section of Time Shift provides con-

trols for specifying the type of audio you want

to process and gain attenuation of the processed

signal to avoid clipping.

Mode

The Audio Mode pop-up menu determines the

type of TCE and pitch shift algorithm for pro-

cessing audio: Monophonic, Polyphonic,

Rhythmic, or Varispeed.

Monophonic Use for processing monophonic

sounds (such as a vocal melody).

Polyphonic Use for processing complex sounds

(such as a multipart musical selection).

Rhythmic Use for processing percussive sounds

(such as a mix or drum loop).

Varispeed Use to link time and pitch change for

tape-like pitch and speed change effects, and

post-production workflows.

Range

The Audio Range pop-up menu determines the

frequency range for analysis: Low, Mid, High, or

Wide. For low-range material, such as a bass gui-

tar, select Low. For mid-range material, such as

male vocals, select Mid. The high range control

is for material with a high fundamental fre-

quency, such as female vocals. For more com-

plex material that covers a broad frequency

spectrum, select Wide.

In Polyphonic mode, Wide is the default setting

and is usually best for all material when using

the Polyphonic audio type.

In Monophonic mode, Mid is the default setting

and is usually matches the range of most mono-

phonic material.

Time Shift plug-in, Audio section

Rhythmic mode uses transient analysis for

time shifting. If you select audio with no ap-

parent transients, or set the Transient

Threshold control to a setting above any de-

tected transients, Time Shift assumes a “vir-

tual-transient” every three seconds to be

able to process the file. Consequently, the

file should be 20 bpm or higher (one beat ev-

ery three seconds) to achieve desirable re-

sults. For material that has no apparent

transients, use Monophonic or Polyphonic

mode.

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