Propellerhead Reason - 4.0 Instrukcja Operacji Pobierz pdf (Strona 144)

OPTIMIZING PERFORMANCE

142

Optimizing Songs

Below follows things you can check and change to make sure your song uses as little

computer processing power as possible:

Global

D Delete unused devices.

If a device isn’t actually doing anything, delete it from the rack.

D Use fewer devices.

For example, instead of using several reverbs as insert effects, replace them all

with one, set up as a send effect. By the same token, try to use one sampler play-

ing several different samples instead of numerous samplers playing one sample

each.

D Don’t use stereo unless it is required.

For example, if a sampler or Dr. Rex player is playing mono material, only connect

the Left output and leave the Right output unconnected.

Sample Players – NN19, NNXT, Dr. Rex and Redrum

D Only activate High Quality Interpolation when it is required.

Listen to the sound in a context and determine whether you think this setting

makes any difference. However, note that on a Macintosh G4, High Quality Inter-

polation does not require any more processing power.

D If you are playing back a sample at a much higher pitch than it was re-

corded at, consider sample rate converting the actual sample file to a

lower sample rate.

This will require an external sample editor with good sample rate conversion facili-

ties.

D Try to refrain from using stereo samples.

Filters – Subtractor, Thor, Malström, NN19, NNXT and

Dr. Rex

D Deactivate filters that are not used.

Observe that if the Cutoff is all the way up or the envelope is set to open the filter

fully, then the filter doesn’t affect the sound. Conserve processing power by dis-

abling the filter altogether.

D Where applicable, use the 12dB lowpass filter instead of the 24dB low-

pass filter.

See if you can get the same sonic result by using the 12dB filter, since it uses up

less processing power.

Polyphonic Devices – Subtractor, Thor, Malström,

NN19, NNXT, Dr. Rex and Redrum

D Try making the device play fewer voices.

This can be done for example by lowering the release and setting the Polyphony

setting to exactly the maximum number of notes played simultaneously by this de-

vice.

✪ Please note that just lowering the polyphony setting has no effect. Un-

used voices do not consume processing power.

D Where applicable, try the Low Bandwidth (Low BW) setting.

This will remove some high frequency content from the sound of this particular de-

vice, but often this is not noticeable (this is especially true for bass sounds).

Subtractor

D Try avoiding using Oscillator 2 altogether.

If you can create the sound you need with only one oscillator, this saves consider-

able amounts of processing power.

D Do not use the oscillator Phase mode if you don’t need it.

In other words, set the Oscillator Mode switches to “o”, not “

” or “–”.

D Do no activate Noise unless required.

D Do not activate Filter 2 unless required.

D Do not use FM unless required.

In other words, set the oscillator FM knob to “0” and make sure no modulation

source is routed to FM.

Thor

D In general, unload any filters or oscillators that aren’t used.

Malström

D If it isn’t necessary, refrain from using Osc B at all.

If you can produce the desired sound by using Osc A only, this will save a lot of

processing power.

D If one or both Oscillators are routed to one Filter only, and/or the Spread

parameter is set to “0”, only connect one of the outputs (the one to which

the filter is connected) to the mixer, and leave the other one uncon-

nected.

D Try to see if you can achieve the desired effect by using only one of the

filters, and without using the shaper.

Using both of the filters and the shaper in conjunction requires considerably more

processing power than using just one of the filters and/or the shaper.

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